./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:05:13,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:05:13,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:05:13,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:05:13,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:05:13,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:05:13,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:05:13,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:05:13,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:05:13,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:05:13,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:05:13,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:05:13,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:05:13,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:05:13,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:05:13,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:05:13,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:05:13,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:05:13,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:05:13,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:05:13,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:05:13,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:05:13,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:05:13,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:05:13,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:05:13,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:05:13,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:05:13,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:05:13,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:05:13,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:05:13,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:05:13,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:05:13,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:05:13,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:05:13,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:05:13,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:05:13,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:05:13,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:05:13,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:05:13,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:05:13,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:05:13,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2022-12-14 15:05:13,772 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:05:13,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:05:13,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:05:13,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:05:13,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:05:13,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:05:13,780 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:05:13,780 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:05:13,780 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:05:13,780 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:05:13,780 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:05:13,781 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:05:13,781 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:05:13,781 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:05:13,781 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:05:13,781 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:05:13,781 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:05:13,781 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:05:13,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 15:05:13,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 15:05:13,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:05:13,782 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:05:13,782 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:05:13,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:05:13,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:05:13,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:05:13,783 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 15:05:13,783 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 15:05:13,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:05:13,783 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:05:13,783 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:05:13,783 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:05:13,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:05:13,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:05:13,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:05:13,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:05:13,784 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:05:13,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:05:13,784 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:05:13,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:05:13,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:05:13,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 [2022-12-14 15:05:13,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:05:13,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:05:13,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:05:13,965 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:05:13,965 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:05:13,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-12-14 15:05:16,575 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:05:16,740 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:05:16,740 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-12-14 15:05:16,748 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/data/46db5e844/51066d938d8a479d9b8a45746978ffc2/FLAG5dc84da71 [2022-12-14 15:05:16,758 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/data/46db5e844/51066d938d8a479d9b8a45746978ffc2 [2022-12-14 15:05:16,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:05:16,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:05:16,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:05:16,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:05:16,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:05:16,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:05:16" (1/1) ... [2022-12-14 15:05:16,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5662b2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:16, skipping insertion in model container [2022-12-14 15:05:16,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:05:16" (1/1) ... [2022-12-14 15:05:16,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:05:16,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:05:16,968 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-12-14 15:05:16,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:05:16,977 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:05:17,006 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-12-14 15:05:17,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:05:17,022 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:05:17,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:17 WrapperNode [2022-12-14 15:05:17,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:05:17,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:05:17,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:05:17,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:05:17,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:17" (1/1) ... [2022-12-14 15:05:17,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:17" (1/1) ... [2022-12-14 15:05:17,052 INFO L138 Inliner]: procedures = 123, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2022-12-14 15:05:17,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:05:17,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:05:17,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:05:17,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:05:17,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:17" (1/1) ... [2022-12-14 15:05:17,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:17" (1/1) ... [2022-12-14 15:05:17,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:17" (1/1) ... [2022-12-14 15:05:17,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:17" (1/1) ... [2022-12-14 15:05:17,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:17" (1/1) ... [2022-12-14 15:05:17,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:17" (1/1) ... [2022-12-14 15:05:17,071 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:17" (1/1) ... [2022-12-14 15:05:17,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:17" (1/1) ... [2022-12-14 15:05:17,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:05:17,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:05:17,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:05:17,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:05:17,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:17" (1/1) ... [2022-12-14 15:05:17,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:05:17,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:05:17,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:05:17,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:05:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:05:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:05:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:05:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:05:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:05:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:05:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:05:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:05:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:05:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:05:17,208 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:05:17,210 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:05:17,457 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:05:17,498 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:05:17,498 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 15:05:17,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:05:17 BoogieIcfgContainer [2022-12-14 15:05:17,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:05:17,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:05:17,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:05:17,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:05:17,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:05:16" (1/3) ... [2022-12-14 15:05:17,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aef80a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:05:17, skipping insertion in model container [2022-12-14 15:05:17,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:17" (2/3) ... [2022-12-14 15:05:17,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aef80a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:05:17, skipping insertion in model container [2022-12-14 15:05:17,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:05:17" (3/3) ... [2022-12-14 15:05:17,506 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_nullified-1.i [2022-12-14 15:05:17,520 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:05:17,521 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-12-14 15:05:17,554 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:05:17,559 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4a3b02b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:05:17,559 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2022-12-14 15:05:17,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 36 states have (on average 2.3055555555555554) internal successors, (83), 71 states have internal predecessors, (83), 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) [2022-12-14 15:05:17,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 15:05:17,567 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:17,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 15:05:17,568 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:17,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:17,571 INFO L85 PathProgramCache]: Analyzing trace with hash 194799, now seen corresponding path program 1 times [2022-12-14 15:05:17,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:17,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431332414] [2022-12-14 15:05:17,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:17,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:17,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:05:17,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:17,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431332414] [2022-12-14 15:05:17,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431332414] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:05:17,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:05:17,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:05:17,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752336837] [2022-12-14 15:05:17,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:05:17,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:05:17,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:17,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:05:17,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:05:17,756 INFO L87 Difference]: Start difference. First operand has 72 states, 36 states have (on average 2.3055555555555554) internal successors, (83), 71 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:05:17,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:17,820 INFO L93 Difference]: Finished difference Result 95 states and 106 transitions. [2022-12-14 15:05:17,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:05:17,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-12-14 15:05:17,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:17,828 INFO L225 Difference]: With dead ends: 95 [2022-12-14 15:05:17,829 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 15:05:17,830 INFO L412 NwaCegarLoop]: 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 [2022-12-14 15:05:17,832 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 24 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:17,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 130 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:05:17,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 15:05:17,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 71. [2022-12-14 15:05:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 36 states have (on average 2.1944444444444446) internal successors, (79), 70 states have internal predecessors, (79), 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) [2022-12-14 15:05:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2022-12-14 15:05:17,863 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 3 [2022-12-14 15:05:17,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:17,863 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2022-12-14 15:05:17,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 15:05:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2022-12-14 15:05:17,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 15:05:17,864 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:17,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 15:05:17,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:05:17,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:17,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:17,865 INFO L85 PathProgramCache]: Analyzing trace with hash 5879945, now seen corresponding path program 1 times [2022-12-14 15:05:17,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:17,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183307251] [2022-12-14 15:05:17,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:17,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:17,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:05:17,920 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:17,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183307251] [2022-12-14 15:05:17,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183307251] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:05:17,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:05:17,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:05:17,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863588669] [2022-12-14 15:05:17,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:05:17,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:05:17,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:17,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:05:17,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:05:17,923 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2022-12-14 15:05:17,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:17,995 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2022-12-14 15:05:17,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:05:17,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 [2022-12-14 15:05:17,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:17,997 INFO L225 Difference]: With dead ends: 93 [2022-12-14 15:05:17,997 INFO L226 Difference]: Without dead ends: 93 [2022-12-14 15:05:17,997 INFO L412 NwaCegarLoop]: 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 [2022-12-14 15:05:17,999 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 69 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:17,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 52 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:05:18,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-12-14 15:05:18,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 66. [2022-12-14 15:05:18,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 36 states have (on average 2.0555555555555554) internal successors, (74), 65 states have internal predecessors, (74), 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) [2022-12-14 15:05:18,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 74 transitions. [2022-12-14 15:05:18,006 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 74 transitions. Word has length 4 [2022-12-14 15:05:18,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:18,006 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 74 transitions. [2022-12-14 15:05:18,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2022-12-14 15:05:18,007 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2022-12-14 15:05:18,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 15:05:18,007 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:18,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 15:05:18,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:05:18,007 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:18,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:18,008 INFO L85 PathProgramCache]: Analyzing trace with hash 5879946, now seen corresponding path program 1 times [2022-12-14 15:05:18,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:18,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792979538] [2022-12-14 15:05:18,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:18,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:05:18,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:18,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792979538] [2022-12-14 15:05:18,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792979538] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:05:18,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:05:18,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:05:18,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327485455] [2022-12-14 15:05:18,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:05:18,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:05:18,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:18,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:05:18,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:05:18,066 INFO L87 Difference]: Start difference. First operand 66 states and 74 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2022-12-14 15:05:18,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:18,108 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2022-12-14 15:05:18,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:05:18,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 [2022-12-14 15:05:18,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:18,108 INFO L225 Difference]: With dead ends: 61 [2022-12-14 15:05:18,109 INFO L226 Difference]: Without dead ends: 61 [2022-12-14 15:05:18,109 INFO L412 NwaCegarLoop]: 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 [2022-12-14 15:05:18,109 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:18,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 38 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:05:18,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-12-14 15:05:18,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-12-14 15:05:18,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 60 states have internal predecessors, (69), 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) [2022-12-14 15:05:18,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 69 transitions. [2022-12-14 15:05:18,113 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 69 transitions. Word has length 4 [2022-12-14 15:05:18,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:18,113 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 69 transitions. [2022-12-14 15:05:18,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2022-12-14 15:05:18,113 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2022-12-14 15:05:18,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 15:05:18,113 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:18,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:05:18,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 15:05:18,114 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:18,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:18,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1562642246, now seen corresponding path program 1 times [2022-12-14 15:05:18,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:18,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253323564] [2022-12-14 15:05:18,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:18,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:18,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:05:18,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:18,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253323564] [2022-12-14 15:05:18,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253323564] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:05:18,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:05:18,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:05:18,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142270555] [2022-12-14 15:05:18,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:05:18,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:05:18,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:18,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:05:18,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:05:18,178 INFO L87 Difference]: Start difference. First operand 61 states and 69 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) [2022-12-14 15:05:18,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:18,212 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2022-12-14 15:05:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:05:18,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) Word has length 10 [2022-12-14 15:05:18,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:18,213 INFO L225 Difference]: With dead ends: 69 [2022-12-14 15:05:18,213 INFO L226 Difference]: Without dead ends: 69 [2022-12-14 15:05:18,213 INFO L412 NwaCegarLoop]: 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 [2022-12-14 15:05:18,214 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:18,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 101 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:05:18,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-14 15:05:18,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-12-14 15:05:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.7674418604651163) internal successors, (76), 67 states have internal predecessors, (76), 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) [2022-12-14 15:05:18,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2022-12-14 15:05:18,220 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 10 [2022-12-14 15:05:18,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:18,220 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2022-12-14 15:05:18,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) [2022-12-14 15:05:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2022-12-14 15:05:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 15:05:18,221 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:18,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:05:18,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 15:05:18,221 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:18,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:18,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1539195952, now seen corresponding path program 1 times [2022-12-14 15:05:18,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:18,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145479006] [2022-12-14 15:05:18,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:18,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:05:18,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:18,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145479006] [2022-12-14 15:05:18,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145479006] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:05:18,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169779097] [2022-12-14 15:05:18,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:18,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:05:18,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:05:18,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:05:18,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:05:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:18,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:05:18,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:05:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:05:18,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:05:18,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:05:18,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169779097] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:05:18,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1777848559] [2022-12-14 15:05:18,496 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-12-14 15:05:18,496 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:05:18,501 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:05:18,506 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:05:18,507 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:05:18,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 15:05:18,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:18,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,614 INFO L350 Elim1Store]: Elim1 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 26 treesize of output 28 [2022-12-14 15:05:18,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:18,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 15:05:18,660 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:18,669 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:18,686 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:18,693 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:18,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-12-14 15:05:18,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:18,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:18,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:18,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:18,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:18,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:18,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 15:05:18,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:18,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 63 [2022-12-14 15:05:19,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 15:05:19,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 15:05:19,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,113 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-12-14 15:05:19,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 299 treesize of output 301 [2022-12-14 15:05:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,138 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:19,139 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 305 treesize of output 292 [2022-12-14 15:05:19,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,156 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:19,156 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 305 treesize of output 292 [2022-12-14 15:05:19,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,252 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:19,252 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 305 treesize of output 292 [2022-12-14 15:05:19,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,271 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:19,272 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 305 treesize of output 292 [2022-12-14 15:05:19,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,304 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-12-14 15:05:19,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 313 treesize of output 318 [2022-12-14 15:05:19,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,416 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:19,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 328 treesize of output 321 [2022-12-14 15:05:19,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,457 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 15:05:19,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 299 treesize of output 301 [2022-12-14 15:05:19,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,485 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 15:05:19,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 299 treesize of output 301 [2022-12-14 15:05:19,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,603 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:19,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 328 treesize of output 321 [2022-12-14 15:05:19,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,642 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 15:05:19,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 308 treesize of output 313 [2022-12-14 15:05:19,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,672 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 15:05:19,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 308 treesize of output 313 [2022-12-14 15:05:19,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 15:05:19,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 15:05:19,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 69 [2022-12-14 15:05:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 15:05:19,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:19,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,974 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-12-14 15:05:19,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 299 treesize of output 301 [2022-12-14 15:05:19,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:19,997 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:19,997 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 305 treesize of output 292 [2022-12-14 15:05:20,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,014 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:20,014 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 305 treesize of output 292 [2022-12-14 15:05:20,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,110 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-12-14 15:05:20,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 313 treesize of output 318 [2022-12-14 15:05:20,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,133 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:20,133 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 305 treesize of output 292 [2022-12-14 15:05:20,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,148 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:20,149 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 305 treesize of output 292 [2022-12-14 15:05:20,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,242 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:20,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 328 treesize of output 321 [2022-12-14 15:05:20,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,270 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 15:05:20,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 299 treesize of output 301 [2022-12-14 15:05:20,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,293 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 15:05:20,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 299 treesize of output 301 [2022-12-14 15:05:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,373 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:20,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 328 treesize of output 321 [2022-12-14 15:05:20,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,403 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 15:05:20,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 308 treesize of output 313 [2022-12-14 15:05:20,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:20,429 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 15:05:20,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 308 treesize of output 313 [2022-12-14 15:05:20,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:20,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 15:05:20,583 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:05:23,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1777848559] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:05:23,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:05:23,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [3, 3, 3] total 14 [2022-12-14 15:05:23,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229866015] [2022-12-14 15:05:23,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:05:23,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 15:05:23,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:23,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 15:05:23,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-12-14 15:05:23,393 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 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) [2022-12-14 15:05:23,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:23,999 INFO L93 Difference]: Finished difference Result 80 states and 89 transitions. [2022-12-14 15:05:24,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 15:05:24,000 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 15:05:24,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:24,000 INFO L225 Difference]: With dead ends: 80 [2022-12-14 15:05:24,000 INFO L226 Difference]: Without dead ends: 80 [2022-12-14 15:05:24,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-12-14 15:05:24,001 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 6 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:24,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 144 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 15:05:24,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-12-14 15:05:24,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2022-12-14 15:05:24,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.6538461538461537) internal successors, (86), 76 states have internal predecessors, (86), 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) [2022-12-14 15:05:24,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2022-12-14 15:05:24,004 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 12 [2022-12-14 15:05:24,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:24,004 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2022-12-14 15:05:24,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 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) [2022-12-14 15:05:24,004 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2022-12-14 15:05:24,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 15:05:24,005 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:24,005 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-14 15:05:24,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:05:24,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:05:24,207 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:24,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:24,208 INFO L85 PathProgramCache]: Analyzing trace with hash 135230789, now seen corresponding path program 1 times [2022-12-14 15:05:24,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:24,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542413381] [2022-12-14 15:05:24,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:24,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:05:24,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:24,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542413381] [2022-12-14 15:05:24,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542413381] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:05:24,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416978265] [2022-12-14 15:05:24,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:24,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:05:24,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:05:24,363 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:05:24,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 15:05:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:24,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 15:05:24,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:05:24,434 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:24,456 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 15:05:24,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 15:05:24,466 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:05:24,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:05:24,536 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:05:24,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416978265] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:05:24,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1033083276] [2022-12-14 15:05:24,538 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-12-14 15:05:24,539 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:05:24,539 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:05:24,539 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:05:24,539 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:05:24,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 15:05:24,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,572 INFO L350 Elim1Store]: Elim1 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 26 treesize of output 28 [2022-12-14 15:05:24,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:24,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:24,599 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:24,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 15:05:24,624 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:24,635 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:24,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-12-14 15:05:24,656 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:24,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:24,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:24,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:24,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:24,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:24,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:24,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 15:05:24,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 15:05:24,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 15:05:24,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 67 [2022-12-14 15:05:24,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,910 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:24,910 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 317 treesize of output 304 [2022-12-14 15:05:24,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:24,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:24,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,948 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-12-14 15:05:24,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 311 treesize of output 313 [2022-12-14 15:05:24,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:24,967 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:24,967 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 317 treesize of output 304 [2022-12-14 15:05:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,044 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-12-14 15:05:25,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 325 treesize of output 330 [2022-12-14 15:05:25,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,064 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:25,064 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 317 treesize of output 304 [2022-12-14 15:05:25,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,079 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:25,079 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 317 treesize of output 304 [2022-12-14 15:05:25,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,175 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:25,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 311 treesize of output 313 [2022-12-14 15:05:25,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,209 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:25,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-12-14 15:05:25,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,237 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:25,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 311 treesize of output 313 [2022-12-14 15:05:25,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,319 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 15:05:25,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 320 treesize of output 325 [2022-12-14 15:05:25,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,356 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:25,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-12-14 15:05:25,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,384 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 15:05:25,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 320 treesize of output 325 [2022-12-14 15:05:25,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 15:05:25,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 15:05:25,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 63 [2022-12-14 15:05:25,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-12-14 15:05:25,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,625 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-12-14 15:05:25,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 311 treesize of output 313 [2022-12-14 15:05:25,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,652 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:25,652 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 317 treesize of output 304 [2022-12-14 15:05:25,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,665 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:25,665 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 317 treesize of output 304 [2022-12-14 15:05:25,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,737 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-12-14 15:05:25,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 325 treesize of output 330 [2022-12-14 15:05:25,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,754 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:25,754 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 317 treesize of output 304 [2022-12-14 15:05:25,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,766 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:25,767 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 317 treesize of output 304 [2022-12-14 15:05:25,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,843 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:25,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 311 treesize of output 313 [2022-12-14 15:05:25,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,881 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:25,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-12-14 15:05:25,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,913 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:25,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 311 treesize of output 313 [2022-12-14 15:05:25,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:25,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:25,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:26,000 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:26,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-12-14 15:05:26,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:26,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:26,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:26,037 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 15:05:26,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 320 treesize of output 325 [2022-12-14 15:05:26,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:26,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:26,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:26,065 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 15:05:26,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 320 treesize of output 325 [2022-12-14 15:05:26,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:26,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:26,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:26,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:26,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:26,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 15:05:26,303 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:05:29,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1033083276] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:05:29,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:05:29,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 3, 4] total 15 [2022-12-14 15:05:29,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815062753] [2022-12-14 15:05:29,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:05:29,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 15:05:29,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:29,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 15:05:29,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2022-12-14 15:05:29,572 INFO L87 Difference]: Start difference. First operand 77 states and 86 transitions. Second operand has 11 states, 10 states have (on average 1.2) 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) [2022-12-14 15:05:30,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:30,454 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2022-12-14 15:05:30,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 15:05:30,455 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) 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) Word has length 19 [2022-12-14 15:05:30,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:30,455 INFO L225 Difference]: With dead ends: 78 [2022-12-14 15:05:30,456 INFO L226 Difference]: Without dead ends: 78 [2022-12-14 15:05:30,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2022-12-14 15:05:30,456 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:30,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 15:05:30,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-12-14 15:05:30,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-12-14 15:05:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 53 states have (on average 1.6415094339622642) internal successors, (87), 77 states have internal predecessors, (87), 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) [2022-12-14 15:05:30,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2022-12-14 15:05:30,459 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 19 [2022-12-14 15:05:30,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:30,459 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2022-12-14 15:05:30,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) 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) [2022-12-14 15:05:30,460 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2022-12-14 15:05:30,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 15:05:30,460 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:30,460 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 15:05:30,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 15:05:30,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 15:05:30,662 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:30,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:30,663 INFO L85 PathProgramCache]: Analyzing trace with hash -18869613, now seen corresponding path program 1 times [2022-12-14 15:05:30,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:30,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281538487] [2022-12-14 15:05:30,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:30,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 15:05:30,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:30,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281538487] [2022-12-14 15:05:30,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281538487] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:05:30,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:05:30,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:05:30,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900954282] [2022-12-14 15:05:30,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:05:30,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:05:30,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:30,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:05:30,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:05:30,778 INFO L87 Difference]: Start difference. First operand 78 states and 87 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 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) [2022-12-14 15:05:30,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:30,881 INFO L93 Difference]: Finished difference Result 94 states and 105 transitions. [2022-12-14 15:05:30,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:05:30,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 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) Word has length 22 [2022-12-14 15:05:30,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:30,882 INFO L225 Difference]: With dead ends: 94 [2022-12-14 15:05:30,882 INFO L226 Difference]: Without dead ends: 94 [2022-12-14 15:05:30,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:05:30,883 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 165 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:30,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 47 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:05:30,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-12-14 15:05:30,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 72. [2022-12-14 15:05:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.5) internal successors, (84), 71 states have internal predecessors, (84), 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) [2022-12-14 15:05:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2022-12-14 15:05:30,888 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 22 [2022-12-14 15:05:30,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:30,888 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2022-12-14 15:05:30,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 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) [2022-12-14 15:05:30,888 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2022-12-14 15:05:30,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 15:05:30,889 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:30,889 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 15:05:30,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 15:05:30,889 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:30,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:30,890 INFO L85 PathProgramCache]: Analyzing trace with hash -18869612, now seen corresponding path program 1 times [2022-12-14 15:05:30,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:30,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34783928] [2022-12-14 15:05:30,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:30,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:30,966 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:05:30,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:30,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34783928] [2022-12-14 15:05:30,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34783928] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:05:30,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231301126] [2022-12-14 15:05:30,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:30,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:05:30,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:05:30,967 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:05:30,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 15:05:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:31,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 15:05:31,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:05:31,077 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:05:31,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:05:31,099 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 15:05:31,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231301126] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:05:31,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [67468840] [2022-12-14 15:05:31,101 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2022-12-14 15:05:31,101 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:05:31,101 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:05:31,102 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:05:31,102 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:05:31,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 15:05:31,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:31,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,138 INFO L350 Elim1Store]: Elim1 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 26 treesize of output 28 [2022-12-14 15:05:31,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:31,157 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:31,162 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:31,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 15:05:31,182 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:31,187 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:31,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-12-14 15:05:31,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:31,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:31,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:31,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:31,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:31,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:31,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 15:05:31,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,403 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 15:05:31,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 307 treesize of output 310 [2022-12-14 15:05:31,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,419 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:31,419 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 311 treesize of output 302 [2022-12-14 15:05:31,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,433 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:31,433 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 311 treesize of output 302 [2022-12-14 15:05:31,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,503 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-12-14 15:05:31,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 316 treesize of output 322 [2022-12-14 15:05:31,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,519 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:31,519 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 315 treesize of output 302 [2022-12-14 15:05:31,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,532 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:31,532 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 315 treesize of output 302 [2022-12-14 15:05:31,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,611 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-12-14 15:05:31,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 330 treesize of output 339 [2022-12-14 15:05:31,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,628 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:31,628 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 315 treesize of output 302 [2022-12-14 15:05:31,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,639 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:31,640 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 315 treesize of output 302 [2022-12-14 15:05:31,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,705 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:31,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 342 [2022-12-14 15:05:31,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,731 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:31,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 309 treesize of output 311 [2022-12-14 15:05:31,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,753 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:31,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 309 treesize of output 311 [2022-12-14 15:05:31,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,830 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 15:05:31,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 318 treesize of output 323 [2022-12-14 15:05:31,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,860 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:31,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 342 [2022-12-14 15:05:31,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:31,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:31,889 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 15:05:31,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 318 treesize of output 323 [2022-12-14 15:05:32,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:32,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:32,024 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 15:05:32,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 327 treesize of output 326 [2022-12-14 15:05:32,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:32,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:32,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:32,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:32,067 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:32,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 339 treesize of output 336 [2022-12-14 15:05:32,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:32,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:32,094 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 15:05:32,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 321 treesize of output 320 [2022-12-14 15:05:32,333 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 15:05:32,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 628 treesize of output 621 [2022-12-14 15:05:32,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:32,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:32,507 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:32,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,515 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:32,519 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:32,524 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:32,531 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:32,534 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:32,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,540 INFO L350 Elim1Store]: Elim1 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 35 treesize of output 37 [2022-12-14 15:05:32,550 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:32,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:32,564 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:32,572 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:32,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:32,587 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:32,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:32,608 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:32,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 15:05:32,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:32,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:32,636 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 15:05:32,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 15:05:32,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-12-14 15:05:32,659 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:32,667 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:32,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:32,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:32,681 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:32,685 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:32,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,690 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:32,698 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:32,701 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:32,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,711 INFO L350 Elim1Store]: Elim1 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 35 treesize of output 37 [2022-12-14 15:05:32,720 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:32,724 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:32,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:32,740 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:32,744 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:32,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:32,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:32,778 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 15:05:32,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 15:05:32,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:32,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:32,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:32,803 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:32,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 15:05:32,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-12-14 15:05:32,845 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:32,850 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:05:33,586 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1499#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|))) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (not (< 0 |ULTIMATE.start_dll_create_~len#1|)) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 15:05:33,586 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:05:33,586 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:05:33,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-12-14 15:05:33,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42013268] [2022-12-14 15:05:33,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:05:33,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 15:05:33,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:33,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 15:05:33,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-12-14 15:05:33,588 INFO L87 Difference]: Start difference. First operand 72 states and 84 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-12-14 15:05:33,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:33,642 INFO L93 Difference]: Finished difference Result 128 states and 145 transitions. [2022-12-14 15:05:33,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:05:33,642 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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 22 [2022-12-14 15:05:33,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:33,643 INFO L225 Difference]: With dead ends: 128 [2022-12-14 15:05:33,643 INFO L226 Difference]: Without dead ends: 128 [2022-12-14 15:05:33,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-12-14 15:05:33,644 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 17 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:33,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 263 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:05:33,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-12-14 15:05:33,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2022-12-14 15:05:33,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 108 states have (on average 1.3240740740740742) internal successors, (143), 123 states have internal predecessors, (143), 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) [2022-12-14 15:05:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2022-12-14 15:05:33,649 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 22 [2022-12-14 15:05:33,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:33,649 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2022-12-14 15:05:33,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-12-14 15:05:33,650 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2022-12-14 15:05:33,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 15:05:33,650 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:33,650 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2022-12-14 15:05:33,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 15:05:33,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:05:33,851 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:33,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:33,852 INFO L85 PathProgramCache]: Analyzing trace with hash -448164573, now seen corresponding path program 1 times [2022-12-14 15:05:33,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:33,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22525944] [2022-12-14 15:05:33,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:33,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:34,061 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 15:05:34,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:34,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22525944] [2022-12-14 15:05:34,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22525944] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:05:34,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050031352] [2022-12-14 15:05:34,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:34,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:05:34,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:05:34,063 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:05:34,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 15:05:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:34,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 15:05:34,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:05:34,171 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:34,175 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:34,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-12-14 15:05:34,237 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 15:05:34,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 15:05:34,263 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 15:05:34,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:05:34,456 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 15:05:34,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050031352] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:05:34,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1832066715] [2022-12-14 15:05:34,458 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-12-14 15:05:34,458 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:05:34,458 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:05:34,458 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:05:34,458 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:05:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 15:05:34,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:34,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,498 INFO L350 Elim1Store]: Elim1 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 26 treesize of output 28 [2022-12-14 15:05:34,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:34,521 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:34,526 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:34,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 15:05:34,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-12-14 15:05:34,565 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:34,573 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:34,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:34,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:34,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:34,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:34,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:34,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:34,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 15:05:34,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 15:05:34,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2022-12-14 15:05:34,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 67 [2022-12-14 15:05:34,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:34,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:34,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:34,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,820 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-12-14 15:05:34,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 311 treesize of output 313 [2022-12-14 15:05:34,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,836 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:34,836 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 317 treesize of output 304 [2022-12-14 15:05:34,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,848 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:34,848 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 317 treesize of output 304 [2022-12-14 15:05:34,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:34,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:34,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:34,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:34,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,918 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-12-14 15:05:34,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 325 treesize of output 330 [2022-12-14 15:05:34,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,940 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:34,941 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 317 treesize of output 304 [2022-12-14 15:05:34,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:34,952 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:34,952 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 317 treesize of output 304 [2022-12-14 15:05:35,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,022 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:35,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-12-14 15:05:35,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,046 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:35,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 311 treesize of output 313 [2022-12-14 15:05:35,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,065 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:35,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 311 treesize of output 313 [2022-12-14 15:05:35,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,148 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:35,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-12-14 15:05:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,180 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 15:05:35,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 320 treesize of output 325 [2022-12-14 15:05:35,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,204 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 15:05:35,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 320 treesize of output 325 [2022-12-14 15:05:35,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:35,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,323 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:35,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 333 [2022-12-14 15:05:35,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,359 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 15:05:35,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 329 treesize of output 328 [2022-12-14 15:05:35,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:35,388 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 15:05:35,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 323 treesize of output 322 [2022-12-14 15:05:35,653 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 15:05:35,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 580 treesize of output 581 [2022-12-14 15:05:35,868 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-12-14 15:05:35,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 622 treesize of output 508 [2022-12-14 15:05:35,967 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-12-14 15:05:35,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 618 treesize of output 614 [2022-12-14 15:05:36,003 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-12-14 15:05:36,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 622 treesize of output 607 [2022-12-14 15:05:36,065 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:36,068 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:36,071 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:36,076 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:36,078 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:36,082 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 27 [2022-12-14 15:05:36,089 INFO L350 Elim1Store]: Elim1 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 43 treesize of output 30 [2022-12-14 15:05:36,093 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:36,096 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:36,102 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:36,106 INFO L350 Elim1Store]: Elim1 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 43 treesize of output 30 [2022-12-14 15:05:36,114 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:36,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:36,143 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 15:05:36,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 15:05:36,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:36,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2022-12-14 15:05:36,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:36,170 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:36,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 15:05:36,199 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:36,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-12-14 15:05:36,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:36,215 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 7 [2022-12-14 15:05:36,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:36,228 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:36,232 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:36,237 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:36,246 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 27 [2022-12-14 15:05:36,251 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:36,256 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:36,265 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:36,270 INFO L350 Elim1Store]: Elim1 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 43 treesize of output 30 [2022-12-14 15:05:36,276 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:36,285 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:36,291 INFO L350 Elim1Store]: Elim1 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 43 treesize of output 30 [2022-12-14 15:05:36,297 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:36,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:36,328 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 15:05:36,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 15:05:36,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:36,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:36,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2022-12-14 15:05:36,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:36,358 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:36,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 15:05:36,397 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:36,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-12-14 15:05:36,412 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:05:37,053 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1940#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< (select |#length| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 16)) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (<= |ULTIMATE.start_dll_create_~len#1| 5) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 12)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 8)) 0) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~len~0#1| 5) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 12)) 0) (= |#NULL.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (exists ((|v_ULTIMATE.start_dll_create_#t~nondet4#1_26| Int)) (and (= (ite (= |v_ULTIMATE.start_dll_create_#t~nondet4#1_26| |ULTIMATE.start_dll_create_~len#1|) 1 0) (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 16 |ULTIMATE.start_dll_create_~new_head~0#1.offset|))) (<= |v_ULTIMATE.start_dll_create_#t~nondet4#1_26| 2147483647) (<= 0 (+ |v_ULTIMATE.start_dll_create_#t~nondet4#1_26| 2147483648)))) (<= (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 20) (select |#length| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~head~0#1.offset|))' at error location [2022-12-14 15:05:37,053 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:05:37,053 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:05:37,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2022-12-14 15:05:37,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856105415] [2022-12-14 15:05:37,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:05:37,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 15:05:37,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:37,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 15:05:37,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2022-12-14 15:05:37,055 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 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) [2022-12-14 15:05:37,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:37,178 INFO L93 Difference]: Finished difference Result 143 states and 160 transitions. [2022-12-14 15:05:37,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:05:37,179 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 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 29 [2022-12-14 15:05:37,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:37,180 INFO L225 Difference]: With dead ends: 143 [2022-12-14 15:05:37,180 INFO L226 Difference]: Without dead ends: 143 [2022-12-14 15:05:37,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2022-12-14 15:05:37,180 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 269 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:37,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 77 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:05:37,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-12-14 15:05:37,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 120. [2022-12-14 15:05:37,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 105 states have (on average 1.3047619047619048) internal successors, (137), 119 states have internal predecessors, (137), 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) [2022-12-14 15:05:37,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 137 transitions. [2022-12-14 15:05:37,183 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 137 transitions. Word has length 29 [2022-12-14 15:05:37,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:37,183 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 137 transitions. [2022-12-14 15:05:37,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 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) [2022-12-14 15:05:37,184 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2022-12-14 15:05:37,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 15:05:37,184 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:37,184 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1] [2022-12-14 15:05:37,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 15:05:37,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:05:37,386 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:37,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:37,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1036004723, now seen corresponding path program 2 times [2022-12-14 15:05:37,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:37,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840974114] [2022-12-14 15:05:37,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:37,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 15:05:37,505 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:37,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840974114] [2022-12-14 15:05:37,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840974114] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:05:37,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335175594] [2022-12-14 15:05:37,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 15:05:37,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:05:37,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:05:37,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:05:37,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 15:05:37,608 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 15:05:37,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 15:05:37,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 15:05:37,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:05:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 15:05:37,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:05:37,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335175594] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:05:37,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:05:37,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2022-12-14 15:05:37,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989089919] [2022-12-14 15:05:37,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:05:37,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:05:37,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:37,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:05:37,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:05:37,648 INFO L87 Difference]: Start difference. First operand 120 states and 137 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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) [2022-12-14 15:05:37,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:37,733 INFO L93 Difference]: Finished difference Result 147 states and 169 transitions. [2022-12-14 15:05:37,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:05:37,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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 49 [2022-12-14 15:05:37,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:37,734 INFO L225 Difference]: With dead ends: 147 [2022-12-14 15:05:37,734 INFO L226 Difference]: Without dead ends: 147 [2022-12-14 15:05:37,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-14 15:05:37,735 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 282 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:37,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 43 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:05:37,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-12-14 15:05:37,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137. [2022-12-14 15:05:37,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 122 states have (on average 1.3114754098360655) internal successors, (160), 136 states have internal predecessors, (160), 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) [2022-12-14 15:05:37,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2022-12-14 15:05:37,738 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 49 [2022-12-14 15:05:37,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:37,738 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2022-12-14 15:05:37,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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) [2022-12-14 15:05:37,739 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2022-12-14 15:05:37,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 15:05:37,739 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:37,739 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:05:37,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 15:05:37,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 15:05:37,941 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:37,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:37,942 INFO L85 PathProgramCache]: Analyzing trace with hash 18290846, now seen corresponding path program 1 times [2022-12-14 15:05:37,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:37,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448996093] [2022-12-14 15:05:37,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:37,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:38,055 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 15:05:38,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:38,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448996093] [2022-12-14 15:05:38,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448996093] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:05:38,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743573040] [2022-12-14 15:05:38,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:38,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:05:38,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:05:38,056 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:05:38,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 15:05:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:38,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 15:05:38,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:05:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 15:05:38,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:05:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 15:05:38,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743573040] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:05:38,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1097762958] [2022-12-14 15:05:38,254 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-12-14 15:05:38,254 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:05:38,254 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:05:38,254 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:05:38,254 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:05:38,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 15:05:38,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:38,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,291 INFO L350 Elim1Store]: Elim1 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 26 treesize of output 28 [2022-12-14 15:05:38,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:38,315 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:38,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 15:05:38,332 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:38,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-12-14 15:05:38,358 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:38,363 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:38,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:38,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:38,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:38,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:38,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:38,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 15:05:38,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,546 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:38,546 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 306 treesize of output 297 [2022-12-14 15:05:38,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,579 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 15:05:38,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 302 treesize of output 305 [2022-12-14 15:05:38,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,594 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:38,594 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 306 treesize of output 297 [2022-12-14 15:05:38,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,653 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:38,653 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 310 treesize of output 297 [2022-12-14 15:05:38,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,678 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-12-14 15:05:38,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 311 treesize of output 317 [2022-12-14 15:05:38,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,693 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:38,693 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 310 treesize of output 297 [2022-12-14 15:05:38,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,764 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-12-14 15:05:38,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 325 treesize of output 334 [2022-12-14 15:05:38,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,782 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:38,782 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 310 treesize of output 297 [2022-12-14 15:05:38,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,797 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:38,797 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 310 treesize of output 297 [2022-12-14 15:05:38,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,860 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:38,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 337 [2022-12-14 15:05:38,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,885 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:38,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 304 treesize of output 306 [2022-12-14 15:05:38,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,907 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:38,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 304 treesize of output 306 [2022-12-14 15:05:38,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:38,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:38,987 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 15:05:38,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 313 treesize of output 318 [2022-12-14 15:05:39,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,018 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:39,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 340 treesize of output 337 [2022-12-14 15:05:39,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,042 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 15:05:39,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 313 treesize of output 318 [2022-12-14 15:05:39,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,166 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 15:05:39,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 322 treesize of output 321 [2022-12-14 15:05:39,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,200 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:39,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 334 treesize of output 331 [2022-12-14 15:05:39,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,223 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 15:05:39,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 316 treesize of output 315 [2022-12-14 15:05:39,460 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 15:05:39,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 580 treesize of output 581 [2022-12-14 15:05:39,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:39,631 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:39,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,640 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:39,644 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:39,648 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:39,654 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:39,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,659 INFO L350 Elim1Store]: Elim1 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 35 treesize of output 37 [2022-12-14 15:05:39,664 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:39,669 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:39,672 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:39,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:39,686 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:39,690 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:39,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:39,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,730 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:39,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 15:05:39,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,745 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 15:05:39,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 15:05:39,771 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:39,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-12-14 15:05:39,781 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:39,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:39,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:39,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,792 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:39,796 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:39,799 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:39,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,807 INFO L350 Elim1Store]: Elim1 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 35 treesize of output 37 [2022-12-14 15:05:39,812 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:39,815 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:39,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:39,830 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:39,833 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:39,840 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:39,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:39,851 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:39,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,876 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:39,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 15:05:39,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:39,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:39,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:39,902 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 15:05:39,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 15:05:39,959 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:39,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-12-14 15:05:39,967 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:05:40,949 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2970#(and (not (= |ULTIMATE.start_main_old_#valid#1| |#valid|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (= |ULTIMATE.start_main_~len~0#1| 5) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |#NULL.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~1#1.base| 0) (= |ULTIMATE.start_main_#res#1| 0) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-12-14 15:05:40,949 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:05:40,950 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:05:40,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-12-14 15:05:40,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038745169] [2022-12-14 15:05:40,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:05:40,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:05:40,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:40,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:05:40,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-12-14 15:05:40,951 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-12-14 15:05:40,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:40,984 INFO L93 Difference]: Finished difference Result 110 states and 126 transitions. [2022-12-14 15:05:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:05:40,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 52 [2022-12-14 15:05:40,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:40,985 INFO L225 Difference]: With dead ends: 110 [2022-12-14 15:05:40,985 INFO L226 Difference]: Without dead ends: 110 [2022-12-14 15:05:40,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-12-14 15:05:40,986 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 96 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:40,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 40 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:05:40,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-12-14 15:05:40,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-12-14 15:05:40,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 109 states have internal predecessors, (126), 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) [2022-12-14 15:05:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2022-12-14 15:05:40,989 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 52 [2022-12-14 15:05:40,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:40,989 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2022-12-14 15:05:40,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2022-12-14 15:05:40,989 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2022-12-14 15:05:40,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 15:05:40,990 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:40,990 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:05:40,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 15:05:41,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-14 15:05:41,192 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:41,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:41,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1013420238, now seen corresponding path program 2 times [2022-12-14 15:05:41,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:41,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785759398] [2022-12-14 15:05:41,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:41,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-12-14 15:05:41,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:41,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785759398] [2022-12-14 15:05:41,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785759398] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:05:41,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:05:41,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:05:41,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520450331] [2022-12-14 15:05:41,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:05:41,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:05:41,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:41,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:05:41,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:05:41,381 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2022-12-14 15:05:41,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:41,449 INFO L93 Difference]: Finished difference Result 118 states and 133 transitions. [2022-12-14 15:05:41,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:05:41,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 55 [2022-12-14 15:05:41,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:41,450 INFO L225 Difference]: With dead ends: 118 [2022-12-14 15:05:41,450 INFO L226 Difference]: Without dead ends: 118 [2022-12-14 15:05:41,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:05:41,451 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 195 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:41,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 58 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:05:41,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-12-14 15:05:41,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 110. [2022-12-14 15:05:41,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 95 states have (on average 1.3157894736842106) internal successors, (125), 109 states have internal predecessors, (125), 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) [2022-12-14 15:05:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2022-12-14 15:05:41,454 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 55 [2022-12-14 15:05:41,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:41,455 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2022-12-14 15:05:41,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2022-12-14 15:05:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2022-12-14 15:05:41,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 15:05:41,456 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:41,456 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:05:41,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 15:05:41,456 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:41,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:41,456 INFO L85 PathProgramCache]: Analyzing trace with hash -126966776, now seen corresponding path program 1 times [2022-12-14 15:05:41,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:41,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704375784] [2022-12-14 15:05:41,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:41,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:41,982 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 15:05:41,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:41,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704375784] [2022-12-14 15:05:41,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704375784] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:05:41,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487999694] [2022-12-14 15:05:41,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:41,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:05:41,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:05:41,984 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:05:41,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 15:05:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:42,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-14 15:05:42,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:05:42,165 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:42,182 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 15:05:42,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 15:05:42,199 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 7 [2022-12-14 15:05:42,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 20 [2022-12-14 15:05:42,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 15:05:42,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 15:05:42,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 15:05:42,282 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 23 [2022-12-14 15:05:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 15:05:42,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:05:42,386 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1876 (Array Int Int)) (v_ArrVal_1875 Int)) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_1875)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_1876) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0)) is different from false [2022-12-14 15:05:42,439 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 9 refuted. 0 times theorem prover too weak. 31 trivial. 1 not checked. [2022-12-14 15:05:42,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487999694] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:05:42,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1303702064] [2022-12-14 15:05:42,441 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-12-14 15:05:42,441 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:05:42,442 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:05:42,442 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:05:42,442 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:05:42,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 15:05:42,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:42,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:42,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,486 INFO L350 Elim1Store]: Elim1 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 26 treesize of output 28 [2022-12-14 15:05:42,502 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:42,508 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:42,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 15:05:42,530 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:42,535 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-12-14 15:05:42,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:42,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:42,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:42,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:42,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:42,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:42,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 15:05:42,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:42,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:42,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,758 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 15:05:42,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 307 treesize of output 310 [2022-12-14 15:05:42,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,775 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:42,775 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 311 treesize of output 302 [2022-12-14 15:05:42,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,789 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:42,789 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 311 treesize of output 302 [2022-12-14 15:05:42,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,845 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:42,846 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 315 treesize of output 302 [2022-12-14 15:05:42,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:42,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:42,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:42,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,877 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-12-14 15:05:42,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 316 treesize of output 322 [2022-12-14 15:05:42,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,892 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:42,892 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 315 treesize of output 302 [2022-12-14 15:05:42,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,962 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:42,962 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 315 treesize of output 302 [2022-12-14 15:05:42,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:42,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:42,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:42,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:42,999 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-12-14 15:05:42,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 330 treesize of output 339 [2022-12-14 15:05:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,015 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:43,015 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 315 treesize of output 302 [2022-12-14 15:05:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,103 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:43,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 342 [2022-12-14 15:05:43,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,128 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:43,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 309 treesize of output 311 [2022-12-14 15:05:43,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,151 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:43,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 309 treesize of output 311 [2022-12-14 15:05:43,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,243 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:43,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 342 [2022-12-14 15:05:43,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,271 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 15:05:43,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 318 treesize of output 323 [2022-12-14 15:05:43,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,296 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 15:05:43,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 318 treesize of output 323 [2022-12-14 15:05:43,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,417 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:43,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 345 treesize of output 342 [2022-12-14 15:05:43,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,461 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 15:05:43,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 327 treesize of output 326 [2022-12-14 15:05:43,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:43,492 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 15:05:43,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 321 treesize of output 320 [2022-12-14 15:05:43,726 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 15:05:43,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 628 treesize of output 621 [2022-12-14 15:05:43,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:43,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:43,906 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:43,913 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:43,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,918 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:43,924 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:43,932 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:43,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,938 INFO L350 Elim1Store]: Elim1 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 35 treesize of output 37 [2022-12-14 15:05:43,944 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:43,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:43,962 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:43,968 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:43,978 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:43,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:43,995 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:44,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:44,025 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 15:05:44,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 15:05:44,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:44,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:44,056 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:44,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 15:05:44,075 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:44,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-12-14 15:05:44,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:44,091 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:44,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:44,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,102 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:44,107 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:44,111 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,122 INFO L350 Elim1Store]: Elim1 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 35 treesize of output 37 [2022-12-14 15:05:44,128 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:44,132 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:44,141 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:44,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:44,155 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:44,164 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:44,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:44,179 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:44,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:44,209 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:44,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 15:05:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:44,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:44,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:44,240 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 15:05:44,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 15:05:44,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-12-14 15:05:44,348 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:44,354 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:05:46,123 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3813#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 8) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-12-14 15:05:46,123 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:05:46,123 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:05:46,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 20 [2022-12-14 15:05:46,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593865348] [2022-12-14 15:05:46,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:05:46,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-14 15:05:46,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:46,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-14 15:05:46,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=999, Unknown=8, NotChecked=66, Total=1260 [2022-12-14 15:05:46,125 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 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) [2022-12-14 15:05:46,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:46,631 INFO L93 Difference]: Finished difference Result 137 states and 151 transitions. [2022-12-14 15:05:46,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 15:05:46,631 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 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 59 [2022-12-14 15:05:46,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:46,632 INFO L225 Difference]: With dead ends: 137 [2022-12-14 15:05:46,632 INFO L226 Difference]: Without dead ends: 137 [2022-12-14 15:05:46,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 150 SyntacticMatches, 8 SemanticMatches, 47 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 794 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=375, Invalid=1876, Unknown=9, NotChecked=92, Total=2352 [2022-12-14 15:05:46,633 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 573 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 103 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:46,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 222 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 393 Invalid, 0 Unknown, 103 Unchecked, 0.2s Time] [2022-12-14 15:05:46,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-12-14 15:05:46,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 112. [2022-12-14 15:05:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 97 states have (on average 1.309278350515464) internal successors, (127), 111 states have internal predecessors, (127), 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) [2022-12-14 15:05:46,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 127 transitions. [2022-12-14 15:05:46,635 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 127 transitions. Word has length 59 [2022-12-14 15:05:46,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:46,635 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 127 transitions. [2022-12-14 15:05:46,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 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) [2022-12-14 15:05:46,635 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2022-12-14 15:05:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-14 15:05:46,635 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:46,635 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:05:46,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 15:05:46,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:05:46,836 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:46,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:46,837 INFO L85 PathProgramCache]: Analyzing trace with hash 499271650, now seen corresponding path program 1 times [2022-12-14 15:05:46,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:46,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032987473] [2022-12-14 15:05:46,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:46,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 15:05:47,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:47,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032987473] [2022-12-14 15:05:47,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032987473] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:05:47,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342926125] [2022-12-14 15:05:47,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:47,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:05:47,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:05:47,682 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:05:47,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 15:05:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:47,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 15:05:47,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:05:47,888 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:47,904 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 15:05:47,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 15:05:47,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:47,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:47,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:47,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:47,943 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 18 [2022-12-14 15:05:47,968 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 15:05:47,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:05:47,998 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2256 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2256) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 8 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) 0)) is different from false [2022-12-14 15:05:48,004 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2254 Int) (v_ArrVal_2256 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_2254)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2256) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 8 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) 0)) is different from false [2022-12-14 15:05:48,069 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:48,069 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 43 [2022-12-14 15:05:48,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 15:05:48,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 15:05:48,108 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 3 not checked. [2022-12-14 15:05:48,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342926125] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:05:48,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1109159613] [2022-12-14 15:05:48,111 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-12-14 15:05:48,111 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:05:48,111 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:05:48,111 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:05:48,111 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:05:48,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 15:05:48,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:48,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,153 INFO L350 Elim1Store]: Elim1 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 26 treesize of output 28 [2022-12-14 15:05:48,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:48,171 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:48,177 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:48,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 15:05:48,197 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:48,202 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:48,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-12-14 15:05:48,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:48,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:48,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:48,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:48,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:48,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:48,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-12-14 15:05:48,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,426 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 15:05:48,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 300 treesize of output 303 [2022-12-14 15:05:48,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,443 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:48,443 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 304 treesize of output 295 [2022-12-14 15:05:48,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,455 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:48,456 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 304 treesize of output 295 [2022-12-14 15:05:48,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,523 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-12-14 15:05:48,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 309 treesize of output 315 [2022-12-14 15:05:48,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,541 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:48,541 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 308 treesize of output 295 [2022-12-14 15:05:48,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,554 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:48,554 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 308 treesize of output 295 [2022-12-14 15:05:48,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,622 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-12-14 15:05:48,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 323 treesize of output 332 [2022-12-14 15:05:48,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,639 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:48,639 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 308 treesize of output 295 [2022-12-14 15:05:48,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,650 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:48,650 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 308 treesize of output 295 [2022-12-14 15:05:48,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,718 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:48,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 302 treesize of output 304 [2022-12-14 15:05:48,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,753 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:48,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 338 treesize of output 335 [2022-12-14 15:05:48,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,782 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:48,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 302 treesize of output 304 [2022-12-14 15:05:48,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,874 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 15:05:48,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 311 treesize of output 316 [2022-12-14 15:05:48,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,904 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:48,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 338 treesize of output 335 [2022-12-14 15:05:48,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:48,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:48,927 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-12-14 15:05:48,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 311 treesize of output 316 [2022-12-14 15:05:49,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:49,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:49,052 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 15:05:49,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 320 treesize of output 319 [2022-12-14 15:05:49,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:49,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:49,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:49,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:49,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,092 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:49,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 332 treesize of output 329 [2022-12-14 15:05:49,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:49,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:49,120 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 15:05:49,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 314 treesize of output 313 [2022-12-14 15:05:49,363 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 15:05:49,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 555 treesize of output 556 [2022-12-14 15:05:49,500 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:49,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:49,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:49,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,511 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:49,514 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:49,517 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:49,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,524 INFO L350 Elim1Store]: Elim1 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 35 treesize of output 37 [2022-12-14 15:05:49,529 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:49,532 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:49,537 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:49,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:49,548 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:49,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:49,561 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:49,565 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:49,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:49,584 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:49,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 15:05:49,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:49,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:49,613 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 15:05:49,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 15:05:49,629 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:49,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-12-14 15:05:49,639 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:49,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:49,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:49,649 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:49,652 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:49,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,656 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:49,663 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:49,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,666 INFO L350 Elim1Store]: Elim1 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 35 treesize of output 37 [2022-12-14 15:05:49,671 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:49,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:49,684 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:49,688 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:49,697 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:49,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:49,709 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:49,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:49,729 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:49,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 15:05:49,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:49,739 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 15:05:49,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 15:05:49,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:49,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:49,844 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:49,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-12-14 15:05:49,853 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:05:52,210 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4482#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 12) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-12-14 15:05:52,210 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:05:52,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:05:52,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 13] total 21 [2022-12-14 15:05:52,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308130533] [2022-12-14 15:05:52,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:05:52,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-14 15:05:52,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:52,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-14 15:05:52,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1113, Unknown=2, NotChecked=142, Total=1482 [2022-12-14 15:05:52,212 INFO L87 Difference]: Start difference. First operand 112 states and 127 transitions. Second operand has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 21 states have internal predecessors, (78), 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) [2022-12-14 15:05:52,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:52,569 INFO L93 Difference]: Finished difference Result 137 states and 150 transitions. [2022-12-14 15:05:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 15:05:52,569 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 21 states have internal predecessors, (78), 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 60 [2022-12-14 15:05:52,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:52,569 INFO L225 Difference]: With dead ends: 137 [2022-12-14 15:05:52,569 INFO L226 Difference]: Without dead ends: 137 [2022-12-14 15:05:52,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 156 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=403, Invalid=1859, Unknown=2, NotChecked=186, Total=2450 [2022-12-14 15:05:52,570 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 364 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 173 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:52,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 255 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 331 Invalid, 0 Unknown, 173 Unchecked, 0.2s Time] [2022-12-14 15:05:52,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-12-14 15:05:52,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 112. [2022-12-14 15:05:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 111 states have internal predecessors, (126), 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) [2022-12-14 15:05:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 126 transitions. [2022-12-14 15:05:52,573 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 126 transitions. Word has length 60 [2022-12-14 15:05:52,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:52,573 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 126 transitions. [2022-12-14 15:05:52,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 21 states have internal predecessors, (78), 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) [2022-12-14 15:05:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 126 transitions. [2022-12-14 15:05:52,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 15:05:52,574 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:52,574 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:05:52,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-14 15:05:52,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 15:05:52,776 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:52,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:52,777 INFO L85 PathProgramCache]: Analyzing trace with hash -2026538214, now seen corresponding path program 1 times [2022-12-14 15:05:52,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:52,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266598744] [2022-12-14 15:05:52,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:52,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 15:05:53,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:53,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266598744] [2022-12-14 15:05:53,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266598744] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:05:53,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754118684] [2022-12-14 15:05:53,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:53,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:05:53,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:05:53,270 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:05:53,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 15:05:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:53,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 15:05:53,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:05:53,457 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:53,499 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 15:05:53,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 15:05:53,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 13 treesize of output 9 [2022-12-14 15:05:53,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:53,548 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 15:05:53,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 34 [2022-12-14 15:05:53,589 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:53,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 20 [2022-12-14 15:05:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 15:05:53,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:05:53,846 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:53,846 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2022-12-14 15:05:53,851 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:53,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 35 [2022-12-14 15:05:53,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2022-12-14 15:05:53,870 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:53,871 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 32 [2022-12-14 15:05:53,876 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:53,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 33 [2022-12-14 15:05:53,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-12-14 15:05:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 15:05:54,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754118684] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 15:05:54,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2007418363] [2022-12-14 15:05:54,002 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-12-14 15:05:54,002 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:05:54,003 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:05:54,003 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:05:54,003 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:05:54,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 15:05:54,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,030 INFO L350 Elim1Store]: Elim1 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 26 treesize of output 28 [2022-12-14 15:05:54,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:54,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:54,046 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:54,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 15:05:54,059 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:54,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 57 [2022-12-14 15:05:54,078 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:54,084 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:54,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:54,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:54,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 15:05:54,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:54,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-12-14 15:05:54,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 22 [2022-12-14 15:05:54,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 15:05:54,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,245 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:54,245 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 292 treesize of output 283 [2022-12-14 15:05:54,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,282 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-14 15:05:54,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 288 treesize of output 291 [2022-12-14 15:05:54,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,295 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:54,295 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 292 treesize of output 283 [2022-12-14 15:05:54,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,362 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-12-14 15:05:54,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 297 treesize of output 303 [2022-12-14 15:05:54,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,380 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:54,380 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 296 treesize of output 283 [2022-12-14 15:05:54,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,390 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:54,390 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 296 treesize of output 283 [2022-12-14 15:05:54,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,445 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:54,445 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 296 treesize of output 283 [2022-12-14 15:05:54,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,472 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-12-14 15:05:54,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 311 treesize of output 320 [2022-12-14 15:05:54,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,485 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:05:54,485 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 296 treesize of output 283 [2022-12-14 15:05:54,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,549 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:54,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 326 treesize of output 323 [2022-12-14 15:05:54,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,576 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 15:05:54,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 290 treesize of output 292 [2022-12-14 15:05:54,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,597 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 15:05:54,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 290 treesize of output 292 [2022-12-14 15:05:54,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,667 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 15:05:54,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 299 treesize of output 304 [2022-12-14 15:05:54,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,692 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:54,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 326 treesize of output 323 [2022-12-14 15:05:54,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,723 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-12-14 15:05:54,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 299 treesize of output 304 [2022-12-14 15:05:54,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,840 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 15:05:54,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 308 treesize of output 309 [2022-12-14 15:05:54,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:54,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,871 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-12-14 15:05:54,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 322 treesize of output 319 [2022-12-14 15:05:54,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:54,896 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-12-14 15:05:54,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 304 treesize of output 305 [2022-12-14 15:05:55,125 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-12-14 15:05:55,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 555 treesize of output 556 [2022-12-14 15:05:55,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:55,263 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:55,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:55,272 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:55,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,276 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:55,280 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:55,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,288 INFO L350 Elim1Store]: Elim1 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 35 treesize of output 37 [2022-12-14 15:05:55,293 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:55,296 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:55,301 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:55,305 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:55,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:55,320 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:55,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:55,333 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:55,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:55,357 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 15:05:55,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 15:05:55,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:55,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:55,384 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:55,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 15:05:55,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-12-14 15:05:55,404 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:55,411 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:55,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:55,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:55,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,425 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:55,429 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:55,433 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:55,439 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:55,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,444 INFO L350 Elim1Store]: Elim1 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 35 treesize of output 37 [2022-12-14 15:05:55,449 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 15:05:55,456 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:55,459 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:55,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:55,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:55,483 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:55,489 INFO L350 Elim1Store]: Elim1 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 23 treesize of output 22 [2022-12-14 15:05:55,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:55,521 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 15:05:55,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-12-14 15:05:55,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:55,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2022-12-14 15:05:55,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:05:55,546 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-12-14 15:05:55,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-12-14 15:05:55,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-12-14 15:05:55,661 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 15:05:55,665 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:05:58,068 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5162#(and (not (= |ULTIMATE.start_main_~head~1#1.base| 0)) (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (<= |#NULL.offset| 0) (<= 5 |ULTIMATE.start_main_~len~0#1|) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (<= (+ |ULTIMATE.start_main_~head~1#1.offset| 16) (select |#length| |ULTIMATE.start_main_~head~1#1.base|)) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0) (<= |ULTIMATE.start_dll_create_~len#1| 0) (= |ULTIMATE.start_main_~temp~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12))) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 12)) |ULTIMATE.start_main_~temp~0#1.base|) (= |#NULL.base| 0) (= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1))' at error location [2022-12-14 15:05:58,068 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 15:05:58,069 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 15:05:58,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 28 [2022-12-14 15:05:58,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853619321] [2022-12-14 15:05:58,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 15:05:58,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-14 15:05:58,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:58,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-14 15:05:58,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=1833, Unknown=4, NotChecked=0, Total=2070 [2022-12-14 15:05:58,070 INFO L87 Difference]: Start difference. First operand 112 states and 126 transitions. Second operand has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 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) [2022-12-14 15:05:58,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:58,952 INFO L93 Difference]: Finished difference Result 127 states and 136 transitions. [2022-12-14 15:05:58,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 15:05:58,953 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 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 61 [2022-12-14 15:05:58,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:58,953 INFO L225 Difference]: With dead ends: 127 [2022-12-14 15:05:58,954 INFO L226 Difference]: Without dead ends: 124 [2022-12-14 15:05:58,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 146 SyntacticMatches, 6 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1153 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=507, Invalid=3271, Unknown=4, NotChecked=0, Total=3782 [2022-12-14 15:05:58,956 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 643 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:58,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 344 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 15:05:58,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-12-14 15:05:58,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 102. [2022-12-14 15:05:58,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 101 states have internal predecessors, (112), 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) [2022-12-14 15:05:58,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 112 transitions. [2022-12-14 15:05:58,959 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 112 transitions. Word has length 61 [2022-12-14 15:05:58,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:58,959 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 112 transitions. [2022-12-14 15:05:58,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 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) [2022-12-14 15:05:58,959 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 112 transitions. [2022-12-14 15:05:58,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 15:05:58,960 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:58,960 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:05:58,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 15:05:59,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 15:05:59,161 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2022-12-14 15:05:59,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:59,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1702314332, now seen corresponding path program 1 times [2022-12-14 15:05:59,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:59,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921249491] [2022-12-14 15:05:59,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:59,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:05:59,251 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 15:05:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:05:59,302 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 15:05:59,303 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 15:05:59,303 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK (34 of 35 remaining) [2022-12-14 15:05:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 35 remaining) [2022-12-14 15:05:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 35 remaining) [2022-12-14 15:05:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 35 remaining) [2022-12-14 15:05:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 35 remaining) [2022-12-14 15:05:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 35 remaining) [2022-12-14 15:05:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 35 remaining) [2022-12-14 15:05:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 35 remaining) [2022-12-14 15:05:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 35 remaining) [2022-12-14 15:05:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 35 remaining) [2022-12-14 15:05:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 35 remaining) [2022-12-14 15:05:59,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 35 remaining) [2022-12-14 15:05:59,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 35 remaining) [2022-12-14 15:05:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 35 remaining) [2022-12-14 15:05:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 35 remaining) [2022-12-14 15:05:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 35 remaining) [2022-12-14 15:05:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 35 remaining) [2022-12-14 15:05:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE (3 of 35 remaining) [2022-12-14 15:05:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE (2 of 35 remaining) [2022-12-14 15:05:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_FREE (1 of 35 remaining) [2022-12-14 15:05:59,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (0 of 35 remaining) [2022-12-14 15:05:59,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 15:05:59,309 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:05:59,312 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:05:59,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:05:59 BoogieIcfgContainer [2022-12-14 15:05:59,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:05:59,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:05:59,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:05:59,338 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:05:59,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:05:17" (3/4) ... [2022-12-14 15:05:59,340 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 15:05:59,373 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 15:05:59,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:05:59,373 INFO L158 Benchmark]: Toolchain (without parser) took 42612.55ms. Allocated memory was 138.4MB in the beginning and 352.3MB in the end (delta: 213.9MB). Free memory was 104.0MB in the beginning and 146.4MB in the end (delta: -42.4MB). Peak memory consumption was 172.6MB. Max. memory is 16.1GB. [2022-12-14 15:05:59,373 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:05:59,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.17ms. Allocated memory is still 138.4MB. Free memory was 103.6MB in the beginning and 86.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 15:05:59,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.53ms. Allocated memory is still 138.4MB. Free memory was 86.8MB in the beginning and 84.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:05:59,374 INFO L158 Benchmark]: Boogie Preprocessor took 21.02ms. Allocated memory is still 138.4MB. Free memory was 84.8MB in the beginning and 83.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:05:59,374 INFO L158 Benchmark]: RCFGBuilder took 426.19ms. Allocated memory is still 138.4MB. Free memory was 83.2MB in the beginning and 61.2MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 15:05:59,374 INFO L158 Benchmark]: TraceAbstraction took 41836.04ms. Allocated memory was 138.4MB in the beginning and 352.3MB in the end (delta: 213.9MB). Free memory was 60.6MB in the beginning and 151.2MB in the end (delta: -90.6MB). Peak memory consumption was 126.4MB. Max. memory is 16.1GB. [2022-12-14 15:05:59,374 INFO L158 Benchmark]: Witness Printer took 35.01ms. Allocated memory is still 352.3MB. Free memory was 151.2MB in the beginning and 146.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 15:05:59,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.17ms. Allocated memory is still 138.4MB. Free memory was 103.6MB in the beginning and 86.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.53ms. Allocated memory is still 138.4MB. Free memory was 86.8MB in the beginning and 84.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.02ms. Allocated memory is still 138.4MB. Free memory was 84.8MB in the beginning and 83.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.19ms. Allocated memory is still 138.4MB. Free memory was 83.2MB in the beginning and 61.2MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 41836.04ms. Allocated memory was 138.4MB in the beginning and 352.3MB in the end (delta: 213.9MB). Free memory was 60.6MB in the beginning and 151.2MB in the end (delta: -90.6MB). Peak memory consumption was 126.4MB. Max. memory is 16.1GB. * Witness Printer took 35.01ms. Allocated memory is still 352.3MB. Free memory was 151.2MB in the beginning and 146.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. 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 - CounterExampleResult [Line: 616]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L599] const int len = 5; [L600] CALL, EXPR dll_create(len) [L579] DLL head = ((void *)0); VAL [\old(len)=5, head={0:0}, len=5] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=5, head={0:0}, len=5, new_head={-1:0}] [L585] new_head->data_0 = 0 VAL [\old(len)=5, head={0:0}, len=5, new_head={-1:0}] [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head VAL [\old(len)=5, head={0:0}, len=5, new_head={-1:0}] [L589] new_head->prev = ((void *)0) VAL [\old(len)=5, head={0:0}, len=5, new_head={-1:0}] [L590] COND FALSE !(\read(head)) VAL [\old(len)=5, head={0:0}, len=5, new_head={-1:0}] [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-1:0}, len=4, new_head={-1:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=5, head={-1:0}, len=4, new_head={-2:0}] [L585] new_head->data_0 = 0 VAL [\old(len)=5, head={-1:0}, len=4, new_head={-2:0}] [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head VAL [\old(len)=5, head={-1:0}, len=4, new_head={-2:0}] [L589] new_head->prev = ((void *)0) VAL [\old(len)=5, head={-1:0}, len=4, new_head={-2:0}] [L590] COND TRUE \read(head) VAL [\old(len)=5, head={-1:0}, len=4, new_head={-2:0}] [L591] head->prev = new_head VAL [\old(len)=5, head={-1:0}, len=4, new_head={-2:0}] [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-2:0}, len=3, new_head={-2:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=5, head={-2:0}, len=3, new_head={-3:0}] [L585] new_head->data_0 = 0 VAL [\old(len)=5, head={-2:0}, len=3, new_head={-3:0}] [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head VAL [\old(len)=5, head={-2:0}, len=3, new_head={-3:0}] [L589] new_head->prev = ((void *)0) VAL [\old(len)=5, head={-2:0}, len=3, new_head={-3:0}] [L590] COND TRUE \read(head) VAL [\old(len)=5, head={-2:0}, len=3, new_head={-3:0}] [L591] head->prev = new_head VAL [\old(len)=5, head={-2:0}, len=3, new_head={-3:0}] [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-3:0}, len=2, new_head={-3:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=5, head={-3:0}, len=2, new_head={-4:0}] [L585] new_head->data_0 = 0 VAL [\old(len)=5, head={-3:0}, len=2, new_head={-4:0}] [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head VAL [\old(len)=5, head={-3:0}, len=2, new_head={-4:0}] [L589] new_head->prev = ((void *)0) VAL [\old(len)=5, head={-3:0}, len=2, new_head={-4:0}] [L590] COND TRUE \read(head) VAL [\old(len)=5, head={-3:0}, len=2, new_head={-4:0}] [L591] head->prev = new_head VAL [\old(len)=5, head={-3:0}, len=2, new_head={-4:0}] [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-4:0}, len=1, new_head={-4:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) VAL [\old(len)=5, head={-4:0}, len=1, new_head={-5:0}] [L585] new_head->data_0 = 0 VAL [\old(len)=5, head={-4:0}, len=1, new_head={-5:0}] [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head VAL [\old(len)=5, head={-4:0}, len=1, new_head={-5:0}] [L589] new_head->prev = ((void *)0) VAL [\old(len)=5, head={-4:0}, len=1, new_head={-5:0}] [L590] COND TRUE \read(head) VAL [\old(len)=5, head={-4:0}, len=1, new_head={-5:0}] [L591] head->prev = new_head VAL [\old(len)=5, head={-4:0}, len=1, new_head={-5:0}] [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-5:0}, len=0, new_head={-5:0}] [L580] COND FALSE !(len > 0) [L596] return head; [L600] RET, EXPR dll_create(len) [L600] DLL head = dll_create(len); [L601] head->next VAL [head={-5:0}, head->next={-4:0}, len=5] [L601] COND TRUE head->next [L602] EXPR head->data_0 [L602] EXPR 0 != head->data_0 || 0 != head->data_1 VAL [0 != head->data_0 || 0 != head->data_1=0, head={-5:0}, head->data_0=0, len=5] [L602] EXPR head->data_1 [L602] EXPR 0 != head->data_0 || 0 != head->data_1 VAL [0 != head->data_0 || 0 != head->data_1=0, head={-5:0}, head->data_0=0, head->data_1=0, len=5] [L602] 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 VAL [0 != head->data_0 || 0 != head->data_1=0, 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2=0, head={-5:0}, head->data_0=0, head->data_1=0, len=5] [L602] EXPR head->data_2 [L602] 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 VAL [0 != head->data_0 || 0 != head->data_1=0, 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2=1, head={-5:0}, head->data_0=0, head->data_1=0, head->data_2=1, len=5] [L602] COND TRUE 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 [L616] reach_error() VAL [head={-5:0}, len=5] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 612]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 612]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 612]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 598]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 35 error locations. Started 1 CEGAR loops. OverallTime: 41.8s, OverallIterations: 16, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2769 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2769 mSDsluCounter, 2000 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 276 IncrementalHoareTripleChecker+Unchecked, 1439 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2681 IncrementalHoareTripleChecker+Invalid, 3065 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 561 mSDtfsCounter, 2681 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1122 GetRequests, 844 SyntacticMatches, 20 SemanticMatches, 258 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 2929 ImplicationChecksByTransitivity, 16.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=10, InterpolantAutomatonStates: 113, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 191 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 885 NumberOfCodeBlocks, 848 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1106 ConstructedInterpolants, 42 QuantifiedInterpolants, 4952 SizeOfPredicates, 59 NumberOfNonLiveVariables, 3708 ConjunctsInSsa, 175 ConjunctsInUnsatCore, 32 InterpolantComputations, 7 PerfectInterpolantSequences, 1417/1634 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 3.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 26, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 63, TOOLS_POST_TIME: 3.6s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 63, TOOLS_QUANTIFIERELIM_TIME: 3.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 97, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 26, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 2.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 289, DAG_COMPRESSION_RETAINED_NODES: 82, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 15:05:59,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a17f64-a080-45fe-b79d-2472b4433052/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)