./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 38b53e6a 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_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/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_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-25 23:15:22,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:15:22,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:15:22,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:15:22,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:15:22,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:15:22,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:15:22,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:15:22,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:15:22,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:15:22,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:15:22,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:15:22,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:15:22,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:15:22,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:15:22,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:15:22,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:15:22,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:15:22,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:15:22,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:15:22,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:15:22,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:15:22,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:15:22,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:15:22,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:15:22,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:15:22,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:15:22,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:15:22,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:15:22,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:15:22,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:15:22,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:15:22,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:15:22,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:15:22,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:15:22,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:15:22,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:15:22,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:15:22,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:15:22,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:15:22,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:15:22,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2022-11-25 23:15:22,238 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:15:22,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:15:22,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:15:22,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:15:22,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:15:22,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:15:22,239 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:15:22,239 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:15:22,240 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:15:22,240 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:15:22,240 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:15:22,240 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:15:22,240 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:15:22,240 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:15:22,241 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:15:22,241 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:15:22,241 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:15:22,241 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:15:22,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:15:22,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:15:22,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:15:22,242 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:15:22,243 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:15:22,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:15:22,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:15:22,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:15:22,243 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:15:22,244 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:15:22,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:15:22,244 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:15:22,244 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:15:22,244 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:15:22,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:15:22,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:15:22,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:15:22,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:15:22,245 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:15:22,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:15:22,245 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:15:22,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:15:22,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:15:22,246 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_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 [2022-11-25 23:15:22,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:15:22,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:15:22,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:15:22,585 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:15:22,586 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:15:22,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-11-25 23:15:25,631 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:15:25,936 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:15:25,937 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-11-25 23:15:25,950 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/data/956a7971a/ba684e4f0afa48b4943493e568a05eca/FLAGd9284bd7b [2022-11-25 23:15:25,969 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/data/956a7971a/ba684e4f0afa48b4943493e568a05eca [2022-11-25 23:15:25,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:15:25,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:15:25,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:15:25,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:15:25,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:15:25,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:15:25" (1/1) ... [2022-11-25 23:15:25,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2125d6b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:25, skipping insertion in model container [2022-11-25 23:15:25,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:15:25" (1/1) ... [2022-11-25 23:15:25,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:15:26,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:15:26,412 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_b4010a64-1cd7-4921-b4c7-2a07ce228eff/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-11-25 23:15:26,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:15:26,431 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:15:26,487 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_b4010a64-1cd7-4921-b4c7-2a07ce228eff/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-11-25 23:15:26,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:15:26,517 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:15:26,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:26 WrapperNode [2022-11-25 23:15:26,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:15:26,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:15:26,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:15:26,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:15:26,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:26" (1/1) ... [2022-11-25 23:15:26,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:26" (1/1) ... [2022-11-25 23:15:26,562 INFO L138 Inliner]: procedures = 123, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2022-11-25 23:15:26,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:15:26,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:15:26,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:15:26,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:15:26,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:26" (1/1) ... [2022-11-25 23:15:26,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:26" (1/1) ... [2022-11-25 23:15:26,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:26" (1/1) ... [2022-11-25 23:15:26,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:26" (1/1) ... [2022-11-25 23:15:26,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:26" (1/1) ... [2022-11-25 23:15:26,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:26" (1/1) ... [2022-11-25 23:15:26,591 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:26" (1/1) ... [2022-11-25 23:15:26,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:26" (1/1) ... [2022-11-25 23:15:26,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:15:26,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:15:26,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:15:26,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:15:26,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:26" (1/1) ... [2022-11-25 23:15:26,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:15:26,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:26,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:15:26,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:15:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:15:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:15:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:15:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:15:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:15:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:15:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:15:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:15:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:15:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:15:26,854 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:15:26,856 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:15:27,219 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:15:27,271 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:15:27,271 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 23:15:27,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:15:27 BoogieIcfgContainer [2022-11-25 23:15:27,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:15:27,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:15:27,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:15:27,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:15:27,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:15:25" (1/3) ... [2022-11-25 23:15:27,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7b8009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:15:27, skipping insertion in model container [2022-11-25 23:15:27,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:26" (2/3) ... [2022-11-25 23:15:27,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7b8009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:15:27, skipping insertion in model container [2022-11-25 23:15:27,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:15:27" (3/3) ... [2022-11-25 23:15:27,290 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_nullified-1.i [2022-11-25 23:15:27,310 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:15:27,310 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-11-25 23:15:27,369 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:15:27,376 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;@21a95225, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:15:27,377 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2022-11-25 23:15:27,381 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) [2022-11-25 23:15:27,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-25 23:15:27,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:27,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-25 23:15:27,392 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)] === [2022-11-25 23:15:27,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:27,399 INFO L85 PathProgramCache]: Analyzing trace with hash 194799, now seen corresponding path program 1 times [2022-11-25 23:15:27,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:27,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068976187] [2022-11-25 23:15:27,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:27,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:27,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:27,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:27,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068976187] [2022-11-25 23:15:27,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068976187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:27,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:27,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:15:27,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871091885] [2022-11-25 23:15:27,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:27,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:27,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:27,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:27,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:27,673 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) [2022-11-25 23:15:27,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:27,739 INFO L93 Difference]: Finished difference Result 95 states and 106 transitions. [2022-11-25 23:15:27,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:27,741 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 [2022-11-25 23:15:27,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:27,749 INFO L225 Difference]: With dead ends: 95 [2022-11-25 23:15:27,749 INFO L226 Difference]: Without dead ends: 92 [2022-11-25 23:15:27,751 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 [2022-11-25 23:15:27,754 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 [2022-11-25 23:15:27,755 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] [2022-11-25 23:15:27,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-25 23:15:27,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 71. [2022-11-25 23:15:27,788 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) [2022-11-25 23:15:27,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2022-11-25 23:15:27,790 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 3 [2022-11-25 23:15:27,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:27,791 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2022-11-25 23:15:27,791 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) [2022-11-25 23:15:27,792 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2022-11-25 23:15:27,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:15:27,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:27,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:15:27,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:15:27,793 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)] === [2022-11-25 23:15:27,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:27,794 INFO L85 PathProgramCache]: Analyzing trace with hash 5879945, now seen corresponding path program 1 times [2022-11-25 23:15:27,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:27,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861864974] [2022-11-25 23:15:27,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:27,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:27,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:27,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:27,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861864974] [2022-11-25 23:15:27,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861864974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:27,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:27,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:15:27,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969911776] [2022-11-25 23:15:27,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:27,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:27,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:27,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:27,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:27,857 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) [2022-11-25 23:15:27,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:27,970 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2022-11-25 23:15:27,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:27,971 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 [2022-11-25 23:15:27,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:27,972 INFO L225 Difference]: With dead ends: 93 [2022-11-25 23:15:27,973 INFO L226 Difference]: Without dead ends: 93 [2022-11-25 23:15:27,974 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 [2022-11-25 23:15:27,976 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 [2022-11-25 23:15:27,977 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] [2022-11-25 23:15:27,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-25 23:15:27,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 66. [2022-11-25 23:15:27,982 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) [2022-11-25 23:15:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 74 transitions. [2022-11-25 23:15:27,984 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 74 transitions. Word has length 4 [2022-11-25 23:15:27,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:27,984 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 74 transitions. [2022-11-25 23:15:27,985 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) [2022-11-25 23:15:27,985 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2022-11-25 23:15:27,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:15:27,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:27,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:15:27,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:15:27,986 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)] === [2022-11-25 23:15:27,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:27,987 INFO L85 PathProgramCache]: Analyzing trace with hash 5879946, now seen corresponding path program 1 times [2022-11-25 23:15:27,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:27,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864652438] [2022-11-25 23:15:27,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:27,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:28,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:28,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864652438] [2022-11-25 23:15:28,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864652438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:28,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:28,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:15:28,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649975151] [2022-11-25 23:15:28,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:28,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:28,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:28,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:28,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:28,105 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) [2022-11-25 23:15:28,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:28,193 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2022-11-25 23:15:28,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:28,195 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 [2022-11-25 23:15:28,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:28,196 INFO L225 Difference]: With dead ends: 61 [2022-11-25 23:15:28,199 INFO L226 Difference]: Without dead ends: 61 [2022-11-25 23:15:28,200 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 [2022-11-25 23:15:28,201 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:28,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 38 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:15:28,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-25 23:15:28,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-25 23:15:28,212 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) [2022-11-25 23:15:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 69 transitions. [2022-11-25 23:15:28,215 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 69 transitions. Word has length 4 [2022-11-25 23:15:28,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:28,215 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 69 transitions. [2022-11-25 23:15:28,216 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) [2022-11-25 23:15:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2022-11-25 23:15:28,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 23:15:28,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:28,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:28,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:15:28,218 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)] === [2022-11-25 23:15:28,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:28,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1562642246, now seen corresponding path program 1 times [2022-11-25 23:15:28,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:28,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484513170] [2022-11-25 23:15:28,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:28,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:28,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:28,385 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:28,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484513170] [2022-11-25 23:15:28,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484513170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:28,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:28,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:15:28,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238917708] [2022-11-25 23:15:28,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:28,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:15:28,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:28,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:15:28,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:15:28,388 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) [2022-11-25 23:15:28,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:28,436 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2022-11-25 23:15:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:15:28,436 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 [2022-11-25 23:15:28,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:28,437 INFO L225 Difference]: With dead ends: 69 [2022-11-25 23:15:28,437 INFO L226 Difference]: Without dead ends: 69 [2022-11-25 23:15:28,438 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 [2022-11-25 23:15:28,439 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 [2022-11-25 23:15:28,439 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] [2022-11-25 23:15:28,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-25 23:15:28,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-11-25 23:15:28,444 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) [2022-11-25 23:15:28,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2022-11-25 23:15:28,445 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 10 [2022-11-25 23:15:28,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:28,446 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2022-11-25 23:15:28,446 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) [2022-11-25 23:15:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2022-11-25 23:15:28,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:15:28,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:28,447 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:28,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:15:28,448 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)] === [2022-11-25 23:15:28,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:28,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1539195952, now seen corresponding path program 1 times [2022-11-25 23:15:28,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:28,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514441025] [2022-11-25 23:15:28,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:28,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:28,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:28,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514441025] [2022-11-25 23:15:28,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514441025] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:15:28,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632648687] [2022-11-25 23:15:28,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:28,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:28,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:28,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:28,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:15:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:28,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:15:28,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:28,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:28,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:15:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:28,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632648687] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:15:28,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [796560860] [2022-11-25 23:15:28,855 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-25 23:15:28,856 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:15:28,860 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:15:28,865 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:15:28,865 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:15:28,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:28,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,011 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 [2022-11-25 23:15:29,052 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 [2022-11-25 23:15:29,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,084 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 [2022-11-25 23:15:29,100 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 [2022-11-25 23:15:29,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,150 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 [2022-11-25 23:15:29,173 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 [2022-11-25 23:15:29,204 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 [2022-11-25 23:15:29,257 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 [2022-11-25 23:15:29,268 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 [2022-11-25 23:15:29,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,299 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 [2022-11-25 23:15:29,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,372 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 [2022-11-25 23:15:29,398 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 [2022-11-25 23:15:29,414 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 [2022-11-25 23:15:29,460 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 [2022-11-25 23:15:29,476 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 [2022-11-25 23:15:29,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,514 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 [2022-11-25 23:15:29,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,655 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 [2022-11-25 23:15:29,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,751 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 52 treesize of output 63 [2022-11-25 23:15:29,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,806 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 [2022-11-25 23:15:29,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,826 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 [2022-11-25 23:15:29,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:29,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:29,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,028 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-25 23:15:30,029 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 [2022-11-25 23:15:30,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,065 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:30,067 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 [2022-11-25 23:15:30,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,091 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:30,092 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 [2022-11-25 23:15:30,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,208 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:30,208 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 [2022-11-25 23:15:30,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,244 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:30,244 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 [2022-11-25 23:15:30,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,325 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-11-25 23:15:30,326 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 [2022-11-25 23:15:30,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,462 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:15:30,462 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 [2022-11-25 23:15:30,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,515 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:15:30,516 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 [2022-11-25 23:15:30,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,553 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:15:30,558 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 [2022-11-25 23:15:30,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,706 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:15:30,707 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 [2022-11-25 23:15:30,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,763 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-25 23:15:30,764 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 [2022-11-25 23:15:30,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:30,805 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-25 23:15:30,805 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 [2022-11-25 23:15:30,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:30,989 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 [2022-11-25 23:15:31,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,051 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 [2022-11-25 23:15:31,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,076 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 [2022-11-25 23:15:31,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,103 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 [2022-11-25 23:15:31,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,218 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-25 23:15:31,218 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 [2022-11-25 23:15:31,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,250 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:31,251 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 [2022-11-25 23:15:31,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,274 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:31,274 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 [2022-11-25 23:15:31,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,445 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-11-25 23:15:31,445 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 [2022-11-25 23:15:31,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,478 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:31,479 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 [2022-11-25 23:15:31,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,499 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:31,500 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 [2022-11-25 23:15:31,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,621 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:15:31,622 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 [2022-11-25 23:15:31,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,661 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:15:31,662 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 [2022-11-25 23:15:31,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,697 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:15:31,698 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 [2022-11-25 23:15:31,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,864 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:15:31,865 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 [2022-11-25 23:15:31,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,922 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-25 23:15:31,923 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 [2022-11-25 23:15:31,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:31,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:31,962 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-25 23:15:31,962 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 [2022-11-25 23:15:32,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:32,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:32,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:32,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:32,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:32,144 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 [2022-11-25 23:15:32,214 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:15:36,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [796560860] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:36,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:15:36,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [3, 3, 3] total 14 [2022-11-25 23:15:36,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038508563] [2022-11-25 23:15:36,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:36,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 23:15:36,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:36,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 23:15:36,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-11-25 23:15:36,938 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) [2022-11-25 23:15:37,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:37,899 INFO L93 Difference]: Finished difference Result 80 states and 89 transitions. [2022-11-25 23:15:37,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 23:15:37,899 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 [2022-11-25 23:15:37,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:37,900 INFO L225 Difference]: With dead ends: 80 [2022-11-25 23:15:37,900 INFO L226 Difference]: Without dead ends: 80 [2022-11-25 23:15:37,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-11-25 23:15:37,902 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 6 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:37,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 144 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 23:15:37,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-25 23:15:37,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2022-11-25 23:15:37,907 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) [2022-11-25 23:15:37,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2022-11-25 23:15:37,913 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 12 [2022-11-25 23:15:37,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:37,913 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2022-11-25 23:15:37,913 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) [2022-11-25 23:15:37,914 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2022-11-25 23:15:37,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 23:15:37,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:37,914 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-25 23:15:37,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 23:15:38,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:38,119 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)] === [2022-11-25 23:15:38,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:38,120 INFO L85 PathProgramCache]: Analyzing trace with hash 135230789, now seen corresponding path program 1 times [2022-11-25 23:15:38,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:38,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942927000] [2022-11-25 23:15:38,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:38,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:38,357 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:38,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:38,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942927000] [2022-11-25 23:15:38,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942927000] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:15:38,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346377379] [2022-11-25 23:15:38,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:38,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:38,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:38,359 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:38,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:15:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:38,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 23:15:38,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:38,491 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 [2022-11-25 23:15:38,521 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:15:38,521 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 [2022-11-25 23:15:38,536 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:38,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:15:38,683 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:38,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346377379] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:15:38,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2068983835] [2022-11-25 23:15:38,686 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-25 23:15:38,687 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:15:38,687 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:15:38,687 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:15:38,687 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:15:38,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:38,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:38,716 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 [2022-11-25 23:15:38,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:38,758 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 [2022-11-25 23:15:38,780 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 [2022-11-25 23:15:38,804 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 [2022-11-25 23:15:38,827 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 [2022-11-25 23:15:38,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:38,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:38,860 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 [2022-11-25 23:15:38,883 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 [2022-11-25 23:15:38,925 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 [2022-11-25 23:15:38,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:38,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:38,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:38,942 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 [2022-11-25 23:15:38,974 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 [2022-11-25 23:15:39,013 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 [2022-11-25 23:15:39,021 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 [2022-11-25 23:15:39,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,039 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 [2022-11-25 23:15:39,073 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 [2022-11-25 23:15:39,085 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 [2022-11-25 23:15:39,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,103 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 [2022-11-25 23:15:39,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,180 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 [2022-11-25 23:15:39,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,235 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 [2022-11-25 23:15:39,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,248 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 [2022-11-25 23:15:39,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,266 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 [2022-11-25 23:15:39,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,353 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:39,354 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 [2022-11-25 23:15:39,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,407 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-25 23:15:39,408 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 [2022-11-25 23:15:39,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,432 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:39,433 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 317 treesize of output 304 [2022-11-25 23:15:39,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,581 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-25 23:15:39,582 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 [2022-11-25 23:15:39,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,615 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:39,616 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 [2022-11-25 23:15:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,635 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:39,636 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 [2022-11-25 23:15:39,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,764 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:15:39,764 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 [2022-11-25 23:15:39,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,817 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:15:39,818 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 [2022-11-25 23:15:39,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,859 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:15:39,859 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 [2022-11-25 23:15:39,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:39,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:39,992 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:15:39,992 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 [2022-11-25 23:15:40,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,045 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:15:40,045 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 [2022-11-25 23:15:40,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,081 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:15:40,081 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 [2022-11-25 23:15:40,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,238 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 [2022-11-25 23:15:40,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,286 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 [2022-11-25 23:15:40,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,300 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 [2022-11-25 23:15:40,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,318 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 [2022-11-25 23:15:40,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,415 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-25 23:15:40,415 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 [2022-11-25 23:15:40,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,442 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:40,443 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 317 treesize of output 304 [2022-11-25 23:15:40,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,463 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:40,463 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 [2022-11-25 23:15:40,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,583 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-25 23:15:40,583 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 [2022-11-25 23:15:40,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,611 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:40,612 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 [2022-11-25 23:15:40,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,632 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:40,633 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 [2022-11-25 23:15:40,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,762 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:15:40,762 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 [2022-11-25 23:15:40,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,825 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:15:40,826 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 [2022-11-25 23:15:40,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:40,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,865 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:15:40,866 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 [2022-11-25 23:15:40,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:40,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:41,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:41,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:41,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:41,022 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:15:41,023 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 [2022-11-25 23:15:41,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:41,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:41,068 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:15:41,069 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 [2022-11-25 23:15:41,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:41,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:41,110 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:15:41,110 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 [2022-11-25 23:15:41,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:41,388 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 [2022-11-25 23:15:41,445 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:15:46,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2068983835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:46,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:15:46,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 3, 4] total 15 [2022-11-25 23:15:46,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207677042] [2022-11-25 23:15:46,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:46,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 23:15:46,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:46,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 23:15:46,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2022-11-25 23:15:46,563 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) [2022-11-25 23:15:47,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:47,856 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2022-11-25 23:15:47,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 23:15:47,857 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 [2022-11-25 23:15:47,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:47,858 INFO L225 Difference]: With dead ends: 78 [2022-11-25 23:15:47,858 INFO L226 Difference]: Without dead ends: 78 [2022-11-25 23:15:47,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2022-11-25 23:15:47,859 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:47,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 23:15:47,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-25 23:15:47,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-25 23:15:47,864 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) [2022-11-25 23:15:47,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2022-11-25 23:15:47,865 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 19 [2022-11-25 23:15:47,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:47,865 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2022-11-25 23:15:47,866 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) [2022-11-25 23:15:47,866 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2022-11-25 23:15:47,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 23:15:47,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:47,866 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:47,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:15:48,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:48,073 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)] === [2022-11-25 23:15:48,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:48,073 INFO L85 PathProgramCache]: Analyzing trace with hash -18869613, now seen corresponding path program 1 times [2022-11-25 23:15:48,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:48,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865099349] [2022-11-25 23:15:48,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:48,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:15:48,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:48,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865099349] [2022-11-25 23:15:48,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865099349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:48,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:48,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:15:48,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844429674] [2022-11-25 23:15:48,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:48,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:15:48,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:48,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:15:48,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:15:48,250 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) [2022-11-25 23:15:48,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:48,393 INFO L93 Difference]: Finished difference Result 94 states and 105 transitions. [2022-11-25 23:15:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:15:48,394 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 [2022-11-25 23:15:48,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:48,395 INFO L225 Difference]: With dead ends: 94 [2022-11-25 23:15:48,395 INFO L226 Difference]: Without dead ends: 94 [2022-11-25 23:15:48,395 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 [2022-11-25 23:15:48,396 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 [2022-11-25 23:15:48,396 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] [2022-11-25 23:15:48,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-25 23:15:48,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 72. [2022-11-25 23:15:48,401 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) [2022-11-25 23:15:48,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions. [2022-11-25 23:15:48,401 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 22 [2022-11-25 23:15:48,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:48,402 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 84 transitions. [2022-11-25 23:15:48,402 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) [2022-11-25 23:15:48,402 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2022-11-25 23:15:48,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 23:15:48,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:48,403 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:48,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:15:48,403 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)] === [2022-11-25 23:15:48,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:48,404 INFO L85 PathProgramCache]: Analyzing trace with hash -18869612, now seen corresponding path program 1 times [2022-11-25 23:15:48,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:48,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798935366] [2022-11-25 23:15:48,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:48,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:48,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:48,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798935366] [2022-11-25 23:15:48,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798935366] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:15:48,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405631486] [2022-11-25 23:15:48,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:48,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:48,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:48,534 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:48,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:15:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:48,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 23:15:48,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:48,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:15:48,759 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:15:48,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405631486] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:15:48,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [842063932] [2022-11-25 23:15:48,762 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2022-11-25 23:15:48,762 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:15:48,763 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:15:48,763 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:15:48,763 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:15:48,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,787 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 [2022-11-25 23:15:48,808 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 [2022-11-25 23:15:48,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,818 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 [2022-11-25 23:15:48,827 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 [2022-11-25 23:15:48,842 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 [2022-11-25 23:15:48,850 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 [2022-11-25 23:15:48,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,862 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 [2022-11-25 23:15:48,882 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 [2022-11-25 23:15:48,888 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 [2022-11-25 23:15:48,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,901 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 [2022-11-25 23:15:48,922 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 [2022-11-25 23:15:48,929 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 [2022-11-25 23:15:48,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,945 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 [2022-11-25 23:15:48,969 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 [2022-11-25 23:15:48,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,985 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 64 treesize of output 60 [2022-11-25 23:15:49,007 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 [2022-11-25 23:15:49,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,092 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 [2022-11-25 23:15:49,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,230 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:15:49,231 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 [2022-11-25 23:15:49,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,257 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:49,258 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 [2022-11-25 23:15:49,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,277 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:49,278 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 [2022-11-25 23:15:49,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,409 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-25 23:15:49,410 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 [2022-11-25 23:15:49,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,438 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:49,439 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 [2022-11-25 23:15:49,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,459 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:49,460 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 [2022-11-25 23:15:49,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,635 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-25 23:15:49,636 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 [2022-11-25 23:15:49,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,666 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:49,666 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 1 case distinctions, treesize of input 315 treesize of output 302 [2022-11-25 23:15:49,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,686 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:49,687 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 [2022-11-25 23:15:49,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,801 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:15:49,802 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 [2022-11-25 23:15:49,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,852 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:15:49,853 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 [2022-11-25 23:15:49,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,888 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:15:49,889 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 [2022-11-25 23:15:49,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:49,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:49,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,019 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:15:50,019 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 [2022-11-25 23:15:50,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,066 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:15:50,066 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 [2022-11-25 23:15:50,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,099 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:15:50,100 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 [2022-11-25 23:15:50,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,303 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-25 23:15:50,303 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 [2022-11-25 23:15:50,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:50,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,364 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:15:50,364 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 [2022-11-25 23:15:50,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:50,405 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-25 23:15:50,405 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 [2022-11-25 23:15:50,814 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-25 23:15:50,815 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 [2022-11-25 23:15:51,055 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 [2022-11-25 23:15:51,060 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 [2022-11-25 23:15:51,064 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 [2022-11-25 23:15:51,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,074 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 [2022-11-25 23:15:51,080 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 [2022-11-25 23:15:51,086 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 [2022-11-25 23:15:51,095 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 [2022-11-25 23:15:51,099 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 [2022-11-25 23:15:51,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,107 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 [2022-11-25 23:15:51,119 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 [2022-11-25 23:15:51,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,129 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 [2022-11-25 23:15:51,138 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 [2022-11-25 23:15:51,149 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 [2022-11-25 23:15:51,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,160 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 [2022-11-25 23:15:51,170 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 [2022-11-25 23:15:51,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:51,205 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:15:51,205 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 [2022-11-25 23:15:51,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,222 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 [2022-11-25 23:15:51,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:51,245 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:15:51,245 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 [2022-11-25 23:15:51,274 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 [2022-11-25 23:15:51,279 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 [2022-11-25 23:15:51,291 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 [2022-11-25 23:15:51,296 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 15 treesize of output 1 [2022-11-25 23:15:51,301 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 15 treesize of output 1 [2022-11-25 23:15:51,311 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 [2022-11-25 23:15:51,316 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 [2022-11-25 23:15:51,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,323 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 [2022-11-25 23:15:51,335 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 [2022-11-25 23:15:51,340 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 [2022-11-25 23:15:51,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,348 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 [2022-11-25 23:15:51,362 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 [2022-11-25 23:15:51,368 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 [2022-11-25 23:15:51,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,379 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 [2022-11-25 23:15:51,394 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 [2022-11-25 23:15:51,401 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 [2022-11-25 23:15:51,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,414 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 [2022-11-25 23:15:51,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:51,454 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:15:51,455 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 [2022-11-25 23:15:51,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:51,472 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 [2022-11-25 23:15:51,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:51,511 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:15:51,511 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 [2022-11-25 23:15:51,574 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 [2022-11-25 23:15:51,579 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 [2022-11-25 23:15:51,589 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:15:52,683 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 [2022-11-25 23:15:52,683 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:15:52,683 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:15:52,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-25 23:15:52,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730557069] [2022-11-25 23:15:52,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:15:52,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:15:52,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:52,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:15:52,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-25 23:15:52,685 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) [2022-11-25 23:15:52,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:52,775 INFO L93 Difference]: Finished difference Result 128 states and 145 transitions. [2022-11-25 23:15:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:15:52,775 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 [2022-11-25 23:15:52,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:52,776 INFO L225 Difference]: With dead ends: 128 [2022-11-25 23:15:52,776 INFO L226 Difference]: Without dead ends: 128 [2022-11-25 23:15:52,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-25 23:15:52,777 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 17 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:52,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 263 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:15:52,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-25 23:15:52,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2022-11-25 23:15:52,795 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) [2022-11-25 23:15:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2022-11-25 23:15:52,796 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 22 [2022-11-25 23:15:52,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:52,800 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2022-11-25 23:15:52,801 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) [2022-11-25 23:15:52,801 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2022-11-25 23:15:52,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-25 23:15:52,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:52,802 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2022-11-25 23:15:52,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:15:53,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-25 23:15:53,003 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)] === [2022-11-25 23:15:53,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:53,003 INFO L85 PathProgramCache]: Analyzing trace with hash -448164573, now seen corresponding path program 1 times [2022-11-25 23:15:53,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:53,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826398737] [2022-11-25 23:15:53,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:53,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:53,281 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:15:53,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:53,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826398737] [2022-11-25 23:15:53,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826398737] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:15:53,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042817559] [2022-11-25 23:15:53,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:53,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:53,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:53,283 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:53,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:15:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:53,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 23:15:53,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:53,456 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 [2022-11-25 23:15:53,460 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 [2022-11-25 23:15:53,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,561 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 [2022-11-25 23:15:53,570 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 23:15:53,571 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 [2022-11-25 23:15:53,607 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:15:53,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:15:53,913 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:15:53,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042817559] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:15:53,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1687364754] [2022-11-25 23:15:53,916 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-25 23:15:53,916 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:15:53,916 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:15:53,916 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:15:53,917 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:15:53,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,937 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 [2022-11-25 23:15:53,960 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 [2022-11-25 23:15:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:53,969 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 [2022-11-25 23:15:53,979 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 [2022-11-25 23:15:54,000 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 [2022-11-25 23:15:54,007 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 [2022-11-25 23:15:54,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,017 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 [2022-11-25 23:15:54,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,040 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 [2022-11-25 23:15:54,051 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 [2022-11-25 23:15:54,059 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 [2022-11-25 23:15:54,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,079 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 [2022-11-25 23:15:54,093 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 [2022-11-25 23:15:54,103 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 [2022-11-25 23:15:54,121 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 [2022-11-25 23:15:54,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,140 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 [2022-11-25 23:15:54,154 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 [2022-11-25 23:15:54,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,240 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 [2022-11-25 23:15:54,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,286 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 [2022-11-25 23:15:54,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,297 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 [2022-11-25 23:15:54,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,319 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 [2022-11-25 23:15:54,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,412 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-25 23:15:54,413 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 [2022-11-25 23:15:54,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,444 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:54,445 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 317 treesize of output 304 [2022-11-25 23:15:54,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,466 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:54,466 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 [2022-11-25 23:15:54,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,602 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-25 23:15:54,602 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 [2022-11-25 23:15:54,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,634 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:54,635 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 [2022-11-25 23:15:54,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,655 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:54,656 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 [2022-11-25 23:15:54,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,784 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:15:54,784 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 [2022-11-25 23:15:54,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,835 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:15:54,835 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 [2022-11-25 23:15:54,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,865 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:15:54,866 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 [2022-11-25 23:15:54,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:54,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:54,988 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:15:54,989 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 [2022-11-25 23:15:55,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:55,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:55,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:55,035 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:15:55,035 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 [2022-11-25 23:15:55,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:55,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:55,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:55,073 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:15:55,074 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 [2022-11-25 23:15:55,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:55,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:55,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:55,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:55,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:55,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:55,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:55,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:55,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:55,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:55,257 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:15:55,258 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 [2022-11-25 23:15:55,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:55,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:55,300 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-25 23:15:55,301 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 [2022-11-25 23:15:55,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:55,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:55,333 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-25 23:15:55,334 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 [2022-11-25 23:15:55,737 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-25 23:15:55,737 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 [2022-11-25 23:15:56,087 INFO L321 Elim1Store]: treesize reduction 118, result has 13.9 percent of original size [2022-11-25 23:15:56,087 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 [2022-11-25 23:15:56,229 INFO L321 Elim1Store]: treesize reduction 396, result has 10.4 percent of original size [2022-11-25 23:15:56,230 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 [2022-11-25 23:15:56,313 INFO L321 Elim1Store]: treesize reduction 142, result has 11.8 percent of original size [2022-11-25 23:15:56,314 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 [2022-11-25 23:15:56,409 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 [2022-11-25 23:15:56,414 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 19 treesize of output 1 [2022-11-25 23:15:56,420 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 [2022-11-25 23:15:56,428 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 [2022-11-25 23:15:56,432 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 [2022-11-25 23:15:56,438 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 [2022-11-25 23:15:56,449 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 [2022-11-25 23:15:56,456 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 [2022-11-25 23:15:56,462 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 [2022-11-25 23:15:56,472 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 [2022-11-25 23:15:56,479 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 [2022-11-25 23:15:56,488 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 [2022-11-25 23:15:56,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:56,522 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:15:56,523 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 [2022-11-25 23:15:56,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:56,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:56,535 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 [2022-11-25 23:15:56,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:56,554 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:15:56,555 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 [2022-11-25 23:15:56,590 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 [2022-11-25 23:15:56,596 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 [2022-11-25 23:15:56,606 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 [2022-11-25 23:15:56,612 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 [2022-11-25 23:15:56,618 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 [2022-11-25 23:15:56,629 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 [2022-11-25 23:15:56,634 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 [2022-11-25 23:15:56,640 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 [2022-11-25 23:15:56,654 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 [2022-11-25 23:15:56,665 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 [2022-11-25 23:15:56,671 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 [2022-11-25 23:15:56,681 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 13 treesize of output 9 [2022-11-25 23:15:56,688 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 [2022-11-25 23:15:56,696 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 [2022-11-25 23:15:56,708 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 [2022-11-25 23:15:56,716 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 [2022-11-25 23:15:56,742 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 [2022-11-25 23:15:56,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:56,780 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:15:56,780 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 [2022-11-25 23:15:56,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:56,794 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 [2022-11-25 23:15:56,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:56,813 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:15:56,814 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 [2022-11-25 23:15:56,863 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 [2022-11-25 23:15:56,869 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 [2022-11-25 23:15:56,885 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:15:57,838 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 [2022-11-25 23:15:57,839 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:15:57,839 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:15:57,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2022-11-25 23:15:57,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20739629] [2022-11-25 23:15:57,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:15:57,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 23:15:57,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:57,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 23:15:57,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2022-11-25 23:15:57,841 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) [2022-11-25 23:15:58,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:58,049 INFO L93 Difference]: Finished difference Result 143 states and 160 transitions. [2022-11-25 23:15:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:15:58,049 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 [2022-11-25 23:15:58,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:58,050 INFO L225 Difference]: With dead ends: 143 [2022-11-25 23:15:58,050 INFO L226 Difference]: Without dead ends: 143 [2022-11-25 23:15:58,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2022-11-25 23:15:58,051 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 [2022-11-25 23:15:58,052 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] [2022-11-25 23:15:58,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-25 23:15:58,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 120. [2022-11-25 23:15:58,057 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) [2022-11-25 23:15:58,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 137 transitions. [2022-11-25 23:15:58,057 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 137 transitions. Word has length 29 [2022-11-25 23:15:58,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:58,058 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 137 transitions. [2022-11-25 23:15:58,058 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) [2022-11-25 23:15:58,058 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2022-11-25 23:15:58,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-25 23:15:58,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:58,063 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1] [2022-11-25 23:15:58,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:15:58,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-25 23:15:58,264 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)] === [2022-11-25 23:15:58,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:58,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1036004723, now seen corresponding path program 2 times [2022-11-25 23:15:58,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:58,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573001131] [2022-11-25 23:15:58,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:58,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:58,421 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 23:15:58,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:58,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573001131] [2022-11-25 23:15:58,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573001131] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:15:58,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134543394] [2022-11-25 23:15:58,422 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 23:15:58,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:58,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:58,423 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:58,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:15:58,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-25 23:15:58,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 23:15:58,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 23:15:58,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-25 23:15:58,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:15:58,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134543394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:58,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:15:58,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2022-11-25 23:15:58,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469107209] [2022-11-25 23:15:58,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:58,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:15:58,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:58,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:15:58,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:15:58,662 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) [2022-11-25 23:15:58,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:58,801 INFO L93 Difference]: Finished difference Result 147 states and 169 transitions. [2022-11-25 23:15:58,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:15:58,801 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 [2022-11-25 23:15:58,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:58,802 INFO L225 Difference]: With dead ends: 147 [2022-11-25 23:15:58,803 INFO L226 Difference]: Without dead ends: 147 [2022-11-25 23:15:58,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-25 23:15:58,804 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 [2022-11-25 23:15:58,804 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] [2022-11-25 23:15:58,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-11-25 23:15:58,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137. [2022-11-25 23:15:58,808 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) [2022-11-25 23:15:58,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2022-11-25 23:15:58,809 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 49 [2022-11-25 23:15:58,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:58,810 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2022-11-25 23:15:58,810 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) [2022-11-25 23:15:58,810 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2022-11-25 23:15:58,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-25 23:15:58,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:58,812 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:58,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:15:59,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:59,019 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)] === [2022-11-25 23:15:59,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:59,020 INFO L85 PathProgramCache]: Analyzing trace with hash 18290846, now seen corresponding path program 1 times [2022-11-25 23:15:59,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:59,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315464070] [2022-11-25 23:15:59,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:59,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:59,201 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 23:15:59,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:59,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315464070] [2022-11-25 23:15:59,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315464070] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:15:59,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805169764] [2022-11-25 23:15:59,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:59,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:59,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:59,203 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:59,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 23:15:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:59,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:15:59,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 23:15:59,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:15:59,488 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 23:15:59,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805169764] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:15:59,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [532425372] [2022-11-25 23:15:59,490 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-25 23:15:59,491 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:15:59,491 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:15:59,491 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:15:59,491 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:15:59,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,517 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 [2022-11-25 23:15:59,537 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 [2022-11-25 23:15:59,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,547 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 [2022-11-25 23:15:59,555 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 [2022-11-25 23:15:59,570 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 [2022-11-25 23:15:59,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,580 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 [2022-11-25 23:15:59,588 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 [2022-11-25 23:15:59,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,608 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 [2022-11-25 23:15:59,620 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 [2022-11-25 23:15:59,627 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 [2022-11-25 23:15:59,644 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 [2022-11-25 23:15:59,650 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 [2022-11-25 23:15:59,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,664 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 [2022-11-25 23:15:59,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,692 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 [2022-11-25 23:15:59,704 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 [2022-11-25 23:15:59,714 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 [2022-11-25 23:15:59,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,790 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 [2022-11-25 23:15:59,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,874 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:59,874 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 [2022-11-25 23:15:59,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:59,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:59,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,923 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:15:59,924 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 [2022-11-25 23:15:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:59,945 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:59,945 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 [2022-11-25 23:16:00,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,051 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:00,052 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 [2022-11-25 23:16:00,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,097 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-25 23:16:00,097 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 [2022-11-25 23:16:00,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,119 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:00,120 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 [2022-11-25 23:16:00,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,235 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-25 23:16:00,236 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 [2022-11-25 23:16:00,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,264 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:00,264 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 [2022-11-25 23:16:00,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,282 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:00,283 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 [2022-11-25 23:16:00,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,385 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:16:00,386 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 [2022-11-25 23:16:00,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,422 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:16:00,422 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 [2022-11-25 23:16:00,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,453 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:16:00,453 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 [2022-11-25 23:16:00,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,575 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:16:00,575 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 [2022-11-25 23:16:00,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,629 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:16:00,629 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 [2022-11-25 23:16:00,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,669 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:16:00,669 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 [2022-11-25 23:16:00,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,866 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-25 23:16:00,866 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 [2022-11-25 23:16:00,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:00,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,925 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:16:00,925 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 [2022-11-25 23:16:00,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:00,976 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-25 23:16:00,976 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 [2022-11-25 23:16:01,341 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-25 23:16:01,342 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 [2022-11-25 23:16:01,591 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 [2022-11-25 23:16:01,595 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 [2022-11-25 23:16:01,600 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 [2022-11-25 23:16:01,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,610 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 [2022-11-25 23:16:01,616 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 [2022-11-25 23:16:01,621 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 [2022-11-25 23:16:01,630 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 [2022-11-25 23:16:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,651 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 [2022-11-25 23:16:01,660 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 [2022-11-25 23:16:01,671 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 13 treesize of output 9 [2022-11-25 23:16:01,677 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 [2022-11-25 23:16:01,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,689 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 [2022-11-25 23:16:01,712 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 [2022-11-25 23:16:01,719 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 [2022-11-25 23:16:01,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,731 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 [2022-11-25 23:16:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,774 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 [2022-11-25 23:16:01,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:01,797 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:16:01,797 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 [2022-11-25 23:16:01,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:01,819 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:16:01,820 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 [2022-11-25 23:16:01,867 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 [2022-11-25 23:16:01,874 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 [2022-11-25 23:16:01,886 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 [2022-11-25 23:16:01,891 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 [2022-11-25 23:16:01,897 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 [2022-11-25 23:16:01,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,908 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 [2022-11-25 23:16:01,916 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 [2022-11-25 23:16:01,922 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 [2022-11-25 23:16:01,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,939 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 [2022-11-25 23:16:01,948 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 [2022-11-25 23:16:01,953 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 [2022-11-25 23:16:01,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:01,976 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 [2022-11-25 23:16:01,989 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 [2022-11-25 23:16:01,996 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 [2022-11-25 23:16:02,009 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 [2022-11-25 23:16:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:02,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:02,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:02,020 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 [2022-11-25 23:16:02,030 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 [2022-11-25 23:16:02,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:02,080 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:16:02,080 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 [2022-11-25 23:16:02,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:02,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:02,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:02,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:02,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:02,100 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 [2022-11-25 23:16:02,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:02,127 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:16:02,128 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 [2022-11-25 23:16:02,216 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 [2022-11-25 23:16:02,221 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 [2022-11-25 23:16:02,235 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:16:03,801 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 [2022-11-25 23:16:03,801 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:16:03,801 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:16:03,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-11-25 23:16:03,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971966895] [2022-11-25 23:16:03,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:16:03,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:16:03,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:03,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:16:03,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-11-25 23:16:03,803 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) [2022-11-25 23:16:03,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:03,869 INFO L93 Difference]: Finished difference Result 110 states and 126 transitions. [2022-11-25 23:16:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:16:03,870 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 [2022-11-25 23:16:03,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:03,871 INFO L225 Difference]: With dead ends: 110 [2022-11-25 23:16:03,872 INFO L226 Difference]: Without dead ends: 110 [2022-11-25 23:16:03,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-25 23:16:03,873 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:03,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 40 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:16:03,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-25 23:16:03,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-11-25 23:16:03,877 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) [2022-11-25 23:16:03,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2022-11-25 23:16:03,878 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 52 [2022-11-25 23:16:03,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:03,879 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2022-11-25 23:16:03,879 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) [2022-11-25 23:16:03,879 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2022-11-25 23:16:03,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-25 23:16:03,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:03,880 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:16:03,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:04,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-25 23:16:04,087 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)] === [2022-11-25 23:16:04,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:04,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1013420238, now seen corresponding path program 2 times [2022-11-25 23:16:04,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:04,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413842627] [2022-11-25 23:16:04,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:04,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:04,297 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-25 23:16:04,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:16:04,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413842627] [2022-11-25 23:16:04,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413842627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:16:04,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:16:04,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:16:04,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679679436] [2022-11-25 23:16:04,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:16:04,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:16:04,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:04,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:16:04,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:16:04,300 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) [2022-11-25 23:16:04,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:04,406 INFO L93 Difference]: Finished difference Result 118 states and 133 transitions. [2022-11-25 23:16:04,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:16:04,406 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 [2022-11-25 23:16:04,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:04,407 INFO L225 Difference]: With dead ends: 118 [2022-11-25 23:16:04,407 INFO L226 Difference]: Without dead ends: 118 [2022-11-25 23:16:04,408 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 [2022-11-25 23:16:04,408 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 195 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-11-25 23:16:04,408 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] [2022-11-25 23:16:04,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-11-25 23:16:04,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 110. [2022-11-25 23:16:04,411 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) [2022-11-25 23:16:04,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2022-11-25 23:16:04,412 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 55 [2022-11-25 23:16:04,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:04,413 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2022-11-25 23:16:04,413 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) [2022-11-25 23:16:04,413 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2022-11-25 23:16:04,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-25 23:16:04,414 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:04,414 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] [2022-11-25 23:16:04,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 23:16:04,415 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)] === [2022-11-25 23:16:04,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:04,415 INFO L85 PathProgramCache]: Analyzing trace with hash -126966776, now seen corresponding path program 1 times [2022-11-25 23:16:04,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:04,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560819202] [2022-11-25 23:16:04,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:04,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:05,319 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-25 23:16:05,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:16:05,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560819202] [2022-11-25 23:16:05,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560819202] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:16:05,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238785158] [2022-11-25 23:16:05,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:05,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:05,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:05,323 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:16:05,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 23:16:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:05,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-25 23:16:05,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:16:05,636 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 [2022-11-25 23:16:05,659 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 23:16:05,659 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 [2022-11-25 23:16:05,683 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 [2022-11-25 23:16:05,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:05,712 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 [2022-11-25 23:16:05,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:05,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:05,749 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 [2022-11-25 23:16:05,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:05,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:05,765 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 [2022-11-25 23:16:05,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:05,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:05,781 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 [2022-11-25 23:16:05,826 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 [2022-11-25 23:16:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-25 23:16:05,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:16:05,971 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 [2022-11-25 23:16:06,044 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 9 refuted. 0 times theorem prover too weak. 31 trivial. 1 not checked. [2022-11-25 23:16:06,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238785158] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:16:06,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1256080734] [2022-11-25 23:16:06,046 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2022-11-25 23:16:06,047 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:16:06,047 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:16:06,047 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:16:06,047 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:16:06,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,069 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 [2022-11-25 23:16:06,092 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 [2022-11-25 23:16:06,099 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 [2022-11-25 23:16:06,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,107 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 [2022-11-25 23:16:06,124 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 [2022-11-25 23:16:06,131 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 19 treesize of output 1 [2022-11-25 23:16:06,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,141 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 [2022-11-25 23:16:06,158 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 [2022-11-25 23:16:06,164 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 [2022-11-25 23:16:06,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,176 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 [2022-11-25 23:16:06,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,203 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 [2022-11-25 23:16:06,216 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 [2022-11-25 23:16:06,225 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 [2022-11-25 23:16:06,243 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 [2022-11-25 23:16:06,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,261 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 [2022-11-25 23:16:06,274 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 [2022-11-25 23:16:06,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,356 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 [2022-11-25 23:16:06,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,477 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:16:06,478 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 [2022-11-25 23:16:06,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,503 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:06,504 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 [2022-11-25 23:16:06,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,523 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:06,524 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 1 case distinctions, treesize of input 311 treesize of output 302 [2022-11-25 23:16:06,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,611 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:06,612 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 [2022-11-25 23:16:06,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,659 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-25 23:16:06,660 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 [2022-11-25 23:16:06,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,683 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:06,684 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 [2022-11-25 23:16:06,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,773 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:06,773 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 [2022-11-25 23:16:06,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,826 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-25 23:16:06,827 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 [2022-11-25 23:16:06,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,854 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:06,854 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 [2022-11-25 23:16:06,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,949 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:16:06,949 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 [2022-11-25 23:16:06,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:06,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:06,988 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:16:06,988 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 [2022-11-25 23:16:07,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,024 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:16:07,024 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 [2022-11-25 23:16:07,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,154 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:16:07,154 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 [2022-11-25 23:16:07,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,201 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:16:07,202 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 [2022-11-25 23:16:07,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,236 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:16:07,237 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 [2022-11-25 23:16:07,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:07,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,436 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:16:07,437 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 [2022-11-25 23:16:07,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,482 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-25 23:16:07,483 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 [2022-11-25 23:16:07,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:07,517 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-25 23:16:07,518 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 [2022-11-25 23:16:07,863 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-25 23:16:07,864 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 [2022-11-25 23:16:08,079 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 [2022-11-25 23:16:08,088 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 [2022-11-25 23:16:08,092 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 [2022-11-25 23:16:08,101 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 [2022-11-25 23:16:08,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,107 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 [2022-11-25 23:16:08,114 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 [2022-11-25 23:16:08,122 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 [2022-11-25 23:16:08,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,130 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 [2022-11-25 23:16:08,137 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 [2022-11-25 23:16:08,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,151 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 [2022-11-25 23:16:08,158 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 [2022-11-25 23:16:08,166 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 [2022-11-25 23:16:08,177 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 [2022-11-25 23:16:08,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,188 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 [2022-11-25 23:16:08,197 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 [2022-11-25 23:16:08,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:08,230 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:16:08,231 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 [2022-11-25 23:16:08,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,247 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 [2022-11-25 23:16:08,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:08,268 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:16:08,268 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 [2022-11-25 23:16:08,294 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 [2022-11-25 23:16:08,300 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 [2022-11-25 23:16:08,311 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 [2022-11-25 23:16:08,316 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 [2022-11-25 23:16:08,321 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 [2022-11-25 23:16:08,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,332 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 [2022-11-25 23:16:08,338 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 [2022-11-25 23:16:08,343 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 [2022-11-25 23:16:08,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,357 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 [2022-11-25 23:16:08,364 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 [2022-11-25 23:16:08,369 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 [2022-11-25 23:16:08,380 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 [2022-11-25 23:16:08,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,393 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 [2022-11-25 23:16:08,402 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 [2022-11-25 23:16:08,414 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 [2022-11-25 23:16:08,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,424 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 [2022-11-25 23:16:08,433 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 [2022-11-25 23:16:08,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:08,469 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:16:08,470 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 [2022-11-25 23:16:08,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:08,484 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 [2022-11-25 23:16:08,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:08,508 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:16:08,508 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 [2022-11-25 23:16:08,650 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 [2022-11-25 23:16:08,655 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 [2022-11-25 23:16:08,665 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:16:11,195 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 [2022-11-25 23:16:11,195 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:16:11,195 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:16:11,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 20 [2022-11-25 23:16:11,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102167045] [2022-11-25 23:16:11,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:16:11,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-25 23:16:11,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:11,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-25 23:16:11,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=999, Unknown=8, NotChecked=66, Total=1260 [2022-11-25 23:16:11,198 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) [2022-11-25 23:16:11,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:11,930 INFO L93 Difference]: Finished difference Result 137 states and 151 transitions. [2022-11-25 23:16:11,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 23:16:11,930 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 [2022-11-25 23:16:11,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:11,931 INFO L225 Difference]: With dead ends: 137 [2022-11-25 23:16:11,931 INFO L226 Difference]: Without dead ends: 137 [2022-11-25 23:16:11,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 150 SyntacticMatches, 8 SemanticMatches, 47 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 794 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=375, Invalid=1876, Unknown=9, NotChecked=92, Total=2352 [2022-11-25 23:16:11,933 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 573 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:11,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 222 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 393 Invalid, 0 Unknown, 103 Unchecked, 0.3s Time] [2022-11-25 23:16:11,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-25 23:16:11,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 112. [2022-11-25 23:16:11,936 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) [2022-11-25 23:16:11,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 127 transitions. [2022-11-25 23:16:11,937 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 127 transitions. Word has length 59 [2022-11-25 23:16:11,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:11,937 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 127 transitions. [2022-11-25 23:16:11,937 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) [2022-11-25 23:16:11,937 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2022-11-25 23:16:11,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-25 23:16:11,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:11,939 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] [2022-11-25 23:16:11,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:12,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 23:16:12,140 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)] === [2022-11-25 23:16:12,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:12,140 INFO L85 PathProgramCache]: Analyzing trace with hash 499271650, now seen corresponding path program 1 times [2022-11-25 23:16:12,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:12,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077147311] [2022-11-25 23:16:12,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:12,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:13,673 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 23:16:13,673 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:16:13,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077147311] [2022-11-25 23:16:13,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077147311] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:16:13,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302355701] [2022-11-25 23:16:13,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:13,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:13,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:13,683 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:16:13,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 23:16:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:13,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-25 23:16:14,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:16:14,008 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 [2022-11-25 23:16:14,030 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 23:16:14,031 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 [2022-11-25 23:16:14,052 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 [2022-11-25 23:16:14,063 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 [2022-11-25 23:16:14,073 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 [2022-11-25 23:16:14,085 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 [2022-11-25 23:16:14,099 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 [2022-11-25 23:16:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-25 23:16:14,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:16:14,191 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 [2022-11-25 23:16:14,201 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 [2022-11-25 23:16:14,300 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:14,300 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 [2022-11-25 23:16:14,305 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 [2022-11-25 23:16:14,310 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 [2022-11-25 23:16:14,373 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 3 not checked. [2022-11-25 23:16:14,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302355701] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:16:14,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1356721363] [2022-11-25 23:16:14,375 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-25 23:16:14,376 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:16:14,376 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:16:14,376 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:16:14,376 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:16:14,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,421 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 [2022-11-25 23:16:14,444 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 [2022-11-25 23:16:14,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,454 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 [2022-11-25 23:16:14,463 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 [2022-11-25 23:16:14,478 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 [2022-11-25 23:16:14,487 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 [2022-11-25 23:16:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,500 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 [2022-11-25 23:16:14,527 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 [2022-11-25 23:16:14,536 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 [2022-11-25 23:16:14,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,549 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 [2022-11-25 23:16:14,580 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 [2022-11-25 23:16:14,589 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 [2022-11-25 23:16:14,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,606 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 [2022-11-25 23:16:14,633 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 [2022-11-25 23:16:14,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,651 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 [2022-11-25 23:16:14,666 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 [2022-11-25 23:16:14,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,758 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 [2022-11-25 23:16:14,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:14,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:14,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,883 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:16:14,883 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 [2022-11-25 23:16:14,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,905 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:14,905 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 [2022-11-25 23:16:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,927 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:14,928 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 [2022-11-25 23:16:14,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:14,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:14,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:14,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:14,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,017 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-25 23:16:15,017 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 [2022-11-25 23:16:15,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,044 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:15,045 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 [2022-11-25 23:16:15,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,062 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:15,062 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 [2022-11-25 23:16:15,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,150 INFO L321 Elim1Store]: treesize reduction 56, result has 13.8 percent of original size [2022-11-25 23:16:15,151 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 [2022-11-25 23:16:15,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,180 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:15,181 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 [2022-11-25 23:16:15,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,199 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:15,200 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 [2022-11-25 23:16:15,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,308 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:16:15,309 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 [2022-11-25 23:16:15,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,360 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:16:15,361 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 [2022-11-25 23:16:15,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,396 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:16:15,397 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 [2022-11-25 23:16:15,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,526 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:16:15,526 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 [2022-11-25 23:16:15,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,580 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:16:15,581 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 [2022-11-25 23:16:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,619 INFO L321 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-11-25 23:16:15,619 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 [2022-11-25 23:16:15,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,808 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-25 23:16:15,808 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 [2022-11-25 23:16:15,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:15,855 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:16:15,856 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 [2022-11-25 23:16:15,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:15,890 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-25 23:16:15,890 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 [2022-11-25 23:16:16,202 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-25 23:16:16,202 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 [2022-11-25 23:16:16,387 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 [2022-11-25 23:16:16,392 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 [2022-11-25 23:16:16,396 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 [2022-11-25 23:16:16,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,406 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 [2022-11-25 23:16:16,413 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 [2022-11-25 23:16:16,418 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 19 treesize of output 1 [2022-11-25 23:16:16,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,429 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 [2022-11-25 23:16:16,436 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 [2022-11-25 23:16:16,442 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 [2022-11-25 23:16:16,450 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 [2022-11-25 23:16:16,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,459 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 [2022-11-25 23:16:16,467 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 [2022-11-25 23:16:16,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,480 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 [2022-11-25 23:16:16,490 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 [2022-11-25 23:16:16,497 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 [2022-11-25 23:16:16,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:16,529 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:16:16,530 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 [2022-11-25 23:16:16,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,545 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 [2022-11-25 23:16:16,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:16,567 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:16:16,567 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 [2022-11-25 23:16:16,592 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 [2022-11-25 23:16:16,597 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 [2022-11-25 23:16:16,611 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 [2022-11-25 23:16:16,617 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 [2022-11-25 23:16:16,623 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 [2022-11-25 23:16:16,633 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 [2022-11-25 23:16:16,639 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 19 treesize of output 1 [2022-11-25 23:16:16,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,646 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 [2022-11-25 23:16:16,657 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 [2022-11-25 23:16:16,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,665 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 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-25 23:16:16,673 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 [2022-11-25 23:16:16,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,689 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 [2022-11-25 23:16:16,697 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 [2022-11-25 23:16:16,702 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 [2022-11-25 23:16:16,713 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 [2022-11-25 23:16:16,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,724 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 [2022-11-25 23:16:16,733 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 [2022-11-25 23:16:16,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:16,773 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:16:16,773 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 [2022-11-25 23:16:16,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:16,794 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:16:16,795 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 [2022-11-25 23:16:16,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:16,811 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 [2022-11-25 23:16:16,981 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 [2022-11-25 23:16:16,985 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 [2022-11-25 23:16:16,993 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:16:19,982 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 [2022-11-25 23:16:19,982 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:16:19,983 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:16:19,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 13] total 21 [2022-11-25 23:16:19,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441884233] [2022-11-25 23:16:19,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:16:19,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-25 23:16:19,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:19,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-25 23:16:19,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1113, Unknown=2, NotChecked=142, Total=1482 [2022-11-25 23:16:19,985 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) [2022-11-25 23:16:20,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:20,638 INFO L93 Difference]: Finished difference Result 137 states and 150 transitions. [2022-11-25 23:16:20,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 23:16:20,638 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 [2022-11-25 23:16:20,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:20,639 INFO L225 Difference]: With dead ends: 137 [2022-11-25 23:16:20,639 INFO L226 Difference]: Without dead ends: 137 [2022-11-25 23:16:20,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 156 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=403, Invalid=1859, Unknown=2, NotChecked=186, Total=2450 [2022-11-25 23:16:20,641 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 364 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:20,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 255 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 331 Invalid, 0 Unknown, 173 Unchecked, 0.3s Time] [2022-11-25 23:16:20,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-25 23:16:20,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 112. [2022-11-25 23:16:20,643 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) [2022-11-25 23:16:20,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 126 transitions. [2022-11-25 23:16:20,644 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 126 transitions. Word has length 60 [2022-11-25 23:16:20,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:20,644 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 126 transitions. [2022-11-25 23:16:20,644 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) [2022-11-25 23:16:20,644 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 126 transitions. [2022-11-25 23:16:20,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-25 23:16:20,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:20,645 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] [2022-11-25 23:16:20,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:20,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:20,846 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)] === [2022-11-25 23:16:20,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:20,846 INFO L85 PathProgramCache]: Analyzing trace with hash -2026538214, now seen corresponding path program 1 times [2022-11-25 23:16:20,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:20,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290789768] [2022-11-25 23:16:20,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:20,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:21,643 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-25 23:16:21,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:16:21,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290789768] [2022-11-25 23:16:21,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290789768] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:16:21,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539347342] [2022-11-25 23:16:21,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:21,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:16:21,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:21,647 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:16:21,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 23:16:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:21,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-25 23:16:21,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:16:21,978 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 [2022-11-25 23:16:22,050 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 23:16:22,051 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 [2022-11-25 23:16:22,106 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 [2022-11-25 23:16:22,138 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 [2022-11-25 23:16:22,164 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 23:16:22,164 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 [2022-11-25 23:16:22,262 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:22,263 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 [2022-11-25 23:16:22,318 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-25 23:16:22,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:16:22,711 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:22,712 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 [2022-11-25 23:16:22,720 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:22,721 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 [2022-11-25 23:16:22,725 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 [2022-11-25 23:16:22,763 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:22,764 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 [2022-11-25 23:16:22,776 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:22,776 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 [2022-11-25 23:16:22,781 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 [2022-11-25 23:16:23,005 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-25 23:16:23,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539347342] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:16:23,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [358620642] [2022-11-25 23:16:23,007 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-25 23:16:23,007 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:16:23,008 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:16:23,008 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:16:23,008 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:16:23,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,027 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 [2022-11-25 23:16:23,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,046 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 [2022-11-25 23:16:23,057 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 [2022-11-25 23:16:23,064 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 [2022-11-25 23:16:23,077 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 [2022-11-25 23:16:23,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,089 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 [2022-11-25 23:16:23,099 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 [2022-11-25 23:16:23,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,119 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 [2022-11-25 23:16:23,130 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 [2022-11-25 23:16:23,138 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 [2022-11-25 23:16:23,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,161 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 [2022-11-25 23:16:23,172 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 [2022-11-25 23:16:23,180 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 [2022-11-25 23:16:23,198 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 [2022-11-25 23:16:23,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,212 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 [2022-11-25 23:16:23,225 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 [2022-11-25 23:16:23,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,295 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 [2022-11-25 23:16:23,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,371 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:23,372 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 [2022-11-25 23:16:23,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:23,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,419 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-25 23:16:23,419 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 [2022-11-25 23:16:23,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,440 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:23,441 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 [2022-11-25 23:16:23,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:23,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:23,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,540 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-25 23:16:23,540 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 [2022-11-25 23:16:23,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,565 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:23,565 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 [2022-11-25 23:16:23,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,583 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:23,584 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 [2022-11-25 23:16:23,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,666 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:23,667 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 [2022-11-25 23:16:23,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:23,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:23,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:23,710 INFO L321 Elim1Store]: treesize reduction 54, result has 11.5 percent of original size [2022-11-25 23:16:23,711 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 [2022-11-25 23:16:23,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,730 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:16:23,731 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 [2022-11-25 23:16:23,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:23,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:23,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:23,828 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:16:23,828 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 [2022-11-25 23:16:23,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:23,865 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:16:23,866 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 [2022-11-25 23:16:23,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:23,896 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-25 23:16:23,896 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 [2022-11-25 23:16:23,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:23,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:23,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,004 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-25 23:16:24,005 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 [2022-11-25 23:16:24,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,056 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:16:24,056 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 [2022-11-25 23:16:24,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,089 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-25 23:16:24,089 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 [2022-11-25 23:16:24,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,293 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-25 23:16:24,293 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 [2022-11-25 23:16:24,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,342 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-25 23:16:24,343 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 [2022-11-25 23:16:24,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:24,385 INFO L321 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-11-25 23:16:24,386 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 [2022-11-25 23:16:24,726 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-25 23:16:24,727 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 555 treesize of output 556 [2022-11-25 23:16:24,905 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 [2022-11-25 23:16:24,910 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 [2022-11-25 23:16:24,914 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 [2022-11-25 23:16:24,923 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 [2022-11-25 23:16:24,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,930 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 [2022-11-25 23:16:24,935 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 [2022-11-25 23:16:24,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,948 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 [2022-11-25 23:16:24,955 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 [2022-11-25 23:16:24,959 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 [2022-11-25 23:16:24,969 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 [2022-11-25 23:16:24,975 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 [2022-11-25 23:16:24,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:24,984 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 [2022-11-25 23:16:24,997 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 [2022-11-25 23:16:25,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,012 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 [2022-11-25 23:16:25,021 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 [2022-11-25 23:16:25,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:25,056 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:16:25,056 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 38 [2022-11-25 23:16:25,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,072 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 [2022-11-25 23:16:25,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:25,093 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:16:25,093 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 [2022-11-25 23:16:25,117 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 [2022-11-25 23:16:25,123 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 [2022-11-25 23:16:25,144 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 [2022-11-25 23:16:25,148 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 [2022-11-25 23:16:25,154 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 [2022-11-25 23:16:25,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,165 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 [2022-11-25 23:16:25,171 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 [2022-11-25 23:16:25,177 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 [2022-11-25 23:16:25,187 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 [2022-11-25 23:16:25,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,195 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 [2022-11-25 23:16:25,202 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 [2022-11-25 23:16:25,212 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 [2022-11-25 23:16:25,218 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 [2022-11-25 23:16:25,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,259 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 [2022-11-25 23:16:25,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,277 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 [2022-11-25 23:16:25,285 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 [2022-11-25 23:16:25,292 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 [2022-11-25 23:16:25,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:25,327 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-25 23:16:25,327 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 [2022-11-25 23:16:25,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:16:25,340 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 [2022-11-25 23:16:25,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:16:25,362 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-25 23:16:25,362 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 [2022-11-25 23:16:25,506 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 [2022-11-25 23:16:25,512 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 [2022-11-25 23:16:25,519 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:16:29,096 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 [2022-11-25 23:16:29,096 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-25 23:16:29,096 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:16:29,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 28 [2022-11-25 23:16:29,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233326812] [2022-11-25 23:16:29,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 23:16:29,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-25 23:16:29,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:16:29,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-25 23:16:29,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=1833, Unknown=4, NotChecked=0, Total=2070 [2022-11-25 23:16:29,099 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) [2022-11-25 23:16:30,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:30,377 INFO L93 Difference]: Finished difference Result 127 states and 136 transitions. [2022-11-25 23:16:30,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 23:16:30,378 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 [2022-11-25 23:16:30,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:30,379 INFO L225 Difference]: With dead ends: 127 [2022-11-25 23:16:30,379 INFO L226 Difference]: Without dead ends: 124 [2022-11-25 23:16:30,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 146 SyntacticMatches, 6 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1153 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=507, Invalid=3271, Unknown=4, NotChecked=0, Total=3782 [2022-11-25 23:16:30,381 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 643 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:16:30,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 344 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 23:16:30,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-25 23:16:30,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 102. [2022-11-25 23:16:30,384 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) [2022-11-25 23:16:30,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 112 transitions. [2022-11-25 23:16:30,384 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 112 transitions. Word has length 61 [2022-11-25 23:16:30,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:30,385 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 112 transitions. [2022-11-25 23:16:30,385 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) [2022-11-25 23:16:30,385 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 112 transitions. [2022-11-25 23:16:30,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-25 23:16:30,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:30,386 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] [2022-11-25 23:16:30,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:30,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-25 23:16:30,593 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)] === [2022-11-25 23:16:30,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:30,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1702314332, now seen corresponding path program 1 times [2022-11-25 23:16:30,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:30,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246035371] [2022-11-25 23:16:30,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:30,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:16:30,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:16:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:16:30,807 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 23:16:30,807 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:16:30,808 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK (34 of 35 remaining) [2022-11-25 23:16:30,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 35 remaining) [2022-11-25 23:16:30,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 35 remaining) [2022-11-25 23:16:30,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 35 remaining) [2022-11-25 23:16:30,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 35 remaining) [2022-11-25 23:16:30,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 35 remaining) [2022-11-25 23:16:30,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 35 remaining) [2022-11-25 23:16:30,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 35 remaining) [2022-11-25 23:16:30,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 35 remaining) [2022-11-25 23:16:30,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 35 remaining) [2022-11-25 23:16:30,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 35 remaining) [2022-11-25 23:16:30,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 35 remaining) [2022-11-25 23:16:30,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 35 remaining) [2022-11-25 23:16:30,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 35 remaining) [2022-11-25 23:16:30,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 35 remaining) [2022-11-25 23:16:30,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 35 remaining) [2022-11-25 23:16:30,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 35 remaining) [2022-11-25 23:16:30,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 35 remaining) [2022-11-25 23:16:30,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 35 remaining) [2022-11-25 23:16:30,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 35 remaining) [2022-11-25 23:16:30,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 35 remaining) [2022-11-25 23:16:30,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 35 remaining) [2022-11-25 23:16:30,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 35 remaining) [2022-11-25 23:16:30,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 35 remaining) [2022-11-25 23:16:30,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 35 remaining) [2022-11-25 23:16:30,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 35 remaining) [2022-11-25 23:16:30,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 35 remaining) [2022-11-25 23:16:30,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 35 remaining) [2022-11-25 23:16:30,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 35 remaining) [2022-11-25 23:16:30,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 35 remaining) [2022-11-25 23:16:30,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 35 remaining) [2022-11-25 23:16:30,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_FREE (3 of 35 remaining) [2022-11-25 23:16:30,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE (2 of 35 remaining) [2022-11-25 23:16:30,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_FREE (1 of 35 remaining) [2022-11-25 23:16:30,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK (0 of 35 remaining) [2022-11-25 23:16:30,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 23:16:30,823 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:16:30,829 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:16:30,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:16:30 BoogieIcfgContainer [2022-11-25 23:16:30,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:16:30,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:16:30,919 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:16:30,920 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:16:30,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:15:27" (3/4) ... [2022-11-25 23:16:30,922 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 23:16:31,009 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:16:31,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:16:31,010 INFO L158 Benchmark]: Toolchain (without parser) took 65033.33ms. Allocated memory was 169.9MB in the beginning and 775.9MB in the end (delta: 606.1MB). Free memory was 137.9MB in the beginning and 515.9MB in the end (delta: -378.0MB). Peak memory consumption was 226.8MB. Max. memory is 16.1GB. [2022-11-25 23:16:31,011 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:16:31,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.15ms. Allocated memory is still 169.9MB. Free memory was 137.9MB in the beginning and 129.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 23:16:31,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.44ms. Allocated memory is still 169.9MB. Free memory was 129.1MB in the beginning and 126.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:16:31,012 INFO L158 Benchmark]: Boogie Preprocessor took 30.86ms. Allocated memory is still 169.9MB. Free memory was 126.9MB in the beginning and 124.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:16:31,012 INFO L158 Benchmark]: RCFGBuilder took 679.43ms. Allocated memory is still 169.9MB. Free memory was 124.9MB in the beginning and 101.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 23:16:31,013 INFO L158 Benchmark]: TraceAbstraction took 63641.77ms. Allocated memory was 169.9MB in the beginning and 775.9MB in the end (delta: 606.1MB). Free memory was 101.9MB in the beginning and 521.1MB in the end (delta: -419.3MB). Peak memory consumption was 188.7MB. Max. memory is 16.1GB. [2022-11-25 23:16:31,018 INFO L158 Benchmark]: Witness Printer took 90.81ms. Allocated memory is still 775.9MB. Free memory was 521.1MB in the beginning and 515.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:16:31,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.15ms. Allocated memory is still 169.9MB. Free memory was 137.9MB in the beginning and 129.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.44ms. Allocated memory is still 169.9MB. Free memory was 129.1MB in the beginning and 126.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.86ms. Allocated memory is still 169.9MB. Free memory was 126.9MB in the beginning and 124.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 679.43ms. Allocated memory is still 169.9MB. Free memory was 124.9MB in the beginning and 101.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 63641.77ms. Allocated memory was 169.9MB in the beginning and 775.9MB in the end (delta: 606.1MB). Free memory was 101.9MB in the beginning and 521.1MB in the end (delta: -419.3MB). Peak memory consumption was 188.7MB. Max. memory is 16.1GB. * Witness Printer took 90.81ms. Allocated memory is still 775.9MB. Free memory was 521.1MB in the beginning and 515.9MB in the end (delta: 5.2MB). 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: 63.5s, OverallIterations: 16, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2769 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2769 mSDsluCounter, 2000 SdHoareTripleChecker+Invalid, 3.8s 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1122 GetRequests, 844 SyntacticMatches, 20 SemanticMatches, 258 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 2929 ImplicationChecksByTransitivity, 25.3s 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: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.3s 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: 6.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 26, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 63, TOOLS_POST_TIME: 5.8s, 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: 5.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, 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: 0.1s, 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: 3.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 3.5s, 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! [2022-11-25 23:16:31,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4010a64-1cd7-4921-b4c7-2a07ce228eff/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)