./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f08d75c904d21d6573220c7737d451cd978e8a22a153e855f8d685d88a1eb60 --- 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-b5237d8 [2022-11-22 01:34:28,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:34:28,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:34:28,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:34:28,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:34:28,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:34:28,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:34:28,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:34:28,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:34:28,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:34:28,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:34:28,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:34:28,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:34:28,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:34:28,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:34:28,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:34:28,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:34:28,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:34:28,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:34:28,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:34:28,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:34:28,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:34:28,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:34:28,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:34:28,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:34:28,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:34:28,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:34:28,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:34:28,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:34:28,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:34:28,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:34:28,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:34:28,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:34:28,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:34:28,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:34:28,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:34:28,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:34:28,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:34:28,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:34:28,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:34:28,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:34:28,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:34:28,981 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:34:28,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:34:28,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:34:28,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:34:28,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:34:28,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:34:28,983 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:34:28,983 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:34:28,983 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:34:28,984 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:34:28,984 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:34:28,984 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:34:28,984 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:34:28,984 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:34:28,984 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:34:28,985 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:34:28,985 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:34:28,985 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:34:28,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:34:28,986 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:34:28,986 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:34:28,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:34:28,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:34:28,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:34:28,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:34:28,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:34:28,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:34:28,987 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:34:28,988 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:34:28,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:34:28,988 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:34:28,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:34:28,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:34:28,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:34:28,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:34:28,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:34:28,989 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:34:28,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:34:28,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:34:28,990 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:34:28,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:34:28,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:34:28,990 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:34:28,990 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_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f08d75c904d21d6573220c7737d451cd978e8a22a153e855f8d685d88a1eb60 [2022-11-22 01:34:29,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:34:29,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:34:29,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:34:29,304 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:34:29,305 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:34:29,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i [2022-11-22 01:34:32,303 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:34:32,594 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:34:32,595 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i [2022-11-22 01:34:32,608 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/data/f107a753b/6938f9ced6584dcc89918c9acd3a2412/FLAG5ee82cc49 [2022-11-22 01:34:32,623 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/data/f107a753b/6938f9ced6584dcc89918c9acd3a2412 [2022-11-22 01:34:32,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:34:32,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:34:32,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:34:32,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:34:32,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:34:32,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:34:32" (1/1) ... [2022-11-22 01:34:32,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8f4d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:32, skipping insertion in model container [2022-11-22 01:34:32,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:34:32" (1/1) ... [2022-11-22 01:34:32,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:34:32,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:34:33,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:34:33,161 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:34:33,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:34:33,304 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:34:33,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:33 WrapperNode [2022-11-22 01:34:33,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:34:33,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:34:33,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:34:33,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:34:33,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:33" (1/1) ... [2022-11-22 01:34:33,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:33" (1/1) ... [2022-11-22 01:34:33,365 INFO L138 Inliner]: procedures = 174, calls = 145, calls flagged for inlining = 33, calls inlined = 20, statements flattened = 320 [2022-11-22 01:34:33,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:34:33,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:34:33,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:34:33,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:34:33,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:33" (1/1) ... [2022-11-22 01:34:33,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:33" (1/1) ... [2022-11-22 01:34:33,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:33" (1/1) ... [2022-11-22 01:34:33,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:33" (1/1) ... [2022-11-22 01:34:33,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:33" (1/1) ... [2022-11-22 01:34:33,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:33" (1/1) ... [2022-11-22 01:34:33,403 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:33" (1/1) ... [2022-11-22 01:34:33,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:33" (1/1) ... [2022-11-22 01:34:33,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:34:33,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:34:33,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:34:33,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:34:33,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:33" (1/1) ... [2022-11-22 01:34:33,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:34:33,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:34:33,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:34:33,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:34:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:34:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:34:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:34:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:34:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:34:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:34:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2022-11-22 01:34:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2022-11-22 01:34:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2022-11-22 01:34:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2022-11-22 01:34:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:34:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:34:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:34:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:34:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:34:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2022-11-22 01:34:33,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2022-11-22 01:34:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:34:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:34:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:34:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:34:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:34:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:34:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:34:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:34:33,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:34:33,772 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:34:33,774 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:34:34,359 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:34:34,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:34:34,481 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:34:34,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:34:34 BoogieIcfgContainer [2022-11-22 01:34:34,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:34:34,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:34:34,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:34:34,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:34:34,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:34:32" (1/3) ... [2022-11-22 01:34:34,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4e7944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:34:34, skipping insertion in model container [2022-11-22 01:34:34,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:33" (2/3) ... [2022-11-22 01:34:34,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4e7944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:34:34, skipping insertion in model container [2022-11-22 01:34:34,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:34:34" (3/3) ... [2022-11-22 01:34:34,504 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test12-2.i [2022-11-22 01:34:34,524 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:34:34,524 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 01:34:34,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:34:34,601 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@71b5197d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:34:34,602 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 01:34:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 55 states have (on average 1.4) internal successors, (77), 59 states have internal predecessors, (77), 15 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-22 01:34:34,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-22 01:34:34,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:34,623 INFO L195 NwaCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:34,624 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 01:34:34,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:34,632 INFO L85 PathProgramCache]: Analyzing trace with hash 575094909, now seen corresponding path program 1 times [2022-11-22 01:34:34,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:34,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399582831] [2022-11-22 01:34:34,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:34,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:35,543 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-22 01:34:35,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:35,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399582831] [2022-11-22 01:34:35,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399582831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:35,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:35,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:34:35,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044481054] [2022-11-22 01:34:35,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:35,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:35,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:35,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:35,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:35,584 INFO L87 Difference]: Start difference. First operand has 78 states, 55 states have (on average 1.4) internal successors, (77), 59 states have internal predecessors, (77), 15 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 01:34:35,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:35,803 INFO L93 Difference]: Finished difference Result 179 states and 237 transitions. [2022-11-22 01:34:35,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:34:35,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 56 [2022-11-22 01:34:35,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:35,814 INFO L225 Difference]: With dead ends: 179 [2022-11-22 01:34:35,814 INFO L226 Difference]: Without dead ends: 54 [2022-11-22 01:34:35,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:34:35,821 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 71 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:35,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 305 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:34:35,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-22 01:34:35,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-22 01:34:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 37 states have internal predecessors, (42), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-22 01:34:35,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2022-11-22 01:34:35,863 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 56 [2022-11-22 01:34:35,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:35,865 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2022-11-22 01:34:35,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 01:34:35,866 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-11-22 01:34:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-22 01:34:35,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:35,868 INFO L195 NwaCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:35,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:34:35,869 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 01:34:35,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:35,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1719740587, now seen corresponding path program 1 times [2022-11-22 01:34:35,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:35,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885622088] [2022-11-22 01:34:35,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:35,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-22 01:34:36,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:36,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885622088] [2022-11-22 01:34:36,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885622088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:36,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:36,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:34:36,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592858346] [2022-11-22 01:34:36,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:36,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:36,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:36,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:36,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:36,115 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 01:34:36,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:36,201 INFO L93 Difference]: Finished difference Result 103 states and 125 transitions. [2022-11-22 01:34:36,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:34:36,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 59 [2022-11-22 01:34:36,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:36,204 INFO L225 Difference]: With dead ends: 103 [2022-11-22 01:34:36,204 INFO L226 Difference]: Without dead ends: 67 [2022-11-22 01:34:36,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:34:36,206 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 11 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:36,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 175 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:34:36,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-22 01:34:36,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 54. [2022-11-22 01:34:36,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 37 states have internal predecessors, (41), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-22 01:34:36,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2022-11-22 01:34:36,217 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 59 [2022-11-22 01:34:36,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:36,218 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2022-11-22 01:34:36,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 01:34:36,218 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2022-11-22 01:34:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-22 01:34:36,220 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:36,220 INFO L195 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:36,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:34:36,221 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 01:34:36,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:36,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1276627394, now seen corresponding path program 1 times [2022-11-22 01:34:36,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:36,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361229926] [2022-11-22 01:34:36,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:36,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:36,428 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-22 01:34:36,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:36,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361229926] [2022-11-22 01:34:36,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361229926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:36,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:36,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:34:36,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004638968] [2022-11-22 01:34:36,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:36,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:36,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:36,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:36,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:36,433 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-22 01:34:36,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:36,546 INFO L93 Difference]: Finished difference Result 89 states and 104 transitions. [2022-11-22 01:34:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:34:36,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 65 [2022-11-22 01:34:36,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:36,548 INFO L225 Difference]: With dead ends: 89 [2022-11-22 01:34:36,548 INFO L226 Difference]: Without dead ends: 54 [2022-11-22 01:34:36,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:34:36,549 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 1 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:36,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 165 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:34:36,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-22 01:34:36,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-22 01:34:36,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-22 01:34:36,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2022-11-22 01:34:36,557 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 65 [2022-11-22 01:34:36,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:36,557 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2022-11-22 01:34:36,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-22 01:34:36,561 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2022-11-22 01:34:36,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-22 01:34:36,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:36,564 INFO L195 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:36,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:34:36,564 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 01:34:36,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:36,565 INFO L85 PathProgramCache]: Analyzing trace with hash 993153249, now seen corresponding path program 1 times [2022-11-22 01:34:36,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:36,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528969488] [2022-11-22 01:34:36,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:36,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-22 01:34:36,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:36,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528969488] [2022-11-22 01:34:36,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528969488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:36,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:36,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:34:36,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425680771] [2022-11-22 01:34:36,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:36,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:34:36,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:36,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:34:36,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:34:36,872 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:34:36,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:36,957 INFO L93 Difference]: Finished difference Result 77 states and 92 transitions. [2022-11-22 01:34:36,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:34:36,958 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 69 [2022-11-22 01:34:36,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:36,959 INFO L225 Difference]: With dead ends: 77 [2022-11-22 01:34:36,960 INFO L226 Difference]: Without dead ends: 75 [2022-11-22 01:34:36,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:34:36,961 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 3 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:36,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 163 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:34:36,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-22 01:34:36,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-11-22 01:34:36,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 53 states have internal predecessors, (56), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-22 01:34:36,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 90 transitions. [2022-11-22 01:34:36,972 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 90 transitions. Word has length 69 [2022-11-22 01:34:36,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:36,973 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 90 transitions. [2022-11-22 01:34:36,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:34:36,973 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions. [2022-11-22 01:34:36,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-22 01:34:36,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:36,975 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:36,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:34:36,975 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 01:34:36,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:36,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1016023365, now seen corresponding path program 1 times [2022-11-22 01:34:36,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:36,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189350229] [2022-11-22 01:34:36,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:36,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:37,392 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-22 01:34:37,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:37,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189350229] [2022-11-22 01:34:37,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189350229] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:34:37,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632049386] [2022-11-22 01:34:37,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:37,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:34:37,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:34:37,397 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:34:37,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:34:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:37,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:34:37,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:34:38,032 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-22 01:34:38,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:34:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-22 01:34:38,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632049386] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:34:38,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1217093018] [2022-11-22 01:34:38,235 INFO L159 IcfgInterpreter]: Started Sifa with 53 locations of interest [2022-11-22 01:34:38,236 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:34:38,251 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:34:38,262 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:34:38,263 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:34:38,453 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 [2022-11-22 01:34:38,465 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 8 treesize of output 7 [2022-11-22 01:34:38,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:38,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:38,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:38,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:38,954 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 [2022-11-22 01:34:38,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:34:38,984 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 01:34:38,984 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 155 treesize of output 151 [2022-11-22 01:34:39,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:34:39,023 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 01:34:39,024 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 147 treesize of output 139 [2022-11-22 01:34:39,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:39,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:39,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:39,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:39,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:39,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:39,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:39,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:39,693 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 [2022-11-22 01:34:39,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 01:34:39,704 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 [2022-11-22 01:34:39,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:39,789 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 121 treesize of output 116 [2022-11-22 01:34:39,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:39,802 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 121 treesize of output 116 [2022-11-22 01:34:39,829 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 [2022-11-22 01:34:39,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:40,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:40,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:40,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:40,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:40,260 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 35 treesize of output 9 [2022-11-22 01:34:40,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:40,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:40,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:34:40,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:40,318 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 01:34:40,319 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 2 case distinctions, treesize of input 195 treesize of output 180 [2022-11-22 01:34:40,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:40,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:34:40,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:40,376 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 01:34:40,376 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 2 case distinctions, treesize of input 187 treesize of output 172 [2022-11-22 01:34:40,414 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:34:40,415 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 1 case distinctions, treesize of input 154 treesize of output 156 [2022-11-22 01:34:40,452 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 01:34:40,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 159 treesize of output 159 [2022-11-22 01:34:41,389 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:34:41,390 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 609 treesize of output 599 [2022-11-22 01:34:41,420 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:34:41,421 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 601 treesize of output 591 [2022-11-22 01:34:42,310 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:34:42,311 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 609 treesize of output 599 [2022-11-22 01:34:42,347 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:34:42,347 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 601 treesize of output 591 [2022-11-22 01:34:43,358 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memcpy with input of size 30 for LOIs [2022-11-22 01:34:43,363 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 18 for LOIs [2022-11-22 01:34:43,380 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 8 treesize of output 7 [2022-11-22 01:34:43,387 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 [2022-11-22 01:34:43,396 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:34:47,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1217093018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:47,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:34:47,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [5, 5, 5] total 35 [2022-11-22 01:34:47,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435468481] [2022-11-22 01:34:47,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:47,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-22 01:34:47,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:47,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-22 01:34:47,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1083, Unknown=0, NotChecked=0, Total=1190 [2022-11-22 01:34:47,437 INFO L87 Difference]: Start difference. First operand 75 states and 90 transitions. Second operand has 25 states, 17 states have (on average 2.176470588235294) internal successors, (37), 16 states have internal predecessors, (37), 8 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2022-11-22 01:34:49,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:49,856 INFO L93 Difference]: Finished difference Result 136 states and 159 transitions. [2022-11-22 01:34:49,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-22 01:34:49,867 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 17 states have (on average 2.176470588235294) internal successors, (37), 16 states have internal predecessors, (37), 8 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) Word has length 102 [2022-11-22 01:34:49,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:49,873 INFO L225 Difference]: With dead ends: 136 [2022-11-22 01:34:49,873 INFO L226 Difference]: Without dead ends: 81 [2022-11-22 01:34:49,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=139, Invalid=1583, Unknown=0, NotChecked=0, Total=1722 [2022-11-22 01:34:49,875 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 33 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:49,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 281 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 01:34:49,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-22 01:34:49,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-11-22 01:34:49,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 56 states have internal predecessors, (60), 17 states have call successors, (17), 7 states have call predecessors, (17), 6 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-22 01:34:49,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2022-11-22 01:34:49,907 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 102 [2022-11-22 01:34:49,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:49,907 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2022-11-22 01:34:49,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 17 states have (on average 2.176470588235294) internal successors, (37), 16 states have internal predecessors, (37), 8 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2022-11-22 01:34:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2022-11-22 01:34:49,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-22 01:34:49,916 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:49,917 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:34:49,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:34:50,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:34:50,125 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 01:34:50,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:50,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2101359749, now seen corresponding path program 1 times [2022-11-22 01:34:50,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:50,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863092402] [2022-11-22 01:34:50,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:50,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-22 01:34:50,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:50,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863092402] [2022-11-22 01:34:50,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863092402] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:34:50,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783644561] [2022-11-22 01:34:50,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:50,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:34:50,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:34:50,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:34:50,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:34:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:50,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:34:50,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:34:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-22 01:34:51,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:34:51,194 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-22 01:34:51,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783644561] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:34:51,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1483719634] [2022-11-22 01:34:51,200 INFO L159 IcfgInterpreter]: Started Sifa with 53 locations of interest [2022-11-22 01:34:51,200 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:34:51,201 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:34:51,201 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:34:51,201 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:34:51,265 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 [2022-11-22 01:34:51,269 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 8 treesize of output 7 [2022-11-22 01:34:51,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:51,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:51,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:51,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:51,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 01:34:51,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:34:51,524 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 01:34:51,524 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 155 treesize of output 151 [2022-11-22 01:34:51,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:34:51,546 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 01:34:51,547 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 147 treesize of output 139 [2022-11-22 01:34:51,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:51,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:51,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:51,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:51,865 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 [2022-11-22 01:34:51,872 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 [2022-11-22 01:34:51,878 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 [2022-11-22 01:34:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:51,947 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 121 treesize of output 116 [2022-11-22 01:34:51,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:51,958 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 121 treesize of output 116 [2022-11-22 01:34:51,981 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 [2022-11-22 01:34:52,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:52,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:52,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:52,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:34:52,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:52,361 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 35 treesize of output 9 [2022-11-22 01:34:52,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:52,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:34:52,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:52,414 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 01:34:52,414 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 2 case distinctions, treesize of input 195 treesize of output 180 [2022-11-22 01:34:52,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:52,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:52,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:34:52,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:34:52,467 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 01:34:52,468 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 2 case distinctions, treesize of input 187 treesize of output 172 [2022-11-22 01:34:52,503 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 01:34:52,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 159 treesize of output 159 [2022-11-22 01:34:52,543 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:34:52,543 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 1 case distinctions, treesize of input 154 treesize of output 156 [2022-11-22 01:34:53,036 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:34:53,037 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 316 treesize of output 310 [2022-11-22 01:34:53,060 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:34:53,060 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 312 treesize of output 306 [2022-11-22 01:34:53,512 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:34:53,512 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 316 treesize of output 310 [2022-11-22 01:34:53,534 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:34:53,534 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 312 treesize of output 306 [2022-11-22 01:34:53,762 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 21 treesize of output 1 [2022-11-22 01:34:53,771 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 21 treesize of output 1 [2022-11-22 01:34:53,786 INFO L321 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2022-11-22 01:34:53,786 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 72 [2022-11-22 01:34:53,822 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 21 treesize of output 1 [2022-11-22 01:34:53,834 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 21 treesize of output 1 [2022-11-22 01:34:53,857 INFO L321 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2022-11-22 01:34:53,857 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 72 [2022-11-22 01:34:54,540 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memcpy with input of size 45 for LOIs [2022-11-22 01:34:54,847 INFO L321 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2022-11-22 01:34:54,847 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 72 [2022-11-22 01:34:54,871 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 21 treesize of output 1 [2022-11-22 01:34:54,887 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 21 treesize of output 1 [2022-11-22 01:34:54,894 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 18 for LOIs [2022-11-22 01:34:54,910 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 [2022-11-22 01:34:54,916 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 8 treesize of output 7 [2022-11-22 01:34:54,923 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:34:59,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1483719634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:59,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:34:59,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [5, 5, 5] total 36 [2022-11-22 01:34:59,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880131283] [2022-11-22 01:34:59,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:59,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-22 01:34:59,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:59,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-22 01:34:59,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1151, Unknown=0, NotChecked=0, Total=1260 [2022-11-22 01:34:59,440 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand has 26 states, 18 states have (on average 2.111111111111111) internal successors, (38), 17 states have internal predecessors, (38), 8 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2022-11-22 01:35:02,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:35:02,136 INFO L93 Difference]: Finished difference Result 142 states and 165 transitions. [2022-11-22 01:35:02,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-22 01:35:02,137 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 18 states have (on average 2.111111111111111) internal successors, (38), 17 states have internal predecessors, (38), 8 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) Word has length 103 [2022-11-22 01:35:02,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:35:02,138 INFO L225 Difference]: With dead ends: 142 [2022-11-22 01:35:02,138 INFO L226 Difference]: Without dead ends: 85 [2022-11-22 01:35:02,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 275 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=145, Invalid=1747, Unknown=0, NotChecked=0, Total=1892 [2022-11-22 01:35:02,141 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 37 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:35:02,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 282 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-22 01:35:02,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-22 01:35:02,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-11-22 01:35:02,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 59 states have (on average 1.1016949152542372) internal successors, (65), 60 states have internal predecessors, (65), 17 states have call successors, (17), 7 states have call predecessors, (17), 7 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-22 01:35:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 99 transitions. [2022-11-22 01:35:02,162 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 99 transitions. Word has length 103 [2022-11-22 01:35:02,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:35:02,163 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 99 transitions. [2022-11-22 01:35:02,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 18 states have (on average 2.111111111111111) internal successors, (38), 17 states have internal predecessors, (38), 8 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2022-11-22 01:35:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2022-11-22 01:35:02,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-22 01:35:02,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:35:02,164 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:35:02,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:35:02,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-22 01:35:02,372 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 01:35:02,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:35:02,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1984712569, now seen corresponding path program 1 times [2022-11-22 01:35:02,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:35:02,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327959350] [2022-11-22 01:35:02,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:02,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:35:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:02,748 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-22 01:35:02,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:35:02,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327959350] [2022-11-22 01:35:02,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327959350] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:35:02,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165823974] [2022-11-22 01:35:02,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:02,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:35:02,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:35:02,751 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:35:02,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41623e34-e948-43e3-8c5b-3108af0cb706/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:35:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:03,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:35:03,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:35:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-22 01:35:03,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:35:03,445 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-22 01:35:03,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165823974] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:35:03,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [44768079] [2022-11-22 01:35:03,453 INFO L159 IcfgInterpreter]: Started Sifa with 53 locations of interest [2022-11-22 01:35:03,453 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:35:03,455 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:35:03,455 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:35:03,455 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:35:03,510 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 [2022-11-22 01:35:03,514 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 8 treesize of output 7 [2022-11-22 01:35:03,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:03,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:03,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:03,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:03,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:03,775 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 01:35:03,776 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 155 treesize of output 151 [2022-11-22 01:35:03,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:03,794 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 01:35:03,795 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 147 treesize of output 139 [2022-11-22 01:35:03,837 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 [2022-11-22 01:35:03,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:03,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:03,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:03,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:04,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:04,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:04,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:04,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:04,245 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 [2022-11-22 01:35:04,250 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 [2022-11-22 01:35:04,254 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 [2022-11-22 01:35:04,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:04,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 116 [2022-11-22 01:35:04,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:04,330 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 121 treesize of output 116 [2022-11-22 01:35:04,350 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 [2022-11-22 01:35:04,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:04,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:04,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:04,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:35:04,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:04,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:04,702 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 01:35:04,702 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 2 case distinctions, treesize of input 195 treesize of output 180 [2022-11-22 01:35:04,735 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 01:35:04,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 167 treesize of output 167 [2022-11-22 01:35:04,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:04,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:04,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:04,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:04,784 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 01:35:04,785 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 2 case distinctions, treesize of input 187 treesize of output 172 [2022-11-22 01:35:04,815 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:35:04,816 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 1 case distinctions, treesize of input 154 treesize of output 156 [2022-11-22 01:35:04,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:04,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-22 01:35:05,306 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:35:05,307 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 316 treesize of output 310 [2022-11-22 01:35:05,329 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:35:05,330 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 312 treesize of output 306 [2022-11-22 01:35:05,724 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:35:05,724 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 316 treesize of output 310 [2022-11-22 01:35:05,747 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:35:05,748 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 312 treesize of output 306 [2022-11-22 01:35:05,971 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 [2022-11-22 01:35:05,983 INFO L321 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-11-22 01:35:05,984 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 66 [2022-11-22 01:35:06,001 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 [2022-11-22 01:35:06,019 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 21 treesize of output 1 [2022-11-22 01:35:06,033 INFO L321 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2022-11-22 01:35:06,033 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 72 [2022-11-22 01:35:06,058 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 21 treesize of output 1 [2022-11-22 01:35:06,078 INFO L321 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2022-11-22 01:35:06,078 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2022-11-22 01:35:06,084 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 21 treesize of output 1 [2022-11-22 01:35:06,100 INFO L321 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2022-11-22 01:35:06,101 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2022-11-22 01:35:06,117 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 21 treesize of output 1 [2022-11-22 01:35:06,171 INFO L321 Elim1Store]: treesize reduction 74, result has 29.5 percent of original size [2022-11-22 01:35:06,172 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 4 case distinctions, treesize of input 97 treesize of output 112 [2022-11-22 01:35:06,228 INFO L321 Elim1Store]: treesize reduction 74, result has 29.5 percent of original size [2022-11-22 01:35:06,229 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 4 case distinctions, treesize of input 90 treesize of output 105 [2022-11-22 01:35:06,279 INFO L321 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2022-11-22 01:35:06,279 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2022-11-22 01:35:06,285 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 21 treesize of output 1 [2022-11-22 01:35:06,302 INFO L321 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2022-11-22 01:35:06,302 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2022-11-22 01:35:06,635 INFO L321 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2022-11-22 01:35:06,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 40 treesize of output 37 [2022-11-22 01:35:06,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:06,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2022-11-22 01:35:06,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:06,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-22 01:35:06,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:06,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-22 01:35:06,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-22 01:35:07,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 16 treesize of output 10 [2022-11-22 01:35:07,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 16 treesize of output 10 [2022-11-22 01:35:07,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 16 treesize of output 10 [2022-11-22 01:35:07,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 16 treesize of output 10 [2022-11-22 01:35:08,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:08,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,402 INFO L321 Elim1Store]: treesize reduction 454, result has 9.4 percent of original size [2022-11-22 01:35:08,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 10 new quantified variables, introduced 34 case distinctions, treesize of input 965 treesize of output 871 [2022-11-22 01:35:08,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:08,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:08,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,635 INFO L321 Elim1Store]: treesize reduction 446, result has 9.2 percent of original size [2022-11-22 01:35:08,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 10 new quantified variables, introduced 34 case distinctions, treesize of input 957 treesize of output 863 [2022-11-22 01:35:08,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:08,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:08,763 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-11-22 01:35:08,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 953 treesize of output 925 [2022-11-22 01:35:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:17,990 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 22 treesize of output 7 [2022-11-22 01:35:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:17,994 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 16 treesize of output 17 [2022-11-22 01:35:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:17,999 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 16 treesize of output 17 [2022-11-22 01:35:18,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:18,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:18,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:18,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:18,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:18,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:18,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:18,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:18,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:18,857 INFO L321 Elim1Store]: treesize reduction 273, result has 31.6 percent of original size [2022-11-22 01:35:18,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 11 new quantified variables, introduced 39 case distinctions, treesize of input 2847 treesize of output 2427 [2022-11-22 01:35:18,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:18,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:18,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:18,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:18,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:18,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:18,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:18,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:18,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:35:19,183 INFO L321 Elim1Store]: treesize reduction 223, result has 34.6 percent of original size [2022-11-22 01:35:19,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 11 new quantified variables, introduced 39 case distinctions, treesize of input 2323 treesize of output 2043 [2022-11-22 01:35:19,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:19,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:19,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:19,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:35:19,311 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:35:19,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1927 treesize of output 1759 [2022-11-22 01:38:35,166 WARN L233 SmtUtils]: Spent 8.28s on a formula simplification. DAG size of input: 441 DAG size of output: 438 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-22 01:42:32,948 WARN L233 SmtUtils]: Spent 13.81s on a formula simplification. DAG size of input: 363 DAG size of output: 361 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-22 01:47:19,035 WARN L233 SmtUtils]: Spent 21.40s on a formula simplification. DAG size of input: 413 DAG size of output: 411 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)