./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:27:42,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:27:42,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:27:42,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:27:42,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:27:42,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:27:42,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:27:42,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:27:42,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:27:42,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:27:42,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:27:42,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:27:42,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:27:42,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:27:43,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:27:43,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:27:43,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:27:43,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:27:43,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:27:43,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:27:43,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:27:43,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:27:43,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:27:43,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:27:43,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:27:43,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:27:43,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:27:43,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:27:43,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:27:43,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:27:43,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:27:43,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:27:43,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:27:43,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:27:43,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:27:43,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:27:43,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:27:43,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:27:43,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:27:43,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:27:43,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:27:43,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 22:27:43,086 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:27:43,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:27:43,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:27:43,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:27:43,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:27:43,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:27:43,089 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:27:43,089 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:27:43,090 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:27:43,090 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:27:43,091 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:27:43,091 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:27:43,091 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:27:43,091 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:27:43,092 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:27:43,092 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:27:43,092 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:27:43,092 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:27:43,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:27:43,093 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:27:43,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:27:43,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:27:43,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:27:43,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:27:43,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:27:43,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:27:43,095 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:27:43,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:27:43,095 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:27:43,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:27:43,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:27:43,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:27:43,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:27:43,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:27:43,097 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:27:43,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:27:43,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:27:43,098 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:27:43,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:27:43,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:27:43,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:27:43,099 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_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e [2022-11-25 22:27:43,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:27:43,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:27:43,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:27:43,415 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:27:43,416 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:27:43,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2022-11-25 22:27:46,489 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:27:46,828 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:27:46,834 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2022-11-25 22:27:46,853 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/data/8980ee5c3/5f6030d8676e4d15bc0e97887bb5c7d8/FLAG30e194407 [2022-11-25 22:27:46,872 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/data/8980ee5c3/5f6030d8676e4d15bc0e97887bb5c7d8 [2022-11-25 22:27:46,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:27:46,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:27:46,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:27:46,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:27:46,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:27:46,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:46" (1/1) ... [2022-11-25 22:27:46,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc127fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:46, skipping insertion in model container [2022-11-25 22:27:46,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:46" (1/1) ... [2022-11-25 22:27:46,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:27:46,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:27:47,421 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i[33021,33034] [2022-11-25 22:27:47,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:27:47,563 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:27:47,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i[33021,33034] [2022-11-25 22:27:47,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:27:47,782 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:27:47,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:47 WrapperNode [2022-11-25 22:27:47,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:27:47,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:27:47,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:27:47,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:27:47,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:47" (1/1) ... [2022-11-25 22:27:47,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:47" (1/1) ... [2022-11-25 22:27:47,900 INFO L138 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1437 [2022-11-25 22:27:47,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:27:47,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:27:47,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:27:47,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:27:47,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:47" (1/1) ... [2022-11-25 22:27:47,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:47" (1/1) ... [2022-11-25 22:27:47,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:47" (1/1) ... [2022-11-25 22:27:47,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:47" (1/1) ... [2022-11-25 22:27:47,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:47" (1/1) ... [2022-11-25 22:27:47,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:47" (1/1) ... [2022-11-25 22:27:47,997 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:47" (1/1) ... [2022-11-25 22:27:48,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:47" (1/1) ... [2022-11-25 22:27:48,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:27:48,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:27:48,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:27:48,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:27:48,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:47" (1/1) ... [2022-11-25 22:27:48,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:27:48,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:27:48,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:27:48,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:27:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:27:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:27:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:27:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:27:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:27:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:27:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:27:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:27:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:27:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:27:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:27:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:27:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:27:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:27:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:27:48,387 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:27:48,389 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:27:50,417 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:27:50,941 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:27:50,942 INFO L300 CfgBuilder]: Removed 77 assume(true) statements. [2022-11-25 22:27:50,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:27:50 BoogieIcfgContainer [2022-11-25 22:27:50,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:27:50,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:27:50,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:27:50,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:27:50,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:27:46" (1/3) ... [2022-11-25 22:27:50,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321b4046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:27:50, skipping insertion in model container [2022-11-25 22:27:50,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:47" (2/3) ... [2022-11-25 22:27:50,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321b4046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:27:50, skipping insertion in model container [2022-11-25 22:27:50,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:27:50" (3/3) ... [2022-11-25 22:27:50,954 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-3.i [2022-11-25 22:27:50,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:27:50,976 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:27:51,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:27:51,041 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;@406a3466, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:27:51,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:27:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-25 22:27:51,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 22:27:51,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:27:51,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:27:51,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:27:51,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:27:51,060 INFO L85 PathProgramCache]: Analyzing trace with hash -810098709, now seen corresponding path program 1 times [2022-11-25 22:27:51,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:27:51,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442475992] [2022-11-25 22:27:51,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:27:51,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:27:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:27:51,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:27:51,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:27:51,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442475992] [2022-11-25 22:27:51,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442475992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:27:51,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:27:51,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:27:51,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448975328] [2022-11-25 22:27:51,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:27:51,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:27:51,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:27:51,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:27:51,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:27:51,382 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:27:54,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:27:54,356 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2022-11-25 22:27:54,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:27:54,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 22:27:54,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:27:54,377 INFO L225 Difference]: With dead ends: 399 [2022-11-25 22:27:54,377 INFO L226 Difference]: Without dead ends: 220 [2022-11-25 22:27:54,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:27:54,385 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 97 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:27:54,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 365 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-25 22:27:54,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-25 22:27:54,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-25 22:27:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-25 22:27:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-25 22:27:54,446 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-25 22:27:54,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:27:54,447 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-25 22:27:54,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:27:54,447 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-25 22:27:54,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-25 22:27:54,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:27:54,451 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:27:54,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:27:54,452 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:27:54,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:27:54,453 INFO L85 PathProgramCache]: Analyzing trace with hash 761830316, now seen corresponding path program 1 times [2022-11-25 22:27:54,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:27:54,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993601950] [2022-11-25 22:27:54,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:27:54,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:27:54,855 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:27:54,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [75486907] [2022-11-25 22:27:54,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:27:54,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:27:54,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:27:54,860 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:27:54,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:27:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:27:56,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 22:27:56,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:27:56,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:27:56,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:27:56,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:27:56,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:27:56,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993601950] [2022-11-25 22:27:56,492 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:27:56,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75486907] [2022-11-25 22:27:56,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75486907] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:27:56,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [760760522] [2022-11-25 22:27:56,514 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-25 22:27:56,514 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:27:56,517 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:27:56,523 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:27:56,523 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:27:56,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:56,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:56,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:56,794 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:27:56,795 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 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-25 22:27:56,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:56,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 22:27:56,869 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 22:27:56,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 22:27:56,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:56,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 22:27:56,941 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:27:56,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 22:27:57,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:27:57,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 22:27:57,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-25 22:27:57,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:27:57,653 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 22:27:57,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 22:27:57,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 22:27:57,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:57,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,697 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:27:57,698 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 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-25 22:27:57,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:57,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 22:27:57,768 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:27:57,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 22:27:58,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 22:27:58,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:58,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-25 22:27:58,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:27:58,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:27:58,414 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:28:06,652 WARN L233 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:28:13,862 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:28:13,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [760760522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:28:13,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 22:28:13,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-25 22:28:13,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124222941] [2022-11-25 22:28:13,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:28:13,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 22:28:13,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:28:13,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 22:28:13,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-25 22:28:13,876 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:28:16,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:28:18,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:28:20,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:28:26,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:28:27,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:28:30,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:28:30,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:28:30,757 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-25 22:28:30,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:28:30,758 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-25 22:28:30,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:28:30,760 INFO L225 Difference]: With dead ends: 265 [2022-11-25 22:28:30,760 INFO L226 Difference]: Without dead ends: 140 [2022-11-25 22:28:30,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-25 22:28:30,762 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:28:30,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 461 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 212 Invalid, 3 Unknown, 0 Unchecked, 16.2s Time] [2022-11-25 22:28:30,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-25 22:28:30,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-25 22:28:30,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-25 22:28:30,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-25 22:28:30,785 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-25 22:28:30,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:28:30,786 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-25 22:28:30,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:28:30,786 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-25 22:28:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-25 22:28:30,788 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:28:30,788 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2022-11-25 22:28:30,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 22:28:31,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:28:31,001 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:28:31,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:28:31,002 INFO L85 PathProgramCache]: Analyzing trace with hash 583681991, now seen corresponding path program 1 times [2022-11-25 22:28:31,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:28:31,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736623305] [2022-11-25 22:28:31,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:28:31,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:28:31,179 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:28:31,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [444191664] [2022-11-25 22:28:31,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:28:31,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:28:31,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:28:31,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:28:31,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:28:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:28:32,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 22:28:32,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:28:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 22:28:32,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:28:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 22:28:32,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:28:32,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736623305] [2022-11-25 22:28:32,605 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:28:32,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444191664] [2022-11-25 22:28:32,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444191664] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:28:32,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [592169282] [2022-11-25 22:28:32,610 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-25 22:28:32,611 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:28:32,611 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:28:32,611 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:28:32,612 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:28:32,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:32,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:32,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:32,727 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:28:32,728 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 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-25 22:28:32,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:32,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 22:28:32,802 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 22:28:32,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 22:28:32,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:32,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 22:28:32,866 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:28:32,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 22:28:33,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 22:28:33,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-25 22:28:33,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:28:33,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:28:33,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 22:28:33,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:28:33,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:28:33,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 22:28:33,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 22:28:33,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:33,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:28:33,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 22:28:33,770 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 22:28:33,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 22:28:33,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-25 22:28:34,140 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:28:34,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 22:28:34,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2022-11-25 22:28:34,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2022-11-25 22:28:34,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-25 22:28:34,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:28:34,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-25 22:28:34,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 22:28:34,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-25 22:28:34,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:28:34,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:28:34,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:28:34,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:28:34,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 22:28:34,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 22:28:34,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 22:28:34,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:34,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:35,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:35,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:35,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:35,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:35,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:35,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:35,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:28:35,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:28:35,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 22:28:35,136 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 22:28:35,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 22:28:35,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-25 22:28:35,501 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-25 22:28:35,600 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:28:49,879 WARN L233 SmtUtils]: Spent 5.81s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:28:59,664 WARN L233 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:29:12,455 WARN L233 SmtUtils]: Spent 6.65s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:29:25,020 WARN L233 SmtUtils]: Spent 6.37s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 22:29:25,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [592169282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:29:25,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 22:29:25,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-25 22:29:25,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282699429] [2022-11-25 22:29:25,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:29:25,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-25 22:29:25,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:29:25,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 22:29:25,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-25 22:29:25,621 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:29:28,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:29:30,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:29:32,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:29:34,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:29:36,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:29:38,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:29:40,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:29:42,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:29:44,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 22:29:49,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:29:54,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:29:59,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:29:59,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:29:59,869 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-25 22:29:59,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 22:29:59,869 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-11-25 22:29:59,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:29:59,871 INFO L225 Difference]: With dead ends: 267 [2022-11-25 22:29:59,871 INFO L226 Difference]: Without dead ends: 142 [2022-11-25 22:29:59,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 50.0s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-25 22:29:59,874 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:29:59,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 749 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 434 Invalid, 9 Unknown, 0 Unchecked, 34.2s Time] [2022-11-25 22:29:59,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-25 22:29:59,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-25 22:29:59,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-25 22:29:59,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-25 22:29:59,925 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-25 22:29:59,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:29:59,925 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-25 22:29:59,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:29:59,926 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-25 22:29:59,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 22:29:59,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:59,928 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:29:59,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:30:00,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:00,138 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:30:00,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:00,145 INFO L85 PathProgramCache]: Analyzing trace with hash 501515405, now seen corresponding path program 1 times [2022-11-25 22:30:00,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:00,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336089721] [2022-11-25 22:30:00,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:00,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:00,320 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:30:00,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1755598786] [2022-11-25 22:30:00,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:00,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:00,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:00,322 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:30:00,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5e07d9-a383-4465-9120-b897a985b4aa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:30:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:01,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 22:30:01,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:30:01,735 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 22:30:01,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:30:01,857 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 22:30:01,858 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:01,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336089721] [2022-11-25 22:30:01,858 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:30:01,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755598786] [2022-11-25 22:30:01,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755598786] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:30:01,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1920646095] [2022-11-25 22:30:01,862 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-25 22:30:01,862 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:30:01,863 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:30:01,863 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:30:01,863 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:30:01,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:01,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-25 22:30:02,000 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 22:30:02,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-25 22:30:02,050 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:30:02,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-25 22:30:02,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2022-11-25 22:30:02,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:30:02,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-25 22:30:02,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:30:02,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-25 22:30:02,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-25 22:30:02,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 22:30:02,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:30:02,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:30:02,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 22:30:02,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 22:30:02,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 22:30:02,777 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 22:30:02,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-25 22:30:02,862 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 22:30:02,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-25 22:30:02,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:02,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-25 22:30:02,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 22:30:03,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 22:30:03,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 22:30:03,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-25 22:30:03,180 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-25 22:30:03,181 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 53 treesize of output 56 [2022-11-25 22:30:03,213 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:30:03,214 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 47 treesize of output 50 [2022-11-25 22:30:03,246 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:30:03,246 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 43 treesize of output 46 [2022-11-25 22:30:03,290 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 14 treesize of output 10 [2022-11-25 22:30:03,295 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 14 treesize of output 10 [2022-11-25 22:30:03,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 22:30:03,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-25 22:30:03,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 22:30:03,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 22:30:03,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:30:03,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-25 22:30:03,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 22:30:03,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-25 22:30:04,339 INFO L217 Elim1Store]: Index analysis took 366 ms [2022-11-25 22:30:06,964 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-25 22:30:06,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-11-25 22:30:08,363 INFO L217 Elim1Store]: Index analysis took 1187 ms [2022-11-25 22:30:12,958 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-25 22:30:12,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-11-25 22:30:22,597 WARN L233 SmtUtils]: Spent 9.37s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:30:22,598 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 22:30:22,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-25 22:30:49,955 WARN L233 SmtUtils]: Spent 27.19s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:30:49,956 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 22:30:49,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-11-25 22:30:50,950 INFO L217 Elim1Store]: Index analysis took 758 ms [2022-11-25 22:31:17,964 WARN L233 SmtUtils]: Spent 26.51s on a formula simplification. DAG size of input: 252 DAG size of output: 150 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:31:17,965 INFO L321 Elim1Store]: treesize reduction 2438, result has 32.1 percent of original size [2022-11-25 22:31:17,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 2093 [2022-11-25 22:31:18,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:19,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:19,306 INFO L217 Elim1Store]: Index analysis took 536 ms [2022-11-25 22:31:19,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 89 [2022-11-25 22:31:19,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:19,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-25 22:31:19,587 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:31:20,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:20,191 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2022-11-25 22:31:20,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:20,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:20,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 57 [2022-11-25 22:31:21,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:21,616 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 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 22:34:37,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:34:37,035 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 0 case distinctions, treesize of input 19 treesize of output 13