./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.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_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/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_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/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_94076a1e-6500-4746-a47c-ec2287f2c13f/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 f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 --- 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 [2022-11-26 00:45:48,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:45:48,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:45:48,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:45:48,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:45:48,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:45:48,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:45:48,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:45:48,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:45:48,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:45:48,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:45:48,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:45:48,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:45:48,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:45:48,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:45:48,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:45:48,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:45:48,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:45:48,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:45:48,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:45:48,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:45:48,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:45:48,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:45:48,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:45:48,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:45:48,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:45:48,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:45:48,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:45:48,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:45:48,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:45:48,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:45:48,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:45:48,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:45:48,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:45:48,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:45:48,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:45:48,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:45:48,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:45:48,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:45:48,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:45:48,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:45:48,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:45:49,017 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:45:49,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:45:49,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:45:49,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:45:49,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:45:49,036 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:45:49,036 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:45:49,037 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:45:49,037 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:45:49,037 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:45:49,037 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:45:49,037 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:45:49,038 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:45:49,038 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:45:49,038 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:45:49,038 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:45:49,038 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:45:49,039 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:45:49,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:45:49,040 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:45:49,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:45:49,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:45:49,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:45:49,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:45:49,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:45:49,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:45:49,041 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:45:49,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:45:49,041 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:45:49,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:45:49,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:45:49,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:45:49,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:45:49,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:45:49,043 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:45:49,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:45:49,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:45:49,043 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:45:49,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:45:49,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:45:49,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:45:49,044 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_94076a1e-6500-4746-a47c-ec2287f2c13f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 [2022-11-26 00:45:49,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:45:49,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:45:49,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:45:49,334 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:45:49,334 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:45:49,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2022-11-26 00:45:52,490 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:45:52,839 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:45:52,840 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2022-11-26 00:45:52,858 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/data/2954217c3/24bb1d51626d4b44afefd7e1aabe106f/FLAGaf1e58da4 [2022-11-26 00:45:52,875 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/data/2954217c3/24bb1d51626d4b44afefd7e1aabe106f [2022-11-26 00:45:52,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:45:52,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:45:52,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:45:52,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:45:52,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:45:52,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:45:52" (1/1) ... [2022-11-26 00:45:52,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40cb1662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:45:52, skipping insertion in model container [2022-11-26 00:45:52,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:45:52" (1/1) ... [2022-11-26 00:45:52,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:45:52,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:45:53,500 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_94076a1e-6500-4746-a47c-ec2287f2c13f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2022-11-26 00:45:53,635 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:45:53,638 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_94076a1e-6500-4746-a47c-ec2287f2c13f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2022-11-26 00:45:53,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:45:53,658 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:45:53,689 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_94076a1e-6500-4746-a47c-ec2287f2c13f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2022-11-26 00:45:53,747 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:45:53,750 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_94076a1e-6500-4746-a47c-ec2287f2c13f/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2022-11-26 00:45:53,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:45:53,799 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:45:53,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:45:53 WrapperNode [2022-11-26 00:45:53,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:45:53,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:45:53,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:45:53,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:45:53,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:45:53" (1/1) ... [2022-11-26 00:45:53,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:45:53" (1/1) ... [2022-11-26 00:45:53,896 INFO L138 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 880 [2022-11-26 00:45:53,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:45:53,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:45:53,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:45:53,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:45:53,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:45:53" (1/1) ... [2022-11-26 00:45:53,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:45:53" (1/1) ... [2022-11-26 00:45:53,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:45:53" (1/1) ... [2022-11-26 00:45:53,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:45:53" (1/1) ... [2022-11-26 00:45:54,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:45:53" (1/1) ... [2022-11-26 00:45:54,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:45:53" (1/1) ... [2022-11-26 00:45:54,028 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:45:53" (1/1) ... [2022-11-26 00:45:54,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:45:53" (1/1) ... [2022-11-26 00:45:54,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:45:54,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:45:54,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:45:54,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:45:54,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:45:53" (1/1) ... [2022-11-26 00:45:54,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:45:54,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:45:54,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:45:54,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:45:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:45:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:45:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:45:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:45:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:45:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:45:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:45:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:45:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:45:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:45:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:45:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:45:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:45:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:45:54,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:45:54,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:45:54,395 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:45:54,397 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:45:55,984 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:45:56,331 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:45:56,331 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-26 00:45:56,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:45:56 BoogieIcfgContainer [2022-11-26 00:45:56,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:45:56,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:45:56,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:45:56,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:45:56,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:45:52" (1/3) ... [2022-11-26 00:45:56,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2602d7e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:45:56, skipping insertion in model container [2022-11-26 00:45:56,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:45:53" (2/3) ... [2022-11-26 00:45:56,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2602d7e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:45:56, skipping insertion in model container [2022-11-26 00:45:56,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:45:56" (3/3) ... [2022-11-26 00:45:56,347 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-1.i [2022-11-26 00:45:56,366 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:45:56,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:45:56,434 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:45:56,442 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;@7db6586b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:45:56,442 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:45:56,448 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:45:56,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:45:56,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:45:56,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:45:56,458 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:45:56,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:45:56,466 INFO L85 PathProgramCache]: Analyzing trace with hash -22795765, now seen corresponding path program 1 times [2022-11-26 00:45:56,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:45:56,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744228817] [2022-11-26 00:45:56,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:45:56,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:45:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:56,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:56,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:45:56,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744228817] [2022-11-26 00:45:56,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744228817] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:45:56,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:45:56,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:45:56,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334564659] [2022-11-26 00:45:56,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:45:56,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:45:56,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:45:56,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:45:56,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:45:56,770 INFO L87 Difference]: Start difference. First operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:57,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:45:57,326 INFO L93 Difference]: Finished difference Result 217 states and 382 transitions. [2022-11-26 00:45:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:45:57,333 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-26 00:45:57,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:45:57,343 INFO L225 Difference]: With dead ends: 217 [2022-11-26 00:45:57,343 INFO L226 Difference]: Without dead ends: 107 [2022-11-26 00:45:57,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:45:57,350 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:45:57,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:45:57,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-26 00:45:57,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-26 00:45:57,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:45:57,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2022-11-26 00:45:57,395 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2022-11-26 00:45:57,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:45:57,396 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2022-11-26 00:45:57,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:45:57,397 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2022-11-26 00:45:57,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-26 00:45:57,398 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:45:57,399 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] [2022-11-26 00:45:57,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:45:57,399 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:45:57,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:45:57,400 INFO L85 PathProgramCache]: Analyzing trace with hash -615084539, now seen corresponding path program 1 times [2022-11-26 00:45:57,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:45:57,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803050606] [2022-11-26 00:45:57,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:45:57,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:45:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:45:57,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:45:57,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803050606] [2022-11-26 00:45:57,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803050606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:45:57,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:45:57,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:45:57,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721895745] [2022-11-26 00:45:57,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:45:57,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:45:57,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:45:57,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:45:57,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:45:57,850 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:46:00,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:46:00,165 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2022-11-26 00:46:00,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:46:00,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-26 00:46:00,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:46:00,172 INFO L225 Difference]: With dead ends: 222 [2022-11-26 00:46:00,172 INFO L226 Difference]: Without dead ends: 168 [2022-11-26 00:46:00,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:46:00,174 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:46:00,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 316 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:46:00,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-26 00:46:00,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2022-11-26 00:46:00,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:46:00,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2022-11-26 00:46:00,194 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2022-11-26 00:46:00,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:46:00,194 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2022-11-26 00:46:00,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:46:00,195 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2022-11-26 00:46:00,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-26 00:46:00,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:46:00,196 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-26 00:46:00,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:46:00,197 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:46:00,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:46:00,198 INFO L85 PathProgramCache]: Analyzing trace with hash -711191121, now seen corresponding path program 1 times [2022-11-26 00:46:00,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:46:00,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7915332] [2022-11-26 00:46:00,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:00,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:46:00,373 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:46:00,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [998468772] [2022-11-26 00:46:00,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:00,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:46:00,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:46:00,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:46:00,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:46:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:46:01,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:46:01,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:46:01,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:46:01,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:46:01,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:46:01,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7915332] [2022-11-26 00:46:01,311 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:46:01,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998468772] [2022-11-26 00:46:01,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998468772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:46:01,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:46:01,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:46:01,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222221115] [2022-11-26 00:46:01,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:46:01,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:46:01,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:46:01,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:46:01,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:46:01,314 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:46:01,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:46:01,930 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2022-11-26 00:46:01,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:46:01,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-26 00:46:01,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:46:01,936 INFO L225 Difference]: With dead ends: 260 [2022-11-26 00:46:01,936 INFO L226 Difference]: Without dead ends: 154 [2022-11-26 00:46:01,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:46:01,938 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 43 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:46:01,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:46:01,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-26 00:46:01,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2022-11-26 00:46:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-26 00:46:01,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2022-11-26 00:46:01,955 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2022-11-26 00:46:01,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:46:01,955 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2022-11-26 00:46:01,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:46:01,956 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2022-11-26 00:46:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-26 00:46:01,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:46:01,958 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:46:01,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:46:02,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:46:02,167 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:46:02,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:46:02,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1770866427, now seen corresponding path program 1 times [2022-11-26 00:46:02,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:46:02,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550344675] [2022-11-26 00:46:02,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:02,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:46:02,248 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:46:02,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2060880991] [2022-11-26 00:46:02,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:02,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:46:02,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:46:02,250 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:46:02,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:46:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:46:02,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:46:02,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:46:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:46:02,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:46:02,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:46:02,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550344675] [2022-11-26 00:46:02,977 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:46:02,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060880991] [2022-11-26 00:46:02,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060880991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:46:02,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:46:02,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:46:02,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928946189] [2022-11-26 00:46:02,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:46:02,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:46:02,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:46:02,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:46:02,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:46:02,988 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:46:03,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:46:03,477 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2022-11-26 00:46:03,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:46:03,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-26 00:46:03,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:46:03,481 INFO L225 Difference]: With dead ends: 258 [2022-11-26 00:46:03,481 INFO L226 Difference]: Without dead ends: 122 [2022-11-26 00:46:03,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:46:03,483 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 163 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:46:03,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 153 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:46:03,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-11-26 00:46:03,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-11-26 00:46:03,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-26 00:46:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2022-11-26 00:46:03,496 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2022-11-26 00:46:03,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:46:03,496 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2022-11-26 00:46:03,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:46:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2022-11-26 00:46:03,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-26 00:46:03,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:46:03,498 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:46:03,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:46:03,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:46:03,707 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:46:03,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:46:03,707 INFO L85 PathProgramCache]: Analyzing trace with hash -2135358000, now seen corresponding path program 1 times [2022-11-26 00:46:03,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:46:03,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258954146] [2022-11-26 00:46:03,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:03,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:46:03,816 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:46:03,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [526954420] [2022-11-26 00:46:03,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:03,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:46:03,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:46:03,833 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:46:03,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:46:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:46:29,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:46:29,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:46:29,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:46:29,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:46:29,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:46:29,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258954146] [2022-11-26 00:46:29,227 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:46:29,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526954420] [2022-11-26 00:46:29,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526954420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:46:29,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:46:29,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:46:29,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892070630] [2022-11-26 00:46:29,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:46:29,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:46:29,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:46:29,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:46:29,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:46:29,230 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:46:32,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:46:32,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:46:32,915 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2022-11-26 00:46:32,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:46:32,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-26 00:46:32,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:46:32,923 INFO L225 Difference]: With dead ends: 227 [2022-11-26 00:46:32,923 INFO L226 Difference]: Without dead ends: 124 [2022-11-26 00:46:32,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:46:32,925 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 1 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:46:32,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 347 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-26 00:46:32,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-11-26 00:46:32,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-11-26 00:46:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-26 00:46:32,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2022-11-26 00:46:32,937 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2022-11-26 00:46:32,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:46:32,937 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2022-11-26 00:46:32,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:46:32,938 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2022-11-26 00:46:32,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:46:32,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:46:32,940 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-11-26 00:46:32,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:46:33,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:46:33,155 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:46:33,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:46:33,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1303520738, now seen corresponding path program 1 times [2022-11-26 00:46:33,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:46:33,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638211245] [2022-11-26 00:46:33,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:33,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:46:33,238 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:46:33,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212150952] [2022-11-26 00:46:33,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:33,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:46:33,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:46:33,240 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:46:33,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94076a1e-6500-4746-a47c-ec2287f2c13f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:47:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:47:02,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-26 00:47:02,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:47:02,543 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:47:02,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:47:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:47:02,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:47:02,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638211245] [2022-11-26 00:47:02,728 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:47:02,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212150952] [2022-11-26 00:47:02,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212150952] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:47:02,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1736327425] [2022-11-26 00:47:02,750 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-26 00:47:02,750 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:47:02,754 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:47:02,760 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:47:02,760 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:47:02,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:47:02,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:47:02,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:02,933 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-26 00:47:02,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-26 00:47:02,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:02,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-26 00:47:02,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:02,976 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:47:02,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-26 00:47:03,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,058 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:47:03,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 00:47:03,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,091 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 [2022-11-26 00:47:03,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,109 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 [2022-11-26 00:47:03,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,130 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 52 treesize of output 49 [2022-11-26 00:47:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-26 00:47:03,672 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 [2022-11-26 00:47:03,690 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 [2022-11-26 00:47:03,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-26 00:47:03,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-26 00:47:03,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 9897022 treesize of output 5376303 [2022-11-26 00:47:03,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:03,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:47:03,989 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 [2022-11-26 00:47:04,004 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 [2022-11-26 00:47:04,051 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 [2022-11-26 00:47:04,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:47:04,138 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 [2022-11-26 00:47:04,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,212 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:47:04,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-26 00:47:04,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,306 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:47:04,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-26 00:47:04,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:47:04,528 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 [2022-11-26 00:47:04,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:47:04,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:47:04,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-26 00:47:04,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:47:04,599 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 [2022-11-26 00:47:04,604 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 [2022-11-26 00:47:04,610 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 [2022-11-26 00:47:04,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:04,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:47:04,727 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 [2022-11-26 00:47:04,746 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 [2022-11-26 00:47:05,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:47:05,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:47:05,050 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 [2022-11-26 00:47:05,068 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 [2022-11-26 00:47:06,712 INFO L217 Elim1Store]: Index analysis took 1163 ms [2022-11-26 00:47:11,612 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-26 00:47:11,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-26 00:47:16,400 INFO L217 Elim1Store]: Index analysis took 4600 ms [2022-11-26 00:47:21,251 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-26 00:47:21,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519780 [2022-11-26 00:47:33,177 WARN L233 SmtUtils]: Spent 11.87s 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) [2022-11-26 00:47:33,178 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:47:33,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-26 00:47:33,395 INFO L217 Elim1Store]: Index analysis took 128 ms [2022-11-26 00:47:49,114 WARN L233 SmtUtils]: Spent 15.72s 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) [2022-11-26 00:47:49,115 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:47:49,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1819 [2022-11-26 00:47:49,997 INFO L217 Elim1Store]: Index analysis took 617 ms [2022-11-26 00:48:05,876 WARN L233 SmtUtils]: Spent 15.47s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:48:05,877 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:48:05,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-26 00:48:06,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:07,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:07,211 INFO L217 Elim1Store]: Index analysis took 360 ms [2022-11-26 00:48:07,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 97 [2022-11-26 00:48:07,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:07,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:07,399 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 38 treesize of output 28 [2022-11-26 00:48:07,451 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:48:08,561 INFO L217 Elim1Store]: Index analysis took 113 ms [2022-11-26 00:48:09,064 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:48:09,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-26 00:48:09,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-26 00:48:09,719 INFO L217 Elim1Store]: Index analysis took 295 ms [2022-11-26 00:48:10,616 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:48:10,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-26 00:48:10,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:10,841 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 28 treesize of output 13 [2022-11-26 00:48:10,987 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:48:12,383 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:48:16,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:16,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:16,552 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 32 treesize of output 20 [2022-11-26 00:48:16,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:16,631 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 23 treesize of output 15 [2022-11-26 00:48:16,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:16,720 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 [2022-11-26 00:48:17,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:17,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:17,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:17,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-26 00:48:17,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:48:17,667 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 32 treesize of output 20 [2022-11-26 00:48:21,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:21,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:21,635 INFO L217 Elim1Store]: Index analysis took 111 ms [2022-11-26 00:48:21,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-26 00:48:21,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:21,842 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 28 treesize of output 18 [2022-11-26 00:48:24,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:24,361 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 [2022-11-26 00:48:24,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:24,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:48:24,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20