./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh --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 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 07:26:43,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:26:43,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:26:43,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:26:43,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:26:43,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:26:43,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:26:43,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:26:43,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:26:43,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:26:43,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:26:43,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:26:43,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:26:43,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:26:43,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:26:43,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:26:43,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:26:43,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:26:43,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:26:43,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:26:43,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:26:43,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:26:43,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:26:43,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:26:43,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:26:43,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:26:43,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:26:43,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:26:43,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:26:43,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:26:43,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:26:43,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:26:43,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:26:43,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:26:43,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:26:43,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:26:43,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:26:43,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:26:43,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:26:43,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:26:43,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:26:43,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 07:26:43,094 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:26:43,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:26:43,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:26:43,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:26:43,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:26:43,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:26:43,096 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:26:43,096 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:26:43,096 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:26:43,096 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:26:43,097 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:26:43,097 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:26:43,097 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:26:43,097 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:26:43,097 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:26:43,097 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:26:43,098 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:26:43,098 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:26:43,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:26:43,099 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:26:43,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:26:43,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:26:43,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:26:43,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:26:43,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:26:43,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:26:43,100 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:26:43,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:26:43,100 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:26:43,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:26:43,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:26:43,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:26:43,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:26:43,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:26:43,101 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:26:43,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:26:43,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:26:43,102 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:26:43,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:26:43,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:26:43,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:26:43,103 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_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 [2022-12-14 07:26:43,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:26:43,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:26:43,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:26:43,333 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:26:43,334 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:26:43,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2022-12-14 07:26:45,961 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:26:46,148 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:26:46,149 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2022-12-14 07:26:46,158 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/data/5b34a025b/061943fe62b048668bf56f334bf816ed/FLAGd4682d2e2 [2022-12-14 07:26:46,168 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/data/5b34a025b/061943fe62b048668bf56f334bf816ed [2022-12-14 07:26:46,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:26:46,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:26:46,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:26:46,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:26:46,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:26:46,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:26:46" (1/1) ... [2022-12-14 07:26:46,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43662243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:26:46, skipping insertion in model container [2022-12-14 07:26:46,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:26:46" (1/1) ... [2022-12-14 07:26:46,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:26:46,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:26:46,463 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_3f815f08-e0df-4031-b2be-5950a5eccd73/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i[33021,33034] [2022-12-14 07:26:46,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:26:46,542 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:26:46,563 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_3f815f08-e0df-4031-b2be-5950a5eccd73/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i[33021,33034] [2022-12-14 07:26:46,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:26:46,616 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:26:46,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:26:46 WrapperNode [2022-12-14 07:26:46,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:26:46,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:26:46,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:26:46,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:26:46,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:26:46" (1/1) ... [2022-12-14 07:26:46,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:26:46" (1/1) ... [2022-12-14 07:26:46,668 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-12-14 07:26:46,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:26:46,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:26:46,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:26:46,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:26:46,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:26:46" (1/1) ... [2022-12-14 07:26:46,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:26:46" (1/1) ... [2022-12-14 07:26:46,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:26:46" (1/1) ... [2022-12-14 07:26:46,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:26:46" (1/1) ... [2022-12-14 07:26:46,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:26:46" (1/1) ... [2022-12-14 07:26:46,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:26:46" (1/1) ... [2022-12-14 07:26:46,712 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:26:46" (1/1) ... [2022-12-14 07:26:46,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:26:46" (1/1) ... [2022-12-14 07:26:46,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:26:46,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:26:46,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:26:46,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:26:46,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:26:46" (1/1) ... [2022-12-14 07:26:46,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:26:46,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:26:46,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:26:46,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:26:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:26:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 07:26:46,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 07:26:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:26:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:26:46,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:26:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:26:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:26:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:26:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:26:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:26:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:26:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:26:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:26:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:26:46,945 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:26:46,946 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:26:47,674 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:26:47,885 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:26:47,886 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-12-14 07:26:47,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:26:47 BoogieIcfgContainer [2022-12-14 07:26:47,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:26:47,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:26:47,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:26:47,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:26:47,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:26:46" (1/3) ... [2022-12-14 07:26:47,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11599926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:26:47, skipping insertion in model container [2022-12-14 07:26:47,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:26:46" (2/3) ... [2022-12-14 07:26:47,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11599926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:26:47, skipping insertion in model container [2022-12-14 07:26:47,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:26:47" (3/3) ... [2022-12-14 07:26:47,894 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test1-2.i [2022-12-14 07:26:47,908 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:26:47,908 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:26:47,947 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:26:47,953 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;@4ec5f0a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:26:47,954 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:26:47,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 07:26:47,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 07:26:47,963 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:26:47,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:26:47,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:26:47,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:26:47,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-12-14 07:26:47,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:26:47,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643070652] [2022-12-14 07:26:47,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:26:47,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:26:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:26:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:26:48,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:26:48,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643070652] [2022-12-14 07:26:48,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643070652] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:26:48,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:26:48,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:26:48,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767880953] [2022-12-14 07:26:48,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:26:48,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:26:48,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:26:48,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:26:48,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:26:48,170 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:26:48,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:26:48,851 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-12-14 07:26:48,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:26:48,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 07:26:48,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:26:48,861 INFO L225 Difference]: With dead ends: 237 [2022-12-14 07:26:48,861 INFO L226 Difference]: Without dead ends: 128 [2022-12-14 07:26:48,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:26:48,866 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:26:48,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 07:26:48,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-12-14 07:26:48,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-12-14 07:26:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 07:26:48,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-12-14 07:26:48,896 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-12-14 07:26:48,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:26:48,897 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-12-14 07:26:48,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:26:48,897 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-12-14 07:26:48,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 07:26:48,898 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:26:48,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:26:48,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:26:48,898 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:26:48,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:26:48,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-12-14 07:26:48,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:26:48,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623948397] [2022-12-14 07:26:48,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:26:48,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:26:49,000 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:26:49,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1822582941] [2022-12-14 07:26:49,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:26:49,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:26:49,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:26:49,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:26:49,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:26:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:26:49,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:26:49,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:26:49,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:26:49,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:26:49,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:26:49,651 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:26:49,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623948397] [2022-12-14 07:26:49,651 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:26:49,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822582941] [2022-12-14 07:26:49,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822582941] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:26:49,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [803944828] [2022-12-14 07:26:49,671 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-12-14 07:26:49,671 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:26:49,674 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:26:49,678 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:26:49,678 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:26:49,772 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:26:49,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 07:26:49,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:49,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:26:49,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:49,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:26:49,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:49,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:26:49,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:49,824 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:26:49,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 07:26:49,861 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:26:49,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:26:50,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:26:50,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 07:26:50,254 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 [2022-12-14 07:26:50,270 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 [2022-12-14 07:26:50,536 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 [2022-12-14 07:26:50,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:26:50,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:26:50,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 07:26:50,616 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 [2022-12-14 07:26:50,642 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:27:05,343 WARN L233 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:27:05,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [803944828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:27:05,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 07:27:05,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 07:27:05,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924214917] [2022-12-14 07:27:05,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:27:05,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:27:05,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:27:05,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:27:05,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 07:27:05,348 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:27:06,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:27:11,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:27:13,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:27:14,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:27:14,908 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-12-14 07:27:14,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 07:27:14,912 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-12-14 07:27:14,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:27:14,913 INFO L225 Difference]: With dead ends: 171 [2022-12-14 07:27:14,913 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 07:27:14,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 07:27:14,914 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:27:14,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2022-12-14 07:27:14,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 07:27:14,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2022-12-14 07:27:14,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 07:27:14,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-12-14 07:27:14,930 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-12-14 07:27:14,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:27:14,930 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-12-14 07:27:14,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:27:14,931 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-12-14 07:27:14,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 07:27:14,932 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:27:14,932 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:27:14,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:27:15,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:27:15,134 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:27:15,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:27:15,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1276436578, now seen corresponding path program 1 times [2022-12-14 07:27:15,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:27:15,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471555969] [2022-12-14 07:27:15,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:27:15,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:27:15,213 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:27:15,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [424945465] [2022-12-14 07:27:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:27:15,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:27:15,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:27:15,215 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:27:15,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:27:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:27:15,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:27:15,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:27:15,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 07:27:15,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:27:15,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 07:27:15,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:27:15,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471555969] [2022-12-14 07:27:15,648 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:27:15,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424945465] [2022-12-14 07:27:15,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424945465] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:27:15,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [860529468] [2022-12-14 07:27:15,652 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 07:27:15,652 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:27:15,653 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:27:15,653 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:27:15,653 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:27:15,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:27:15,715 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:27:15,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:27:15,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:27:15,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 07:27:15,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 07:27:15,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,746 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 [2022-12-14 07:27:15,937 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 [2022-12-14 07:27:15,949 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 [2022-12-14 07:27:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:15,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:27:16,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 07:27:16,060 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 [2022-12-14 07:27:16,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:27:16,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:27:16,157 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 [2022-12-14 07:27:16,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:27:16,219 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 [2022-12-14 07:27:16,238 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 [2022-12-14 07:27:16,286 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 07:27:16,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 07:27:16,346 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:27:16,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 07:27:16,898 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 [2022-12-14 07:27:16,912 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 [2022-12-14 07:27:16,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:27:16,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:16,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 07:27:17,017 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 [2022-12-14 07:27:17,026 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 [2022-12-14 07:27:17,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-12-14 07:27:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-12-14 07:27:17,148 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 [2022-12-14 07:27:17,164 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 [2022-12-14 07:27:17,203 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 07:27:17,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 07:27:17,251 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:27:17,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 07:27:17,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:27:17,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:27:17,362 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 07:27:17,428 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:27:30,060 WARN L233 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:27:39,404 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:27:51,574 WARN L233 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:28:03,413 WARN L233 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:28:04,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [860529468] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:28:04,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 07:28:04,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 07:28:04,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599651253] [2022-12-14 07:28:04,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:28:04,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 07:28:04,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:28:04,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 07:28:04,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 07:28:04,028 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:28:06,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:28:08,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:28:10,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:28:12,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:28:14,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:28:16,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:28:18,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:28:20,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:28:22,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:28:28,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:28:30,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:28:31,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:28:33,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:28:34,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:28:34,451 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-12-14 07:28:34,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 07:28:34,458 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-12-14 07:28:34,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:28:34,459 INFO L225 Difference]: With dead ends: 175 [2022-12-14 07:28:34,459 INFO L226 Difference]: Without dead ends: 96 [2022-12-14 07:28:34,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 46.6s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 07:28:34,460 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:28:34,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 652 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 343 Invalid, 10 Unknown, 0 Unchecked, 30.4s Time] [2022-12-14 07:28:34,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-14 07:28:34,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-12-14 07:28:34,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-14 07:28:34,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-12-14 07:28:34,479 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-12-14 07:28:34,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:28:34,479 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-12-14 07:28:34,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:28:34,479 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-12-14 07:28:34,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 07:28:34,480 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:28:34,480 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:28:34,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:28:34,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:28:34,682 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:28:34,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:28:34,683 INFO L85 PathProgramCache]: Analyzing trace with hash -787068528, now seen corresponding path program 1 times [2022-12-14 07:28:34,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:28:34,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299110848] [2022-12-14 07:28:34,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:28:34,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:28:34,806 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:28:34,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1069291629] [2022-12-14 07:28:34,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:28:34,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:28:34,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:28:34,808 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:28:34,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f815f08-e0df-4031-b2be-5950a5eccd73/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:28:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:28:35,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:28:35,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:28:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 07:28:35,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:28:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 07:28:35,158 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:28:35,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299110848] [2022-12-14 07:28:35,158 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:28:35,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069291629] [2022-12-14 07:28:35,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069291629] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:28:35,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1646484015] [2022-12-14 07:28:35,160 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 07:28:35,160 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:28:35,160 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:28:35,160 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:28:35,160 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:28:35,202 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:28:35,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:28:35,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 07:28:35,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:28:35,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 07:28:35,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,223 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 [2022-12-14 07:28:35,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,231 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 [2022-12-14 07:28:35,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:28:35,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 07:28:35,447 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 [2022-12-14 07:28:35,460 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 [2022-12-14 07:28:35,477 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 [2022-12-14 07:28:35,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:28:35,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:28:35,560 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 [2022-12-14 07:28:35,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:28:35,622 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 [2022-12-14 07:28:35,641 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 [2022-12-14 07:28:35,692 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:28:35,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 07:28:35,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 07:28:35,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 07:28:35,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:28:35,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:28:35,833 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:28:35,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-12-14 07:28:35,859 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 07:28:35,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-12-14 07:28:35,878 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:28:35,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 07:28:35,904 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 [2022-12-14 07:28:35,908 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 [2022-12-14 07:28:35,912 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 [2022-12-14 07:28:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:35,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 07:28:35,977 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 [2022-12-14 07:28:35,990 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 [2022-12-14 07:28:36,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:36,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:36,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:36,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:36,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:36,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:36,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:36,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:36,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:36,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:36,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:28:36,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 07:28:36,111 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 [2022-12-14 07:28:36,121 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 [2022-12-14 07:28:36,651 INFO L217 Elim1Store]: Index analysis took 358 ms [2022-12-14 07:28:42,498 WARN L233 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 60 DAG size of output: 18 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:28:42,499 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 07:28:42,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752658 treesize of output 10752661 [2022-12-14 07:28:43,517 INFO L217 Elim1Store]: Index analysis took 921 ms [2022-12-14 07:28:47,550 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 07:28:47,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752663 treesize of output 10752665 [2022-12-14 07:28:56,257 WARN L233 SmtUtils]: Spent 8.67s 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) [2022-12-14 07:28:56,257 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 07:28:56,258 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 1476 [2022-12-14 07:29:17,962 WARN L233 SmtUtils]: Spent 21.60s 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) [2022-12-14 07:29:17,962 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 07:29:17,962 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 1834 [2022-12-14 07:29:18,712 INFO L217 Elim1Store]: Index analysis took 611 ms [2022-12-14 07:29:42,121 WARN L233 SmtUtils]: Spent 23.04s 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) [2022-12-14 07:29:42,121 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 07:29:42,122 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 [2022-12-14 07:29:42,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:29:42,879 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 07:29:42,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:29:43,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:29:43,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:29:43,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-12-14 07:32:22,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:32:22,873 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 17 treesize of output 11 [2022-12-14 07:32:23,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:32:23,020 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 17 treesize of output 11 [2022-12-14 07:35:36,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:36,419 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 17 treesize of output 11 [2022-12-14 07:35:36,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:35:36,558 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 17 treesize of output 11