./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 4e7fbc69 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_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/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_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 14:50:15,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:50:15,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:50:15,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:50:15,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:50:15,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:50:15,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:50:15,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:50:15,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:50:15,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:50:15,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:50:15,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:50:15,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:50:15,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:50:15,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:50:15,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:50:15,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:50:15,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:50:15,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:50:15,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:50:15,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:50:15,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:50:15,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:50:15,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:50:15,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:50:15,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:50:15,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:50:15,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:50:15,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:50:15,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:50:15,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:50:15,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:50:15,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:50:15,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:50:15,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:50:15,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:50:15,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:50:15,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:50:15,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:50:15,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:50:15,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:50:15,334 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:50:15,367 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:50:15,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:50:15,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:50:15,368 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:50:15,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:50:15,369 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:50:15,370 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:50:15,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:50:15,370 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:50:15,370 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:50:15,371 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:50:15,371 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:50:15,372 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:50:15,372 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:50:15,372 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:50:15,372 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:50:15,373 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:50:15,373 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:50:15,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:50:15,374 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:50:15,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:50:15,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:50:15,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:50:15,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:50:15,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:50:15,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:50:15,376 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:50:15,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:50:15,377 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:50:15,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:50:15,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:50:15,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:50:15,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:50:15,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:50:15,378 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:50:15,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:50:15,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:50:15,379 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:50:15,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:50:15,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:50:15,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:50:15,380 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_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98addbea2d7583a98dfe535f8a62b1da98b67168a60a4eb76b7c658a539d3a89 [2022-11-23 14:50:15,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:50:15,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:50:15,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:50:15,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:50:15,698 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:50:15,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2022-11-23 14:50:18,682 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:50:19,021 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:50:19,023 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i [2022-11-23 14:50:19,039 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/data/2c2895aa3/f4e965a5ad7242c98810afdd549d1ecb/FLAG01389659e [2022-11-23 14:50:19,053 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/data/2c2895aa3/f4e965a5ad7242c98810afdd549d1ecb [2022-11-23 14:50:19,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:50:19,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:50:19,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:50:19,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:50:19,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:50:19,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:19" (1/1) ... [2022-11-23 14:50:19,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6e5f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:19, skipping insertion in model container [2022-11-23 14:50:19,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:19" (1/1) ... [2022-11-23 14:50:19,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:50:19,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:50:19,510 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_48d7c156-9232-452f-91cf-f54b9551dcb2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i[33021,33034] [2022-11-23 14:50:19,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:50:19,614 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:50:19,646 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_48d7c156-9232-452f-91cf-f54b9551dcb2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test1-2.i[33021,33034] [2022-11-23 14:50:19,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:50:19,765 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:50:19,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:19 WrapperNode [2022-11-23 14:50:19,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:50:19,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:50:19,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:50:19,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:50:19,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:19" (1/1) ... [2022-11-23 14:50:19,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:19" (1/1) ... [2022-11-23 14:50:19,893 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-11-23 14:50:19,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:50:19,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:50:19,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:50:19,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:50:19,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:19" (1/1) ... [2022-11-23 14:50:19,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:19" (1/1) ... [2022-11-23 14:50:19,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:19" (1/1) ... [2022-11-23 14:50:19,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:19" (1/1) ... [2022-11-23 14:50:19,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:19" (1/1) ... [2022-11-23 14:50:19,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:19" (1/1) ... [2022-11-23 14:50:19,976 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:19" (1/1) ... [2022-11-23 14:50:19,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:19" (1/1) ... [2022-11-23 14:50:19,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:50:19,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:50:19,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:50:19,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:50:19,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:19" (1/1) ... [2022-11-23 14:50:19,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:50:20,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:50:20,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:50:20,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:50:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:50:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 14:50:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 14:50:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:50:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:50:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:50:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:50:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:50:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:50:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:50:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:50:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:50:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:50:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:50:20,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:50:20,252 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:50:20,260 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:50:21,547 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:50:21,913 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:50:21,914 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-11-23 14:50:21,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:21 BoogieIcfgContainer [2022-11-23 14:50:21,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:50:21,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:50:21,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:50:21,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:50:21,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:50:19" (1/3) ... [2022-11-23 14:50:21,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bca9adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:50:21, skipping insertion in model container [2022-11-23 14:50:21,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:19" (2/3) ... [2022-11-23 14:50:21,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bca9adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:50:21, skipping insertion in model container [2022-11-23 14:50:21,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:50:21" (3/3) ... [2022-11-23 14:50:21,928 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test1-2.i [2022-11-23 14:50:21,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:50:21,948 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:50:22,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:50:22,022 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;@409475d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:50:22,023 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:50:22,027 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) [2022-11-23 14:50:22,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:50:22,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:50:22,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:50:22,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:50:22,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:50:22,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-11-23 14:50:22,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:50:22,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130237105] [2022-11-23 14:50:22,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:22,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:50:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:22,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:50:22,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:50:22,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130237105] [2022-11-23 14:50:22,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130237105] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:50:22,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:50:22,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:50:22,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165222290] [2022-11-23 14:50:22,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:50:22,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:50:22,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:50:22,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:50:22,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:50:22,349 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) [2022-11-23 14:50:23,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:50:23,305 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-11-23 14:50:23,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:50:23,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 14:50:23,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:50:23,318 INFO L225 Difference]: With dead ends: 237 [2022-11-23 14:50:23,318 INFO L226 Difference]: Without dead ends: 128 [2022-11-23 14:50:23,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:50:23,325 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:50:23,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-23 14:50:23,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-23 14:50:23,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-11-23 14:50:23,366 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) [2022-11-23 14:50:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-11-23 14:50:23,369 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-11-23 14:50:23,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:50:23,369 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-11-23 14:50:23,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:50:23,370 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-11-23 14:50:23,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-23 14:50:23,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:50:23,372 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] [2022-11-23 14:50:23,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:50:23,373 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:50:23,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:50:23,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-11-23 14:50:23,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:50:23,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614547745] [2022-11-23 14:50:23,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:23,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:50:23,522 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:50:23,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1430935504] [2022-11-23 14:50:23,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:23,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:50:23,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:50:23,527 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:50:23,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:50:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:24,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:50:24,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:50:24,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:50:24,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:50:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:50:24,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:50:24,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614547745] [2022-11-23 14:50:24,526 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:50:24,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430935504] [2022-11-23 14:50:24,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430935504] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:50:24,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [85524608] [2022-11-23 14:50:24,548 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-23 14:50:24,548 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:50:24,554 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:50:24,560 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:50:24,561 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:50:24,678 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 14:50:24,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-23 14:50:24,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:24,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:50:24,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:24,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:50:24,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:24,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:50:24,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:24,737 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:50:24,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-23 14:50:24,787 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:50:24,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:50:25,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:50:25,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 14:50:25,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:50:25,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:50:25,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:50:25,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:50:25,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:25,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-23 14:50:25,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:50:25,877 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:50:33,641 WARN L233 SmtUtils]: Spent 5.00s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:50:41,268 WARN L233 SmtUtils]: Spent 5.52s 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) [2022-11-23 14:50:41,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [85524608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:50:41,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:50:41,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-23 14:50:41,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352387345] [2022-11-23 14:50:41,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:50:41,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:50:41,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:50:41,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:50:41,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-23 14:50:41,276 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) [2022-11-23 14:50:44,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:50:46,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:50:48,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:50:48,068 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-11-23 14:50:48,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 14:50:48,074 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 [2022-11-23 14:50:48,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:50:48,075 INFO L225 Difference]: With dead ends: 171 [2022-11-23 14:50:48,075 INFO L226 Difference]: Without dead ends: 92 [2022-11-23 14:50:48,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-23 14:50:48,077 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 14 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:50:48,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 252 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-11-23 14:50:48,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-23 14:50:48,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2022-11-23 14:50:48,094 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) [2022-11-23 14:50:48,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-23 14:50:48,095 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-11-23 14:50:48,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:50:48,096 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-23 14:50:48,096 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) [2022-11-23 14:50:48,096 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-23 14:50:48,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-23 14:50:48,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:50:48,098 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] [2022-11-23 14:50:48,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 14:50:48,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-23 14:50:48,308 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:50:48,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:50:48,308 INFO L85 PathProgramCache]: Analyzing trace with hash -725737884, now seen corresponding path program 1 times [2022-11-23 14:50:48,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:50:48,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912869776] [2022-11-23 14:50:48,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:48,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:50:48,394 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:50:48,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1936317875] [2022-11-23 14:50:48,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:50:48,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:50:48,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:50:48,403 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:50:48,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:50:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:50:48,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:50:48,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:50:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 14:50:48,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:50:49,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 14:50:49,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:50:49,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912869776] [2022-11-23 14:50:49,016 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:50:49,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936317875] [2022-11-23 14:50:49,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936317875] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:50:49,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [994731137] [2022-11-23 14:50:49,021 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-23 14:50:49,021 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:50:49,021 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:50:49,022 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:50:49,022 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:50:49,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:50:49,115 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:50:49,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:50:49,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:50:49,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-23 14:50:49,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-23 14:50:49,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:50:49,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:50:49,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:50:49,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:50:49,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 14:50:49,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 14:50:49,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:50:49,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:50:49,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 14:50:49,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:49,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:50:49,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 14:50:49,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 14:50:49,955 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 14:50:49,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-23 14:50:50,037 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:50:50,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 14:50:51,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:50:51,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:50:51,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:50:51,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-23 14:50:51,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 14:50:51,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 14:50:51,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,282 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 [2022-11-23 14:50:51,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,354 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 [2022-11-23 14:50:51,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 14:50:51,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 14:50:51,507 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 14:50:51,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-23 14:50:51,583 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:50:51,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 14:50:51,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:50:51,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:50:51,757 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-23 14:50:51,862 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:50:57,926 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:51:05,193 WARN L233 SmtUtils]: Spent 5.17s 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) [2022-11-23 14:51:15,440 WARN L233 SmtUtils]: Spent 6.11s 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) [2022-11-23 14:51:29,302 WARN L233 SmtUtils]: Spent 7.71s 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) [2022-11-23 14:51:41,737 WARN L233 SmtUtils]: Spent 6.26s 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) [2022-11-23 14:51:42,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [994731137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:51:42,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:51:42,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-23 14:51:42,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128464490] [2022-11-23 14:51:42,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:51:42,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 14:51:42,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:51:42,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 14:51:42,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-23 14:51:42,863 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) [2022-11-23 14:51:45,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:51:47,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:51:49,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:51:51,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:51:53,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:51:55,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:52:01,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:52:05,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:52:06,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:52:06,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:52:06,687 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-11-23 14:52:06,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 14:52:06,693 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 [2022-11-23 14:52:06,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:52:06,694 INFO L225 Difference]: With dead ends: 175 [2022-11-23 14:52:06,694 INFO L226 Difference]: Without dead ends: 96 [2022-11-23 14:52:06,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 51.0s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-23 14:52:06,696 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 9 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 4 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2022-11-23 14:52:06,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 652 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 341 Invalid, 6 Unknown, 0 Unchecked, 23.8s Time] [2022-11-23 14:52:06,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-23 14:52:06,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-23 14:52:06,729 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) [2022-11-23 14:52:06,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-23 14:52:06,736 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-11-23 14:52:06,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:52:06,736 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-23 14:52:06,736 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) [2022-11-23 14:52:06,737 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-23 14:52:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-23 14:52:06,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:52:06,739 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] [2022-11-23 14:52:06,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-23 14:52:06,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:52:06,947 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:52:06,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:52:06,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1505724306, now seen corresponding path program 1 times [2022-11-23 14:52:06,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:52:06,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452023579] [2022-11-23 14:52:06,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:52:06,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:52:07,014 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:52:07,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1505686139] [2022-11-23 14:52:07,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:52:07,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:52:07,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:52:07,016 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:52:07,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d7c156-9232-452f-91cf-f54b9551dcb2/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:52:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:52:07,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:52:07,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:52:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:52:07,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:52:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 14:52:07,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:52:07,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452023579] [2022-11-23 14:52:07,736 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:52:07,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505686139] [2022-11-23 14:52:07,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505686139] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:52:07,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [370219922] [2022-11-23 14:52:07,739 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-23 14:52:07,739 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:52:07,739 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:52:07,739 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:52:07,740 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:52:07,807 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:52:07,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 14:52:07,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-23 14:52:07,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:07,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:52:07,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-23 14:52:07,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:07,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:52:07,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:07,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 14:52:08,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 14:52:08,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-23 14:52:08,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:52:08,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-23 14:52:08,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 14:52:08,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:52:08,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:52:08,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 14:52:08,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:08,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 14:52:08,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 14:52:08,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-23 14:52:08,627 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:52:08,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 14:52:08,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-23 14:52:08,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:52:08,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 14:52:08,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 14:52:08,866 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:52:08,866 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 [2022-11-23 14:52:08,899 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-23 14:52:08,899 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 [2022-11-23 14:52:08,930 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:52:08,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-23 14:52:08,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 14:52:08,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-23 14:52:08,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-23 14:52:09,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-23 14:52:09,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 14:52:09,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 14:52:09,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:52:09,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-23 14:52:09,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-23 14:52:09,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-23 14:52:10,244 INFO L217 Elim1Store]: Index analysis took 675 ms [2022-11-23 14:52:13,453 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-23 14:52:13,454 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 [2022-11-23 14:52:14,874 INFO L217 Elim1Store]: Index analysis took 1238 ms [2022-11-23 14:52:19,346 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-23 14:52:19,347 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 [2022-11-23 14:52:31,668 WARN L233 SmtUtils]: Spent 12.27s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:52:31,668 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 14:52:31,669 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 [2022-11-23 14:52:31,878 INFO L217 Elim1Store]: Index analysis took 105 ms [2022-11-23 14:52:53,074 WARN L233 SmtUtils]: Spent 21.19s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:52:53,074 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 14:52:53,075 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 [2022-11-23 14:52:53,856 INFO L217 Elim1Store]: Index analysis took 582 ms [2022-11-23 14:53:19,297 WARN L233 SmtUtils]: Spent 24.93s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 14:53:19,298 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-23 14:53:19,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-23 14:53:20,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:53:20,665 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 [2022-11-23 14:53:20,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:53:20,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:53:20,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:53:20,874 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 [2022-11-23 14:56:26,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:56:26,025 INFO L217 Elim1Store]: Index analysis took 110 ms [2022-11-23 14:56:26,027 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 [2022-11-23 14:56:26,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:56:26,234 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 [2022-11-23 15:00:07,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:07,511 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 [2022-11-23 15:00:07,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:00:07,710 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