./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:49:47,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:49:47,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:49:47,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:49:47,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:49:47,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:49:47,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:49:47,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:49:47,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:49:47,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:49:47,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:49:47,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:49:47,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:49:47,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:49:47,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:49:47,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:49:47,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:49:47,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:49:47,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:49:47,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:49:47,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:49:47,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:49:47,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:49:47,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:49:47,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:49:47,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:49:47,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:49:47,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:49:47,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:49:47,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:49:47,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:49:47,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:49:47,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:49:47,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:49:47,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:49:47,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:49:47,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:49:47,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:49:47,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:49:47,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:49:47,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:49:47,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:49:47,372 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:49:47,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:49:47,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:49:47,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:49:47,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:49:47,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:49:47,375 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:49:47,375 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:49:47,375 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:49:47,376 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:49:47,377 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:49:47,377 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:49:47,377 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:49:47,377 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:49:47,378 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:49:47,378 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:49:47,378 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:49:47,378 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:49:47,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:49:47,380 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:49:47,380 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:49:47,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:49:47,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:49:47,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:49:47,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:49:47,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:49:47,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:49:47,382 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:49:47,382 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:49:47,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:49:47,383 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:49:47,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:49:47,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:49:47,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:49:47,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:49:47,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:49:47,385 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:49:47,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:49:47,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:49:47,385 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:49:47,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:49:47,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:49:47,386 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:49:47,386 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_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 [2022-11-25 23:49:47,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:49:47,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:49:47,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:49:47,750 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:49:47,751 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:49:47,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2022-11-25 23:49:50,758 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:49:51,152 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:49:51,155 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2022-11-25 23:49:51,171 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/data/5f101723b/3b132cce8bea432e802ddc83128ffa55/FLAG1f3eed47e [2022-11-25 23:49:51,189 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/data/5f101723b/3b132cce8bea432e802ddc83128ffa55 [2022-11-25 23:49:51,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:49:51,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:49:51,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:49:51,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:49:51,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:49:51,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:49:51" (1/1) ... [2022-11-25 23:49:51,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb856fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:51, skipping insertion in model container [2022-11-25 23:49:51,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:49:51" (1/1) ... [2022-11-25 23:49:51,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:49:51,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:49:51,721 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_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[33021,33034] [2022-11-25 23:49:51,850 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:49:51,861 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_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44124,44137] [2022-11-25 23:49:51,862 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_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44245,44258] [2022-11-25 23:49:51,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:49:51,879 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:49:51,914 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_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[33021,33034] [2022-11-25 23:49:51,990 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:49:52,002 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_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44124,44137] [2022-11-25 23:49:52,007 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_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44245,44258] [2022-11-25 23:49:52,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:49:52,059 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:49:52,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:52 WrapperNode [2022-11-25 23:49:52,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:49:52,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:49:52,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:49:52,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:49:52,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:52" (1/1) ... [2022-11-25 23:49:52,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:52" (1/1) ... [2022-11-25 23:49:52,158 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 998 [2022-11-25 23:49:52,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:49:52,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:49:52,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:49:52,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:49:52,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:52" (1/1) ... [2022-11-25 23:49:52,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:52" (1/1) ... [2022-11-25 23:49:52,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:52" (1/1) ... [2022-11-25 23:49:52,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:52" (1/1) ... [2022-11-25 23:49:52,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:52" (1/1) ... [2022-11-25 23:49:52,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:52" (1/1) ... [2022-11-25 23:49:52,240 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:52" (1/1) ... [2022-11-25 23:49:52,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:52" (1/1) ... [2022-11-25 23:49:52,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:49:52,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:49:52,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:49:52,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:49:52,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:52" (1/1) ... [2022-11-25 23:49:52,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:49:52,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:49:52,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:49:52,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:49:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:49:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:49:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:49:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:49:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:49:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:49:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:49:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:49:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:49:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:49:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:49:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:49:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:49:52,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:49:52,649 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:49:52,651 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:49:54,299 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:49:54,721 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:49:54,721 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-25 23:49:54,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:49:54 BoogieIcfgContainer [2022-11-25 23:49:54,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:49:54,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:49:54,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:49:54,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:49:54,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:49:51" (1/3) ... [2022-11-25 23:49:54,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105b13c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:49:54, skipping insertion in model container [2022-11-25 23:49:54,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:49:52" (2/3) ... [2022-11-25 23:49:54,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105b13c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:49:54, skipping insertion in model container [2022-11-25 23:49:54,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:49:54" (3/3) ... [2022-11-25 23:49:54,733 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test7-1.i [2022-11-25 23:49:54,752 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:49:54,752 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-25 23:49:54,801 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:49:54,808 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;@2463bd9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:49:54,808 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-25 23:49:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:49:54,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:49:54,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:49:54,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:49:54,820 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:49:54,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:49:54,825 INFO L85 PathProgramCache]: Analyzing trace with hash 24408931, now seen corresponding path program 1 times [2022-11-25 23:49:54,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:49:54,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627861643] [2022-11-25 23:49:54,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:49:54,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:49:54,978 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:49:54,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [770815179] [2022-11-25 23:49:54,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:49:54,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:49:54,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:49:54,988 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:49:55,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:49:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:49:55,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 23:49:55,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:49:55,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 23:49:55,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-25 23:49:55,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:49:55,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-25 23:49:55,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:49:55,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:49:55,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:49:55,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627861643] [2022-11-25 23:49:55,395 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:49:55,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770815179] [2022-11-25 23:49:55,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770815179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:49:55,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:49:55,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:49:55,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461085894] [2022-11-25 23:49:55,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:49:55,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:49:55,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:49:55,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:49:55,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:49:55,442 INFO L87 Difference]: Start difference. First operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:49:56,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:49:56,635 INFO L93 Difference]: Finished difference Result 285 states and 496 transitions. [2022-11-25 23:49:56,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:49:56,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-25 23:49:56,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:49:56,648 INFO L225 Difference]: With dead ends: 285 [2022-11-25 23:49:56,648 INFO L226 Difference]: Without dead ends: 165 [2022-11-25 23:49:56,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:49:56,655 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 58 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:49:56,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 292 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 23:49:56,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-25 23:49:56,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2022-11-25 23:49:56,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:49:56,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2022-11-25 23:49:56,705 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2022-11-25 23:49:56,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:49:56,706 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2022-11-25 23:49:56,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:49:56,707 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2022-11-25 23:49:56,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 23:49:56,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:49:56,709 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] [2022-11-25 23:49:56,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:49:56,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-25 23:49:56,915 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:49:56,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:49:56,916 INFO L85 PathProgramCache]: Analyzing trace with hash 2001327283, now seen corresponding path program 1 times [2022-11-25 23:49:56,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:49:56,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182102855] [2022-11-25 23:49:56,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:49:56,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:49:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:49:57,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:49:57,505 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:49:57,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182102855] [2022-11-25 23:49:57,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182102855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:49:57,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:49:57,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:49:57,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112612082] [2022-11-25 23:49:57,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:49:57,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:49:57,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:49:57,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:49:57,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:49:57,509 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:49:59,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:49:59,639 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2022-11-25 23:49:59,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:49:59,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-25 23:49:59,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:49:59,645 INFO L225 Difference]: With dead ends: 211 [2022-11-25 23:49:59,646 INFO L226 Difference]: Without dead ends: 159 [2022-11-25 23:49:59,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:49:59,647 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:49:59,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 296 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-25 23:49:59,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-25 23:49:59,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2022-11-25 23:49:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:49:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2022-11-25 23:49:59,659 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2022-11-25 23:49:59,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:49:59,659 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2022-11-25 23:49:59,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:49:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2022-11-25 23:49:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 23:49:59,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:49:59,661 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] [2022-11-25 23:49:59,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:49:59,662 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:49:59,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:49:59,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1034865974, now seen corresponding path program 1 times [2022-11-25 23:49:59,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:49:59,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695524864] [2022-11-25 23:49:59,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:49:59,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:49:59,787 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:49:59,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [768725048] [2022-11-25 23:49:59,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:49:59,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:49:59,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:49:59,790 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:49:59,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:50:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:50:00,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:50:00,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:50:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:50:00,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:50:00,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:50:00,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695524864] [2022-11-25 23:50:00,659 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:50:00,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768725048] [2022-11-25 23:50:00,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768725048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:50:00,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:50:00,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:50:00,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668034775] [2022-11-25 23:50:00,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:50:00,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:50:00,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:50:00,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:50:00,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:50:00,669 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:50:01,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:50:01,640 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2022-11-25 23:50:01,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:50:01,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-25 23:50:01,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:50:01,646 INFO L225 Difference]: With dead ends: 277 [2022-11-25 23:50:01,646 INFO L226 Difference]: Without dead ends: 165 [2022-11-25 23:50:01,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:50:01,648 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:50:01,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 216 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 23:50:01,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-25 23:50:01,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2022-11-25 23:50:01,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:50:01,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2022-11-25 23:50:01,663 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2022-11-25 23:50:01,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:50:01,664 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2022-11-25 23:50:01,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:50:01,664 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2022-11-25 23:50:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-25 23:50:01,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:50:01,666 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] [2022-11-25 23:50:01,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:50:01,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:50:01,875 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:50:01,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:50:01,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1866068418, now seen corresponding path program 1 times [2022-11-25 23:50:01,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:50:01,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441973147] [2022-11-25 23:50:01,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:50:01,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:50:01,950 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:50:01,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2039563304] [2022-11-25 23:50:01,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:50:01,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:50:01,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:50:01,952 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:50:01,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:50:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:50:39,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:50:39,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:50:39,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:50:39,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:50:39,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:50:39,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441973147] [2022-11-25 23:50:39,178 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:50:39,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039563304] [2022-11-25 23:50:39,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039563304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:50:39,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:50:39,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:50:39,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489879433] [2022-11-25 23:50:39,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:50:39,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:50:39,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:50:39,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:50:39,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:50:39,182 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:50:40,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:50:40,370 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2022-11-25 23:50:40,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:50:40,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-11-25 23:50:40,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:50:40,377 INFO L225 Difference]: With dead ends: 308 [2022-11-25 23:50:40,377 INFO L226 Difference]: Without dead ends: 164 [2022-11-25 23:50:40,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:50:40,379 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:50:40,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 338 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 23:50:40,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-11-25 23:50:40,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2022-11-25 23:50:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-25 23:50:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2022-11-25 23:50:40,414 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2022-11-25 23:50:40,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:50:40,414 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2022-11-25 23:50:40,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:50:40,415 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2022-11-25 23:50:40,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 23:50:40,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:50:40,416 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:50:40,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:50:40,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:50:40,629 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-25 23:50:40,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:50:40,630 INFO L85 PathProgramCache]: Analyzing trace with hash -826585736, now seen corresponding path program 1 times [2022-11-25 23:50:40,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:50:40,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346144723] [2022-11-25 23:50:40,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:50:40,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:50:40,700 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:50:40,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1913967030] [2022-11-25 23:50:40,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:50:40,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:50:40,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:50:40,703 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:50:40,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9f6602-4ac9-4b9c-86b9-3380418fdc8b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:50:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:50:45,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 23:50:45,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:50:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:50:45,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:50:45,619 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:50:45,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:50:45,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346144723] [2022-11-25 23:50:45,620 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:50:45,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913967030] [2022-11-25 23:50:45,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913967030] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:50:45,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [931337563] [2022-11-25 23:50:45,645 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-25 23:50:45,645 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:50:45,649 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:50:45,654 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:50:45,655 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:50:45,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:50:45,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:45,775 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:50:45,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-25 23:50:45,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:45,808 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:50:45,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-25 23:50:45,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:45,822 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 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:50:45,836 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 15 treesize of output 1 [2022-11-25 23:50:45,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:50:45,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:45,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:45,956 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:50:45,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-25 23:50:45,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:50:45,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:45,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:45,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-25 23:50:46,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 37 treesize of output 38 [2022-11-25 23:50:46,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 84 treesize of output 64 [2022-11-25 23:50:46,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 23:50:46,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 23:50:46,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:50:46,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-25 23:50:46,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-25 23:50:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9896993 treesize of output 5376298 [2022-11-25 23:50:46,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 23:50:46,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:50:46,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:46,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:50:46,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-25 23:50:47,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:50:47,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 23:50:47,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,159 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 23:50:47,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-25 23:50:47,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,290 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:50:47,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-25 23:50:47,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-25 23:50:47,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 23:50:47,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 23:50:47,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:50:47,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-25 23:50:47,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-25 23:50:47,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-25 23:50:47,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 23:50:47,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 23:50:47,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-25 23:50:47,640 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 46 treesize of output 16 [2022-11-25 23:50:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 23:50:47,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 23:50:47,894 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 46 treesize of output 16 [2022-11-25 23:50:47,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:50:47,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 23:50:47,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-25 23:50:49,034 INFO L217 Elim1Store]: Index analysis took 732 ms [2022-11-25 23:50:51,551 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-25 23:50:51,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519766 treesize of output 9519770 [2022-11-25 23:50:56,386 INFO L217 Elim1Store]: Index analysis took 4684 ms [2022-11-25 23:50:59,341 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-25 23:50:59,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519771 treesize of output 9519774 [2022-11-25 23:51:07,841 WARN L233 SmtUtils]: Spent 8.44s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:51:07,842 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 23:51:07,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-25 23:51:08,086 INFO L217 Elim1Store]: Index analysis took 134 ms [2022-11-25 23:51:24,893 WARN L233 SmtUtils]: Spent 16.80s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:51:24,894 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 23:51:24,894 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 1829 [2022-11-25 23:51:25,578 INFO L217 Elim1Store]: Index analysis took 463 ms [2022-11-25 23:51:41,304 WARN L233 SmtUtils]: Spent 15.21s 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) [2022-11-25 23:51:41,305 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-25 23:51:41,305 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 [2022-11-25 23:51:42,705 INFO L217 Elim1Store]: Index analysis took 111 ms [2022-11-25 23:51:43,204 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-25 23:51:43,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-25 23:51:43,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-25 23:51:43,893 INFO L217 Elim1Store]: Index analysis took 424 ms [2022-11-25 23:51:45,045 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:51:45,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-25 23:51:49,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:51:49,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-25 23:51:49,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:49,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:51:49,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 23:51:49,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:49,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 23:51:49,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:49,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:51:49,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-25 23:51:50,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:50,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 23:51:51,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:51,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-25 23:51:51,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:51:51,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-25 23:52:04,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:04,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:04,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:04,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:05,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:05,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:05,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:05,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:05,147 INFO L217 Elim1Store]: Index analysis took 213 ms [2022-11-25 23:52:05,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:05,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 933 treesize of output 2068 [2022-11-25 23:52:05,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:05,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:52:05,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 132 [2022-11-25 23:52:05,648 INFO L321 Elim1Store]: treesize reduction 2407, result has 0.0 percent of original size [2022-11-25 23:52:05,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 17 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 19 new quantified variables, introduced 35 case distinctions, treesize of input 6321 treesize of output 50615 [2022-11-25 23:52:05,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 5 [2022-11-25 23:52:05,868 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 135 treesize of output 127 [2022-11-25 23:52:06,097 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:52:06,186 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:52:32,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:52:32,580 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:52:33,443 INFO L217 Elim1Store]: Index analysis took 242 ms