./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7 --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 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:22:52,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:22:52,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:22:52,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:22:52,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:22:52,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:22:52,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:22:52,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:22:52,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:22:52,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:22:52,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:22:52,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:22:52,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:22:52,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:22:52,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:22:52,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:22:52,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:22:52,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:22:52,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:22:52,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:22:52,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:22:52,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:22:52,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:22:52,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:22:52,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:22:52,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:22:52,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:22:52,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:22:52,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:22:52,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:22:52,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:22:52,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:22:52,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:22:52,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:22:52,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:22:52,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:22:52,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:22:52,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:22:52,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:22:52,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:22:52,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:22:52,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 20:22:52,677 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:22:52,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:22:52,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:22:52,678 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:22:52,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:22:52,680 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:22:52,680 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:22:52,681 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:22:52,681 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:22:52,681 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:22:52,683 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:22:52,683 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:22:52,684 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:22:52,684 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:22:52,684 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:22:52,685 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:22:52,685 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:22:52,685 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:22:52,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:22:52,687 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:22:52,687 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:22:52,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:22:52,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:22:52,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:22:52,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:22:52,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:22:52,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:22:52,691 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 20:22:52,691 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:22:52,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:22:52,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:22:52,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:22:52,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:22:52,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:22:52,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:22:52,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:22:52,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:22:52,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:22:52,695 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:22:52,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:22:52,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:22:52,696 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:22:52,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:22:52,697 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f1df6d4bc7961b41bec7d16d328ef23e1639399b1fb3a18bcdda9891a98148 [2021-11-25 20:22:53,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:22:53,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:22:53,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:22:53,126 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:22:53,127 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:22:53,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2021-11-25 20:22:53,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/data/a51626259/a08fbd8ba3924d6baff095aa3e8d7b11/FLAG5a3c7a98a [2021-11-25 20:22:54,041 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:22:54,041 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i [2021-11-25 20:22:54,084 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/data/a51626259/a08fbd8ba3924d6baff095aa3e8d7b11/FLAG5a3c7a98a [2021-11-25 20:22:54,192 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/data/a51626259/a08fbd8ba3924d6baff095aa3e8d7b11 [2021-11-25 20:22:54,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:22:54,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:22:54,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:22:54,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:22:54,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:22:54,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:22:54" (1/1) ... [2021-11-25 20:22:54,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151d2397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:54, skipping insertion in model container [2021-11-25 20:22:54,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:22:54" (1/1) ... [2021-11-25 20:22:54,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:22:54,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:22:54,816 WARN L230 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_c07d7c7a-934c-4fa5-b266-8739c346e78b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[33021,33034] [2021-11-25 20:22:55,013 WARN L230 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_c07d7c7a-934c-4fa5-b266-8739c346e78b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[45234,45247] [2021-11-25 20:22:55,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:22:55,061 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:22:55,097 WARN L230 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_c07d7c7a-934c-4fa5-b266-8739c346e78b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[33021,33034] [2021-11-25 20:22:55,180 WARN L230 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_c07d7c7a-934c-4fa5-b266-8739c346e78b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-2.i[45234,45247] [2021-11-25 20:22:55,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:22:55,261 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:22:55,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:55 WrapperNode [2021-11-25 20:22:55,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:22:55,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:22:55,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:22:55,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:22:55,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:55" (1/1) ... [2021-11-25 20:22:55,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:55" (1/1) ... [2021-11-25 20:22:55,500 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-25 20:22:55,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:22:55,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:22:55,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:22:55,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:22:55,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:55" (1/1) ... [2021-11-25 20:22:55,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:55" (1/1) ... [2021-11-25 20:22:55,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:55" (1/1) ... [2021-11-25 20:22:55,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:55" (1/1) ... [2021-11-25 20:22:55,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:55" (1/1) ... [2021-11-25 20:22:55,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:55" (1/1) ... [2021-11-25 20:22:55,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:55" (1/1) ... [2021-11-25 20:22:55,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:22:55,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:22:55,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:22:55,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:22:55,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:55" (1/1) ... [2021-11-25 20:22:55,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:22:55,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:22:55,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:22:55,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:22:55,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:22:55,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:22:55,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:22:55,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:22:55,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:22:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:22:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-25 20:22:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-25 20:22:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:22:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:22:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:22:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:22:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:22:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:22:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:22:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:22:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:22:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:22:56,136 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:22:56,139 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:22:57,483 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:22:58,021 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:22:58,021 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-25 20:22:58,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:22:58 BoogieIcfgContainer [2021-11-25 20:22:58,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:22:58,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:22:58,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:22:58,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:22:58,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:22:54" (1/3) ... [2021-11-25 20:22:58,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@959d824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:22:58, skipping insertion in model container [2021-11-25 20:22:58,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:55" (2/3) ... [2021-11-25 20:22:58,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@959d824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:22:58, skipping insertion in model container [2021-11-25 20:22:58,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:22:58" (3/3) ... [2021-11-25 20:22:58,039 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test8-2.i [2021-11-25 20:22:58,047 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:22:58,047 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-25 20:22:58,130 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:22:58,145 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:22:58,145 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-25 20:22:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 20:22:58,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 20:22:58,187 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:58,187 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 20:22:58,189 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:22:58,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:58,196 INFO L85 PathProgramCache]: Analyzing trace with hash 32406471, now seen corresponding path program 1 times [2021-11-25 20:22:58,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:58,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288952230] [2021-11-25 20:22:58,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:58,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:58,405 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:22:58,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1260595194] [2021-11-25 20:22:58,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:58,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:22:58,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:22:58,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:22:58,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:22:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:58,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 20:22:58,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:22:58,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:22:58,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:22:58,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 7 [2021-11-25 20:22:58,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:22:58,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:22:58,929 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:58,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288952230] [2021-11-25 20:22:58,930 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:22:58,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260595194] [2021-11-25 20:22:58,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260595194] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:22:58,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:22:58,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:22:58,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414769114] [2021-11-25 20:22:58,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:22:58,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:22:58,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:58,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:22:58,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:22:59,001 INFO L87 Difference]: Start difference. First operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) 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) [2021-11-25 20:23:00,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:00,725 INFO L93 Difference]: Finished difference Result 410 states and 706 transitions. [2021-11-25 20:23:00,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:23:00,729 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 [2021-11-25 20:23:00,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:00,744 INFO L225 Difference]: With dead ends: 410 [2021-11-25 20:23:00,745 INFO L226 Difference]: Without dead ends: 217 [2021-11-25 20:23:00,774 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:23:00,778 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 71 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:00,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 533 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 20:23:00,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-25 20:23:00,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 160. [2021-11-25 20:23:00,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 20:23:00,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2021-11-25 20:23:00,890 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2021-11-25 20:23:00,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:00,892 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2021-11-25 20:23:00,893 INFO L471 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) [2021-11-25 20:23:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2021-11-25 20:23:00,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 20:23:00,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:00,897 INFO L514 BasicCegarLoop]: 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] [2021-11-25 20:23:00,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:23:01,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 20:23:01,112 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:23:01,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:01,113 INFO L85 PathProgramCache]: Analyzing trace with hash 286543063, now seen corresponding path program 1 times [2021-11-25 20:23:01,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:01,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620358105] [2021-11-25 20:23:01,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:01,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:01,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:23:01,228 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:01,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620358105] [2021-11-25 20:23:01,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620358105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:01,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:01,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:23:01,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256845426] [2021-11-25 20:23:01,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:01,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:23:01,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:01,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:23:01,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:23:01,233 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:23:03,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:03,584 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2021-11-25 20:23:03,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:23:03,585 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-25 20:23:03,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:03,588 INFO L225 Difference]: With dead ends: 297 [2021-11-25 20:23:03,589 INFO L226 Difference]: Without dead ends: 204 [2021-11-25 20:23:03,590 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:23:03,592 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 51 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:03,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 520 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 20:23:03,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-11-25 20:23:03,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2021-11-25 20:23:03,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 20:23:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2021-11-25 20:23:03,615 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2021-11-25 20:23:03,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:03,616 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2021-11-25 20:23:03,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:23:03,616 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2021-11-25 20:23:03,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 20:23:03,618 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:03,618 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:23:03,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:23:03,619 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:23:03,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:03,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1273614148, now seen corresponding path program 1 times [2021-11-25 20:23:03,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:03,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430887737] [2021-11-25 20:23:03,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:03,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:03,802 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:23:03,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [789343456] [2021-11-25 20:23:03,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:03,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:03,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:23:03,812 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:23:03,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:23:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:04,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:23:04,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:23:04,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:23:04,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:23:04,742 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:04,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430887737] [2021-11-25 20:23:04,743 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:23:04,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789343456] [2021-11-25 20:23:04,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789343456] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:04,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:04,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:23:04,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782100467] [2021-11-25 20:23:04,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:04,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:23:04,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:04,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:23:04,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:23:04,747 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:23:06,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:23:07,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:07,778 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2021-11-25 20:23:07,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:23:07,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 20:23:07,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:07,793 INFO L225 Difference]: With dead ends: 247 [2021-11-25 20:23:07,793 INFO L226 Difference]: Without dead ends: 246 [2021-11-25 20:23:07,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:23:07,795 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 71 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:07,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 541 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 20:23:07,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-25 20:23:07,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2021-11-25 20:23:07,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 177 states have (on average 1.2542372881355932) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-25 20:23:07,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2021-11-25 20:23:07,825 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2021-11-25 20:23:07,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:07,826 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2021-11-25 20:23:07,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:23:07,827 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2021-11-25 20:23:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 20:23:07,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:07,829 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:23:07,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:23:08,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:08,056 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:23:08,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:08,057 INFO L85 PathProgramCache]: Analyzing trace with hash -827332882, now seen corresponding path program 1 times [2021-11-25 20:23:08,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:08,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923294853] [2021-11-25 20:23:08,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:08,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:08,213 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:23:08,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [335634881] [2021-11-25 20:23:08,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:08,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:08,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:23:08,221 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:23:08,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:23:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:09,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 1585 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:23:09,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:23:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:23:09,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:23:09,242 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:09,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923294853] [2021-11-25 20:23:09,242 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:23:09,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335634881] [2021-11-25 20:23:09,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335634881] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:09,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:09,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:23:09,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278578188] [2021-11-25 20:23:09,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:09,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:23:09,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:09,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:23:09,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:23:09,253 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:23:10,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:10,237 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2021-11-25 20:23:10,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:23:10,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-25 20:23:10,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:10,249 INFO L225 Difference]: With dead ends: 213 [2021-11-25 20:23:10,249 INFO L226 Difference]: Without dead ends: 212 [2021-11-25 20:23:10,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:23:10,251 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 190 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:10,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 286 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 20:23:10,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-25 20:23:10,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-11-25 20:23:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.2485875706214689) internal successors, (221), 198 states have internal predecessors, (221), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-25 20:23:10,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2021-11-25 20:23:10,279 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2021-11-25 20:23:10,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:10,279 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2021-11-25 20:23:10,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:23:10,280 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2021-11-25 20:23:10,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 20:23:10,282 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:10,283 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:23:10,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:23:10,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:10,500 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:23:10,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:10,500 INFO L85 PathProgramCache]: Analyzing trace with hash -290716707, now seen corresponding path program 1 times [2021-11-25 20:23:10,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:10,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177434875] [2021-11-25 20:23:10,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:10,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:10,643 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:23:10,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [377683627] [2021-11-25 20:23:10,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:10,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:10,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:23:10,645 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:23:10,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:23:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:11,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:23:11,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:23:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:23:11,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:23:11,716 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:11,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177434875] [2021-11-25 20:23:11,716 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:23:11,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377683627] [2021-11-25 20:23:11,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377683627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:11,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:11,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:23:11,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936897996] [2021-11-25 20:23:11,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:11,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:23:11,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:11,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:23:11,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:23:11,719 INFO L87 Difference]: Start difference. First operand 212 states and 269 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:23:12,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:12,645 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2021-11-25 20:23:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:23:12,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2021-11-25 20:23:12,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:12,648 INFO L225 Difference]: With dead ends: 432 [2021-11-25 20:23:12,648 INFO L226 Difference]: Without dead ends: 247 [2021-11-25 20:23:12,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:23:12,652 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:12,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 357 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 20:23:12,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-25 20:23:12,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2021-11-25 20:23:12,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 208 states have (on average 1.2307692307692308) internal successors, (256), 229 states have internal predecessors, (256), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-25 20:23:12,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2021-11-25 20:23:12,690 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2021-11-25 20:23:12,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:12,690 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2021-11-25 20:23:12,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:23:12,691 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2021-11-25 20:23:12,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 20:23:12,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:12,694 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:23:12,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 20:23:12,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:12,907 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:23:12,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:12,908 INFO L85 PathProgramCache]: Analyzing trace with hash -970471061, now seen corresponding path program 1 times [2021-11-25 20:23:12,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:12,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542263326] [2021-11-25 20:23:12,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:12,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:12,997 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:23:12,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2092782621] [2021-11-25 20:23:12,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:12,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:12,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:23:13,000 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:23:13,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 20:23:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:13,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:23:13,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:23:13,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:23:13,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:23:13,902 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:13,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542263326] [2021-11-25 20:23:13,903 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:23:13,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092782621] [2021-11-25 20:23:13,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092782621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:13,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:13,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:23:13,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007588737] [2021-11-25 20:23:13,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:13,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:23:13,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:13,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:23:13,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:23:13,906 INFO L87 Difference]: Start difference. First operand 244 states and 306 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:23:18,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:23:18,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:18,223 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2021-11-25 20:23:18,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:23:18,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2021-11-25 20:23:18,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:18,250 INFO L225 Difference]: With dead ends: 471 [2021-11-25 20:23:18,250 INFO L226 Difference]: Without dead ends: 248 [2021-11-25 20:23:18,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:23:18,253 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:18,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-25 20:23:18,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-25 20:23:18,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-25 20:23:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 233 states have internal predecessors, (260), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2021-11-25 20:23:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2021-11-25 20:23:18,275 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2021-11-25 20:23:18,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:18,276 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2021-11-25 20:23:18,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:23:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2021-11-25 20:23:18,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 20:23:18,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:18,279 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:23:18,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-25 20:23:18,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:18,496 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 20:23:18,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:18,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1407185215, now seen corresponding path program 1 times [2021-11-25 20:23:18,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:18,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465146995] [2021-11-25 20:23:18,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:18,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:18,556 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:23:18,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [512308770] [2021-11-25 20:23:18,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:18,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:18,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:23:18,563 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:23:18,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07d7c7a-934c-4fa5-b266-8739c346e78b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 20:23:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:20,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 20:23:20,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:23:20,409 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:23:20,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:23:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:23:20,670 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:20,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465146995] [2021-11-25 20:23:20,670 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:23:20,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512308770] [2021-11-25 20:23:20,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512308770] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:23:20,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [161974612] [2021-11-25 20:23:20,697 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-11-25 20:23:20,697 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:23:20,702 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:23:20,709 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:23:20,709 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:23:20,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:20,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:20,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:20,924 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 20:23:20,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:20,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 20:23:20,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:20,977 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 20:23:20,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:21,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:21,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,076 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:23:21,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 20:23:21,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:21,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,143 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:23:21,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:21,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:21,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:21,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:21,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:21,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:21,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2021-11-25 20:23:21,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-25 20:23:21,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:21,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:21,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:21,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-25 20:23:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,047 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:23:22,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:22,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 20:23:22,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 20:23:22,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:22,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:22,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:22,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:22,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 69 [2021-11-25 20:23:22,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 68 treesize of output 67 [2021-11-25 20:23:22,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 68 treesize of output 67 [2021-11-25 20:23:22,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:22,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:22,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:22,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 20:23:22,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:22,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:23:22,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 20:23:22,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 20:23:22,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:22,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:23:30,730 WARN L227 SmtUtils]: Spent 7.82s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:23:30,731 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:23:30,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 20:23:30,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:44,077 WARN L227 SmtUtils]: Spent 13.17s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:23:44,078 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:23:44,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 20:23:44,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:44,926 INFO L244 Elim1Store]: Index analysis took 483 ms [2021-11-25 20:24:00,501 WARN L227 SmtUtils]: Spent 15.15s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:24:00,503 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 20:24:00,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 20:24:01,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:01,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:01,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:01,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:01,436 INFO L244 Elim1Store]: Index analysis took 337 ms [2021-11-25 20:24:03,068 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 20:24:03,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 20:24:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:03,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:03,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:03,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:03,441 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-25 20:24:03,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 20:24:04,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:04,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:04,371 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:24:04,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 20:24:04,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:04,819 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:24:04,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 20:24:04,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:04,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 20:24:05,037 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:05,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:05,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:05,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 15 [2021-11-25 20:24:05,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:05,573 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 20:24:05,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-25 20:24:05,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:05,798 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-11-25 20:24:05,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:06,246 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-25 20:24:06,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-25 20:24:06,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:06,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:06,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 20:24:07,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:07,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:07,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:07,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:07,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:07,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:07,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:07,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:07,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3589 treesize of output 3133 [2021-11-25 20:24:07,488 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:07,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:07,592 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:07,620 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:07,666 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:07,701 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:07,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:07,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:07,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:07,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:07,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:07,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:07,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:07,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:07,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3577 treesize of output 3127 [2021-11-25 20:24:08,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:08,273 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-11-25 20:24:10,364 INFO L354 Elim1Store]: treesize reduction 31, result has 98.3 percent of original size [2021-11-25 20:24:10,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3598 treesize of output 4945 [2021-11-25 20:24:11,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:11,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:11,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:11,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:11,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:12,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:12,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:12,030 INFO L244 Elim1Store]: Index analysis took 169 ms [2021-11-25 20:24:12,174 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:24:12,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1274 treesize of output 876 [2021-11-25 20:24:12,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:12,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:12,342 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:12,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:12,430 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:12,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:12,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:12,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:12,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:12,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:12,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:12,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:12,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:12,693 INFO L244 Elim1Store]: Index analysis took 159 ms [2021-11-25 20:24:12,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1274 treesize of output 824 [2021-11-25 20:24:12,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:12,760 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:12,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:12,846 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:13,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:13,183 INFO L244 Elim1Store]: Index analysis took 173 ms [2021-11-25 20:24:15,361 INFO L354 Elim1Store]: treesize reduction 507, result has 72.9 percent of original size [2021-11-25 20:24:15,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 1797 treesize of output 2694 [2021-11-25 20:24:15,440 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:15,495 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:15,620 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:15,664 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:15,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:15,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:15,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:15,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:15,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:15,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:15,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:15,836 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-11-25 20:24:15,976 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:24:15,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1720 treesize of output 1516 [2021-11-25 20:24:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:16,988 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-11-25 20:24:17,428 INFO L354 Elim1Store]: treesize reduction 1671, result has 9.6 percent of original size [2021-11-25 20:24:17,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3586 treesize of output 3308 [2021-11-25 20:24:18,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:18,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3589 treesize of output 3133 [2021-11-25 20:24:18,371 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:18,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:18,437 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:18,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:18,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:18,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,687 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-11-25 20:24:18,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1788 treesize of output 1326 [2021-11-25 20:24:18,741 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:18,779 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:18,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:18,871 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:18,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:18,939 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:18,964 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:18,998 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:19,072 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:19,112 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:19,135 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:19,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:19,203 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:19,236 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:19,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:19,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:19,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:19,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:19,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:19,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:19,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:19,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:19,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3577 treesize of output 3127 [2021-11-25 20:24:19,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:19,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:19,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:19,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:19,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:20,067 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:24:20,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 3589 treesize of output 3203 [2021-11-25 20:24:20,412 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:20,460 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:20,504 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:20,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:20,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:20,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:20,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:20,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:20,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:20,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:20,693 INFO L244 Elim1Store]: Index analysis took 116 ms [2021-11-25 20:24:20,828 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:24:20,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1788 treesize of output 1378 [2021-11-25 20:24:20,917 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:20,954 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,036 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,067 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,105 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,143 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,172 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,207 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,282 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,438 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:21,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:21,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:21,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:21,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:21,987 INFO L244 Elim1Store]: Index analysis took 146 ms [2021-11-25 20:24:22,002 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 20:24:22,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3577 treesize of output 3127 [2021-11-25 20:24:23,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:23,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:23,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:23,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:23,782 INFO L244 Elim1Store]: Index analysis took 208 ms [2021-11-25 20:24:29,279 WARN L227 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 152 DAG size of output: 126 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:24:29,280 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-25 20:24:29,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 102870 treesize of output 104008