./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.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_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/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_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/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_d858549c-109c-4feb-bf72-0ac668f7eeab/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 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:01:23,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:01:23,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:01:23,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:01:23,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:01:23,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:01:23,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:01:23,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:01:23,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:01:23,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:01:23,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:01:23,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:01:23,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:01:23,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:01:23,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:01:23,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:01:23,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:01:23,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:01:23,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:01:23,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:01:23,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:01:23,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:01:23,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:01:23,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:01:23,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:01:23,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:01:23,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:01:23,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:01:23,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:01:23,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:01:23,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:01:23,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:01:23,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:01:23,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:01:23,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:01:23,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:01:23,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:01:23,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:01:23,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:01:23,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:01:23,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:01:23,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 20:01:23,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:01:23,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:01:23,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:01:23,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:01:23,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:01:23,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:01:23,743 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:01:23,744 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:01:23,744 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:01:23,744 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:01:23,745 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:01:23,746 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:01:23,746 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:01:23,746 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:01:23,746 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:01:23,747 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:01:23,747 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:01:23,747 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:01:23,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:01:23,749 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:01:23,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:01:23,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:01:23,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:01:23,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:01:23,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:01:23,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:01:23,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:01:23,753 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 20:01:23,754 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:01:23,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:01:23,754 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:01:23,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:01:23,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:01:23,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:01:23,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:01:23,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:01:23,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:01:23,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:01:23,756 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:01:23,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:01:23,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:01:23,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:01:23,757 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:01:23,757 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_d858549c-109c-4feb-bf72-0ac668f7eeab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d [2021-11-25 20:01:24,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:01:24,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:01:24,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:01:24,036 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:01:24,039 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:01:24,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2021-11-25 20:01:24,127 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/data/1a03b49c8/1b4b196b2d224626b5b291f75afcdbb2/FLAG4485e7493 [2021-11-25 20:01:24,964 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:01:24,965 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2021-11-25 20:01:25,001 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/data/1a03b49c8/1b4b196b2d224626b5b291f75afcdbb2/FLAG4485e7493 [2021-11-25 20:01:25,109 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/data/1a03b49c8/1b4b196b2d224626b5b291f75afcdbb2 [2021-11-25 20:01:25,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:01:25,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:01:25,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:01:25,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:01:25,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:01:25,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:01:25" (1/1) ... [2021-11-25 20:01:25,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6b57df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:25, skipping insertion in model container [2021-11-25 20:01:25,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:01:25" (1/1) ... [2021-11-25 20:01:25,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:01:25,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:01:25,706 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_d858549c-109c-4feb-bf72-0ac668f7eeab/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[33021,33034] [2021-11-25 20:01:25,885 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_d858549c-109c-4feb-bf72-0ac668f7eeab/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[44124,44137] [2021-11-25 20:01:25,886 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_d858549c-109c-4feb-bf72-0ac668f7eeab/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[44245,44258] [2021-11-25 20:01:25,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:01:25,938 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:01:25,990 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_d858549c-109c-4feb-bf72-0ac668f7eeab/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[33021,33034] [2021-11-25 20:01:26,095 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_d858549c-109c-4feb-bf72-0ac668f7eeab/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[44124,44137] [2021-11-25 20:01:26,100 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_d858549c-109c-4feb-bf72-0ac668f7eeab/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[44245,44258] [2021-11-25 20:01:26,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:01:26,172 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:01:26,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:26 WrapperNode [2021-11-25 20:01:26,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:01:26,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:01:26,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:01:26,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:01:26,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:26" (1/1) ... [2021-11-25 20:01:26,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:26" (1/1) ... [2021-11-25 20:01:26,318 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-25 20:01:26,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:01:26,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:01:26,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:01:26,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:01:26,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:26" (1/1) ... [2021-11-25 20:01:26,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:26" (1/1) ... [2021-11-25 20:01:26,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:26" (1/1) ... [2021-11-25 20:01:26,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:26" (1/1) ... [2021-11-25 20:01:26,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:26" (1/1) ... [2021-11-25 20:01:26,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:26" (1/1) ... [2021-11-25 20:01:26,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:26" (1/1) ... [2021-11-25 20:01:26,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:01:26,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:01:26,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:01:26,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:01:26,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:26" (1/1) ... [2021-11-25 20:01:26,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:01:26,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:01:26,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:01:26,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:01:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:01:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:01:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:01:26,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:01:26,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:01:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:01:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:01:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:01:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:01:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:01:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:01:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:01:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:01:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:01:26,972 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:01:26,973 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:01:28,122 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:01:28,498 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:01:28,499 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-25 20:01:28,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:01:28 BoogieIcfgContainer [2021-11-25 20:01:28,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:01:28,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:01:28,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:01:28,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:01:28,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:01:25" (1/3) ... [2021-11-25 20:01:28,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12eb949a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:01:28, skipping insertion in model container [2021-11-25 20:01:28,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:26" (2/3) ... [2021-11-25 20:01:28,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12eb949a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:01:28, skipping insertion in model container [2021-11-25 20:01:28,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:01:28" (3/3) ... [2021-11-25 20:01:28,519 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test7-2.i [2021-11-25 20:01:28,525 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:01:28,525 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-25 20:01:28,590 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:01:28,598 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 20:01:28,598 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-25 20:01:28,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:01:28,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 20:01:28,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:01:28,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 20:01:28,624 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 20:01:28,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:01:28,631 INFO L85 PathProgramCache]: Analyzing trace with hash 28375133, now seen corresponding path program 1 times [2021-11-25 20:01:28,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:01:28,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784584984] [2021-11-25 20:01:28,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:28,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:01:28,798 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:01:28,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1544531078] [2021-11-25 20:01:28,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:28,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:01:28,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:01:28,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:01:28,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:01:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:01:29,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-25 20:01:29,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:01:29,109 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 20:01:29,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 20:01:29,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:29,213 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 22 treesize of output 10 [2021-11-25 20:01:29,232 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 20:01:29,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:01:29,232 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:01:29,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784584984] [2021-11-25 20:01:29,234 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:01:29,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544531078] [2021-11-25 20:01:29,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544531078] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:01:29,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:01:29,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:01:29,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204094960] [2021-11-25 20:01:29,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:01:29,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:01:29,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:01:29,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:01:29,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:01:29,281 INFO L87 Difference]: Start difference. First operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:01:32,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:01:33,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:01:33,136 INFO L93 Difference]: Finished difference Result 316 states and 552 transitions. [2021-11-25 20:01:33,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:01:33,146 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 20:01:33,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:01:33,156 INFO L225 Difference]: With dead ends: 316 [2021-11-25 20:01:33,156 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 20:01:33,159 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 20:01:33,164 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:01:33,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 324 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-11-25 20:01:33,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 20:01:33,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2021-11-25 20:01:33,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:01:33,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-25 20:01:33,259 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2021-11-25 20:01:33,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:01:33,260 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-25 20:01:33,261 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 20:01:33,261 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-25 20:01:33,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 20:01:33,265 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:01:33,265 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] [2021-11-25 20:01:33,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:01:33,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:01:33,480 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 20:01:33,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:01:33,481 INFO L85 PathProgramCache]: Analyzing trace with hash 637186690, now seen corresponding path program 1 times [2021-11-25 20:01:33,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:01:33,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721060007] [2021-11-25 20:01:33,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:33,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:01:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:01:33,643 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 20:01:33,644 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:01:33,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721060007] [2021-11-25 20:01:33,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721060007] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:01:33,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:01:33,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:01:33,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934995208] [2021-11-25 20:01:33,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:01:33,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:01:33,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:01:33,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:01:33,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:01:33,648 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:01:35,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:01:35,747 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2021-11-25 20:01:35,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:01:35,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-25 20:01:35,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:01:35,757 INFO L225 Difference]: With dead ends: 211 [2021-11-25 20:01:35,757 INFO L226 Difference]: Without dead ends: 159 [2021-11-25 20:01:35,758 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 20:01:35,760 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:01:35,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 300 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 20:01:35,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-25 20:01:35,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2021-11-25 20:01:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:01:35,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2021-11-25 20:01:35,774 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2021-11-25 20:01:35,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:01:35,775 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2021-11-25 20:01:35,775 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), 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 20:01:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-25 20:01:35,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 20:01:35,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:01:35,777 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] [2021-11-25 20:01:35,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:01:35,778 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 20:01:35,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:01:35,779 INFO L85 PathProgramCache]: Analyzing trace with hash -401054575, now seen corresponding path program 1 times [2021-11-25 20:01:35,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:01:35,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972750458] [2021-11-25 20:01:35,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:35,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:01:35,906 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:01:35,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [324175449] [2021-11-25 20:01:35,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:35,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:01:35,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:01:35,914 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:01:35,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:01:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:01:36,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:01:36,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:01:36,792 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 20:01:36,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:01:36,793 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:01:36,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972750458] [2021-11-25 20:01:36,793 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:01:36,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324175449] [2021-11-25 20:01:36,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324175449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:01:36,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:01:36,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:01:36,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168342942] [2021-11-25 20:01:36,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:01:36,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:01:36,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:01:36,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:01:36,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:01:36,800 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:01:37,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:01:37,919 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2021-11-25 20:01:37,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:01:37,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-25 20:01:37,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:01:37,928 INFO L225 Difference]: With dead ends: 277 [2021-11-25 20:01:37,928 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 20:01:37,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:01:37,931 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:01:37,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 218 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 20:01:37,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 20:01:37,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-11-25 20:01:37,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:01:37,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2021-11-25 20:01:37,947 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2021-11-25 20:01:37,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:01:37,948 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2021-11-25 20:01:37,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:01:37,948 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2021-11-25 20:01:37,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 20:01:37,949 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:01:37,950 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] [2021-11-25 20:01:37,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:01:38,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:01:38,172 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 20:01:38,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:01:38,172 INFO L85 PathProgramCache]: Analyzing trace with hash -886306081, now seen corresponding path program 1 times [2021-11-25 20:01:38,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:01:38,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007382942] [2021-11-25 20:01:38,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:38,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:01:38,229 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:01:38,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [623551559] [2021-11-25 20:01:38,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:38,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:01:38,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:01:38,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:01:38,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:01:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:01:39,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:01:39,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:01:39,433 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 20:01:39,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:01:39,433 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:01:39,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007382942] [2021-11-25 20:01:39,434 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:01:39,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623551559] [2021-11-25 20:01:39,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623551559] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:01:39,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:01:39,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:01:39,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754143573] [2021-11-25 20:01:39,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:01:39,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:01:39,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:01:39,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:01:39,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:01:39,437 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:01:41,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:01:41,382 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-11-25 20:01:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:01:41,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2021-11-25 20:01:41,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:01:41,404 INFO L225 Difference]: With dead ends: 308 [2021-11-25 20:01:41,404 INFO L226 Difference]: Without dead ends: 164 [2021-11-25 20:01:41,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:01:41,407 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:01:41,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 20:01:41,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-25 20:01:41,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-11-25 20:01:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-25 20:01:41,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2021-11-25 20:01:41,425 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2021-11-25 20:01:41,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:01:41,425 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2021-11-25 20:01:41,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:01:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2021-11-25 20:01:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 20:01:41,428 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:01:41,428 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] [2021-11-25 20:01:41,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:01:41,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-25 20:01:41,656 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 20:01:41,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:01:41,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1426734659, now seen corresponding path program 1 times [2021-11-25 20:01:41,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:01:41,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452610214] [2021-11-25 20:01:41,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:41,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:01:41,731 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:01:41,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [735711040] [2021-11-25 20:01:41,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:41,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:01:41,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:01:41,737 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:01:41,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d858549c-109c-4feb-bf72-0ac668f7eeab/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:01:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:01:44,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:01:44,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:01:44,569 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:01:44,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:01:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:01:44,722 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:01:44,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452610214] [2021-11-25 20:01:44,722 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:01:44,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735711040] [2021-11-25 20:01:44,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735711040] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:01:44,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1935829508] [2021-11-25 20:01:44,744 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-25 20:01:44,744 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:01:44,749 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:01:44,755 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:01:44,756 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:01:44,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:44,874 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 20:01:44,883 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 20:01:44,890 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 20:01:44,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:44,914 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 20:01:44,914 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 20:01:44,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:44,946 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 20:01:44,946 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 20:01:44,998 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 20:01:45,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,042 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:01:45,043 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 20:01:45,057 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 15 treesize of output 1 [2021-11-25 20:01:45,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 20:01:45,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,090 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 20:01:45,150 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 20:01:45,162 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 20:01:45,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,179 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 20:01:45,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,651 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 20:01:45,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,678 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 20:01:45,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,710 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 20:01:45,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,737 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 20:01:45,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,780 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 20:01:45,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,798 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 20:01:45,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,845 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 20:01:45,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,877 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 20:01:45,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,948 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 20:01:45,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:45,975 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 20:01:45,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,014 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 20:01:46,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,047 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 20:01:46,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 20:01:46,189 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 13 treesize of output 9 [2021-11-25 20:01:46,193 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 20:01:46,199 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 20:01:46,260 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:01:46,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 58 [2021-11-25 20:01:46,295 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 20:01:46,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2021-11-25 20:01:46,327 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:01:46,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 20:01:46,370 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 20:01:46,375 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 20:01:46,381 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 20:01:46,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,445 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 46 treesize of output 16 [2021-11-25 20:01:46,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,464 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 78 treesize of output 30 [2021-11-25 20:01:46,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,518 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 20:01:46,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,657 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 46 treesize of output 16 [2021-11-25 20:01:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,687 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 20:01:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:01:46,710 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 78 treesize of output 30 [2021-11-25 20:01:53,502 WARN L227 SmtUtils]: Spent 6.65s 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 20:01:53,503 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:01:53,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 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 20:01:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:02,387 WARN L227 SmtUtils]: Spent 8.73s 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 20:02:02,388 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:02:02,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 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 20:02:02,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:03,008 INFO L244 Elim1Store]: Index analysis took 365 ms [2021-11-25 20:02:14,634 WARN L227 SmtUtils]: Spent 11.30s 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 20:02:14,635 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 20:02:14,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 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 20:02:15,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:15,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:15,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:15,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:15,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:15,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:15,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:15,337 INFO L244 Elim1Store]: Index analysis took 226 ms [2021-11-25 20:02:15,981 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 20:02:15,982 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 20:02:16,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:16,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:16,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:16,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:16,356 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-11-25 20:02:16,372 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 20:02:16,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 20:02:16,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:16,964 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:02:16,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 20:02:17,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:17,397 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:02:17,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 20:02:17,474 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:02:17,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:02:17,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:17,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 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 20:02:17,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:17,651 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 20:02:17,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:17,988 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 20:02:17,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-25 20:02:18,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:18,240 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 20:02:18,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-25 20:02:18,355 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:02:18,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:02:18,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:18,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-11-25 20:02:19,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:19,376 INFO L244 Elim1Store]: Index analysis took 196 ms [2021-11-25 20:02:20,664 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:02:20,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 5434 [2021-11-25 20:02:49,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:02:49,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:49,517 INFO L244 Elim1Store]: Index analysis took 228 ms [2021-11-25 20:02:52,335 INFO L354 Elim1Store]: treesize reduction 36, result has 98.1 percent of original size [2021-11-25 20:02:52,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4154 treesize of output 5522 [2021-11-25 20:03:00,429 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:03:00,508 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:03:00,578 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:03:00,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:03:00,778 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:03:00,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:03:04,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:04,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:04,056 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-11-25 20:03:04,198 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-25 20:03:04,198 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 8 case distinctions, treesize of input 4054 treesize of output 3592 [2021-11-25 20:03:26,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:26,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:26,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:26,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:03:26,351 INFO L244 Elim1Store]: Index analysis took 309 ms [2021-11-25 20:03:31,537 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 20:03:31,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 8 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 858945 treesize of output 852011 [2021-11-25 20:04:15,428 WARN L227 SmtUtils]: Spent 7.64s on a formula simplification. DAG size of input: 1057 DAG size of output: 1052 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)