./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P --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 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:53:33,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:53:33,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:53:33,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:53:33,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:53:33,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:53:33,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:53:33,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:53:33,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:53:33,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:53:33,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:53:33,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:53:33,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:53:33,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:53:33,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:53:33,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:53:33,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:53:33,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:53:33,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:53:33,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:53:33,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:53:33,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:53:33,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:53:33,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:53:33,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:53:33,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:53:33,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:53:33,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:53:33,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:53:33,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:53:33,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:53:33,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:53:33,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:53:33,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:53:33,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:53:33,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:53:33,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:53:33,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:53:33,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:53:33,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:53:33,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:53:33,837 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:53:33,877 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:53:33,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:53:33,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:53:33,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:53:33,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:53:33,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:53:33,886 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:53:33,886 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:53:33,887 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:53:33,887 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:53:33,888 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:53:33,888 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:53:33,888 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:53:33,889 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:53:33,889 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:53:33,889 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:53:33,889 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:53:33,890 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:53:33,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:53:33,891 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:53:33,891 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:53:33,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:53:33,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:53:33,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:53:33,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:53:33,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:53:33,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:53:33,894 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:53:33,894 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:53:33,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:53:33,895 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:53:33,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:53:33,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:53:33,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:53:33,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:53:33,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:53:33,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:53:33,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:53:33,897 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:53:33,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:53:33,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:53:33,898 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:53:33,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:53:33,898 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_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57 [2021-11-21 00:53:34,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:53:34,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:53:34,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:53:34,163 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:53:34,163 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:53:34,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i [2021-11-21 00:53:34,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/data/26cdd03e7/0903b8181eee4b02ae68a6d8586637c5/FLAG3f0f59c58 [2021-11-21 00:53:34,906 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:53:34,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i [2021-11-21 00:53:34,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/data/26cdd03e7/0903b8181eee4b02ae68a6d8586637c5/FLAG3f0f59c58 [2021-11-21 00:53:35,079 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/data/26cdd03e7/0903b8181eee4b02ae68a6d8586637c5 [2021-11-21 00:53:35,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:53:35,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:53:35,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:53:35,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:53:35,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:53:35,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:53:35" (1/1) ... [2021-11-21 00:53:35,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@83def25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:35, skipping insertion in model container [2021-11-21 00:53:35,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:53:35" (1/1) ... [2021-11-21 00:53:35,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:53:35,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:53:35,617 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_21c6f976-1ed8-4909-ad01-d7ed7ac24468/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i[33022,33035] [2021-11-21 00:53:35,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:53:35,853 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:53:35,908 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_21c6f976-1ed8-4909-ad01-d7ed7ac24468/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i[33022,33035] [2021-11-21 00:53:36,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:53:36,149 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:53:36,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:36 WrapperNode [2021-11-21 00:53:36,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:53:36,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:53:36,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:53:36,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:53:36,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:36" (1/1) ... [2021-11-21 00:53:36,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:36" (1/1) ... [2021-11-21 00:53:36,351 INFO L137 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2179 [2021-11-21 00:53:36,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:53:36,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:53:36,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:53:36,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:53:36,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:36" (1/1) ... [2021-11-21 00:53:36,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:36" (1/1) ... [2021-11-21 00:53:36,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:36" (1/1) ... [2021-11-21 00:53:36,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:36" (1/1) ... [2021-11-21 00:53:36,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:36" (1/1) ... [2021-11-21 00:53:36,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:36" (1/1) ... [2021-11-21 00:53:36,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:36" (1/1) ... [2021-11-21 00:53:36,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:53:36,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:53:36,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:53:36,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:53:36,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:36" (1/1) ... [2021-11-21 00:53:36,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:53:36,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:53:36,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:53:36,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:53:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2021-11-21 00:53:36,610 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2021-11-21 00:53:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:53:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:53:36,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:53:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:53:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:53:36,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:53:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:53:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:53:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:53:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:53:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:53:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:53:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:53:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:53:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:53:36,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:53:36,986 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:53:36,988 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:53:38,468 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:53:39,198 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:53:39,198 INFO L301 CfgBuilder]: Removed 151 assume(true) statements. [2021-11-21 00:53:39,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:53:39 BoogieIcfgContainer [2021-11-21 00:53:39,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:53:39,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:53:39,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:53:39,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:53:39,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:53:35" (1/3) ... [2021-11-21 00:53:39,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62984b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:53:39, skipping insertion in model container [2021-11-21 00:53:39,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:53:36" (2/3) ... [2021-11-21 00:53:39,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62984b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:53:39, skipping insertion in model container [2021-11-21 00:53:39,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:53:39" (3/3) ... [2021-11-21 00:53:39,210 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test10-1.i [2021-11-21 00:53:39,216 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:53:39,216 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 00:53:39,267 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:53:39,278 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 [2021-11-21 00:53:39,279 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 00:53:39,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 259 states, 235 states have (on average 1.8340425531914895) internal successors, (431), 245 states have internal predecessors, (431), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-21 00:53:39,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 00:53:39,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:39,309 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 00:53:39,310 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:53:39,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:39,315 INFO L85 PathProgramCache]: Analyzing trace with hash 56325447, now seen corresponding path program 1 times [2021-11-21 00:53:39,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:39,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108525776] [2021-11-21 00:53:39,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:39,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:39,444 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:53:39,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1679810363] [2021-11-21 00:53:39,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:39,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:39,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:53:39,447 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:53:39,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:53:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:39,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 00:53:39,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:53:39,849 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 [2021-11-21 00:53:39,858 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 [2021-11-21 00:53:39,930 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 25 treesize of output 17 [2021-11-21 00:53:39,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:53:39,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:53:39,946 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:39,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108525776] [2021-11-21 00:53:39,947 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:53:39,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679810363] [2021-11-21 00:53:39,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679810363] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:39,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:39,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:53:39,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269750807] [2021-11-21 00:53:39,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:39,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:53:39,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:39,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:53:39,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:53:39,984 INFO L87 Difference]: Start difference. First operand has 259 states, 235 states have (on average 1.8340425531914895) internal successors, (431), 245 states have internal predecessors, (431), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) 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) [2021-11-21 00:53:43,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:43,414 INFO L93 Difference]: Finished difference Result 547 states and 974 transitions. [2021-11-21 00:53:43,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:53:43,416 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 [2021-11-21 00:53:43,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:43,429 INFO L225 Difference]: With dead ends: 547 [2021-11-21 00:53:43,430 INFO L226 Difference]: Without dead ends: 287 [2021-11-21 00:53:43,434 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 [2021-11-21 00:53:43,438 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 29 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:43,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 783 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-21 00:53:43,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-11-21 00:53:43,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 261. [2021-11-21 00:53:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 238 states have (on average 1.218487394957983) internal successors, (290), 248 states have internal predecessors, (290), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 00:53:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 317 transitions. [2021-11-21 00:53:43,503 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 317 transitions. Word has length 4 [2021-11-21 00:53:43,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:43,504 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 317 transitions. [2021-11-21 00:53:43,504 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) [2021-11-21 00:53:43,504 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 317 transitions. [2021-11-21 00:53:43,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 00:53:43,506 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:43,506 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] [2021-11-21 00:53:43,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:53:43,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:43,720 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:53:43,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:43,721 INFO L85 PathProgramCache]: Analyzing trace with hash 433822891, now seen corresponding path program 1 times [2021-11-21 00:53:43,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:43,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682927729] [2021-11-21 00:53:43,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:43,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:53:43,873 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:43,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682927729] [2021-11-21 00:53:43,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682927729] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:43,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:43,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:53:43,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491278206] [2021-11-21 00:53:43,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:43,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:53:43,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:43,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:53:43,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:53:43,888 INFO L87 Difference]: Start difference. First operand 261 states and 317 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:53:46,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:53:48,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:48,192 INFO L93 Difference]: Finished difference Result 410 states and 503 transitions. [2021-11-21 00:53:48,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:53:48,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-21 00:53:48,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:48,195 INFO L225 Difference]: With dead ends: 410 [2021-11-21 00:53:48,195 INFO L226 Difference]: Without dead ends: 261 [2021-11-21 00:53:48,196 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 [2021-11-21 00:53:48,198 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 2 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:48,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 795 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-21 00:53:48,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-11-21 00:53:48,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2021-11-21 00:53:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 238 states have (on average 1.2142857142857142) internal successors, (289), 248 states have internal predecessors, (289), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 00:53:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 316 transitions. [2021-11-21 00:53:48,221 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 316 transitions. Word has length 20 [2021-11-21 00:53:48,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:48,221 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 316 transitions. [2021-11-21 00:53:48,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:53:48,222 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 316 transitions. [2021-11-21 00:53:48,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 00:53:48,223 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:48,224 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:48,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:53:48,224 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:53:48,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:48,225 INFO L85 PathProgramCache]: Analyzing trace with hash -649685512, now seen corresponding path program 1 times [2021-11-21 00:53:48,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:48,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979503462] [2021-11-21 00:53:48,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:48,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:48,247 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:53:48,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2068973672] [2021-11-21 00:53:48,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:48,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:48,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:53:48,257 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:53:48,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:53:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:48,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:53:48,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:53:48,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:53:48,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:53:48,824 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:48,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979503462] [2021-11-21 00:53:48,824 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:53:48,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068973672] [2021-11-21 00:53:48,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068973672] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:48,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:48,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:53:48,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393742390] [2021-11-21 00:53:48,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:48,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:53:48,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:48,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:53:48,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:53:48,828 INFO L87 Difference]: Start difference. First operand 261 states and 316 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-11-21 00:53:50,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:50,948 INFO L93 Difference]: Finished difference Result 632 states and 764 transitions. [2021-11-21 00:53:50,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:53:50,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 29 [2021-11-21 00:53:50,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:50,952 INFO L225 Difference]: With dead ends: 632 [2021-11-21 00:53:50,952 INFO L226 Difference]: Without dead ends: 376 [2021-11-21 00:53:50,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:53:50,955 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 119 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:50,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 598 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 00:53:50,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-11-21 00:53:50,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 372. [2021-11-21 00:53:50,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.191860465116279) internal successors, (410), 354 states have internal predecessors, (410), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-21 00:53:50,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 447 transitions. [2021-11-21 00:53:50,988 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 447 transitions. Word has length 29 [2021-11-21 00:53:50,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:50,989 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 447 transitions. [2021-11-21 00:53:50,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-11-21 00:53:50,989 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 447 transitions. [2021-11-21 00:53:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 00:53:50,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:50,991 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:51,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:53:51,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:51,215 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:53:51,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:51,216 INFO L85 PathProgramCache]: Analyzing trace with hash -656242656, now seen corresponding path program 1 times [2021-11-21 00:53:51,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:51,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064137033] [2021-11-21 00:53:51,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:51,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:51,255 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:53:51,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1322805182] [2021-11-21 00:53:51,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:51,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:51,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:53:51,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:53:51,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:53:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:51,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:53:51,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:53:51,593 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 [2021-11-21 00:53:51,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:53:51,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-21 00:53:51,686 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 00:53:51,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 42 [2021-11-21 00:53:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:53:51,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:53:51,776 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:51,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064137033] [2021-11-21 00:53:51,776 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:53:51,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322805182] [2021-11-21 00:53:51,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322805182] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:51,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:51,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:53:51,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344814542] [2021-11-21 00:53:51,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:51,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:53:51,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:51,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:53:51,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:53:51,780 INFO L87 Difference]: Start difference. First operand 372 states and 447 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:53:54,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:53:58,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:53:58,562 INFO L93 Difference]: Finished difference Result 692 states and 833 transitions. [2021-11-21 00:53:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:53:58,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2021-11-21 00:53:58,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:53:58,565 INFO L225 Difference]: With dead ends: 692 [2021-11-21 00:53:58,565 INFO L226 Difference]: Without dead ends: 372 [2021-11-21 00:53:58,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:53:58,567 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 27 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:53:58,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 1001 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 249 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2021-11-21 00:53:58,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-11-21 00:53:58,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2021-11-21 00:53:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.188953488372093) internal successors, (409), 354 states have internal predecessors, (409), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-21 00:53:58,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 446 transitions. [2021-11-21 00:53:58,592 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 446 transitions. Word has length 42 [2021-11-21 00:53:58,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:53:58,593 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 446 transitions. [2021-11-21 00:53:58,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:53:58,593 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 446 transitions. [2021-11-21 00:53:58,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 00:53:58,596 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:53:58,596 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:53:58,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:53:58,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:58,813 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:53:58,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:53:58,813 INFO L85 PathProgramCache]: Analyzing trace with hash -391626636, now seen corresponding path program 1 times [2021-11-21 00:53:58,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:53:58,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518207707] [2021-11-21 00:53:58,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:58,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:53:58,870 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:53:58,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [40710642] [2021-11-21 00:53:58,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:53:58,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:53:58,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:53:58,877 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:53:58,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:53:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:53:59,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:53:59,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:53:59,335 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:53:59,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:53:59,336 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:53:59,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518207707] [2021-11-21 00:53:59,336 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:53:59,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40710642] [2021-11-21 00:53:59,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40710642] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:53:59,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:53:59,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:53:59,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692900581] [2021-11-21 00:53:59,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:53:59,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:53:59,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:53:59,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:53:59,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:53:59,339 INFO L87 Difference]: Start difference. First operand 372 states and 446 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:54:00,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:54:00,815 INFO L93 Difference]: Finished difference Result 838 states and 1006 transitions. [2021-11-21 00:54:00,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:54:00,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 63 [2021-11-21 00:54:00,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:54:00,819 INFO L225 Difference]: With dead ends: 838 [2021-11-21 00:54:00,820 INFO L226 Difference]: Without dead ends: 494 [2021-11-21 00:54:00,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:54:00,822 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 110 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:54:00,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 544 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-21 00:54:00,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-11-21 00:54:00,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 439. [2021-11-21 00:54:00,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 408 states have (on average 1.178921568627451) internal successors, (481), 418 states have internal predecessors, (481), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-21 00:54:00,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 524 transitions. [2021-11-21 00:54:00,847 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 524 transitions. Word has length 63 [2021-11-21 00:54:00,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:54:00,847 INFO L470 AbstractCegarLoop]: Abstraction has 439 states and 524 transitions. [2021-11-21 00:54:00,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:54:00,848 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 524 transitions. [2021-11-21 00:54:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-21 00:54:00,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:54:00,851 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:54:00,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 00:54:01,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:54:01,065 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:54:01,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:54:01,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1574397001, now seen corresponding path program 1 times [2021-11-21 00:54:01,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:54:01,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907857039] [2021-11-21 00:54:01,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:54:01,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:54:01,085 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:54:01,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [348717429] [2021-11-21 00:54:01,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:54:01,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:54:01,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:54:01,087 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:54:01,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 00:54:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:54:03,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:54:03,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:54:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 00:54:03,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:54:03,987 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:54:03,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907857039] [2021-11-21 00:54:03,987 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:54:03,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348717429] [2021-11-21 00:54:03,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348717429] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:54:03,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:54:03,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:54:03,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330163763] [2021-11-21 00:54:03,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:54:03,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:54:03,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:54:03,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:54:03,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:54:03,989 INFO L87 Difference]: Start difference. First operand 439 states and 524 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 00:54:07,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:54:07,472 INFO L93 Difference]: Finished difference Result 858 states and 1035 transitions. [2021-11-21 00:54:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:54:07,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 76 [2021-11-21 00:54:07,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:54:07,476 INFO L225 Difference]: With dead ends: 858 [2021-11-21 00:54:07,476 INFO L226 Difference]: Without dead ends: 441 [2021-11-21 00:54:07,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:54:07,479 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 1 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:54:07,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 833 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-21 00:54:07,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2021-11-21 00:54:07,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2021-11-21 00:54:07,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 409 states have (on average 1.1809290953545233) internal successors, (483), 420 states have internal predecessors, (483), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2021-11-21 00:54:07,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 529 transitions. [2021-11-21 00:54:07,501 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 529 transitions. Word has length 76 [2021-11-21 00:54:07,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:54:07,501 INFO L470 AbstractCegarLoop]: Abstraction has 441 states and 529 transitions. [2021-11-21 00:54:07,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 00:54:07,502 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 529 transitions. [2021-11-21 00:54:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 00:54:07,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:54:07,504 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:54:07,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 00:54:07,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-21 00:54:07,723 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:54:07,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:54:07,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1409610589, now seen corresponding path program 1 times [2021-11-21 00:54:07,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:54:07,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439490444] [2021-11-21 00:54:07,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:54:07,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:54:07,740 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:54:07,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [875274881] [2021-11-21 00:54:07,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:54:07,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:54:07,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:54:07,748 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:54:07,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c6f976-1ed8-4909-ad01-d7ed7ac24468/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 00:54:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:54:09,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 00:54:09,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:54:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 00:54:09,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:54:09,548 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 00:54:09,548 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:54:09,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439490444] [2021-11-21 00:54:09,548 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:54:09,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875274881] [2021-11-21 00:54:09,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875274881] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:54:09,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [551076169] [2021-11-21 00:54:09,570 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2021-11-21 00:54:09,570 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:54:09,603 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:54:09,612 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:54:09,612 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:54:09,725 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 [2021-11-21 00:54:09,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,748 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:54:09,749 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 [2021-11-21 00:54:09,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:54:09,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,793 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 [2021-11-21 00:54:09,826 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 [2021-11-21 00:54:09,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,969 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:54:09,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 00:54:10,017 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 [2021-11-21 00:54:10,032 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 [2021-11-21 00:54:10,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,086 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-21 00:54:10,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 00:54:10,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,156 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:54:10,156 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 [2021-11-21 00:54:10,368 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 19 treesize of output 1 [2021-11-21 00:54:10,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-21 00:54:10,489 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 19 treesize of output 1 [2021-11-21 00:54:12,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 77 [2021-11-21 00:54:12,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-21 00:54:12,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,308 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 29 treesize of output 19 [2021-11-21 00:54:12,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-21 00:54:12,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 108 treesize of output 98 [2021-11-21 00:54:12,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 89 treesize of output 79 [2021-11-21 00:54:12,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-21 00:54:12,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-21 00:54:12,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,723 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:54:12,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 75 treesize of output 77 [2021-11-21 00:54:12,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:54:12,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:54:12,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,934 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 00:54:12,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-21 00:54:12,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,004 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 00:54:13,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-21 00:54:13,585 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 [2021-11-21 00:54:13,593 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 [2021-11-21 00:54:13,603 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 [2021-11-21 00:54:13,652 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:54:13,653 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 85 treesize of output 88 [2021-11-21 00:54:13,678 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 00:54:13,679 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 88 treesize of output 91 [2021-11-21 00:54:13,703 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:54:13,703 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 91 treesize of output 94 [2021-11-21 00:54:13,822 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 [2021-11-21 00:54:13,829 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 [2021-11-21 00:54:13,846 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 [2021-11-21 00:54:13,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:54:13,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:54:14,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 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 [2021-11-21 00:54:14,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 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 [2021-11-21 00:54:14,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:54:14,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:14,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:54:20,951 WARN L227 SmtUtils]: Spent 6.38s 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) [2021-11-21 00:54:20,952 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:54:20,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 00:54:20,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:31,507 WARN L227 SmtUtils]: Spent 10.52s 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) [2021-11-21 00:54:31,508 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:54:31,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 00:54:45,867 WARN L227 SmtUtils]: Spent 14.24s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:54:45,871 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 00:54:45,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-21 00:54:46,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,925 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:54:46,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25950 treesize of output 25964 [2021-11-21 00:54:47,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:47,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:47,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:47,984 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-21 00:54:47,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25949 treesize of output 25964 [2021-11-21 00:54:50,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:50,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:50,365 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 00:54:50,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-21 00:54:50,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,209 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 00:54:51,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 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 [2021-11-21 00:54:51,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:51,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:51,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:51,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,697 INFO L244 Elim1Store]: Index analysis took 128 ms [2021-11-21 00:54:51,816 INFO L354 Elim1Store]: treesize reduction 23, result has 66.7 percent of original size [2021-11-21 00:54:51,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1715 treesize of output 1313 [2021-11-21 00:54:52,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:52,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:53,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:53,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1715 treesize of output 1267 [2021-11-21 00:54:53,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:53,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:54,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:54,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:54,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:54,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:54,106 INFO L244 Elim1Store]: Index analysis took 197 ms [2021-11-21 00:54:54,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1715 treesize of output 1267 [2021-11-21 00:54:55,579 INFO L244 Elim1Store]: Index analysis took 292 ms [2021-11-21 00:54:58,447 INFO L354 Elim1Store]: treesize reduction 502, result has 73.0 percent of original size [2021-11-21 00:54:58,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1724 treesize of output 2624 [2021-11-21 00:55:03,135 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:55:04,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:55:07,765 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:55:08,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:08,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:08,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:08,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:08,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:08,147 INFO L244 Elim1Store]: Index analysis took 133 ms [2021-11-21 00:55:08,883 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:55:08,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1703 treesize of output 2419 [2021-11-21 00:55:11,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:11,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:11,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:11,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:11,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:11,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1694 treesize of output 1264 [2021-11-21 00:55:11,910 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:55:12,491 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:55:12,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:12,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:12,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:12,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:12,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:12,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:12,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:12,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:12,942 INFO L244 Elim1Store]: Index analysis took 204 ms [2021-11-21 00:55:12,958 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-21 00:55:12,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1703 treesize of output 1267 [2021-11-21 00:55:13,789 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:55:13,964 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:55:17,173 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 00:55:17,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1700 treesize of output 1708 [2021-11-21 00:55:18,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:18,428 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 [2021-11-21 00:55:19,014 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:55:20,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:20,168 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-11-21 00:55:20,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:21,439 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-21 00:55:21,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-21 00:55:22,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:22,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:22,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:22,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-21 00:55:29,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:30,010 INFO L190 IndexEqualityManager]: detected not equals via solver