./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS --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 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:27:42,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:27:42,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:27:42,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:27:42,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:27:42,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:27:42,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:27:42,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:27:42,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:27:42,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:27:42,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:27:42,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:27:42,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:27:42,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:27:42,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:27:42,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:27:42,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:27:42,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:27:42,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:27:42,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:27:42,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:27:42,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:27:42,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:27:42,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:27:42,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:27:42,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:27:42,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:27:42,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:27:42,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:27:42,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:27:42,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:27:42,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:27:42,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:27:42,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:27:42,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:27:42,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:27:42,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:27:42,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:27:42,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:27:42,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:27:42,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:27:42,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 08:27:42,930 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:27:42,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:27:42,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:27:42,933 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:27:42,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:27:42,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:27:42,935 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:27:42,935 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:27:42,935 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:27:42,935 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:27:42,936 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:27:42,937 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:27:42,937 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:27:42,937 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:27:42,937 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:27:42,938 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:27:42,938 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:27:42,938 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:27:42,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:27:42,939 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:27:42,939 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:27:42,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:27:42,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:27:42,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:27:42,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:27:42,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:27:42,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:27:42,942 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:27:42,942 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:27:42,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:27:42,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:27:42,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:27:42,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:27:42,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:27:42,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:27:42,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:27:42,944 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:27:42,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:27:42,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:27:42,945 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:27:42,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:27:42,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:27:42,945 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:27:42,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 [2022-11-19 08:27:43,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:27:43,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:27:43,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:27:43,260 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:27:43,261 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:27:43,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2022-11-19 08:27:43,336 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/data/351bc816b/0653cce6b4ae4b7d8d0806d459927809/FLAG36f9e93e2 [2022-11-19 08:27:44,012 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:27:44,013 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2022-11-19 08:27:44,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/data/351bc816b/0653cce6b4ae4b7d8d0806d459927809/FLAG36f9e93e2 [2022-11-19 08:27:44,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/data/351bc816b/0653cce6b4ae4b7d8d0806d459927809 [2022-11-19 08:27:44,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:27:44,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:27:44,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:27:44,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:27:44,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:27:44,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:27:44" (1/1) ... [2022-11-19 08:27:44,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac2e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:44, skipping insertion in model container [2022-11-19 08:27:44,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:27:44" (1/1) ... [2022-11-19 08:27:44,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:27:44,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:27:44,755 WARN L234 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_ed4c7b49-64a8-45ee-859b-cece45e756cb/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i[33021,33034] [2022-11-19 08:27:44,916 WARN L234 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_ed4c7b49-64a8-45ee-859b-cece45e756cb/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i[45234,45247] [2022-11-19 08:27:44,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:27:44,936 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:27:44,962 WARN L234 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_ed4c7b49-64a8-45ee-859b-cece45e756cb/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i[33021,33034] [2022-11-19 08:27:45,009 WARN L234 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_ed4c7b49-64a8-45ee-859b-cece45e756cb/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i[45234,45247] [2022-11-19 08:27:45,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:27:45,047 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:27:45,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:45 WrapperNode [2022-11-19 08:27:45,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:27:45,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:27:45,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:27:45,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:27:45,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:45" (1/1) ... [2022-11-19 08:27:45,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:45" (1/1) ... [2022-11-19 08:27:45,172 INFO L138 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 998 [2022-11-19 08:27:45,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:27:45,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:27:45,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:27:45,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:27:45,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:45" (1/1) ... [2022-11-19 08:27:45,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:45" (1/1) ... [2022-11-19 08:27:45,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:45" (1/1) ... [2022-11-19 08:27:45,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:45" (1/1) ... [2022-11-19 08:27:45,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:45" (1/1) ... [2022-11-19 08:27:45,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:45" (1/1) ... [2022-11-19 08:27:45,250 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:45" (1/1) ... [2022-11-19 08:27:45,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:45" (1/1) ... [2022-11-19 08:27:45,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:27:45,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:27:45,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:27:45,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:27:45,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:45" (1/1) ... [2022-11-19 08:27:45,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:27:45,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:45,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:27:45,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:27:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:27:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 08:27:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 08:27:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:27:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:27:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:27:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2022-11-19 08:27:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2022-11-19 08:27:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:27:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:27:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:27:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:27:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 08:27:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:27:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:27:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:27:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:27:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:27:45,574 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:27:45,576 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:27:47,456 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:27:47,913 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:27:47,913 INFO L300 CfgBuilder]: Removed 62 assume(true) statements. [2022-11-19 08:27:47,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:27:47 BoogieIcfgContainer [2022-11-19 08:27:47,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:27:47,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:27:47,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:27:47,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:27:47,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:27:44" (1/3) ... [2022-11-19 08:27:47,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a90d3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:27:47, skipping insertion in model container [2022-11-19 08:27:47,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:27:45" (2/3) ... [2022-11-19 08:27:47,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a90d3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:27:47, skipping insertion in model container [2022-11-19 08:27:47,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:27:47" (3/3) ... [2022-11-19 08:27:47,926 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test8-1.i [2022-11-19 08:27:47,946 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:27:47,946 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-19 08:27:47,998 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:27:48,005 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@69f729d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:27:48,005 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-19 08:27:48,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 126 states have (on average 1.8095238095238095) internal successors, (228), 149 states have internal predecessors, (228), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-19 08:27:48,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 08:27:48,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:48,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 08:27:48,017 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:27:48,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:48,023 INFO L85 PathProgramCache]: Analyzing trace with hash 28438595, now seen corresponding path program 1 times [2022-11-19 08:27:48,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:48,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900697224] [2022-11-19 08:27:48,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:48,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:48,173 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:27:48,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [559874499] [2022-11-19 08:27:48,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:48,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:48,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:48,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:48,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:27:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:48,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 08:27:48,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:48,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:27:48,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:27:48,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:27:48,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-19 08:27:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:48,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:27:48,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:48,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900697224] [2022-11-19 08:27:48,551 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:27:48,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559874499] [2022-11-19 08:27:48,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559874499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:48,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:48,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:27:48,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134405994] [2022-11-19 08:27:48,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:48,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:27:48,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:48,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:27:48,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:27:48,592 INFO L87 Difference]: Start difference. First operand has 158 states, 126 states have (on average 1.8095238095238095) internal successors, (228), 149 states have internal predecessors, (228), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:49,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:49,910 INFO L93 Difference]: Finished difference Result 368 states and 636 transitions. [2022-11-19 08:27:49,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:27:49,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-19 08:27:49,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:49,924 INFO L225 Difference]: With dead ends: 368 [2022-11-19 08:27:49,924 INFO L226 Difference]: Without dead ends: 208 [2022-11-19 08:27:49,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:27:49,931 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 57 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:49,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 499 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 08:27:49,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-11-19 08:27:49,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 160. [2022-11-19 08:27:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-19 08:27:49,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2022-11-19 08:27:49,985 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2022-11-19 08:27:49,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:49,985 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2022-11-19 08:27:49,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:49,986 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2022-11-19 08:27:49,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-19 08:27:49,991 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:49,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:50,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:27:50,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 08:27:50,192 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:27:50,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:50,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1795405831, now seen corresponding path program 1 times [2022-11-19 08:27:50,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:50,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221383523] [2022-11-19 08:27:50,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:50,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:50,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:50,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:50,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221383523] [2022-11-19 08:27:50,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221383523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:50,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:50,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:27:50,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326326967] [2022-11-19 08:27:50,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:50,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:27:50,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:50,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:27:50,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:27:50,728 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:52,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:52,631 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2022-11-19 08:27:52,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:27:52,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-19 08:27:52,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:52,636 INFO L225 Difference]: With dead ends: 297 [2022-11-19 08:27:52,636 INFO L226 Difference]: Without dead ends: 204 [2022-11-19 08:27:52,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:27:52,638 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 51 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:52,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 504 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-19 08:27:52,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-11-19 08:27:52,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2022-11-19 08:27:52,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-19 08:27:52,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2022-11-19 08:27:52,659 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2022-11-19 08:27:52,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:52,659 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2022-11-19 08:27:52,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2022-11-19 08:27:52,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-19 08:27:52,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:52,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:52,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:27:52,662 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:27:52,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:52,663 INFO L85 PathProgramCache]: Analyzing trace with hash 421381030, now seen corresponding path program 1 times [2022-11-19 08:27:52,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:52,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651909796] [2022-11-19 08:27:52,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:52,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:52,865 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:27:52,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1446030196] [2022-11-19 08:27:52,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:52,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:52,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:52,871 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:52,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:27:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:53,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:27:53,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:53,835 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:27:53,836 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:53,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651909796] [2022-11-19 08:27:53,838 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:27:53,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446030196] [2022-11-19 08:27:53,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446030196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:53,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:53,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:27:53,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709744253] [2022-11-19 08:27:53,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:53,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:27:53,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:53,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:27:53,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:27:53,846 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:55,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:55,946 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2022-11-19 08:27:55,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:27:55,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-19 08:27:55,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:55,954 INFO L225 Difference]: With dead ends: 247 [2022-11-19 08:27:55,954 INFO L226 Difference]: Without dead ends: 246 [2022-11-19 08:27:55,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:27:55,956 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 72 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:55,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 544 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-19 08:27:55,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-11-19 08:27:55,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2022-11-19 08:27:55,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 177 states have (on average 1.2542372881355932) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-19 08:27:55,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2022-11-19 08:27:55,987 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2022-11-19 08:27:55,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:55,988 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2022-11-19 08:27:55,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:55,988 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2022-11-19 08:27:55,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 08:27:55,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:55,990 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:56,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:27:56,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:56,202 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:27:56,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:56,203 INFO L85 PathProgramCache]: Analyzing trace with hash 177910084, now seen corresponding path program 1 times [2022-11-19 08:27:56,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:56,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113784315] [2022-11-19 08:27:56,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:56,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:56,418 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:27:56,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533383542] [2022-11-19 08:27:56,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:56,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:56,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:56,421 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:56,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:27:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:57,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:27:57,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:27:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:57,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:27:57,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:57,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113784315] [2022-11-19 08:27:57,515 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:27:57,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533383542] [2022-11-19 08:27:57,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533383542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:57,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:57,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:27:57,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129015590] [2022-11-19 08:27:57,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:57,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:27:57,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:57,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:27:57,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:27:57,519 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:58,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:58,837 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2022-11-19 08:27:58,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:27:58,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 08:27:58,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:58,847 INFO L225 Difference]: With dead ends: 213 [2022-11-19 08:27:58,848 INFO L226 Difference]: Without dead ends: 212 [2022-11-19 08:27:58,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:27:58,849 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 191 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:58,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 288 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-19 08:27:58,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-19 08:27:58,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2022-11-19 08:27:58,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.2485875706214689) internal successors, (221), 198 states have internal predecessors, (221), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-19 08:27:58,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2022-11-19 08:27:58,874 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2022-11-19 08:27:58,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:58,874 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2022-11-19 08:27:58,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:58,875 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2022-11-19 08:27:58,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-19 08:27:58,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:58,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:58,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:27:59,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:59,088 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:27:59,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:59,088 INFO L85 PathProgramCache]: Analyzing trace with hash 152449389, now seen corresponding path program 1 times [2022-11-19 08:27:59,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:59,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708534987] [2022-11-19 08:27:59,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:59,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:59,260 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:27:59,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [945266158] [2022-11-19 08:27:59,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:59,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:27:59,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:27:59,263 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:27:59,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:28:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:00,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:28:00,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:28:00,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:00,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:28:00,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:00,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708534987] [2022-11-19 08:28:00,268 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:28:00,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945266158] [2022-11-19 08:28:00,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945266158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:00,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:00,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:28:00,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575890998] [2022-11-19 08:28:00,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:00,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:28:00,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:00,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:28:00,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:28:00,271 INFO L87 Difference]: Start difference. First operand 212 states and 269 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:28:01,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:01,231 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2022-11-19 08:28:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:28:01,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2022-11-19 08:28:01,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:01,251 INFO L225 Difference]: With dead ends: 432 [2022-11-19 08:28:01,251 INFO L226 Difference]: Without dead ends: 247 [2022-11-19 08:28:01,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:28:01,254 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:01,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 355 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 08:28:01,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-19 08:28:01,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2022-11-19 08:28:01,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 208 states have (on average 1.2307692307692308) internal successors, (256), 229 states have internal predecessors, (256), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-19 08:28:01,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2022-11-19 08:28:01,290 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2022-11-19 08:28:01,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:01,290 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2022-11-19 08:28:01,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:28:01,291 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2022-11-19 08:28:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 08:28:01,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:01,297 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:01,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:28:01,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:28:01,507 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:28:01,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:01,507 INFO L85 PathProgramCache]: Analyzing trace with hash 841650105, now seen corresponding path program 1 times [2022-11-19 08:28:01,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:01,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280119571] [2022-11-19 08:28:01,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:01,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:01,565 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:28:01,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004120145] [2022-11-19 08:28:01,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:01,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:28:01,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:28:01,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:28:01,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 08:28:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:21,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:28:21,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:28:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:28:21,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:28:21,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:21,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280119571] [2022-11-19 08:28:21,202 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:28:21,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004120145] [2022-11-19 08:28:21,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004120145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:21,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:21,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:28:21,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935573168] [2022-11-19 08:28:21,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:21,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:28:21,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:21,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:28:21,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:28:21,205 INFO L87 Difference]: Start difference. First operand 244 states and 306 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 08:28:22,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:22,736 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2022-11-19 08:28:22,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:28:22,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2022-11-19 08:28:22,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:22,749 INFO L225 Difference]: With dead ends: 471 [2022-11-19 08:28:22,749 INFO L226 Difference]: Without dead ends: 248 [2022-11-19 08:28:22,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:28:22,751 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 1 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:22,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 545 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-19 08:28:22,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-19 08:28:22,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-11-19 08:28:22,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 233 states have internal predecessors, (260), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2022-11-19 08:28:22,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2022-11-19 08:28:22,771 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2022-11-19 08:28:22,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:22,772 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2022-11-19 08:28:22,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 08:28:22,772 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2022-11-19 08:28:22,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 08:28:22,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:22,774 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:22,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 08:28:22,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-19 08:28:22,987 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 08:28:22,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:22,987 INFO L85 PathProgramCache]: Analyzing trace with hash 492968789, now seen corresponding path program 1 times [2022-11-19 08:28:22,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:22,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32694285] [2022-11-19 08:28:22,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:22,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:23,050 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:28:23,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [595297531] [2022-11-19 08:28:23,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:23,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:28:23,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:28:23,052 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:28:23,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c7b49-64a8-45ee-859b-cece45e756cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 08:28:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:41,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 08:28:41,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:28:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:28:41,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:28:41,748 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:28:41,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:41,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32694285] [2022-11-19 08:28:41,749 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:28:41,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595297531] [2022-11-19 08:28:41,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595297531] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:28:41,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1302437939] [2022-11-19 08:28:41,772 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2022-11-19 08:28:41,773 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:28:41,776 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:28:41,781 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:28:41,782 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:28:41,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:41,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:41,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,892 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 08:28:41,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 08:28:41,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-19 08:28:41,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 08:28:41,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,975 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 08:28:41,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-19 08:28:41,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:41,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,007 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:28:42,007 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 37 treesize of output 42 [2022-11-19 08:28:42,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,057 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:28:42,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:28:42,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:42,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:28:42,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2022-11-19 08:28:42,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:42,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:28:42,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-19 08:28:42,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-19 08:28:42,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:28:42,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:28:42,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:28:42,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:28:42,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 08:28:42,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:42,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 08:28:43,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:28:43,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,135 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:28:43,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-19 08:28:43,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-11-19 08:28:43,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 08:28:43,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:28:43,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:28:43,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:28:43,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:28:43,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 08:28:43,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 08:28:43,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 08:28:43,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:28:43,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:28:43,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:28:43,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 08:28:43,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 08:28:43,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 08:28:43,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:28:43,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 08:28:43,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 08:28:43,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 08:28:45,381 INFO L217 Elim1Store]: Index analysis took 1122 ms [2022-11-19 08:28:50,074 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 08:28:50,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-19 08:28:51,189 INFO L217 Elim1Store]: Index analysis took 955 ms [2022-11-19 08:28:51,903 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 08:28:51,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-19 08:31:12,590 WARN L233 SmtUtils]: Spent 2.31m on a formula simplification. DAG size of input: 175 DAG size of output: 88 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:31:12,591 INFO L321 Elim1Store]: treesize reduction 1247, result has 21.9 percent of original size [2022-11-19 08:31:12,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 13 case distinctions, treesize of input 10646 treesize of output 7509 [2022-11-19 08:31:13,176 INFO L217 Elim1Store]: Index analysis took 111 ms [2022-11-19 08:32:23,423 WARN L233 SmtUtils]: Spent 1.17m on a formula simplification. DAG size of input: 101 DAG size of output: 56 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:32:23,424 INFO L321 Elim1Store]: treesize reduction 590, result has 31.2 percent of original size [2022-11-19 08:32:23,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 18187 treesize of output 17206 [2022-11-19 08:32:27,272 INFO L217 Elim1Store]: Index analysis took 2177 ms [2022-11-19 08:37:43,983 WARN L233 SmtUtils]: Spent 5.25m on a formula simplification. DAG size of input: 418 DAG size of output: 235 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:37:43,984 INFO L321 Elim1Store]: treesize reduction 13537, result has 27.0 percent of original size [2022-11-19 08:37:43,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 13924 treesize of output 15462 [2022-11-19 08:38:24,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:38:27,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:39:26,291 INFO L217 Elim1Store]: Index analysis took 62200 ms