./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1fe25077175322d8d5e3cefee67a534dcd61077607911040f354db1679589b09 --- 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-e04fb08 [2022-11-16 19:32:05,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:32:05,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:32:06,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:32:06,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:32:06,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:32:06,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:32:06,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:32:06,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:32:06,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:32:06,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:32:06,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:32:06,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:32:06,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:32:06,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:32:06,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:32:06,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:32:06,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:32:06,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:32:06,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:32:06,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:32:06,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:32:06,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:32:06,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:32:06,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:32:06,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:32:06,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:32:06,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:32:06,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:32:06,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:32:06,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:32:06,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:32:06,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:32:06,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:32:06,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:32:06,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:32:06,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:32:06,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:32:06,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:32:06,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:32:06,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:32:06,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 19:32:06,169 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:32:06,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:32:06,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:32:06,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:32:06,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:32:06,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:32:06,172 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:32:06,172 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:32:06,173 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:32:06,173 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:32:06,174 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:32:06,175 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:32:06,175 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:32:06,175 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:32:06,175 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:32:06,176 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:32:06,176 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:32:06,176 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:32:06,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:32:06,177 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 19:32:06,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:32:06,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 19:32:06,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:32:06,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:32:06,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:32:06,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:32:06,179 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 19:32:06,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:32:06,180 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:32:06,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:32:06,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:32:06,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:32:06,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:32:06,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:32:06,182 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:32:06,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:32:06,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:32:06,182 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:32:06,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:32:06,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:32:06,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:32:06,183 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_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fe25077175322d8d5e3cefee67a534dcd61077607911040f354db1679589b09 [2022-11-16 19:32:06,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:32:06,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:32:06,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:32:06,607 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:32:06,609 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:32:06,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i [2022-11-16 19:32:06,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/data/1db2ce940/e6419532604f4ac8b7d5ac2762c7ed71/FLAGfbe4499a5 [2022-11-16 19:32:07,512 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:32:07,513 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i [2022-11-16 19:32:07,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/data/1db2ce940/e6419532604f4ac8b7d5ac2762c7ed71/FLAGfbe4499a5 [2022-11-16 19:32:07,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/data/1db2ce940/e6419532604f4ac8b7d5ac2762c7ed71 [2022-11-16 19:32:07,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:32:07,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:32:07,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:32:07,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:32:07,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:32:07,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:32:07" (1/1) ... [2022-11-16 19:32:07,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69bf7d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:32:07, skipping insertion in model container [2022-11-16 19:32:07,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:32:07" (1/1) ... [2022-11-16 19:32:07,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:32:07,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:32:08,392 WARN L229 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_3a60a9ae-4678-4379-a046-ac598b2660fe/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[33021,33034] [2022-11-16 19:32:08,570 WARN L229 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_3a60a9ae-4678-4379-a046-ac598b2660fe/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[49681,49694] [2022-11-16 19:32:08,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:32:08,604 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:32:08,641 WARN L229 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_3a60a9ae-4678-4379-a046-ac598b2660fe/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[33021,33034] [2022-11-16 19:32:08,760 WARN L229 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_3a60a9ae-4678-4379-a046-ac598b2660fe/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-2.i[49681,49694] [2022-11-16 19:32:08,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:32:08,824 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:32:08,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:32:08 WrapperNode [2022-11-16 19:32:08,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:32:08,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:32:08,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:32:08,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:32:08,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:32:08" (1/1) ... [2022-11-16 19:32:08,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:32:08" (1/1) ... [2022-11-16 19:32:08,977 INFO L138 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1549 [2022-11-16 19:32:08,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:32:08,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:32:08,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:32:08,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:32:08,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:32:08" (1/1) ... [2022-11-16 19:32:08,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:32:08" (1/1) ... [2022-11-16 19:32:09,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:32:08" (1/1) ... [2022-11-16 19:32:09,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:32:08" (1/1) ... [2022-11-16 19:32:09,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:32:08" (1/1) ... [2022-11-16 19:32:09,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:32:08" (1/1) ... [2022-11-16 19:32:09,167 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:32:08" (1/1) ... [2022-11-16 19:32:09,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:32:08" (1/1) ... [2022-11-16 19:32:09,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:32:09,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:32:09,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:32:09,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:32:09,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:32:08" (1/1) ... [2022-11-16 19:32:09,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:32:09,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:32:09,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:32:09,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:32:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 19:32:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 19:32:09,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 19:32:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 19:32:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 19:32:09,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 19:32:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 19:32:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:32:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 19:32:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 19:32:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 19:32:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 19:32:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 19:32:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:32:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:32:09,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:32:09,660 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:32:09,662 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:32:12,157 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:32:12,920 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:32:12,920 INFO L300 CfgBuilder]: Removed 92 assume(true) statements. [2022-11-16 19:32:12,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:32:12 BoogieIcfgContainer [2022-11-16 19:32:12,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:32:12,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:32:12,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:32:12,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:32:12,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:32:07" (1/3) ... [2022-11-16 19:32:12,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55750bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:32:12, skipping insertion in model container [2022-11-16 19:32:12,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:32:08" (2/3) ... [2022-11-16 19:32:12,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55750bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:32:12, skipping insertion in model container [2022-11-16 19:32:12,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:32:12" (3/3) ... [2022-11-16 19:32:12,945 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test5-2.i [2022-11-16 19:32:12,968 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:32:12,969 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-16 19:32:13,072 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:32:13,082 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;@2dc8737c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:32:13,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-16 19:32:13,090 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 19:32:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 19:32:13,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:32:13,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-16 19:32:13,101 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:32:13,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:32:13,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1765117460, now seen corresponding path program 1 times [2022-11-16 19:32:13,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:32:13,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022759967] [2022-11-16 19:32:13,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:32:13,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:32:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:32:13,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:32:13,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022759967] [2022-11-16 19:32:13,287 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-16 19:32:13,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582645354] [2022-11-16 19:32:13,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:32:13,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:32:13,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:32:13,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:32:13,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 19:32:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:32:13,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 19:32:13,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:32:13,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:32:13,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:32:13,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582645354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:32:13,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:32:13,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:32:13,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605791979] [2022-11-16 19:32:13,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:32:13,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 19:32:13,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:32:13,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 19:32:13,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 19:32:13,736 INFO L87 Difference]: Start difference. First operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-16 19:32:14,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:32:14,937 INFO L93 Difference]: Finished difference Result 329 states and 588 transitions. [2022-11-16 19:32:14,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 19:32:14,942 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2022-11-16 19:32:14,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:32:14,952 INFO L225 Difference]: With dead ends: 329 [2022-11-16 19:32:14,952 INFO L226 Difference]: Without dead ends: 150 [2022-11-16 19:32:14,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 19:32:14,960 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:32:14,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 19:32:14,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-16 19:32:15,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-11-16 19:32:15,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 135 states have (on average 1.1925925925925926) internal successors, (161), 141 states have internal predecessors, (161), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 19:32:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 183 transitions. [2022-11-16 19:32:15,020 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 183 transitions. Word has length 6 [2022-11-16 19:32:15,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:32:15,021 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 183 transitions. [2022-11-16 19:32:15,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-16 19:32:15,022 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2022-11-16 19:32:15,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 19:32:15,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:32:15,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:32:15,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 19:32:15,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-16 19:32:15,231 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:32:15,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:32:15,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1566679301, now seen corresponding path program 1 times [2022-11-16 19:32:15,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:32:15,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153703759] [2022-11-16 19:32:15,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:32:15,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:32:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:32:15,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:32:15,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153703759] [2022-11-16 19:32:15,318 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-16 19:32:15,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149037431] [2022-11-16 19:32:15,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:32:15,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:32:15,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:32:15,321 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:32:15,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 19:32:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:32:15,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 19:32:15,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:32:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:32:15,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:32:15,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149037431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:32:15,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:32:15,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:32:15,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867107898] [2022-11-16 19:32:15,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:32:15,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:32:15,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:32:15,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:32:15,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:32:15,747 INFO L87 Difference]: Start difference. First operand 150 states and 183 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2022-11-16 19:32:17,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:32:17,127 INFO L93 Difference]: Finished difference Result 342 states and 425 transitions. [2022-11-16 19:32:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:32:17,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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 17 [2022-11-16 19:32:17,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:32:17,135 INFO L225 Difference]: With dead ends: 342 [2022-11-16 19:32:17,136 INFO L226 Difference]: Without dead ends: 290 [2022-11-16 19:32:17,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:32:17,138 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 149 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 19:32:17,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 335 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 19:32:17,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-11-16 19:32:17,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2022-11-16 19:32:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 19:32:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2022-11-16 19:32:17,163 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 17 [2022-11-16 19:32:17,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:32:17,163 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2022-11-16 19:32:17,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2022-11-16 19:32:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2022-11-16 19:32:17,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-16 19:32:17,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:32:17,167 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:32:17,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 19:32:17,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:32:17,375 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:32:17,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:32:17,376 INFO L85 PathProgramCache]: Analyzing trace with hash -867190139, now seen corresponding path program 1 times [2022-11-16 19:32:17,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:32:17,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543557172] [2022-11-16 19:32:17,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:32:17,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:32:17,702 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:32:17,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1522853110] [2022-11-16 19:32:17,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:32:17,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:32:17,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:32:17,705 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:32:17,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 19:32:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:32:19,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 3112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 19:32:19,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:32:19,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:32:19,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:32:19,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:32:19,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:32:19,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543557172] [2022-11-16 19:32:19,659 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:32:19,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522853110] [2022-11-16 19:32:19,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522853110] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:32:19,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1919119876] [2022-11-16 19:32:19,687 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-16 19:32:19,687 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:32:19,692 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:32:19,699 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:32:19,700 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:32:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:19,874 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 19:32:19,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-16 19:32:19,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:19,922 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 19:32:19,922 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 [2022-11-16 19:32:19,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:19,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 19:32:20,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,060 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 19:32:20,061 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 [2022-11-16 19:32:20,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-16 19:32:20,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:32:20,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-16 19:32:20,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 19:32:20,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 19:32:20,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:20,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-16 19:32:20,882 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 [2022-11-16 19:32:20,905 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 [2022-11-16 19:32:21,444 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 [2022-11-16 19:32:21,463 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 [2022-11-16 19:32:21,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 19:32:21,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:21,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-16 19:32:21,642 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 19:32:30,536 WARN L233 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:32:38,600 WARN L233 SmtUtils]: Spent 5.91s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:32:38,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1919119876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:32:38,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 19:32:38,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-16 19:32:38,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382554956] [2022-11-16 19:32:38,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:32:38,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 19:32:38,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:32:38,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 19:32:38,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-16 19:32:38,609 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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) [2022-11-16 19:32:43,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:32:43,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:32:43,431 INFO L93 Difference]: Finished difference Result 310 states and 378 transitions. [2022-11-16 19:32:43,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 19:32:43,432 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 61 [2022-11-16 19:32:43,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:32:43,433 INFO L225 Difference]: With dead ends: 310 [2022-11-16 19:32:43,433 INFO L226 Difference]: Without dead ends: 161 [2022-11-16 19:32:43,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-16 19:32:43,436 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 8 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:32:43,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 405 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 157 Invalid, 0 Unknown, 11 Unchecked, 4.8s Time] [2022-11-16 19:32:43,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-16 19:32:43,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-11-16 19:32:43,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 19:32:43,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2022-11-16 19:32:43,460 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2022-11-16 19:32:43,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:32:43,461 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2022-11-16 19:32:43,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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) [2022-11-16 19:32:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2022-11-16 19:32:43,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-16 19:32:43,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:32:43,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:32:43,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 19:32:43,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:32:43,678 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:32:43,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:32:43,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1835922908, now seen corresponding path program 1 times [2022-11-16 19:32:43,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:32:43,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328150284] [2022-11-16 19:32:43,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:32:43,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:32:43,877 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:32:43,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [886613411] [2022-11-16 19:32:43,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:32:43,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:32:43,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:32:43,879 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:32:43,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 19:32:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:32:45,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 2249 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 19:32:45,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:32:45,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 19:32:45,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:32:45,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 19:32:45,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:32:45,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328150284] [2022-11-16 19:32:45,543 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:32:45,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886613411] [2022-11-16 19:32:45,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886613411] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:32:45,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [577421942] [2022-11-16 19:32:45,548 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-16 19:32:45,548 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:32:45,549 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:32:45,549 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:32:45,549 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:32:45,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:45,709 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 19:32:45,710 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 [2022-11-16 19:32:45,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:45,736 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 [2022-11-16 19:32:45,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:45,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:45,813 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-16 19:32:45,813 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 [2022-11-16 19:32:45,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:45,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 19:32:45,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:45,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:45,901 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 19:32:45,901 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 [2022-11-16 19:32:45,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:45,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 19:32:45,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:45,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:32:45,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-16 19:32:46,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 19:32:46,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-16 19:32:46,567 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 [2022-11-16 19:32:46,587 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 [2022-11-16 19:32:46,623 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 [2022-11-16 19:32:46,636 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 [2022-11-16 19:32:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 19:32:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 19:32:46,860 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 [2022-11-16 19:32:46,933 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 [2022-11-16 19:32:46,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:46,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,017 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-16 19:32:47,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-16 19:32:47,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,127 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 19:32:47,128 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 [2022-11-16 19:32:47,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:47,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 19:32:47,979 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 [2022-11-16 19:32:48,000 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 [2022-11-16 19:32:48,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 19:32:48,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-16 19:32:48,175 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 [2022-11-16 19:32:48,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 19:32:48,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 19:32:48,335 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 [2022-11-16 19:32:48,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 19:32:48,473 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 [2022-11-16 19:32:48,504 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 [2022-11-16 19:32:48,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,598 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-16 19:32:48,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-16 19:32:48,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:48,708 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 19:32:48,709 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 [2022-11-16 19:32:49,171 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 253 for LOIs [2022-11-16 19:32:49,296 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 19:32:55,870 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:33:04,543 WARN L233 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:33:15,260 WARN L233 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 262 DAG size of output: 248 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:33:28,436 WARN L233 SmtUtils]: Spent 6.91s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:33:41,280 WARN L233 SmtUtils]: Spent 6.63s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 19:33:42,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [577421942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:33:42,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 19:33:42,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-16 19:33:42,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41221687] [2022-11-16 19:33:42,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:33:42,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 19:33:42,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:33:42,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 19:33:42,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-16 19:33:42,130 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 19:33:46,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:33:49,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 19:33:49,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:33:49,671 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2022-11-16 19:33:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 19:33:49,671 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2022-11-16 19:33:49,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:33:49,673 INFO L225 Difference]: With dead ends: 315 [2022-11-16 19:33:49,673 INFO L226 Difference]: Without dead ends: 166 [2022-11-16 19:33:49,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 52.8s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-16 19:33:49,675 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 9 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 272 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:33:49,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 812 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 0 Unknown, 272 Unchecked, 7.5s Time] [2022-11-16 19:33:49,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-16 19:33:49,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-11-16 19:33:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-16 19:33:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2022-11-16 19:33:49,710 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2022-11-16 19:33:49,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:33:49,710 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2022-11-16 19:33:49,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 19:33:49,711 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2022-11-16 19:33:49,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-16 19:33:49,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:33:49,719 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:33:49,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 19:33:49,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:33:49,927 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:33:49,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:33:49,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1163140644, now seen corresponding path program 1 times [2022-11-16 19:33:49,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:33:49,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828903477] [2022-11-16 19:33:49,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:33:49,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:33:50,113 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:33:50,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [626951429] [2022-11-16 19:33:50,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:33:50,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:33:50,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:33:50,119 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:33:50,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a60a9ae-4678-4379-a046-ac598b2660fe/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 19:33:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:33:51,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 2264 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 19:33:51,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:33:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 19:33:51,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:33:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 19:33:51,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:33:51,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828903477] [2022-11-16 19:33:51,804 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:33:51,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626951429] [2022-11-16 19:33:51,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626951429] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:33:51,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [806239143] [2022-11-16 19:33:51,809 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-16 19:33:51,810 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:33:51,810 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:33:51,811 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:33:51,811 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:33:51,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:51,942 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 19:33:51,943 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 [2022-11-16 19:33:51,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:51,958 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 [2022-11-16 19:33:51,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:51,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:33:51,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,012 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 19:33:52,013 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 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-16 19:33:52,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,080 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-16 19:33:52,081 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 [2022-11-16 19:33:52,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 19:33:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 19:33:52,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,203 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 19:33:52,204 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 [2022-11-16 19:33:52,547 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 [2022-11-16 19:33:52,568 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 [2022-11-16 19:33:52,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 19:33:52,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-16 19:33:52,784 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 [2022-11-16 19:33:52,800 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 [2022-11-16 19:33:52,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 19:33:52,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:52,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 19:33:53,040 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 [2022-11-16 19:33:53,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,145 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-16 19:33:53,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-16 19:33:53,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,272 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 19:33:53,272 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 [2022-11-16 19:33:53,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 19:33:53,402 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 [2022-11-16 19:33:53,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 19:33:53,585 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 13 treesize of output 9 [2022-11-16 19:33:53,592 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 [2022-11-16 19:33:53,657 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 19:33:53,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-16 19:33:53,703 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-16 19:33:53,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-16 19:33:53,744 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 19:33:53,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-16 19:33:53,791 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 [2022-11-16 19:33:53,798 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 [2022-11-16 19:33:53,806 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 [2022-11-16 19:33:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:53,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-16 19:33:54,010 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 [2022-11-16 19:33:54,037 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 [2022-11-16 19:33:54,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:54,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:54,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:54,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:54,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:54,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:54,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:54,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:54,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:54,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:54,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:54,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:54,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:54,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-16 19:33:54,296 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 [2022-11-16 19:33:54,319 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 [2022-11-16 19:33:57,283 INFO L217 Elim1Store]: Index analysis took 2433 ms [2022-11-16 19:34:06,711 WARN L233 SmtUtils]: Spent 9.42s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 19:34:06,711 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-16 19:34:06,712 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 10752723 treesize of output 10752742 [2022-11-16 19:34:09,017 INFO L217 Elim1Store]: Index analysis took 2100 ms [2022-11-16 19:34:09,595 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-16 19:34:09,596 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 10752718 treesize of output 10752722 [2022-11-16 19:37:47,951 WARN L233 SmtUtils]: Spent 3.63m on a formula simplification. DAG size of input: 198 DAG size of output: 106 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 19:37:47,952 INFO L321 Elim1Store]: treesize reduction 1611, result has 24.6 percent of original size [2022-11-16 19:37:47,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 8576 treesize of output 6519 [2022-11-16 19:37:48,688 INFO L217 Elim1Store]: Index analysis took 311 ms [2022-11-16 19:39:21,636 WARN L233 SmtUtils]: Spent 1.55m on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 19:39:21,637 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-16 19:39:21,638 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 8524 treesize of output 7357 [2022-11-16 19:39:26,382 INFO L217 Elim1Store]: Index analysis took 3434 ms