./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur --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 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 --- 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-38b53e6 [2022-11-25 23:24:16,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:24:16,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:24:16,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:24:16,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:24:16,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:24:16,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:24:16,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:24:16,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:24:16,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:24:16,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:24:16,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:24:16,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:24:16,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:24:16,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:24:16,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:24:16,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:24:16,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:24:16,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:24:16,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:24:16,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:24:16,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:24:16,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:24:16,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:24:16,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:24:16,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:24:16,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:24:16,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:24:16,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:24:16,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:24:16,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:24:16,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:24:16,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:24:16,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:24:16,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:24:16,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:24:16,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:24:16,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:24:16,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:24:16,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:24:16,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:24:16,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 23:24:16,221 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:24:16,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:24:16,222 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:24:16,222 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:24:16,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:24:16,223 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:24:16,224 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:24:16,224 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:24:16,224 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:24:16,224 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:24:16,226 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:24:16,226 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:24:16,226 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:24:16,226 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:24:16,227 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:24:16,227 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:24:16,227 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:24:16,228 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:24:16,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:24:16,229 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:24:16,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:24:16,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:24:16,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:24:16,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:24:16,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:24:16,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:24:16,230 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:24:16,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:24:16,231 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:24:16,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:24:16,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:24:16,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:24:16,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:24:16,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:24:16,233 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:24:16,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:24:16,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:24:16,234 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:24:16,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:24:16,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:24:16,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:24:16,235 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_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6a7e09bdf002daf4e1e371c35be311dd644a61b41d9b32022b9ee835751b90 [2022-11-25 23:24:16,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:24:16,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:24:16,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:24:16,580 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:24:16,580 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:24:16,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2022-11-25 23:24:19,725 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:24:20,041 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:24:20,042 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i [2022-11-25 23:24:20,068 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/data/fd7a28ce9/a2ec9b8dc7d94d6797ca46839ab40467/FLAGebfa336e7 [2022-11-25 23:24:20,086 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/data/fd7a28ce9/a2ec9b8dc7d94d6797ca46839ab40467 [2022-11-25 23:24:20,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:24:20,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:24:20,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:24:20,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:24:20,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:24:20,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:24:20" (1/1) ... [2022-11-25 23:24:20,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a48b6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:20, skipping insertion in model container [2022-11-25 23:24:20,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:24:20" (1/1) ... [2022-11-25 23:24:20,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:24:20,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:24:20,685 WARN L237 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_9a253402-c0fe-40d4-acb6-94daf98ba647/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i[33021,33034] [2022-11-25 23:24:20,835 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:24:20,857 WARN L237 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_9a253402-c0fe-40d4-acb6-94daf98ba647/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i[45234,45247] [2022-11-25 23:24:20,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:24:20,884 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:24:20,942 WARN L237 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_9a253402-c0fe-40d4-acb6-94daf98ba647/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i[33021,33034] [2022-11-25 23:24:21,017 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:24:21,024 WARN L237 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_9a253402-c0fe-40d4-acb6-94daf98ba647/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test8-1.i[45234,45247] [2022-11-25 23:24:21,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:24:21,059 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:24:21,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:21 WrapperNode [2022-11-25 23:24:21,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:24:21,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:24:21,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:24:21,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:24:21,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:21" (1/1) ... [2022-11-25 23:24:21,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:21" (1/1) ... [2022-11-25 23:24:21,189 INFO L138 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 992 [2022-11-25 23:24:21,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:24:21,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:24:21,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:24:21,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:24:21,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:21" (1/1) ... [2022-11-25 23:24:21,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:21" (1/1) ... [2022-11-25 23:24:21,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:21" (1/1) ... [2022-11-25 23:24:21,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:21" (1/1) ... [2022-11-25 23:24:21,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:21" (1/1) ... [2022-11-25 23:24:21,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:21" (1/1) ... [2022-11-25 23:24:21,264 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:21" (1/1) ... [2022-11-25 23:24:21,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:21" (1/1) ... [2022-11-25 23:24:21,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:24:21,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:24:21,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:24:21,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:24:21,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:21" (1/1) ... [2022-11-25 23:24:21,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:24:21,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:24:21,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:24:21,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:24:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:24:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 23:24:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 23:24:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:24:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:24:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:24:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2022-11-25 23:24:21,373 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2022-11-25 23:24:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:24:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:24:21,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:24:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:24:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:24:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:24:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:24:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:24:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:24:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:24:21,589 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:24:21,591 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:24:23,140 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:24:23,556 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:24:23,556 INFO L300 CfgBuilder]: Removed 62 assume(true) statements. [2022-11-25 23:24:23,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:24:23 BoogieIcfgContainer [2022-11-25 23:24:23,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:24:23,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:24:23,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:24:23,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:24:23,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:24:20" (1/3) ... [2022-11-25 23:24:23,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e210abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:24:23, skipping insertion in model container [2022-11-25 23:24:23,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:21" (2/3) ... [2022-11-25 23:24:23,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e210abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:24:23, skipping insertion in model container [2022-11-25 23:24:23,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:24:23" (3/3) ... [2022-11-25 23:24:23,572 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test8-1.i [2022-11-25 23:24:23,595 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:24:23,596 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:24:23,661 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:24:23,670 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;@3320e788, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:24:23,670 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:24:23,676 INFO L276 IsEmpty]: Start isEmpty. Operand has 148 states, 122 states have (on average 1.7950819672131149) internal successors, (219), 139 states have internal predecessors, (219), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-25 23:24:23,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:24:23,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:23,686 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:24:23,687 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:23,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:23,694 INFO L85 PathProgramCache]: Analyzing trace with hash 888261009, now seen corresponding path program 1 times [2022-11-25 23:24:23,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:23,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867119884] [2022-11-25 23:24:23,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:23,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:23,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:24:23,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:23,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867119884] [2022-11-25 23:24:23,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867119884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:23,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:23,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:24:23,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548151077] [2022-11-25 23:24:23,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:23,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:24:23,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:23,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:24:23,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:24:23,990 INFO L87 Difference]: Start difference. First operand has 148 states, 122 states have (on average 1.7950819672131149) internal successors, (219), 139 states have internal predecessors, (219), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-11-25 23:24:25,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:24:25,117 INFO L93 Difference]: Finished difference Result 295 states and 534 transitions. [2022-11-25 23:24:25,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:24:25,120 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2022-11-25 23:24:25,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:24:25,130 INFO L225 Difference]: With dead ends: 295 [2022-11-25 23:24:25,130 INFO L226 Difference]: Without dead ends: 146 [2022-11-25 23:24:25,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:24:25,139 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:24:25,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 23:24:25,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-11-25 23:24:25,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2022-11-25 23:24:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 121 states have (on average 1.2727272727272727) internal successors, (154), 137 states have internal predecessors, (154), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-25 23:24:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 194 transitions. [2022-11-25 23:24:25,192 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 194 transitions. Word has length 8 [2022-11-25 23:24:25,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:24:25,193 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 194 transitions. [2022-11-25 23:24:25,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-11-25 23:24:25,193 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 194 transitions. [2022-11-25 23:24:25,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 23:24:25,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:25,195 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] [2022-11-25 23:24:25,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:24:25,196 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:25,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:25,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1250356048, now seen corresponding path program 1 times [2022-11-25 23:24:25,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:25,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468048534] [2022-11-25 23:24:25,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:25,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:25,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:24:25,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:25,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468048534] [2022-11-25 23:24:25,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468048534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:25,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:25,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:24:25,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403158280] [2022-11-25 23:24:25,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:25,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:24:25,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:25,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:24:25,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:24:25,644 INFO L87 Difference]: Start difference. First operand 146 states and 194 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-25 23:24:27,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:24:27,959 INFO L93 Difference]: Finished difference Result 293 states and 390 transitions. [2022-11-25 23:24:27,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:24:27,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2022-11-25 23:24:27,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:24:27,967 INFO L225 Difference]: With dead ends: 293 [2022-11-25 23:24:27,967 INFO L226 Difference]: Without dead ends: 202 [2022-11-25 23:24:27,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:24:27,969 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 60 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:24:27,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 480 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 23:24:27,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-11-25 23:24:27,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 148. [2022-11-25 23:24:27,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 123 states have (on average 1.2682926829268293) internal successors, (156), 139 states have internal predecessors, (156), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-25 23:24:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 196 transitions. [2022-11-25 23:24:27,987 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 196 transitions. Word has length 20 [2022-11-25 23:24:27,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:24:27,988 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 196 transitions. [2022-11-25 23:24:27,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-25 23:24:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 196 transitions. [2022-11-25 23:24:27,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 23:24:27,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:27,990 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:24:27,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:24:27,990 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:27,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:27,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1118312460, now seen corresponding path program 1 times [2022-11-25 23:24:27,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:27,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990725091] [2022-11-25 23:24:27,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:27,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:28,136 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:24:28,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [821678397] [2022-11-25 23:24:28,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:28,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:24:28,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:24:28,143 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:24:28,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:24:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:28,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 1597 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:24:28,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:24:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:24:29,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:24:29,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:29,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990725091] [2022-11-25 23:24:29,044 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:24:29,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821678397] [2022-11-25 23:24:29,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821678397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:29,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:29,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:24:29,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682065021] [2022-11-25 23:24:29,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:29,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:24:29,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:29,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:24:29,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:24:29,047 INFO L87 Difference]: Start difference. First operand 148 states and 196 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:24:30,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:24:30,651 INFO L93 Difference]: Finished difference Result 341 states and 444 transitions. [2022-11-25 23:24:30,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:24:30,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-25 23:24:30,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:24:30,654 INFO L225 Difference]: With dead ends: 341 [2022-11-25 23:24:30,654 INFO L226 Difference]: Without dead ends: 196 [2022-11-25 23:24:30,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:24:30,656 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 45 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:24:30,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 341 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 23:24:30,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-11-25 23:24:30,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 193. [2022-11-25 23:24:30,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 167 states have (on average 1.2275449101796407) internal successors, (205), 183 states have internal predecessors, (205), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2022-11-25 23:24:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 247 transitions. [2022-11-25 23:24:30,676 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 247 transitions. Word has length 32 [2022-11-25 23:24:30,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:24:30,677 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 247 transitions. [2022-11-25 23:24:30,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:24:30,678 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 247 transitions. [2022-11-25 23:24:30,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-25 23:24:30,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:30,679 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] [2022-11-25 23:24:30,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 23:24:30,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:24:30,889 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:30,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:30,889 INFO L85 PathProgramCache]: Analyzing trace with hash -119168274, now seen corresponding path program 1 times [2022-11-25 23:24:30,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:30,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357508047] [2022-11-25 23:24:30,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:30,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:30,947 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:24:30,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [777491605] [2022-11-25 23:24:30,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:30,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:24:30,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:24:30,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:24:30,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:24:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:49,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:24:49,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:24:49,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:24:49,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:24:49,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:49,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357508047] [2022-11-25 23:24:49,451 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:24:49,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777491605] [2022-11-25 23:24:49,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777491605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:49,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:49,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:24:49,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192770689] [2022-11-25 23:24:49,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:49,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:24:49,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:49,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:24:49,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:24:49,455 INFO L87 Difference]: Start difference. First operand 193 states and 247 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:24:50,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:24:50,987 INFO L93 Difference]: Finished difference Result 372 states and 482 transitions. [2022-11-25 23:24:50,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:24:50,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-11-25 23:24:50,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:24:50,995 INFO L225 Difference]: With dead ends: 372 [2022-11-25 23:24:50,996 INFO L226 Difference]: Without dead ends: 195 [2022-11-25 23:24:50,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:24:50,998 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 1 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:24:50,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 521 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-25 23:24:51,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-11-25 23:24:51,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2022-11-25 23:24:51,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 168 states have (on average 1.2321428571428572) internal successors, (207), 185 states have internal predecessors, (207), 21 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2022-11-25 23:24:51,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 250 transitions. [2022-11-25 23:24:51,021 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 250 transitions. Word has length 45 [2022-11-25 23:24:51,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:24:51,022 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 250 transitions. [2022-11-25 23:24:51,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:24:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 250 transitions. [2022-11-25 23:24:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-25 23:24:51,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:51,024 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:24:51,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-25 23:24:51,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:24:51,239 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:51,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:51,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1646850426, now seen corresponding path program 1 times [2022-11-25 23:24:51,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:51,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334849449] [2022-11-25 23:24:51,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:51,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:51,342 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:24:51,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1293937688] [2022-11-25 23:24:51,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:51,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:24:51,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:24:51,358 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:24:51,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a253402-c0fe-40d4-acb6-94daf98ba647/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:24:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:54,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 23:24:54,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:24:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:24:54,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:24:54,500 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:24:54,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:54,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334849449] [2022-11-25 23:24:54,500 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:24:54,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293937688] [2022-11-25 23:24:54,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293937688] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:24:54,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [988672084] [2022-11-25 23:24:54,529 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2022-11-25 23:24:54,529 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:24:54,535 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:24:54,541 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:24:54,542 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:24:54,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:24:54,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:24:54,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:54,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 23:24:54,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:54,707 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:24:54,708 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 [2022-11-25 23:24:54,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:54,724 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 [2022-11-25 23:24:54,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:54,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:54,795 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:24:54,797 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 [2022-11-25 23:24:54,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:54,826 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 [2022-11-25 23:24:54,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:54,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:54,870 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 23:24:54,871 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 [2022-11-25 23:24:54,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:54,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:54,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:54,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:54,893 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 52 treesize of output 49 [2022-11-25 23:24:54,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:54,916 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 [2022-11-25 23:24:55,512 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 [2022-11-25 23:24:55,545 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 [2022-11-25 23:24:55,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-25 23:24:55,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-25 23:24:55,758 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 [2022-11-25 23:24:55,800 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 [2022-11-25 23:24:55,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:24:55,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:55,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:24:56,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-25 23:24:56,129 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 [2022-11-25 23:24:56,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,228 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 23:24:56,228 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 [2022-11-25 23:24:56,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-11-25 23:24:56,283 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 [2022-11-25 23:24:56,509 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 [2022-11-25 23:24:56,514 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 [2022-11-25 23:24:56,519 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 [2022-11-25 23:24:56,569 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:24:56,570 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 [2022-11-25 23:24:56,603 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-25 23:24:56,603 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 [2022-11-25 23:24:56,635 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 23:24:56,636 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 [2022-11-25 23:24:56,673 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 [2022-11-25 23:24:56,678 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 [2022-11-25 23:24:56,684 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 [2022-11-25 23:24:56,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:56,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 23:24:56,805 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 [2022-11-25 23:24:56,826 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 [2022-11-25 23:24:57,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:24:57,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-25 23:24:57,075 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 [2022-11-25 23:24:57,092 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 [2022-11-25 23:24:58,049 INFO L217 Elim1Store]: Index analysis took 580 ms [2022-11-25 23:25:04,639 WARN L233 SmtUtils]: Spent 6.59s 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) [2022-11-25 23:25:04,640 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-25 23:25:04,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-25 23:25:06,000 INFO L217 Elim1Store]: Index analysis took 892 ms [2022-11-25 23:25:06,735 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-25 23:25:06,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-25 23:28:35,693 WARN L233 SmtUtils]: Spent 3.48m 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) [2022-11-25 23:28:35,695 INFO L321 Elim1Store]: treesize reduction 1611, result has 24.6 percent of original size [2022-11-25 23:28:35,695 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 7904 treesize of output 5832 [2022-11-25 23:28:36,117 INFO L217 Elim1Store]: Index analysis took 105 ms [2022-11-25 23:29:49,604 WARN L233 SmtUtils]: Spent 1.22m 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) [2022-11-25 23:29:49,605 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 23:29:49,606 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 7180 treesize of output 5998 [2022-11-25 23:29:55,058 INFO L217 Elim1Store]: Index analysis took 3567 ms