./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.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_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/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_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/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_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/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 1c32e831c11e67575bf9fc4420a056c0795572e7218bcd99a0067a1a2caea6f7 --- 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 22:22:26,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:22:26,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:22:26,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:22:26,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:22:26,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:22:26,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:22:26,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:22:26,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:22:26,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:22:26,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:22:26,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:22:26,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:22:26,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:22:26,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:22:26,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:22:26,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:22:26,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:22:26,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:22:26,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:22:26,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:22:26,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:22:26,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:22:26,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:22:26,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:22:26,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:22:26,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:22:26,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:22:26,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:22:26,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:22:26,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:22:26,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:22:26,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:22:26,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:22:26,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:22:26,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:22:26,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:22:26,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:22:26,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:22:26,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:22:26,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:22:26,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 22:22:26,237 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:22:26,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:22:26,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:22:26,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:22:26,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:22:26,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:22:26,240 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:22:26,240 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:22:26,240 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:22:26,240 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:22:26,241 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:22:26,242 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:22:26,242 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:22:26,242 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:22:26,242 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:22:26,243 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:22:26,243 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:22:26,243 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:22:26,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:22:26,244 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:22:26,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:22:26,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:22:26,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:22:26,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:22:26,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:22:26,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:22:26,246 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:22:26,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:22:26,247 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:22:26,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:22:26,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:22:26,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:22:26,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:22:26,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:22:26,249 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:22:26,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:22:26,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:22:26,250 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:22:26,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:22:26,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:22:26,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:22:26,252 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_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c32e831c11e67575bf9fc4420a056c0795572e7218bcd99a0067a1a2caea6f7 [2022-11-25 22:22:26,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:22:26,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:22:26,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:22:26,552 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:22:26,553 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:22:26,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i [2022-11-25 22:22:29,634 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:22:30,026 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:22:30,026 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i [2022-11-25 22:22:30,054 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/data/9b6aa687b/f26d262f2c284a3686c003db6f7e08ba/FLAGd3db98884 [2022-11-25 22:22:30,192 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/data/9b6aa687b/f26d262f2c284a3686c003db6f7e08ba [2022-11-25 22:22:30,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:22:30,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:22:30,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:22:30,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:22:30,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:22:30,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:22:30" (1/1) ... [2022-11-25 22:22:30,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3466acaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:30, skipping insertion in model container [2022-11-25 22:22:30,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:22:30" (1/1) ... [2022-11-25 22:22:30,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:22:30,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:22:30,860 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_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i[33022,33035] [2022-11-25 22:22:31,003 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:22:31,021 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:22:31,038 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:22:31,054 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:22:31,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:22:31,083 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:22:31,135 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_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i[33022,33035] [2022-11-25 22:22:31,237 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:22:31,247 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:22:31,255 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:22:31,264 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:22:31,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:22:31,311 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:22:31,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:31 WrapperNode [2022-11-25 22:22:31,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:22:31,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:22:31,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:22:31,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:22:31,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:31" (1/1) ... [2022-11-25 22:22:31,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:31" (1/1) ... [2022-11-25 22:22:31,534 INFO L138 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2167 [2022-11-25 22:22:31,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:22:31,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:22:31,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:22:31,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:22:31,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:31" (1/1) ... [2022-11-25 22:22:31,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:31" (1/1) ... [2022-11-25 22:22:31,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:31" (1/1) ... [2022-11-25 22:22:31,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:31" (1/1) ... [2022-11-25 22:22:31,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:31" (1/1) ... [2022-11-25 22:22:31,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:31" (1/1) ... [2022-11-25 22:22:31,652 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:31" (1/1) ... [2022-11-25 22:22:31,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:31" (1/1) ... [2022-11-25 22:22:31,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:22:31,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:22:31,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:22:31,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:22:31,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:31" (1/1) ... [2022-11-25 22:22:31,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:22:31,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:22:31,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:22:31,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:22:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2022-11-25 22:22:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2022-11-25 22:22:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:22:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:22:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:22:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:22:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:22:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:22:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:22:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:22:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:22:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:22:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 22:22:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:22:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:22:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:22:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:22:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:22:32,135 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:22:32,138 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:22:34,765 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:22:35,538 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:22:35,538 INFO L300 CfgBuilder]: Removed 151 assume(true) statements. [2022-11-25 22:22:35,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:22:35 BoogieIcfgContainer [2022-11-25 22:22:35,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:22:35,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:22:35,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:22:35,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:22:35,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:22:30" (1/3) ... [2022-11-25 22:22:35,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2670e418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:22:35, skipping insertion in model container [2022-11-25 22:22:35,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:22:31" (2/3) ... [2022-11-25 22:22:35,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2670e418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:22:35, skipping insertion in model container [2022-11-25 22:22:35,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:22:35" (3/3) ... [2022-11-25 22:22:35,553 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test10-1.i [2022-11-25 22:22:35,595 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:22:35,596 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:22:35,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:22:35,660 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;@7f0acd53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:22:35,660 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:22:35,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 251 states, 232 states have (on average 1.8275862068965518) internal successors, (424), 237 states have internal predecessors, (424), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 22:22:35,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 22:22:35,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:35,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:22:35,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:22:35,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:35,680 INFO L85 PathProgramCache]: Analyzing trace with hash 57065197, now seen corresponding path program 1 times [2022-11-25 22:22:35,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:35,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757277748] [2022-11-25 22:22:35,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:35,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:35,909 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 22:22:35,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:35,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757277748] [2022-11-25 22:22:35,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757277748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:35,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:22:35,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:22:35,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701839079] [2022-11-25 22:22:35,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:35,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 22:22:35,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:35,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 22:22:35,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:22:35,957 INFO L87 Difference]: Start difference. First operand has 251 states, 232 states have (on average 1.8275862068965518) internal successors, (424), 237 states have internal predecessors, (424), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 22:22:37,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:22:37,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:37,738 INFO L93 Difference]: Finished difference Result 501 states and 911 transitions. [2022-11-25 22:22:37,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 22:22:37,753 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 12 [2022-11-25 22:22:37,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:37,764 INFO L225 Difference]: With dead ends: 501 [2022-11-25 22:22:37,764 INFO L226 Difference]: Without dead ends: 249 [2022-11-25 22:22:37,784 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 22:22:37,787 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:37,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 279 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 22:22:37,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-11-25 22:22:37,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-11-25 22:22:37,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 231 states have (on average 1.199134199134199) internal successors, (277), 236 states have internal predecessors, (277), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 22:22:37,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 304 transitions. [2022-11-25 22:22:37,897 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 304 transitions. Word has length 12 [2022-11-25 22:22:37,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:37,897 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 304 transitions. [2022-11-25 22:22:37,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 22:22:37,898 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 304 transitions. [2022-11-25 22:22:37,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 22:22:37,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:37,900 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] [2022-11-25 22:22:37,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:22:37,901 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:22:37,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:37,902 INFO L85 PathProgramCache]: Analyzing trace with hash -344877955, now seen corresponding path program 1 times [2022-11-25 22:22:37,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:37,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517695128] [2022-11-25 22:22:37,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:37,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:38,313 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 22:22:38,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:38,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517695128] [2022-11-25 22:22:38,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517695128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:38,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:22:38,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:22:38,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002214394] [2022-11-25 22:22:38,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:38,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:22:38,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:38,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:22:38,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:22:38,321 INFO L87 Difference]: Start difference. First operand 249 states and 304 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 22:22:42,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:22:45,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:22:45,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:45,326 INFO L93 Difference]: Finished difference Result 425 states and 521 transitions. [2022-11-25 22:22:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:22:45,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 24 [2022-11-25 22:22:45,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:45,330 INFO L225 Difference]: With dead ends: 425 [2022-11-25 22:22:45,330 INFO L226 Difference]: Without dead ends: 276 [2022-11-25 22:22:45,331 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 22:22:45,332 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 27 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:45,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 766 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-11-25 22:22:45,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-11-25 22:22:45,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 251. [2022-11-25 22:22:45,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 233 states have (on average 1.1974248927038627) internal successors, (279), 238 states have internal predecessors, (279), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 22:22:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 306 transitions. [2022-11-25 22:22:45,366 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 306 transitions. Word has length 24 [2022-11-25 22:22:45,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:45,366 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 306 transitions. [2022-11-25 22:22:45,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 22:22:45,367 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 306 transitions. [2022-11-25 22:22:45,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-25 22:22:45,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:45,369 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:22:45,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:22:45,369 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:22:45,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:45,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1076919952, now seen corresponding path program 1 times [2022-11-25 22:22:45,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:45,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531056163] [2022-11-25 22:22:45,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:45,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:45,583 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:22:45,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2125076623] [2022-11-25 22:22:45,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:45,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:22:45,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:22:45,594 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:22:45,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:22:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:46,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:22:46,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:22:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:22:46,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:22:46,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:46,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531056163] [2022-11-25 22:22:46,644 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:22:46,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125076623] [2022-11-25 22:22:46,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125076623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:46,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:22:46,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:22:46,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464829052] [2022-11-25 22:22:46,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:46,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:22:46,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:46,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:22:46,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:22:46,648 INFO L87 Difference]: Start difference. First operand 251 states and 306 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 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 22:22:49,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 22:22:50,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:50,116 INFO L93 Difference]: Finished difference Result 614 states and 746 transitions. [2022-11-25 22:22:50,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:22:50,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 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 49 [2022-11-25 22:22:50,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:50,119 INFO L225 Difference]: With dead ends: 614 [2022-11-25 22:22:50,119 INFO L226 Difference]: Without dead ends: 366 [2022-11-25 22:22:50,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 22:22:50,121 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 119 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:50,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 547 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-25 22:22:50,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-11-25 22:22:50,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2022-11-25 22:22:50,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 339 states have (on average 1.1799410029498525) internal successors, (400), 344 states have internal predecessors, (400), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-25 22:22:50,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 437 transitions. [2022-11-25 22:22:50,147 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 437 transitions. Word has length 49 [2022-11-25 22:22:50,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:50,156 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 437 transitions. [2022-11-25 22:22:50,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 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 22:22:50,156 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 437 transitions. [2022-11-25 22:22:50,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-25 22:22:50,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:50,159 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:22:50,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:22:50,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:22:50,368 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:22:50,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:50,369 INFO L85 PathProgramCache]: Analyzing trace with hash -887951383, now seen corresponding path program 1 times [2022-11-25 22:22:50,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:50,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273430410] [2022-11-25 22:22:50,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:50,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:50,455 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:22:50,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1206204804] [2022-11-25 22:22:50,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:50,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:22:50,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:22:50,457 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:22:50,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:22:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:51,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 22:22:51,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:22:51,275 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 22:22:51,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 22:22:51,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:22:51,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-25 22:22:51,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 22:22:51,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:22:51,363 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:51,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273430410] [2022-11-25 22:22:51,363 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:22:51,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206204804] [2022-11-25 22:22:51,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206204804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:51,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:22:51,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:22:51,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504180948] [2022-11-25 22:22:51,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:51,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:22:51,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:51,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:22:51,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:22:51,371 INFO L87 Difference]: Start difference. First operand 362 states and 437 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:22:55,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:55,506 INFO L93 Difference]: Finished difference Result 674 states and 815 transitions. [2022-11-25 22:22:55,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:22:55,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 62 [2022-11-25 22:22:55,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:55,509 INFO L225 Difference]: With dead ends: 674 [2022-11-25 22:22:55,509 INFO L226 Difference]: Without dead ends: 362 [2022-11-25 22:22:55,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 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 22:22:55,511 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 13 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:55,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 766 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-25 22:22:55,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-11-25 22:22:55,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2022-11-25 22:22:55,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 339 states have (on average 1.176991150442478) internal successors, (399), 344 states have internal predecessors, (399), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-25 22:22:55,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 436 transitions. [2022-11-25 22:22:55,533 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 436 transitions. Word has length 62 [2022-11-25 22:22:55,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:55,534 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 436 transitions. [2022-11-25 22:22:55,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:22:55,534 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 436 transitions. [2022-11-25 22:22:55,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-25 22:22:55,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:55,537 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:22:55,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-25 22:22:55,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-11-25 22:22:55,746 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:22:55,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:22:55,747 INFO L85 PathProgramCache]: Analyzing trace with hash -685995049, now seen corresponding path program 1 times [2022-11-25 22:22:55,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:22:55,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42373795] [2022-11-25 22:22:55,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:55,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:22:55,970 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:22:55,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [815575511] [2022-11-25 22:22:55,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:22:55,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:22:55,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:22:55,973 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:22:55,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:22:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:22:57,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 2300 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:22:57,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:22:57,329 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 22:22:57,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:22:57,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:22:57,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42373795] [2022-11-25 22:22:57,330 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:22:57,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815575511] [2022-11-25 22:22:57,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815575511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:22:57,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:22:57,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:22:57,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753796774] [2022-11-25 22:22:57,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:22:57,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:22:57,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:22:57,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:22:57,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:22:57,332 INFO L87 Difference]: Start difference. First operand 362 states and 436 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:22:59,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:22:59,752 INFO L93 Difference]: Finished difference Result 820 states and 988 transitions. [2022-11-25 22:22:59,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:22:59,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2022-11-25 22:22:59,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:22:59,755 INFO L225 Difference]: With dead ends: 820 [2022-11-25 22:22:59,755 INFO L226 Difference]: Without dead ends: 484 [2022-11-25 22:22:59,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 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 22:22:59,757 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 110 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:22:59,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 531 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 22:22:59,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2022-11-25 22:22:59,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 429. [2022-11-25 22:22:59,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 403 states have (on average 1.1687344913151365) internal successors, (471), 408 states have internal predecessors, (471), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2022-11-25 22:22:59,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 514 transitions. [2022-11-25 22:22:59,785 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 514 transitions. Word has length 83 [2022-11-25 22:22:59,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:22:59,785 INFO L495 AbstractCegarLoop]: Abstraction has 429 states and 514 transitions. [2022-11-25 22:22:59,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:22:59,786 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 514 transitions. [2022-11-25 22:22:59,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-25 22:22:59,788 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:22:59,789 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:22:59,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:23:00,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:23:00,001 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:23:00,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:00,002 INFO L85 PathProgramCache]: Analyzing trace with hash -397116236, now seen corresponding path program 1 times [2022-11-25 22:23:00,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:00,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99226566] [2022-11-25 22:23:00,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:00,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:00,112 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:23:00,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957953414] [2022-11-25 22:23:00,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:00,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:23:00,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:23:00,114 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:23:00,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:23:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:01,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:23:01,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:23:01,280 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-25 22:23:01,280 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:23:01,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:23:01,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99226566] [2022-11-25 22:23:01,281 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:23:01,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957953414] [2022-11-25 22:23:01,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957953414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:23:01,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:23:01,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:23:01,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437454143] [2022-11-25 22:23:01,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:23:01,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:23:01,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:23:01,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:23:01,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:23:01,285 INFO L87 Difference]: Start difference. First operand 429 states and 514 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 22:23:02,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:23:02,964 INFO L93 Difference]: Finished difference Result 719 states and 867 transitions. [2022-11-25 22:23:02,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:23:02,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 96 [2022-11-25 22:23:02,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:23:02,968 INFO L225 Difference]: With dead ends: 719 [2022-11-25 22:23:02,968 INFO L226 Difference]: Without dead ends: 351 [2022-11-25 22:23:02,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 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 22:23:02,970 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 438 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:23:02,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 329 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 22:23:02,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-11-25 22:23:02,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2022-11-25 22:23:02,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 330 states have (on average 1.1666666666666667) internal successors, (385), 335 states have internal predecessors, (385), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-25 22:23:02,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 418 transitions. [2022-11-25 22:23:02,998 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 418 transitions. Word has length 96 [2022-11-25 22:23:02,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:23:02,999 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 418 transitions. [2022-11-25 22:23:02,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 22:23:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 418 transitions. [2022-11-25 22:23:03,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-25 22:23:03,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:23:03,001 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:23:03,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 22:23:03,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:23:03,213 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:23:03,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:03,213 INFO L85 PathProgramCache]: Analyzing trace with hash -2128847042, now seen corresponding path program 1 times [2022-11-25 22:23:03,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:03,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68758192] [2022-11-25 22:23:03,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:03,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:03,313 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:23:03,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44296296] [2022-11-25 22:23:03,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:03,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:23:03,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:23:03,315 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:23:03,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 22:23:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:35,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:23:35,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:23:35,421 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:23:35,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:23:35,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:23:35,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68758192] [2022-11-25 22:23:35,422 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:23:35,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44296296] [2022-11-25 22:23:35,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44296296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:23:35,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:23:35,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:23:35,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758650537] [2022-11-25 22:23:35,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:23:35,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:23:35,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:23:35,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:23:35,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:23:35,425 INFO L87 Difference]: Start difference. First operand 351 states and 418 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 22:23:38,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:23:38,968 INFO L93 Difference]: Finished difference Result 684 states and 823 transitions. [2022-11-25 22:23:38,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:23:38,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 103 [2022-11-25 22:23:38,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:23:38,971 INFO L225 Difference]: With dead ends: 684 [2022-11-25 22:23:38,971 INFO L226 Difference]: Without dead ends: 353 [2022-11-25 22:23:38,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:23:38,973 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 1 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:23:38,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 812 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-25 22:23:38,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-11-25 22:23:38,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2022-11-25 22:23:38,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 331 states have (on average 1.1691842900302114) internal successors, (387), 337 states have internal predecessors, (387), 17 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (19), 13 states have call predecessors, (19), 16 states have call successors, (19) [2022-11-25 22:23:38,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 423 transitions. [2022-11-25 22:23:38,997 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 423 transitions. Word has length 103 [2022-11-25 22:23:38,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:23:38,998 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 423 transitions. [2022-11-25 22:23:38,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 22:23:38,998 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 423 transitions. [2022-11-25 22:23:38,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-25 22:23:38,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:23:39,000 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:23:39,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-25 22:23:39,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:23:39,216 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:23:39,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:39,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1518494194, now seen corresponding path program 1 times [2022-11-25 22:23:39,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:39,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19723099] [2022-11-25 22:23:39,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:39,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:39,335 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:23:39,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795917392] [2022-11-25 22:23:39,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:39,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:23:39,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:23:39,338 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:23:39,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_780bc63e-d47f-44a4-89ea-6f7ef4bd2cfa/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 22:37:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:09,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 22:37:09,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:37:09,808 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-25 22:37:09,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:37:09,971 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-25 22:37:09,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:09,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19723099] [2022-11-25 22:37:09,972 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:37:09,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795917392] [2022-11-25 22:37:09,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795917392] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:37:09,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1959041361] [2022-11-25 22:37:09,998 INFO L159 IcfgInterpreter]: Started Sifa with 93 locations of interest [2022-11-25 22:37:09,999 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:37:10,002 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:37:10,008 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:37:10,008 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:37:10,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:10,318 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 22:37:10,318 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 22:37:10,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:10,330 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 22:37:10,342 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 15 treesize of output 1 [2022-11-25 22:37:10,349 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 15 treesize of output 1 [2022-11-25 22:37:10,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:10,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-25 22:37:10,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:10,413 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 22:37:10,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:10,430 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 22:37:10,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:10,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:10,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:10,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:10,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:10,465 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-25 22:37:10,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2022-11-25 22:37:10,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:10,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:10,521 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 22:37:10,522 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 22:37:10,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:10,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:10,575 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-25 22:37:10,576 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 22:37:11,044 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 22:37:11,076 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 22:37:11,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,132 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 9897016 treesize of output 5376291 [2022-11-25 22:37:11,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,202 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 9897007 treesize of output 5376300 [2022-11-25 22:37:11,274 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 22:37:11,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,343 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 9897022 treesize of output 5376303 [2022-11-25 22:37:11,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,407 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 9897022 treesize of output 5376303 [2022-11-25 22:37:11,450 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 22:37:11,506 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 22:37:11,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,572 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-25 22:37:11,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-25 22:37:11,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,692 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-25 22:37:11,693 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 22:37:11,724 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 22:37:11,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:11,774 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 9897022 treesize of output 5376303 [2022-11-25 22:37:11,984 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 22:37:11,989 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 22:37:11,995 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 22:37:12,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-25 22:37:12,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-25 22:37:12,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-25 22:37:12,068 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 22:37:12,074 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 22:37:12,080 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 22:37:12,149 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 22:37:12,169 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 22:37:12,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376221 [2022-11-25 22:37:12,443 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 22:37:12,463 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 22:37:12,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:37:12,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376221 [2022-11-25 22:37:13,622 INFO L217 Elim1Store]: Index analysis took 850 ms [2022-11-25 22:37:18,561 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-25 22:37:18,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519784 treesize of output 9519788 [2022-11-25 22:37:19,706 INFO L217 Elim1Store]: Index analysis took 923 ms [2022-11-25 22:37:23,692 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-25 22:37:23,693 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 9519789 treesize of output 9519792 [2022-11-25 22:37:33,322 WARN L233 SmtUtils]: Spent 9.58s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:37:33,323 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-25 22:37:33,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-25 22:37:47,942 WARN L233 SmtUtils]: Spent 14.47s 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 22:37:47,942 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-25 22:37:47,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1819 [2022-11-25 22:37:48,766 INFO L217 Elim1Store]: Index analysis took 587 ms