./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/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_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh --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-2329fc7 [2022-12-14 04:55:07,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:55:07,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:55:07,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:55:07,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:55:07,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:55:07,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:55:07,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:55:07,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:55:07,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:55:07,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:55:07,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:55:07,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:55:07,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:55:07,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:55:07,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:55:07,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:55:07,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:55:07,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:55:07,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:55:07,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:55:07,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:55:07,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:55:07,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:55:07,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:55:07,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:55:07,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:55:07,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:55:07,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:55:07,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:55:07,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:55:07,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:55:07,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:55:07,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:55:07,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:55:07,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:55:07,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:55:07,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:55:07,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:55:07,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:55:07,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:55:07,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 04:55:07,168 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:55:07,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:55:07,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:55:07,168 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:55:07,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:55:07,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:55:07,169 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:55:07,169 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:55:07,170 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:55:07,170 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:55:07,170 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:55:07,170 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:55:07,170 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:55:07,170 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:55:07,171 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:55:07,171 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:55:07,171 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:55:07,171 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:55:07,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:55:07,172 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 04:55:07,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:55:07,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 04:55:07,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:55:07,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:55:07,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:55:07,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:55:07,173 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 04:55:07,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:55:07,173 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:55:07,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:55:07,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:55:07,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:55:07,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:55:07,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:55:07,174 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:55:07,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:55:07,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:55:07,175 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:55:07,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:55:07,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:55:07,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:55:07,175 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_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c32e831c11e67575bf9fc4420a056c0795572e7218bcd99a0067a1a2caea6f7 [2022-12-14 04:55:07,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:55:07,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:55:07,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:55:07,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:55:07,395 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:55:07,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i [2022-12-14 04:55:09,986 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:55:10,180 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:55:10,181 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i [2022-12-14 04:55:10,191 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/data/687ff6bd9/cd0f80cc98ae4759b0db4c69ed0cadea/FLAGf7e544adc [2022-12-14 04:55:10,202 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/data/687ff6bd9/cd0f80cc98ae4759b0db4c69ed0cadea [2022-12-14 04:55:10,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:55:10,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:55:10,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:55:10,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:55:10,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:55:10,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:55:10" (1/1) ... [2022-12-14 04:55:10,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7422ab9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:55:10, skipping insertion in model container [2022-12-14 04:55:10,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:55:10" (1/1) ... [2022-12-14 04:55:10,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:55:10,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:55:10,548 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_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i[33022,33035] [2022-12-14 04:55:10,632 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 04:55:10,643 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 04:55:10,654 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 04:55:10,664 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 04:55:10,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:55:10,680 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:55:10,702 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_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i[33022,33035] [2022-12-14 04:55:10,747 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 04:55:10,756 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 04:55:10,765 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 04:55:10,775 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 04:55:10,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:55:10,822 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:55:10,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:55:10 WrapperNode [2022-12-14 04:55:10,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:55:10,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:55:10,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:55:10,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:55:10,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:55:10" (1/1) ... [2022-12-14 04:55:10,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:55:10" (1/1) ... [2022-12-14 04:55:10,913 INFO L138 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2167 [2022-12-14 04:55:10,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:55:10,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:55:10,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:55:10,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:55:10,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:55:10" (1/1) ... [2022-12-14 04:55:10,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:55:10" (1/1) ... [2022-12-14 04:55:10,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:55:10" (1/1) ... [2022-12-14 04:55:10,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:55:10" (1/1) ... [2022-12-14 04:55:10,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:55:10" (1/1) ... [2022-12-14 04:55:10,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:55:10" (1/1) ... [2022-12-14 04:55:10,980 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:55:10" (1/1) ... [2022-12-14 04:55:10,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:55:10" (1/1) ... [2022-12-14 04:55:10,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:55:10,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:55:10,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:55:10,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:55:10,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:55:10" (1/1) ... [2022-12-14 04:55:11,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:55:11,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:55:11,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:55:11,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:55:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2022-12-14 04:55:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2022-12-14 04:55:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 04:55:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 04:55:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 04:55:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 04:55:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 04:55:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 04:55:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 04:55:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:55:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 04:55:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:55:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 04:55:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 04:55:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:55:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:55:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:55:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:55:11,244 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:55:11,246 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:55:12,925 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:55:13,419 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:55:13,419 INFO L300 CfgBuilder]: Removed 151 assume(true) statements. [2022-12-14 04:55:13,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:55:13 BoogieIcfgContainer [2022-12-14 04:55:13,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:55:13,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:55:13,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:55:13,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:55:13,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:55:10" (1/3) ... [2022-12-14 04:55:13,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fbf7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:55:13, skipping insertion in model container [2022-12-14 04:55:13,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:55:10" (2/3) ... [2022-12-14 04:55:13,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fbf7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:55:13, skipping insertion in model container [2022-12-14 04:55:13,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:55:13" (3/3) ... [2022-12-14 04:55:13,430 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test10-1.i [2022-12-14 04:55:13,446 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:55:13,446 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 04:55:13,489 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:55:13,495 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;@14a0c370, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:55:13,495 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 04:55:13,499 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) [2022-12-14 04:55:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 04:55:13,506 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:55:13,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:55:13,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:55:13,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:55:13,511 INFO L85 PathProgramCache]: Analyzing trace with hash 186147916, now seen corresponding path program 1 times [2022-12-14 04:55:13,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:55:13,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710610845] [2022-12-14 04:55:13,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:55:13,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:55:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:55:13,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:55:13,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:55:13,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710610845] [2022-12-14 04:55:13,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710610845] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:55:13,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:55:13,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:55:13,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235440037] [2022-12-14 04:55:13,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:55:13,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 04:55:13,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:55:13,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 04:55:13,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 04:55:13,719 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) [2022-12-14 04:55:15,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 04:55:15,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:55:15,147 INFO L93 Difference]: Finished difference Result 501 states and 911 transitions. [2022-12-14 04:55:15,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 04:55:15,149 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 [2022-12-14 04:55:15,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:55:15,156 INFO L225 Difference]: With dead ends: 501 [2022-12-14 04:55:15,156 INFO L226 Difference]: Without dead ends: 249 [2022-12-14 04:55:15,158 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 [2022-12-14 04:55:15,160 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 04:55:15,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 279 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 04:55:15,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-12-14 04:55:15,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-12-14 04:55:15,196 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) [2022-12-14 04:55:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 304 transitions. [2022-12-14 04:55:15,199 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 304 transitions. Word has length 12 [2022-12-14 04:55:15,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:55:15,199 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 304 transitions. [2022-12-14 04:55:15,199 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) [2022-12-14 04:55:15,199 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 304 transitions. [2022-12-14 04:55:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 04:55:15,200 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:55:15,201 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] [2022-12-14 04:55:15,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 04:55:15,201 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:55:15,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:55:15,201 INFO L85 PathProgramCache]: Analyzing trace with hash -411884708, now seen corresponding path program 1 times [2022-12-14 04:55:15,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:55:15,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196083236] [2022-12-14 04:55:15,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:55:15,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:55:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:55:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:55:15,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:55:15,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196083236] [2022-12-14 04:55:15,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196083236] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:55:15,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:55:15,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:55:15,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911757172] [2022-12-14 04:55:15,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:55:15,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:55:15,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:55:15,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:55:15,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:55:15,435 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) [2022-12-14 04:55:18,941 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 [] [2022-12-14 04:55:19,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:55:19,551 INFO L93 Difference]: Finished difference Result 425 states and 521 transitions. [2022-12-14 04:55:19,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:55:19,552 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 [2022-12-14 04:55:19,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:55:19,553 INFO L225 Difference]: With dead ends: 425 [2022-12-14 04:55:19,553 INFO L226 Difference]: Without dead ends: 276 [2022-12-14 04:55:19,554 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 [2022-12-14 04:55:19,554 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 27 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:55:19,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 766 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 04:55:19,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-12-14 04:55:19,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 251. [2022-12-14 04:55:19,563 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) [2022-12-14 04:55:19,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 306 transitions. [2022-12-14 04:55:19,565 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 306 transitions. Word has length 24 [2022-12-14 04:55:19,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:55:19,565 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 306 transitions. [2022-12-14 04:55:19,565 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) [2022-12-14 04:55:19,565 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 306 transitions. [2022-12-14 04:55:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 04:55:19,566 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:55:19,566 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] [2022-12-14 04:55:19,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 04:55:19,566 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:55:19,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:55:19,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1069160593, now seen corresponding path program 1 times [2022-12-14 04:55:19,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:55:19,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144525307] [2022-12-14 04:55:19,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:55:19,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:55:19,674 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:55:19,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1917864416] [2022-12-14 04:55:19,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:55:19,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:55:19,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:55:19,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:55:19,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 04:55:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:55:20,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 04:55:20,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:55:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:55:20,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:55:20,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:55:20,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144525307] [2022-12-14 04:55:20,343 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:55:20,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917864416] [2022-12-14 04:55:20,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917864416] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:55:20,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:55:20,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:55:20,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963213932] [2022-12-14 04:55:20,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:55:20,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:55:20,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:55:20,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:55:20,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:55:20,344 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) [2022-12-14 04:55:21,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:55:21,948 INFO L93 Difference]: Finished difference Result 614 states and 746 transitions. [2022-12-14 04:55:21,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:55:21,949 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 [2022-12-14 04:55:21,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:55:21,950 INFO L225 Difference]: With dead ends: 614 [2022-12-14 04:55:21,950 INFO L226 Difference]: Without dead ends: 366 [2022-12-14 04:55:21,951 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 [2022-12-14 04:55:21,951 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 119 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 04:55:21,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 547 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 04:55:21,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-12-14 04:55:21,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2022-12-14 04:55:21,962 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) [2022-12-14 04:55:21,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 437 transitions. [2022-12-14 04:55:21,964 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 437 transitions. Word has length 49 [2022-12-14 04:55:21,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:55:21,964 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 437 transitions. [2022-12-14 04:55:21,964 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) [2022-12-14 04:55:21,964 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 437 transitions. [2022-12-14 04:55:21,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 04:55:21,965 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:55:21,966 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] [2022-12-14 04:55:21,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:55:22,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:55:22,168 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:55:22,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:55:22,169 INFO L85 PathProgramCache]: Analyzing trace with hash -2087688826, now seen corresponding path program 1 times [2022-12-14 04:55:22,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:55:22,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166113526] [2022-12-14 04:55:22,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:55:22,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:55:22,235 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:55:22,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1713327317] [2022-12-14 04:55:22,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:55:22,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:55:22,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:55:22,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:55:22,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 04:55:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:55:22,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 04:55:22,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:55:22,711 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 [2022-12-14 04:55:22,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:55:22,739 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 [2022-12-14 04:55:22,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 04:55:22,750 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:55:22,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:55:22,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166113526] [2022-12-14 04:55:22,751 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:55:22,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713327317] [2022-12-14 04:55:22,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713327317] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:55:22,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:55:22,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:55:22,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205153621] [2022-12-14 04:55:22,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:55:22,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:55:22,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:55:22,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:55:22,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:55:22,753 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) [2022-12-14 04:55:25,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:55:25,113 INFO L93 Difference]: Finished difference Result 674 states and 815 transitions. [2022-12-14 04:55:25,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:55:25,114 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 [2022-12-14 04:55:25,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:55:25,116 INFO L225 Difference]: With dead ends: 674 [2022-12-14 04:55:25,116 INFO L226 Difference]: Without dead ends: 362 [2022-12-14 04:55:25,117 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 [2022-12-14 04:55:25,117 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 13 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:55:25,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 768 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 04:55:25,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-12-14 04:55:25,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2022-12-14 04:55:25,127 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) [2022-12-14 04:55:25,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 436 transitions. [2022-12-14 04:55:25,128 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 436 transitions. Word has length 62 [2022-12-14 04:55:25,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:55:25,129 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 436 transitions. [2022-12-14 04:55:25,129 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) [2022-12-14 04:55:25,129 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 436 transitions. [2022-12-14 04:55:25,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-14 04:55:25,130 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:55:25,130 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] [2022-12-14 04:55:25,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 04:55:25,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:55:25,332 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:55:25,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:55:25,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1562940522, now seen corresponding path program 1 times [2022-12-14 04:55:25,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:55:25,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654744743] [2022-12-14 04:55:25,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:55:25,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:55:25,469 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:55:25,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [316582522] [2022-12-14 04:55:25,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:55:25,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:55:25,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:55:25,471 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:55:25,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 04:55:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:55:26,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 2300 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 04:55:26,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:55:26,258 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 04:55:26,258 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:55:26,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:55:26,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654744743] [2022-12-14 04:55:26,258 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:55:26,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316582522] [2022-12-14 04:55:26,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316582522] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:55:26,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:55:26,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:55:26,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994321086] [2022-12-14 04:55:26,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:55:26,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:55:26,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:55:26,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:55:26,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:55:26,260 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) [2022-12-14 04:55:28,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:55:28,320 INFO L93 Difference]: Finished difference Result 820 states and 988 transitions. [2022-12-14 04:55:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:55:28,320 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 [2022-12-14 04:55:28,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:55:28,322 INFO L225 Difference]: With dead ends: 820 [2022-12-14 04:55:28,322 INFO L226 Difference]: Without dead ends: 484 [2022-12-14 04:55:28,322 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 [2022-12-14 04:55:28,323 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 110 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:55:28,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 531 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 04:55:28,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2022-12-14 04:55:28,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 429. [2022-12-14 04:55:28,334 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) [2022-12-14 04:55:28,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 514 transitions. [2022-12-14 04:55:28,336 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 514 transitions. Word has length 83 [2022-12-14 04:55:28,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:55:28,336 INFO L495 AbstractCegarLoop]: Abstraction has 429 states and 514 transitions. [2022-12-14 04:55:28,336 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) [2022-12-14 04:55:28,336 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 514 transitions. [2022-12-14 04:55:28,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 04:55:28,338 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:55:28,338 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] [2022-12-14 04:55:28,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 04:55:28,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:55:28,539 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:55:28,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:55:28,541 INFO L85 PathProgramCache]: Analyzing trace with hash -2006888177, now seen corresponding path program 1 times [2022-12-14 04:55:28,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:55:28,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689201753] [2022-12-14 04:55:28,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:55:28,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:55:28,628 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:55:28,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612552964] [2022-12-14 04:55:28,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:55:28,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:55:28,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:55:28,629 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:55:28,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 04:55:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:55:29,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 04:55:29,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:55:29,378 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 04:55:29,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:55:29,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:55:29,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689201753] [2022-12-14 04:55:29,379 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:55:29,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612552964] [2022-12-14 04:55:29,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612552964] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:55:29,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:55:29,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:55:29,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33621352] [2022-12-14 04:55:29,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:55:29,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:55:29,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:55:29,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:55:29,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:55:29,381 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) [2022-12-14 04:55:30,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:55:30,376 INFO L93 Difference]: Finished difference Result 719 states and 867 transitions. [2022-12-14 04:55:30,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:55:30,377 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 [2022-12-14 04:55:30,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:55:30,380 INFO L225 Difference]: With dead ends: 719 [2022-12-14 04:55:30,380 INFO L226 Difference]: Without dead ends: 351 [2022-12-14 04:55:30,380 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 [2022-12-14 04:55:30,381 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 438 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:55:30,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 329 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 04:55:30,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-12-14 04:55:30,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2022-12-14 04:55:30,391 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) [2022-12-14 04:55:30,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 418 transitions. [2022-12-14 04:55:30,393 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 418 transitions. Word has length 96 [2022-12-14 04:55:30,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:55:30,393 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 418 transitions. [2022-12-14 04:55:30,393 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) [2022-12-14 04:55:30,393 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 418 transitions. [2022-12-14 04:55:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 04:55:30,394 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:55:30,394 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] [2022-12-14 04:55:30,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 04:55:30,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:55:30,596 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:55:30,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:55:30,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1640234627, now seen corresponding path program 1 times [2022-12-14 04:55:30,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:55:30,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218126276] [2022-12-14 04:55:30,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:55:30,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:55:30,681 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:55:30,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [430728555] [2022-12-14 04:55:30,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:55:30,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:55:30,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:55:30,682 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:55:30,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 04:56:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:56:24,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 04:56:24,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:56:24,828 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:56:24,828 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:56:24,829 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:56:24,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218126276] [2022-12-14 04:56:24,829 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:56:24,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430728555] [2022-12-14 04:56:24,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430728555] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:56:24,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:56:24,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:56:24,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467079198] [2022-12-14 04:56:24,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:56:24,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:56:24,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:56:24,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:56:24,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:56:24,830 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) [2022-12-14 04:56:27,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:56:27,783 INFO L93 Difference]: Finished difference Result 684 states and 823 transitions. [2022-12-14 04:56:27,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:56:27,783 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 [2022-12-14 04:56:27,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:56:27,784 INFO L225 Difference]: With dead ends: 684 [2022-12-14 04:56:27,784 INFO L226 Difference]: Without dead ends: 353 [2022-12-14 04:56:27,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:56:27,785 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 1 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 04:56:27,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 812 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 04:56:27,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-12-14 04:56:27,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2022-12-14 04:56:27,795 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) [2022-12-14 04:56:27,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 423 transitions. [2022-12-14 04:56:27,796 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 423 transitions. Word has length 103 [2022-12-14 04:56:27,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:56:27,796 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 423 transitions. [2022-12-14 04:56:27,796 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) [2022-12-14 04:56:27,796 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 423 transitions. [2022-12-14 04:56:27,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-14 04:56:27,797 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:56:27,797 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] [2022-12-14 04:56:27,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 04:56:27,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:56:27,998 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:56:27,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:56:27,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1510272397, now seen corresponding path program 1 times [2022-12-14 04:56:27,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:56:27,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023095884] [2022-12-14 04:56:27,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:56:27,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:56:28,106 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:56:28,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [547814398] [2022-12-14 04:56:28,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:56:28,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:56:28,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:56:28,107 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:56:28,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa2bf4bc-5b9d-45c4-89f2-3d73afe407c5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 04:59:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:32,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 04:59:32,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:59:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 04:59:32,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:59:33,090 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 04:59:33,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:33,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023095884] [2022-12-14 04:59:33,090 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:59:33,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547814398] [2022-12-14 04:59:33,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547814398] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:59:33,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [540020328] [2022-12-14 04:59:33,106 INFO L159 IcfgInterpreter]: Started Sifa with 93 locations of interest [2022-12-14 04:59:33,106 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 04:59:33,109 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 04:59:33,113 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 04:59:33,113 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 04:59:33,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 04:59:33,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:59:33,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:59:33,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,320 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 04:59:33,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-12-14 04:59:33,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,337 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 04:59:33,337 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 [2022-12-14 04:59:33,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,375 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 [2022-12-14 04:59:33,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,405 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 04:59:33,406 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 [2022-12-14 04:59:33,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,446 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 04:59:33,446 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 [2022-12-14 04:59:33,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-12-14 04:59:33,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 04:59:33,836 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 [2022-12-14 04:59:33,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,880 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 [2022-12-14 04:59:33,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:33,929 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 [2022-12-14 04:59:33,966 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 [2022-12-14 04:59:33,992 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 [2022-12-14 04:59:34,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,047 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 [2022-12-14 04:59:34,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 04:59:34,117 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 [2022-12-14 04:59:34,155 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 [2022-12-14 04:59:34,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-12-14 04:59:34,222 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 [2022-12-14 04:59:34,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,277 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 04:59:34,277 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 [2022-12-14 04:59:34,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,334 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 04:59:34,335 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 [2022-12-14 04:59:34,489 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 [2022-12-14 04:59:34,493 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 [2022-12-14 04:59:34,498 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 [2022-12-14 04:59:34,516 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 [2022-12-14 04:59:34,522 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 [2022-12-14 04:59:34,528 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 [2022-12-14 04:59:34,543 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 [2022-12-14 04:59:34,547 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 [2022-12-14 04:59:34,552 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 [2022-12-14 04:59:34,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 04:59:34,624 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 [2022-12-14 04:59:34,644 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 [2022-12-14 04:59:34,762 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 [2022-12-14 04:59:34,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:59:34,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-12-14 04:59:34,825 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 [2022-12-14 04:59:35,912 INFO L217 Elim1Store]: Index analysis took 882 ms [2022-12-14 04:59:40,136 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-12-14 04:59:40,136 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 9519808 [2022-12-14 04:59:40,933 INFO L217 Elim1Store]: Index analysis took 699 ms [2022-12-14 04:59:41,515 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-12-14 04:59:41,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519784 treesize of output 9519788 [2022-12-14 04:59:47,695 WARN L233 SmtUtils]: Spent 6.08s 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) [2022-12-14 04:59:47,696 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 04:59:47,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-12-14 05:00:06,278 WARN L233 SmtUtils]: Spent 18.21s 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) [2022-12-14 05:00:06,279 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 05:00:06,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 4133 treesize of output 3952 [2022-12-14 05:00:07,407 INFO L217 Elim1Store]: Index analysis took 692 ms [2022-12-14 05:00:37,642 WARN L233 SmtUtils]: Spent 29.77s on a formula simplification. DAG size of input: 261 DAG size of output: 159 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 05:00:37,643 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-12-14 05:00:37,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 5638 treesize of output 15985 [2022-12-14 05:00:38,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:38,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 05:00:38,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:38,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:38,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-12-14 05:00:39,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:39,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:39,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:39,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 245 [2022-12-14 05:00:39,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:39,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:39,588 INFO L217 Elim1Store]: Index analysis took 331 ms [2022-12-14 05:00:39,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 50 [2022-12-14 05:00:39,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:39,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:39,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 05:00:39,885 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 05:00:40,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-12-14 05:00:40,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 05:00:41,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:41,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-12-14 05:00:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:41,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 05:00:41,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:41,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:41,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-12-14 05:00:42,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:42,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:42,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-12-14 05:00:47,969 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 05:00:47,988 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 05:00:50,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:00:50,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-12-14 05:00:50,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:50,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-12-14 05:00:50,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:50,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-12-14 05:02:20,756 WARN L233 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 17617 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)