./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.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_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/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_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/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_909c3f45-9e25-41c6-9dc4-00f826eb837a/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 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 --- 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 07:42:40,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:42:40,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:42:40,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:42:40,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:42:40,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:42:40,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:42:40,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:42:40,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:42:40,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:42:40,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:42:40,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:42:40,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:42:40,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:42:40,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:42:40,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:42:40,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:42:40,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:42:40,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:42:40,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:42:40,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:42:40,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:42:40,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:42:40,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:42:40,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:42:40,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:42:40,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:42:40,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:42:40,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:42:40,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:42:40,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:42:40,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:42:40,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:42:40,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:42:40,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:42:40,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:42:40,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:42:40,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:42:40,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:42:40,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:42:40,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:42:40,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 07:42:40,277 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:42:40,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:42:40,277 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:42:40,278 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:42:40,289 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:42:40,289 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:42:40,289 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:42:40,289 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:42:40,290 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:42:40,290 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:42:40,290 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:42:40,290 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:42:40,290 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:42:40,291 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:42:40,291 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:42:40,291 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:42:40,291 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:42:40,291 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:42:40,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:42:40,292 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:42:40,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:42:40,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:42:40,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:42:40,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:42:40,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:42:40,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:42:40,293 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:42:40,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:42:40,294 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:42:40,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:42:40,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:42:40,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:42:40,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:42:40,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:42:40,295 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:42:40,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:42:40,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:42:40,295 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:42:40,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:42:40,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:42:40,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:42:40,295 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_909c3f45-9e25-41c6-9dc4-00f826eb837a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 [2022-12-14 07:42:40,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:42:40,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:42:40,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:42:40,506 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:42:40,506 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:42:40,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2022-12-14 07:42:43,196 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:42:43,404 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:42:43,404 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2022-12-14 07:42:43,415 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/data/d70c3ac32/38f2bf85fe664cfd8a1905a771ed3edc/FLAGd7259b5e3 [2022-12-14 07:42:43,426 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/data/d70c3ac32/38f2bf85fe664cfd8a1905a771ed3edc [2022-12-14 07:42:43,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:42:43,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:42:43,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:42:43,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:42:43,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:42:43,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:42:43" (1/1) ... [2022-12-14 07:42:43,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ccc3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:42:43, skipping insertion in model container [2022-12-14 07:42:43,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:42:43" (1/1) ... [2022-12-14 07:42:43,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:42:43,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:42:43,788 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_909c3f45-9e25-41c6-9dc4-00f826eb837a/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[33021,33034] [2022-12-14 07:42:43,902 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:42:43,904 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_909c3f45-9e25-41c6-9dc4-00f826eb837a/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[49681,49694] [2022-12-14 07:42:43,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:42:43,937 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:42:43,966 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_909c3f45-9e25-41c6-9dc4-00f826eb837a/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[33021,33034] [2022-12-14 07:42:44,036 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:42:44,038 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_909c3f45-9e25-41c6-9dc4-00f826eb837a/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[49681,49694] [2022-12-14 07:42:44,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:42:44,081 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:42:44,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:42:44 WrapperNode [2022-12-14 07:42:44,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:42:44,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:42:44,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:42:44,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:42:44,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:42:44" (1/1) ... [2022-12-14 07:42:44,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:42:44" (1/1) ... [2022-12-14 07:42:44,172 INFO L138 Inliner]: procedures = 177, calls = 487, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1686 [2022-12-14 07:42:44,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:42:44,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:42:44,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:42:44,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:42:44,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:42:44" (1/1) ... [2022-12-14 07:42:44,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:42:44" (1/1) ... [2022-12-14 07:42:44,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:42:44" (1/1) ... [2022-12-14 07:42:44,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:42:44" (1/1) ... [2022-12-14 07:42:44,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:42:44" (1/1) ... [2022-12-14 07:42:44,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:42:44" (1/1) ... [2022-12-14 07:42:44,261 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:42:44" (1/1) ... [2022-12-14 07:42:44,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:42:44" (1/1) ... [2022-12-14 07:42:44,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:42:44,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:42:44,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:42:44,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:42:44,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:42:44" (1/1) ... [2022-12-14 07:42:44,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:42:44,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:42:44,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:42:44,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:42:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:42:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 07:42:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 07:42:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:42:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:42:44,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:42:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:42:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:42:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:42:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:42:44,348 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 07:42:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:42:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:42:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:42:44,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:42:44,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:42:44,565 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:42:44,566 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:42:45,878 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:42:46,371 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:42:46,372 INFO L300 CfgBuilder]: Removed 100 assume(true) statements. [2022-12-14 07:42:46,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:42:46 BoogieIcfgContainer [2022-12-14 07:42:46,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:42:46,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:42:46,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:42:46,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:42:46,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:42:43" (1/3) ... [2022-12-14 07:42:46,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bcbadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:42:46, skipping insertion in model container [2022-12-14 07:42:46,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:42:44" (2/3) ... [2022-12-14 07:42:46,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bcbadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:42:46, skipping insertion in model container [2022-12-14 07:42:46,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:42:46" (3/3) ... [2022-12-14 07:42:46,383 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-3.i [2022-12-14 07:42:46,401 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:42:46,401 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 07:42:46,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:42:46,457 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;@6f564cec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:42:46,457 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 07:42:46,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 161 states have (on average 1.813664596273292) internal successors, (292), 168 states have internal predecessors, (292), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 07:42:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 07:42:46,468 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:42:46,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 07:42:46,469 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:42:46,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:42:46,472 INFO L85 PathProgramCache]: Analyzing trace with hash 274883441, now seen corresponding path program 1 times [2022-12-14 07:42:46,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:42:46,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955820202] [2022-12-14 07:42:46,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:42:46,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:42:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:42:46,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:42:46,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955820202] [2022-12-14 07:42:46,591 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-14 07:42:46,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482937725] [2022-12-14 07:42:46,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:42:46,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:42:46,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:42:46,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:42:46,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:42:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:42:46,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 07:42:46,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:42:46,801 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 07:42:46,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:42:46,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482937725] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:42:46,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:42:46,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:42:46,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179070616] [2022-12-14 07:42:46,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:42:46,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 07:42:46,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:42:46,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 07:42:46,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:42:46,837 INFO L87 Difference]: Start difference. First operand has 177 states, 161 states have (on average 1.813664596273292) internal successors, (292), 168 states have internal predecessors, (292), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:42:47,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:42:47,635 INFO L93 Difference]: Finished difference Result 353 states and 632 transitions. [2022-12-14 07:42:47,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 07:42:47,641 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-12-14 07:42:47,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:42:47,655 INFO L225 Difference]: With dead ends: 353 [2022-12-14 07:42:47,655 INFO L226 Difference]: Without dead ends: 150 [2022-12-14 07:42:47,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:42:47,663 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:42:47,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 07:42:47,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-12-14 07:42:47,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-12-14 07:42:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 135 states have (on average 1.1925925925925926) internal successors, (161), 141 states have internal predecessors, (161), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 07:42:47,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 183 transitions. [2022-12-14 07:42:47,712 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 183 transitions. Word has length 6 [2022-12-14 07:42:47,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:42:47,713 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 183 transitions. [2022-12-14 07:42:47,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:42:47,713 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2022-12-14 07:42:47,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 07:42:47,715 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:42:47,715 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:42:47,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:42:47,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 07:42:47,917 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:42:47,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:42:47,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1671934868, now seen corresponding path program 1 times [2022-12-14 07:42:47,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:42:47,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517410685] [2022-12-14 07:42:47,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:42:47,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:42:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:42:47,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:42:47,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517410685] [2022-12-14 07:42:47,982 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-14 07:42:47,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520267620] [2022-12-14 07:42:47,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:42:47,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:42:47,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:42:47,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:42:47,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:42:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:42:48,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 07:42:48,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:42:48,196 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 07:42:48,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:42:48,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520267620] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:42:48,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:42:48,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:42:48,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366549311] [2022-12-14 07:42:48,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:42:48,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:42:48,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:42:48,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:42:48,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:42:48,199 INFO L87 Difference]: Start difference. First operand 150 states and 183 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:42:50,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:42:50,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:42:50,407 INFO L93 Difference]: Finished difference Result 342 states and 425 transitions. [2022-12-14 07:42:50,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:42:50,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-12-14 07:42:50,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:42:50,415 INFO L225 Difference]: With dead ends: 342 [2022-12-14 07:42:50,415 INFO L226 Difference]: Without dead ends: 290 [2022-12-14 07:42:50,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:42:50,416 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 149 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:42:50,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 335 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-14 07:42:50,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-12-14 07:42:50,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2022-12-14 07:42:50,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 07:42:50,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2022-12-14 07:42:50,427 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 17 [2022-12-14 07:42:50,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:42:50,427 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2022-12-14 07:42:50,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:42:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2022-12-14 07:42:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 07:42:50,428 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:42:50,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:42:50,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:42:50,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-14 07:42:50,631 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:42:50,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:42:50,632 INFO L85 PathProgramCache]: Analyzing trace with hash 700872651, now seen corresponding path program 1 times [2022-12-14 07:42:50,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:42:50,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348365489] [2022-12-14 07:42:50,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:42:50,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:42:50,821 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:42:50,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1057374826] [2022-12-14 07:42:50,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:42:50,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:42:50,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:42:50,823 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:42:50,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:42:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:42:51,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 3112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:42:51,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:42:51,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:42:51,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:42:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:42:51,831 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:42:51,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348365489] [2022-12-14 07:42:51,831 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:42:51,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057374826] [2022-12-14 07:42:51,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057374826] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:42:51,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1702915419] [2022-12-14 07:42:51,851 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-12-14 07:42:51,851 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:42:51,855 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:42:51,860 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:42:51,861 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:42:51,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:51,969 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 07:42:51,970 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 07:42:51,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:51,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 07:42:52,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,019 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 07:42:52,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:42:52,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,040 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:42:52,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 07:42:52,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,082 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:42:52,082 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 07:42:52,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,101 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 07:42:52,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-12-14 07:42:52,478 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 07:42:52,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:42:52,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 07:42:52,593 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 07:42:52,908 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 07:42:52,922 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 07:42:52,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:42:52,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:42:52,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 07:42:53,033 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:42:59,269 WARN L233 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:43:06,672 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:43:06,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1702915419] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:43:06,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 07:43:06,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 07:43:06,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217894750] [2022-12-14 07:43:06,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:43:06,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:43:06,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:43:06,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:43:06,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=69, Unknown=1, NotChecked=0, Total=132 [2022-12-14 07:43:06,677 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:43:08,880 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 [0] [2022-12-14 07:43:10,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:43:17,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:43:18,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:43:18,077 INFO L93 Difference]: Finished difference Result 310 states and 378 transitions. [2022-12-14 07:43:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 07:43:18,078 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-12-14 07:43:18,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:43:18,079 INFO L225 Difference]: With dead ends: 310 [2022-12-14 07:43:18,079 INFO L226 Difference]: Without dead ends: 161 [2022-12-14 07:43:18,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=62, Invalid=69, Unknown=1, NotChecked=0, Total=132 [2022-12-14 07:43:18,081 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:43:18,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 602 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 316 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time] [2022-12-14 07:43:18,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-12-14 07:43:18,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-12-14 07:43:18,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 07:43:18,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2022-12-14 07:43:18,105 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2022-12-14 07:43:18,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:43:18,105 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2022-12-14 07:43:18,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:43:18,106 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2022-12-14 07:43:18,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 07:43:18,107 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:43:18,107 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:43:18,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 07:43:18,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:43:18,308 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:43:18,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:43:18,310 INFO L85 PathProgramCache]: Analyzing trace with hash -385397690, now seen corresponding path program 1 times [2022-12-14 07:43:18,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:43:18,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149951912] [2022-12-14 07:43:18,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:43:18,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:43:18,456 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:43:18,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [940452111] [2022-12-14 07:43:18,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:43:18,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:43:18,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:43:18,458 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:43:18,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 07:43:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:43:19,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 2249 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:43:19,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:43:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 07:43:19,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:43:19,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 07:43:19,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:43:19,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149951912] [2022-12-14 07:43:19,386 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:43:19,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940452111] [2022-12-14 07:43:19,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940452111] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:43:19,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [636318217] [2022-12-14 07:43:19,390 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-12-14 07:43:19,390 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:43:19,391 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:43:19,391 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:43:19,391 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:43:19,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,505 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 07:43:19,506 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 07:43:19,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 07:43:19,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,554 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:43:19,554 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 07:43:19,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,567 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 07:43:19,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,599 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:43:19,599 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 07:43:19,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:43:19,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 07:43:19,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,625 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 07:43:19,838 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 07:43:19,850 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 07:43:19,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:43:19,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:19,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 07:43:19,978 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 07:43:19,991 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 07:43:20,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:43:20,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:43:20,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:43:20,165 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 07:43:20,183 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 07:43:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,228 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 07:43:20,228 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 07:43:20,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,282 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:43:20,283 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 07:43:20,792 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 07:43:20,805 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 07:43:20,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:43:20,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 07:43:20,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-12-14 07:43:20,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:20,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-12-14 07:43:21,018 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 07:43:21,030 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 07:43:21,071 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 07:43:21,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:43:21,137 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 07:43:21,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,198 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:43:21,198 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 07:43:21,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:43:21,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2022-12-14 07:43:21,454 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 253 for LOIs [2022-12-14 07:43:21,526 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:43:27,596 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 235 DAG size of output: 220 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:43:34,934 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 251 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:43:44,853 WARN L233 SmtUtils]: Spent 5.81s on a formula simplification. DAG size of input: 262 DAG size of output: 248 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:43:58,820 WARN L233 SmtUtils]: Spent 7.83s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:44:11,072 WARN L233 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 284 DAG size of output: 262 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:44:11,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [636318217] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:44:11,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 07:44:11,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 07:44:11,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530444084] [2022-12-14 07:44:11,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:44:11,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 07:44:11,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:44:11,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 07:44:11,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 07:44:11,621 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:44:14,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:44:16,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:44:18,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:44:20,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:44:22,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:44:24,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:44:26,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:44:28,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:44:30,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:44:35,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:44:40,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:44:40,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:44:40,976 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2022-12-14 07:44:40,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 07:44:40,977 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2022-12-14 07:44:40,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:44:40,978 INFO L225 Difference]: With dead ends: 315 [2022-12-14 07:44:40,978 INFO L226 Difference]: Without dead ends: 166 [2022-12-14 07:44:40,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 50.1s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 07:44:40,979 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:44:40,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 611 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 378 Invalid, 9 Unknown, 0 Unchecked, 29.3s Time] [2022-12-14 07:44:40,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-12-14 07:44:40,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-12-14 07:44:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 07:44:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2022-12-14 07:44:40,994 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2022-12-14 07:44:40,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:44:40,994 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2022-12-14 07:44:40,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:44:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2022-12-14 07:44:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 07:44:40,995 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:44:40,995 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:44:41,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 07:44:41,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:44:41,197 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:44:41,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:44:41,199 INFO L85 PathProgramCache]: Analyzing trace with hash -102741374, now seen corresponding path program 1 times [2022-12-14 07:44:41,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:44:41,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097246687] [2022-12-14 07:44:41,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:44:41,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:44:41,338 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:44:41,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [192134938] [2022-12-14 07:44:41,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:44:41,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:44:41,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:44:41,339 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:44:41,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909c3f45-9e25-41c6-9dc4-00f826eb837a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 07:44:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:44:42,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 2264 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:44:42,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:44:42,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 07:44:42,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:44:42,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 07:44:42,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:44:42,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097246687] [2022-12-14 07:44:42,172 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:44:42,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192134938] [2022-12-14 07:44:42,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192134938] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:44:42,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1027452544] [2022-12-14 07:44:42,175 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-12-14 07:44:42,175 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:44:42,175 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:44:42,175 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:44:42,175 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:44:42,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,247 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 07:44:42,247 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 07:44:42,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 07:44:42,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,274 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 07:44:42,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,305 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:44:42,305 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 07:44:42,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,338 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:44:42,338 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 07:44:42,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:44:42,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 07:44:42,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,362 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 07:44:42,569 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 07:44:42,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:44:42,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 07:44:42,666 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 07:44:42,687 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 07:44:42,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:44:42,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:44:42,788 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 07:44:42,825 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 07:44:42,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,882 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 07:44:42,882 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 07:44:42,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,945 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:44:42,945 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 07:44:42,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:42,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:44:43,019 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 07:44:43,122 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 07:44:43,126 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 07:44:43,131 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 07:44:43,148 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 07:44:43,155 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 07:44:43,162 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 07:44:43,183 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 07:44:43,187 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 07:44:43,192 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 07:44:43,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 07:44:43,271 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 07:44:43,288 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 07:44:43,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:44:43,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 07:44:43,446 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 07:44:43,457 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 07:44:44,512 INFO L217 Elim1Store]: Index analysis took 854 ms [2022-12-14 07:44:48,635 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-12-14 07:44:48,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 10752723 treesize of output 10752742 [2022-12-14 07:44:50,066 INFO L217 Elim1Store]: Index analysis took 1311 ms [2022-12-14 07:44:50,696 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-12-14 07:44:50,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 10752718 treesize of output 10752722 [2022-12-14 07:47:52,083 WARN L233 SmtUtils]: Spent 3.02m on a formula simplification. DAG size of input: 198 DAG size of output: 104 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:47:52,084 INFO L321 Elim1Store]: treesize reduction 1636, result has 23.4 percent of original size [2022-12-14 07:47:52,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 7904 treesize of output 5832 [2022-12-14 07:47:52,554 INFO L217 Elim1Store]: Index analysis took 270 ms [2022-12-14 07:49:47,262 WARN L233 SmtUtils]: Spent 1.91m 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 07:49:47,262 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 07:49:47,263 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 7135 treesize of output 5975 [2022-12-14 07:49:51,238 INFO L217 Elim1Store]: Index analysis took 2613 ms