./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:37:45,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:37:45,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:37:45,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:37:45,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:37:45,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:37:45,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:37:45,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:37:45,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:37:45,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:37:45,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:37:45,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:37:45,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:37:45,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:37:45,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:37:45,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:37:45,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:37:45,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:37:45,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:37:45,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:37:45,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:37:45,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:37:45,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:37:45,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:37:45,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:37:45,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:37:45,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:37:45,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:37:45,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:37:45,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:37:45,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:37:45,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:37:45,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:37:45,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:37:45,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:37:45,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:37:45,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:37:45,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:37:45,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:37:45,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:37:45,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:37:45,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:37:45,494 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:37:45,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:37:45,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:37:45,495 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:37:45,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:37:45,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:37:45,496 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:37:45,496 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:37:45,496 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:37:45,497 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:37:45,497 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:37:45,497 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:37:45,497 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:37:45,498 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:37:45,498 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:37:45,498 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:37:45,498 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:37:45,499 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:37:45,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:37:45,500 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:37:45,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:37:45,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:37:45,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:37:45,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:37:45,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:37:45,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:37:45,501 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:37:45,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:37:45,502 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:37:45,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:37:45,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:37:45,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:37:45,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:37:45,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:37:45,504 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:37:45,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:37:45,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:37:45,504 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:37:45,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:37:45,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:37:45,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:37:45,505 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_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c0dee81707c82be8d9645ea65556f17c2a25b7864c310b805b07f657c0bc23 [2022-11-26 00:37:45,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:37:45,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:37:45,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:37:45,854 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:37:45,854 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:37:45,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2022-11-26 00:37:48,815 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:37:49,141 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:37:49,142 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i [2022-11-26 00:37:49,156 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/data/93a9e2f87/2592b09283714adc85629af979511b7c/FLAGaa40ddc9d [2022-11-26 00:37:49,171 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/data/93a9e2f87/2592b09283714adc85629af979511b7c [2022-11-26 00:37:49,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:37:49,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:37:49,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:37:49,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:37:49,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:37:49,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:37:49" (1/1) ... [2022-11-26 00:37:49,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cefb825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:49, skipping insertion in model container [2022-11-26 00:37:49,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:37:49" (1/1) ... [2022-11-26 00:37:49,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:37:49,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:37:49,810 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_385a0403-0b7e-4211-a0d8-1f36ed47e232/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[33021,33034] [2022-11-26 00:37:49,964 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:37:49,973 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_385a0403-0b7e-4211-a0d8-1f36ed47e232/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44124,44137] [2022-11-26 00:37:49,974 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_385a0403-0b7e-4211-a0d8-1f36ed47e232/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44245,44258] [2022-11-26 00:37:49,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:37:49,990 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:37:50,018 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_385a0403-0b7e-4211-a0d8-1f36ed47e232/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[33021,33034] [2022-11-26 00:37:50,065 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:37:50,072 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_385a0403-0b7e-4211-a0d8-1f36ed47e232/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44124,44137] [2022-11-26 00:37:50,073 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_385a0403-0b7e-4211-a0d8-1f36ed47e232/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-1.i[44245,44258] [2022-11-26 00:37:50,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:37:50,151 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:37:50,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:50 WrapperNode [2022-11-26 00:37:50,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:37:50,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:37:50,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:37:50,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:37:50,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:50" (1/1) ... [2022-11-26 00:37:50,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:50" (1/1) ... [2022-11-26 00:37:50,268 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 992 [2022-11-26 00:37:50,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:37:50,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:37:50,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:37:50,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:37:50,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:50" (1/1) ... [2022-11-26 00:37:50,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:50" (1/1) ... [2022-11-26 00:37:50,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:50" (1/1) ... [2022-11-26 00:37:50,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:50" (1/1) ... [2022-11-26 00:37:50,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:50" (1/1) ... [2022-11-26 00:37:50,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:50" (1/1) ... [2022-11-26 00:37:50,348 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:50" (1/1) ... [2022-11-26 00:37:50,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:50" (1/1) ... [2022-11-26 00:37:50,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:37:50,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:37:50,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:37:50,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:37:50,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:50" (1/1) ... [2022-11-26 00:37:50,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:37:50,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:37:50,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:37:50,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:37:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:37:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:37:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:37:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:37:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:37:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:37:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:37:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:37:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:37:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:37:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:37:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:37:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:37:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:37:50,724 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:37:50,726 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:37:52,393 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:37:52,797 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:37:52,798 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-26 00:37:52,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:37:52 BoogieIcfgContainer [2022-11-26 00:37:52,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:37:52,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:37:52,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:37:52,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:37:52,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:37:49" (1/3) ... [2022-11-26 00:37:52,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb0bbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:37:52, skipping insertion in model container [2022-11-26 00:37:52,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:37:50" (2/3) ... [2022-11-26 00:37:52,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb0bbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:37:52, skipping insertion in model container [2022-11-26 00:37:52,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:37:52" (3/3) ... [2022-11-26 00:37:52,814 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test7-1.i [2022-11-26 00:37:52,835 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:37:52,835 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:37:52,894 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:37:52,900 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;@427364ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:37:52,901 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:37:52,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:37:52,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:37:52,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:37:52,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:37:52,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:37:52,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:37:52,919 INFO L85 PathProgramCache]: Analyzing trace with hash -218436337, now seen corresponding path program 1 times [2022-11-26 00:37:52,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:37:52,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971220892] [2022-11-26 00:37:52,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:52,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:37:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:53,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:37:53,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:37:53,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971220892] [2022-11-26 00:37:53,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971220892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:37:53,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:37:53,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:37:53,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405907260] [2022-11-26 00:37:53,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:37:53,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:37:53,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:37:53,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:37:53,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:37:53,133 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:37:53,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:37:53,674 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2022-11-26 00:37:53,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:37:53,681 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-11-26 00:37:53,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:37:53,690 INFO L225 Difference]: With dead ends: 215 [2022-11-26 00:37:53,690 INFO L226 Difference]: Without dead ends: 107 [2022-11-26 00:37:53,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:37:53,704 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:37:53,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:37:53,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-26 00:37:53,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-26 00:37:53,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:37:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2022-11-26 00:37:53,772 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2022-11-26 00:37:53,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:37:53,772 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2022-11-26 00:37:53,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:37:53,773 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2022-11-26 00:37:53,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:37:53,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:37:53,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:37:53,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:37:53,774 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:37:53,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:37:53,775 INFO L85 PathProgramCache]: Analyzing trace with hash -408896126, now seen corresponding path program 1 times [2022-11-26 00:37:53,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:37:53,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300279240] [2022-11-26 00:37:53,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:53,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:37:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:53,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:37:53,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:37:53,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300279240] [2022-11-26 00:37:53,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300279240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:37:53,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:37:53,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:37:53,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799390066] [2022-11-26 00:37:53,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:37:53,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:37:53,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:37:53,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:37:53,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:37:53,988 INFO L87 Difference]: Start difference. First operand 107 states and 125 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:37:55,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:37:56,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:37:56,549 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2022-11-26 00:37:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:37:56,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2022-11-26 00:37:56,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:37:56,556 INFO L225 Difference]: With dead ends: 219 [2022-11-26 00:37:56,556 INFO L226 Difference]: Without dead ends: 165 [2022-11-26 00:37:56,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:37:56,558 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:37:56,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 281 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 00:37:56,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-26 00:37:56,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2022-11-26 00:37:56,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:37:56,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2022-11-26 00:37:56,569 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2022-11-26 00:37:56,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:37:56,570 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2022-11-26 00:37:56,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:37:56,570 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2022-11-26 00:37:56,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-26 00:37:56,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:37:56,572 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:37:56,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:37:56,572 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:37:56,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:37:56,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1957629248, now seen corresponding path program 1 times [2022-11-26 00:37:56,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:37:56,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478242298] [2022-11-26 00:37:56,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:56,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:37:56,744 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:37:56,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [51356086] [2022-11-26 00:37:56,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:56,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:56,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:37:56,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:37:56,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:37:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:37:57,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:37:57,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:37:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:37:57,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:37:57,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:37:57,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478242298] [2022-11-26 00:37:57,614 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:37:57,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51356086] [2022-11-26 00:37:57,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51356086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:37:57,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:37:57,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:37:57,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79857083] [2022-11-26 00:37:57,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:37:57,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:37:57,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:37:57,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:37:57,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:37:57,617 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:37:59,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:37:59,196 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2022-11-26 00:37:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:37:59,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 33 [2022-11-26 00:37:59,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:37:59,203 INFO L225 Difference]: With dead ends: 265 [2022-11-26 00:37:59,203 INFO L226 Difference]: Without dead ends: 159 [2022-11-26 00:37:59,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:37:59,205 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:37:59,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 206 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:37:59,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-26 00:37:59,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2022-11-26 00:37:59,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:37:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2022-11-26 00:37:59,221 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2022-11-26 00:37:59,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:37:59,221 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2022-11-26 00:37:59,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:37:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2022-11-26 00:37:59,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-26 00:37:59,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:37:59,223 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:37:59,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:37:59,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:59,435 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:37:59,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:37:59,435 INFO L85 PathProgramCache]: Analyzing trace with hash 35155344, now seen corresponding path program 1 times [2022-11-26 00:37:59,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:37:59,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189933111] [2022-11-26 00:37:59,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:59,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:37:59,576 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:37:59,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [500214102] [2022-11-26 00:37:59,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:37:59,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:37:59,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:37:59,588 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:37:59,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:38:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:38:00,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:38:00,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:38:00,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:38:00,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-26 00:38:00,244 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:38:00,244 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:38:00,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:38:00,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189933111] [2022-11-26 00:38:00,246 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:38:00,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500214102] [2022-11-26 00:38:00,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500214102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:38:00,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:38:00,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:38:00,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496848517] [2022-11-26 00:38:00,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:38:00,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:38:00,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:38:00,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:38:00,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:38:00,250 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:38:02,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:38:02,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:38:02,640 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2022-11-26 00:38:02,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:38:02,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-11-26 00:38:02,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:38:02,648 INFO L225 Difference]: With dead ends: 201 [2022-11-26 00:38:02,648 INFO L226 Difference]: Without dead ends: 197 [2022-11-26 00:38:02,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:38:02,650 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 47 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:38:02,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 283 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:38:02,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-11-26 00:38:02,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2022-11-26 00:38:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:38:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2022-11-26 00:38:02,678 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2022-11-26 00:38:02,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:38:02,680 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2022-11-26 00:38:02,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:38:02,682 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2022-11-26 00:38:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-26 00:38:02,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:38:02,689 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:38:02,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:38:02,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:38:02,890 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:38:02,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:38:02,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1412611692, now seen corresponding path program 1 times [2022-11-26 00:38:02,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:38:02,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466891027] [2022-11-26 00:38:02,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:38:02,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:38:02,968 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:38:02,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1928327844] [2022-11-26 00:38:02,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:38:02,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:38:02,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:38:02,970 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:38:03,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:38:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:38:03,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:38:03,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:38:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:38:03,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:38:03,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:38:03,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466891027] [2022-11-26 00:38:03,730 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:38:03,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928327844] [2022-11-26 00:38:03,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928327844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:38:03,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:38:03,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:38:03,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317132459] [2022-11-26 00:38:03,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:38:03,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:38:03,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:38:03,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:38:03,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:38:03,733 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:38:04,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:38:04,518 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2022-11-26 00:38:04,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:38:04,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-26 00:38:04,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:38:04,525 INFO L225 Difference]: With dead ends: 344 [2022-11-26 00:38:04,525 INFO L226 Difference]: Without dead ends: 206 [2022-11-26 00:38:04,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:38:04,526 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 229 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:38:04,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 169 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:38:04,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-11-26 00:38:04,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2022-11-26 00:38:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:38:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2022-11-26 00:38:04,555 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2022-11-26 00:38:04,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:38:04,556 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2022-11-26 00:38:04,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:38:04,557 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2022-11-26 00:38:04,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-26 00:38:04,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:38:04,561 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:38:04,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:38:04,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:38:04,771 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:38:04,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:38:04,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1485013667, now seen corresponding path program 1 times [2022-11-26 00:38:04,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:38:04,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455500442] [2022-11-26 00:38:04,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:38:04,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:38:04,865 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:38:04,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1196146691] [2022-11-26 00:38:04,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:38:04,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:38:04,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:38:04,879 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:38:04,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:38:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:38:19,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:38:19,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:38:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:38:19,483 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:38:19,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:38:19,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455500442] [2022-11-26 00:38:19,485 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:38:19,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196146691] [2022-11-26 00:38:19,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196146691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:38:19,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:38:19,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:38:19,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958755317] [2022-11-26 00:38:19,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:38:19,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:38:19,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:38:19,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:38:19,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:38:19,493 INFO L87 Difference]: Start difference. First operand 199 states and 232 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:38:21,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:38:21,128 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2022-11-26 00:38:21,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:38:21,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-11-26 00:38:21,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:38:21,136 INFO L225 Difference]: With dead ends: 381 [2022-11-26 00:38:21,136 INFO L226 Difference]: Without dead ends: 201 [2022-11-26 00:38:21,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:38:21,138 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:38:21,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 320 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:38:21,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-26 00:38:21,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2022-11-26 00:38:21,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-26 00:38:21,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2022-11-26 00:38:21,159 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2022-11-26 00:38:21,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:38:21,160 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2022-11-26 00:38:21,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:38:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2022-11-26 00:38:21,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:38:21,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:38:21,162 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:38:21,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:38:21,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:38:21,379 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:38:21,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:38:21,379 INFO L85 PathProgramCache]: Analyzing trace with hash -256446477, now seen corresponding path program 1 times [2022-11-26 00:38:21,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:38:21,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596496358] [2022-11-26 00:38:21,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:38:21,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:38:21,473 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:38:21,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [859961483] [2022-11-26 00:38:21,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:38:21,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:38:21,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:38:21,478 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:38:21,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385a0403-0b7e-4211-a0d8-1f36ed47e232/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:38:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:38:42,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-26 00:38:42,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:38:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:38:42,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:38:43,006 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:38:43,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:38:43,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596496358] [2022-11-26 00:38:43,007 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:38:43,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859961483] [2022-11-26 00:38:43,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859961483] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:38:43,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1019947175] [2022-11-26 00:38:43,030 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-26 00:38:43,030 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:38:43,034 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:38:43,040 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:38:43,040 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:38:43,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:38:43,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:38:43,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,182 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-26 00:38:43,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-26 00:38:43,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,210 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:38:43,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-26 00:38:43,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-26 00:38:43,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:38:43,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,340 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:38:43,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2022-11-26 00:38:43,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-26 00:38:43,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,410 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:38:43,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-26 00:38:43,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,467 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:38:43,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 00:38:43,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:43,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-26 00:38:44,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897007 treesize of output 5376300 [2022-11-26 00:38:44,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:38:44,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:38:44,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:38:44,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:38:44,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:38:44,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:38:44,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:38:44,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:38:44,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:38:44,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,585 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:38:44,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-26 00:38:44,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:44,682 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:38:44,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-26 00:38:44,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:38:44,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:38:44,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:38:44,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-26 00:38:44,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:38:44,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-26 00:38:44,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:38:44,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-26 00:38:44,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-26 00:38:45,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:38:45,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 00:38:45,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:38:45,312 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 46 treesize of output 16 [2022-11-26 00:38:45,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:38:45,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:45,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:38:46,524 INFO L217 Elim1Store]: Index analysis took 808 ms [2022-11-26 00:38:52,090 WARN L233 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:38:52,091 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-26 00:38:52,092 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 9519771 treesize of output 9519790 [2022-11-26 00:38:53,975 INFO L217 Elim1Store]: Index analysis took 1607 ms [2022-11-26 00:38:54,739 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-26 00:38:54,740 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 9519766 treesize of output 9519770 [2022-11-26 00:39:03,930 WARN L233 SmtUtils]: Spent 9.03s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:39:03,931 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:39:03,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-26 00:39:04,232 INFO L217 Elim1Store]: Index analysis took 112 ms [2022-11-26 00:39:32,167 WARN L233 SmtUtils]: Spent 27.93s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:39:32,167 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:39:32,168 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 2005 treesize of output 1834 [2022-11-26 00:39:34,112 INFO L217 Elim1Store]: Index analysis took 1124 ms [2022-11-26 00:40:14,778 WARN L233 SmtUtils]: Spent 40.01s on a formula simplification. DAG size of input: 261 DAG size of output: 159 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:40:14,778 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-11-26 00:40:14,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 5638 treesize of output 15985 [2022-11-26 00:40:16,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:16,387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-26 00:40:16,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:16,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:16,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:16,637 INFO L217 Elim1Store]: Index analysis took 111 ms [2022-11-26 00:40:16,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-26 00:40:18,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:18,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-26 00:40:18,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:18,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-26 00:40:20,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:20,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-26 00:40:20,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:20,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-26 00:40:21,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:21,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:21,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:21,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-11-26 00:40:25,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:25,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:25,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:25,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-26 00:40:29,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:29,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-26 00:40:29,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:29,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-26 00:40:29,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:29,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:29,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-26 00:40:30,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:30,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-26 00:40:30,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:30,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 00:40:30,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:30,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 00:40:30,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:40:30,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 00:40:46,424 INFO L321 Elim1Store]: treesize reduction 669, result has 0.1 percent of original size [2022-11-26 00:40:46,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 21 new quantified variables, introduced 39 case distinctions, treesize of input 2242 treesize of output 20305 [2022-11-26 00:40:46,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2022-11-26 00:40:46,910 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:40:47,027 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:40:48,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:48,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 59 [2022-11-26 00:40:48,969 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:40:49,108 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:40:49,201 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:40:50,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:40:50,492 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:40:50,494 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:40:54,511 INFO L217 Elim1Store]: Index analysis took 1151 ms [2022-11-26 00:41:04,782 WARN L233 SmtUtils]: Spent 10.25s on a formula simplification. DAG size of input: 157 DAG size of output: 3 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:41:04,783 INFO L321 Elim1Store]: treesize reduction 8395, result has 0.0 percent of original size [2022-11-26 00:41:04,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 21 new quantified variables, introduced 39 case distinctions, treesize of input 33989 treesize of output 333119 [2022-11-26 00:41:06,131 INFO L217 Elim1Store]: Index analysis took 900 ms [2022-11-26 00:41:06,735 INFO L321 Elim1Store]: treesize reduction 4, result has 98.9 percent of original size [2022-11-26 00:41:06,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 738 treesize of output 914 [2022-11-26 00:41:07,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 179 [2022-11-26 00:41:07,617 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:41:09,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:41:10,477 INFO L217 Elim1Store]: Index analysis took 1290 ms [2022-11-26 00:41:16,558 WARN L233 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 37 DAG size of output: 33 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:41:16,559 INFO L321 Elim1Store]: treesize reduction 4, result has 97.8 percent of original size [2022-11-26 00:41:16,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1265 treesize of output 909 [2022-11-26 00:41:19,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:19,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:21,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:33,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:34,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:34,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:43,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:43,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:47,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:49,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:49,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:51,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:55,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:55,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:55,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:56,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:56,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:56,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:56,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:56,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:56,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:57,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:57,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:57,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:41:57,627 INFO L217 Elim1Store]: Index analysis took 38147 ms [2022-11-26 00:41:57,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 53 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 178801 treesize of output 4635574