./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 07:12:31,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:12:31,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:12:31,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:12:31,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:12:31,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:12:31,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:12:31,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:12:31,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:12:31,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:12:31,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:12:31,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:12:31,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:12:31,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:12:31,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:12:31,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:12:31,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:12:31,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:12:31,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:12:31,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:12:31,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:12:31,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:12:31,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:12:31,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:12:31,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:12:31,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:12:31,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:12:31,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:12:31,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:12:31,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:12:31,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:12:31,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:12:31,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:12:31,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:12:31,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:12:31,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:12:31,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:12:31,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:12:31,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:12:31,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:12:31,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:12:31,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 07:12:31,262 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:12:31,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:12:31,263 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:12:31,263 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:12:31,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:12:31,263 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:12:31,264 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:12:31,264 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:12:31,264 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:12:31,264 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:12:31,264 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:12:31,264 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:12:31,265 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:12:31,265 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:12:31,265 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:12:31,265 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:12:31,265 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:12:31,265 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:12:31,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:12:31,266 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:12:31,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:12:31,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:12:31,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:12:31,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:12:31,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:12:31,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:12:31,267 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:12:31,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:12:31,268 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:12:31,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:12:31,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:12:31,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:12:31,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:12:31,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:12:31,269 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:12:31,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:12:31,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:12:31,269 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:12:31,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:12:31,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:12:31,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:12:31,270 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_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7 [2022-12-14 07:12:31,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:12:31,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:12:31,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:12:31,462 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:12:31,462 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:12:31,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2022-12-14 07:12:34,047 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:12:34,243 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:12:34,243 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i [2022-12-14 07:12:34,253 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/data/d7701d600/be60ebf7dec34bf6a2f38f9105a2c909/FLAG8384581c2 [2022-12-14 07:12:34,263 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/data/d7701d600/be60ebf7dec34bf6a2f38f9105a2c909 [2022-12-14 07:12:34,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:12:34,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:12:34,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:12:34,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:12:34,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:12:34,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:12:34" (1/1) ... [2022-12-14 07:12:34,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8a97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:34, skipping insertion in model container [2022-12-14 07:12:34,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:12:34" (1/1) ... [2022-12-14 07:12:34,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:12:34,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:12:34,563 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_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i[33021,33034] [2022-12-14 07:12:34,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:12:34,624 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:12:34,642 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_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i[33021,33034] [2022-12-14 07:12:34,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:12:34,690 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:12:34,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:34 WrapperNode [2022-12-14 07:12:34,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:12:34,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:12:34,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:12:34,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:12:34,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:34" (1/1) ... [2022-12-14 07:12:34,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:34" (1/1) ... [2022-12-14 07:12:34,745 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-12-14 07:12:34,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:12:34,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:12:34,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:12:34,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:12:34,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:34" (1/1) ... [2022-12-14 07:12:34,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:34" (1/1) ... [2022-12-14 07:12:34,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:34" (1/1) ... [2022-12-14 07:12:34,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:34" (1/1) ... [2022-12-14 07:12:34,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:34" (1/1) ... [2022-12-14 07:12:34,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:34" (1/1) ... [2022-12-14 07:12:34,791 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:34" (1/1) ... [2022-12-14 07:12:34,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:34" (1/1) ... [2022-12-14 07:12:34,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:12:34,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:12:34,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:12:34,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:12:34,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:34" (1/1) ... [2022-12-14 07:12:34,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:12:34,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:12:34,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:12:34,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:12:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:12:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 07:12:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 07:12:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:12:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:12:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:12:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:12:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:12:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:12:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:12:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:12:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:12:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:12:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:12:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:12:35,010 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:12:35,012 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:12:35,798 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:12:36,060 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:12:36,060 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-12-14 07:12:36,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:12:36 BoogieIcfgContainer [2022-12-14 07:12:36,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:12:36,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:12:36,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:12:36,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:12:36,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:12:34" (1/3) ... [2022-12-14 07:12:36,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685514b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:12:36, skipping insertion in model container [2022-12-14 07:12:36,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:34" (2/3) ... [2022-12-14 07:12:36,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685514b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:12:36, skipping insertion in model container [2022-12-14 07:12:36,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:12:36" (3/3) ... [2022-12-14 07:12:36,071 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test1-2.i [2022-12-14 07:12:36,087 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:12:36,087 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:12:36,122 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:12:36,127 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;@779aa96d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:12:36,127 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:12:36,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 07:12:36,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 07:12:36,137 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:12:36,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:12:36,138 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:12:36,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:12:36,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-12-14 07:12:36,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:12:36,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912475410] [2022-12-14 07:12:36,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:12:36,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:12:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:12:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:12:36,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:12:36,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912475410] [2022-12-14 07:12:36,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912475410] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:12:36,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:12:36,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:12:36,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648068951] [2022-12-14 07:12:36,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:12:36,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:12:36,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:12:36,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:12:36,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:12:36,317 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:12:36,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:12:36,978 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-12-14 07:12:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:12:36,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 07:12:36,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:12:36,988 INFO L225 Difference]: With dead ends: 237 [2022-12-14 07:12:36,988 INFO L226 Difference]: Without dead ends: 128 [2022-12-14 07:12:36,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:12:36,992 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:12:36,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 07:12:37,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-12-14 07:12:37,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-12-14 07:12:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 07:12:37,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-12-14 07:12:37,022 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-12-14 07:12:37,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:12:37,022 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-12-14 07:12:37,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:12:37,023 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-12-14 07:12:37,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 07:12:37,024 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:12:37,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:12:37,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:12:37,024 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:12:37,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:12:37,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-12-14 07:12:37,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:12:37,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882413544] [2022-12-14 07:12:37,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:12:37,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:12:37,134 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:12:37,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1343116762] [2022-12-14 07:12:37,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:12:37,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:12:37,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:12:37,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:12:37,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:12:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:12:37,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:12:37,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:12:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:12:37,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:12:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:12:37,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:12:37,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882413544] [2022-12-14 07:12:37,773 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:12:37,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343116762] [2022-12-14 07:12:37,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343116762] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:12:37,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [790936065] [2022-12-14 07:12:37,790 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-12-14 07:12:37,791 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:12:37,793 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:12:37,797 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:12:37,798 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:12:37,887 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 07:12:37,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-12-14 07:12:37,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:37,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:12:37,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:37,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:12:37,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:37,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:12:37,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:37,936 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:12:37,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-12-14 07:12:37,971 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:12:37,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:12:38,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:12:38,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 07:12:38,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 07:12:38,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 07:12:38,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 07:12:38,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:12:38,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:12:38,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 07:12:38,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 07:12:38,752 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:12:52,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [790936065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:12:52,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 07:12:52,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 07:12:52,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977309921] [2022-12-14 07:12:52,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:12:52,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:12:52,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:12:52,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:12:52,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 07:12:52,877 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:12:56,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:12:58,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:12:59,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:13:00,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:13:00,315 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-12-14 07:13:00,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 07:13:00,320 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-12-14 07:13:00,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:13:00,321 INFO L225 Difference]: With dead ends: 171 [2022-12-14 07:13:00,321 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 07:13:00,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 07:13:00,322 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:13:00,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 07:13:00,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 07:13:00,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2022-12-14 07:13:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 07:13:00,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-12-14 07:13:00,332 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-12-14 07:13:00,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:13:00,332 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-12-14 07:13:00,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:13:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-12-14 07:13:00,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 07:13:00,333 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:13:00,333 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:13:00,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:13:00,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:13:00,536 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:13:00,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:13:00,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1276436578, now seen corresponding path program 1 times [2022-12-14 07:13:00,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:13:00,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821435516] [2022-12-14 07:13:00,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:13:00,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:13:00,581 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:13:00,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638744509] [2022-12-14 07:13:00,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:13:00,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:13:00,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:13:00,583 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:13:00,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:13:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:13:00,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:13:00,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:13:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 07:13:00,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:13:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 07:13:00,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:13:00,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821435516] [2022-12-14 07:13:00,959 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:13:00,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638744509] [2022-12-14 07:13:00,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638744509] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:13:00,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2107094174] [2022-12-14 07:13:00,975 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 07:13:00,975 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:13:00,976 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:13:00,976 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:13:00,976 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:13:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:13:01,046 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:13:01,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:13:01,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:13:01,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 07:13:01,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 07:13:01,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:13:01,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 07:13:01,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 07:13:01,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:13:01,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 07:13:01,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 07:13:01,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:13:01,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:13:01,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 07:13:01,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:01,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:13:01,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 07:13:01,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 07:13:01,602 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 07:13:01,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 07:13:01,658 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:13:01,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 07:13:02,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 07:13:02,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 07:13:02,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:13:02,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 07:13:02,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 07:13:02,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 07:13:02,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-12-14 07:13:02,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-12-14 07:13:02,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 07:13:02,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 07:13:02,620 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 07:13:02,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 07:13:02,678 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:13:02,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 07:13:02,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:13:02,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:13:02,764 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 07:13:02,828 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:13:24,870 WARN L233 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:13:37,295 WARN L233 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:13:48,985 WARN L233 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:13:49,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2107094174] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:13:49,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 07:13:49,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 07:13:49,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187906638] [2022-12-14 07:13:49,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:13:49,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 07:13:49,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:13:49,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 07:13:49,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 07:13:49,632 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:13:52,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:13:54,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:13:56,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:13:58,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:14:00,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:14:02,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:14:04,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:14:06,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:14:08,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:14:15,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:14:16,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:14:17,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 07:14:18,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:14:18,100 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-12-14 07:14:18,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 07:14:18,105 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-12-14 07:14:18,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:14:18,105 INFO L225 Difference]: With dead ends: 175 [2022-12-14 07:14:18,105 INFO L226 Difference]: Without dead ends: 96 [2022-12-14 07:14:18,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 46.8s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 07:14:18,106 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:14:18,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 652 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 344 Invalid, 9 Unknown, 0 Unchecked, 28.4s Time] [2022-12-14 07:14:18,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-14 07:14:18,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-12-14 07:14:18,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-14 07:14:18,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-12-14 07:14:18,121 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-12-14 07:14:18,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:14:18,121 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-12-14 07:14:18,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:14:18,122 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-12-14 07:14:18,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 07:14:18,122 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:14:18,122 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:14:18,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 07:14:18,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:14:18,324 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:14:18,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:14:18,325 INFO L85 PathProgramCache]: Analyzing trace with hash -787068528, now seen corresponding path program 1 times [2022-12-14 07:14:18,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:14:18,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455747965] [2022-12-14 07:14:18,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:14:18,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:14:18,455 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:14:18,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [489824485] [2022-12-14 07:14:18,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:14:18,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:14:18,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:14:18,456 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:14:18,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1429c1d5-0a3b-4d89-b612-a4bcb0510ea9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:14:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:14:18,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:14:18,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:14:18,760 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 07:14:18,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:14:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 07:14:18,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:14:18,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455747965] [2022-12-14 07:14:18,805 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:14:18,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489824485] [2022-12-14 07:14:18,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489824485] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:14:18,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1284638797] [2022-12-14 07:14:18,807 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 07:14:18,807 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:14:18,807 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:14:18,808 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:14:18,808 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:14:18,854 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 07:14:18,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-12-14 07:14:18,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-12-14 07:14:18,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:18,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:14:18,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-12-14 07:14:18,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:18,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:14:18,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:18,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-12-14 07:14:19,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 07:14:19,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 07:14:19,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 07:14:19,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 07:14:19,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 07:14:19,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:14:19,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:14:19,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 07:14:19,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 07:14:19,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 07:14:19,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 07:14:19,344 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 07:14:19,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 07:14:19,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 07:14:19,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 07:14:19,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:14:19,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:14:19,472 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:14:19,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-12-14 07:14:19,491 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 07:14:19,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-12-14 07:14:19,509 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:14:19,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 07:14:19,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 07:14:19,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 07:14:19,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 07:14:19,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 07:14:19,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 07:14:19,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 07:14:19,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:14:19,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 07:14:19,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 07:14:19,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 07:14:20,852 INFO L217 Elim1Store]: Index analysis took 856 ms [2022-12-14 07:14:22,536 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 07:14:22,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752658 treesize of output 10752661 [2022-12-14 07:14:23,078 INFO L217 Elim1Store]: Index analysis took 428 ms [2022-12-14 07:14:24,736 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 07:14:24,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752663 treesize of output 10752665 [2022-12-14 07:14:31,438 WARN L233 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:14:31,439 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 07:14:31,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-12-14 07:14:31,591 INFO L217 Elim1Store]: Index analysis took 108 ms [2022-12-14 07:14:54,475 WARN L233 SmtUtils]: Spent 22.88s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:14:54,475 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 07:14:54,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1834 [2022-12-14 07:14:55,163 INFO L217 Elim1Store]: Index analysis took 613 ms [2022-12-14 07:15:16,214 WARN L233 SmtUtils]: Spent 20.64s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:15:16,215 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 07:15:16,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-12-14 07:15:17,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:15:17,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 07:15:17,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:15:17,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:15:17,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:15:17,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-12-14 07:17:58,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:17:58,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 07:17:58,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:17:58,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 07:21:13,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:13,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 07:21:13,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:21:13,506 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