./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/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_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/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_00c03aa0-c23a-4725-a7f7-509d19d0e161/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 2c8bfc4504f1d1d767281638f115bf6ca8337de4769381189ae1d6a9b301298b --- 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 12:46:12,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:46:12,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:46:12,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:46:12,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:46:12,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:46:12,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:46:12,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:46:12,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:46:12,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:46:12,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:46:12,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:46:12,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:46:12,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:46:12,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:46:12,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:46:12,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:46:12,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:46:12,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:46:12,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:46:12,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:46:12,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:46:12,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:46:12,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:46:12,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:46:12,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:46:12,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:46:12,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:46:12,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:46:12,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:46:12,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:46:12,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:46:12,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:46:12,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:46:12,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:46:12,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:46:12,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:46:12,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:46:12,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:46:12,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:46:12,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:46:12,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 12:46:12,434 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:46:12,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:46:12,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:46:12,441 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:46:12,441 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:46:12,442 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:46:12,442 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:46:12,442 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:46:12,442 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:46:12,442 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:46:12,442 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:46:12,442 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:46:12,443 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:46:12,443 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:46:12,443 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:46:12,443 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:46:12,443 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:46:12,443 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:46:12,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:46:12,444 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:46:12,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:46:12,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:46:12,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:46:12,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:46:12,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:46:12,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:46:12,445 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:46:12,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:46:12,446 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:46:12,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:46:12,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:46:12,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:46:12,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:46:12,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:46:12,447 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:46:12,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:46:12,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:46:12,447 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:46:12,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:46:12,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:46:12,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:46:12,448 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_00c03aa0-c23a-4725-a7f7-509d19d0e161/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c8bfc4504f1d1d767281638f115bf6ca8337de4769381189ae1d6a9b301298b [2022-12-14 12:46:12,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:46:12,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:46:12,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:46:12,652 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:46:12,652 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:46:12,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i [2022-12-14 12:46:15,347 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:46:15,572 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:46:15,572 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i [2022-12-14 12:46:15,584 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/data/6749ae909/41ab0975cfb148879f916b55bdd74ab2/FLAGe23095946 [2022-12-14 12:46:15,594 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/data/6749ae909/41ab0975cfb148879f916b55bdd74ab2 [2022-12-14 12:46:15,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:46:15,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:46:15,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:46:15,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:46:15,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:46:15,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:46:15" (1/1) ... [2022-12-14 12:46:15,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72646566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:15, skipping insertion in model container [2022-12-14 12:46:15,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:46:15" (1/1) ... [2022-12-14 12:46:15,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:46:15,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:46:15,979 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_00c03aa0-c23a-4725-a7f7-509d19d0e161/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i[33021,33034] [2022-12-14 12:46:16,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:46:16,085 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:46:16,108 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_00c03aa0-c23a-4725-a7f7-509d19d0e161/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i[33021,33034] [2022-12-14 12:46:16,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:46:16,200 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:46:16,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:16 WrapperNode [2022-12-14 12:46:16,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:46:16,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:46:16,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:46:16,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:46:16,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:16" (1/1) ... [2022-12-14 12:46:16,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:16" (1/1) ... [2022-12-14 12:46:16,292 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1300 [2022-12-14 12:46:16,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:46:16,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:46:16,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:46:16,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:46:16,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:16" (1/1) ... [2022-12-14 12:46:16,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:16" (1/1) ... [2022-12-14 12:46:16,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:16" (1/1) ... [2022-12-14 12:46:16,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:16" (1/1) ... [2022-12-14 12:46:16,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:16" (1/1) ... [2022-12-14 12:46:16,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:16" (1/1) ... [2022-12-14 12:46:16,373 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:16" (1/1) ... [2022-12-14 12:46:16,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:16" (1/1) ... [2022-12-14 12:46:16,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:46:16,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:46:16,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:46:16,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:46:16,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:16" (1/1) ... [2022-12-14 12:46:16,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:46:16,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:46:16,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:46:16,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:46:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:46:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 12:46:16,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 12:46:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:46:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 12:46:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 12:46:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:46:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:46:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:46:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:46:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:46:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:46:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:46:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:46:16,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:46:16,651 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:46:16,653 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:46:17,823 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:46:18,175 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:46:18,175 INFO L300 CfgBuilder]: Removed 69 assume(true) statements. [2022-12-14 12:46:18,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:46:18 BoogieIcfgContainer [2022-12-14 12:46:18,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:46:18,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:46:18,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:46:18,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:46:18,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:46:15" (1/3) ... [2022-12-14 12:46:18,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb7c191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:46:18, skipping insertion in model container [2022-12-14 12:46:18,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:46:16" (2/3) ... [2022-12-14 12:46:18,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb7c191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:46:18, skipping insertion in model container [2022-12-14 12:46:18,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:46:18" (3/3) ... [2022-12-14 12:46:18,183 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-2.i [2022-12-14 12:46:18,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:46:18,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 12:46:18,240 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:46:18,247 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;@5b15bef4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:46:18,247 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 12:46:18,251 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 12:46:18,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 12:46:18,257 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:46:18,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:46:18,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:46:18,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:46:18,262 INFO L85 PathProgramCache]: Analyzing trace with hash 190255821, now seen corresponding path program 1 times [2022-12-14 12:46:18,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:46:18,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940016511] [2022-12-14 12:46:18,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:46:18,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:46:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:46:18,405 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 12:46:18,405 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:46:18,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940016511] [2022-12-14 12:46:18,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940016511] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:46:18,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:46:18,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:46:18,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778612355] [2022-12-14 12:46:18,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:46:18,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:46:18,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:46:18,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:46:18,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:46:18,434 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) 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 12:46:19,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:46:19,485 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2022-12-14 12:46:19,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:46:19,490 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 12:46:19,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:46:19,498 INFO L225 Difference]: With dead ends: 375 [2022-12-14 12:46:19,498 INFO L226 Difference]: Without dead ends: 220 [2022-12-14 12:46:19,501 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 12:46:19,504 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 97 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:46:19,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 12:46:19,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-12-14 12:46:19,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-12-14 12:46:19,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 12:46:19,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-12-14 12:46:19,546 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-12-14 12:46:19,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:46:19,547 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-12-14 12:46:19,547 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 12:46:19,547 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-12-14 12:46:19,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 12:46:19,550 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:46:19,550 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:46:19,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:46:19,550 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:46:19,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:46:19,551 INFO L85 PathProgramCache]: Analyzing trace with hash -910103328, now seen corresponding path program 1 times [2022-12-14 12:46:19,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:46:19,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919139068] [2022-12-14 12:46:19,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:46:19,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:46:19,784 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:46:19,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [135017151] [2022-12-14 12:46:19,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:46:19,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:46:19,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:46:19,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:46:19,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:46:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:46:20,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 12:46:20,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:46:20,772 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 12:46:20,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:46:20,860 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 12:46:20,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:46:20,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919139068] [2022-12-14 12:46:20,860 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:46:20,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135017151] [2022-12-14 12:46:20,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135017151] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:46:20,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1248313075] [2022-12-14 12:46:20,880 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-12-14 12:46:20,880 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:46:20,884 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:46:20,889 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:46:20,889 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:46:21,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,017 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 12:46:21,048 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:46:21,048 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 12:46:21,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,064 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 12:46:21,070 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 12:46:21,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:46:21,083 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 12:46:21,374 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 12:46:21,389 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 12:46:21,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,434 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 12:46:21,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,476 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 12:46:21,551 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 12:46:21,552 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 12:46:21,582 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:46:21,583 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 12:46:21,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,596 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 12:46:21,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:46:21,606 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 12:46:21,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,620 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 12:46:21,897 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 12:46:21,913 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 12:46:21,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,950 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 12:46:21,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:21,983 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 12:46:22,022 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:46:36,711 WARN L233 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:46:36,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1248313075] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:46:36,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 12:46:36,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 12:46:36,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586588048] [2022-12-14 12:46:36,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:46:36,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 12:46:36,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:46:36,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 12:46:36,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 12:46:36,718 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 12:46:39,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:46:42,054 WARN L539 Checker$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 12:46:44,070 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 12:46:46,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:46:46,293 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-12-14 12:46:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 12:46:46,294 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 52 [2022-12-14 12:46:46,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:46:46,295 INFO L225 Difference]: With dead ends: 265 [2022-12-14 12:46:46,295 INFO L226 Difference]: Without dead ends: 140 [2022-12-14 12:46:46,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 12:46:46,297 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 2 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:46:46,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 265 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 8.8s Time] [2022-12-14 12:46:46,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-12-14 12:46:46,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-12-14 12:46:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-14 12:46:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-12-14 12:46:46,308 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-12-14 12:46:46,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:46:46,308 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-12-14 12:46:46,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 12:46:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-12-14 12:46:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 12:46:46,310 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:46:46,310 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:46:46,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:46:46,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:46:46,512 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:46:46,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:46:46,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1562765067, now seen corresponding path program 1 times [2022-12-14 12:46:46,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:46:46,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546659421] [2022-12-14 12:46:46,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:46:46,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:46:46,645 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:46:46,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [509162372] [2022-12-14 12:46:46,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:46:46,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:46:46,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:46:46,646 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:46:46,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:46:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:46:47,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 12:46:47,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:46:47,371 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 12:46:47,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:46:47,445 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 12:46:47,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:46:47,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546659421] [2022-12-14 12:46:47,445 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:46:47,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509162372] [2022-12-14 12:46:47,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509162372] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:46:47,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1054847584] [2022-12-14 12:46:47,448 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 12:46:47,448 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:46:47,448 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:46:47,449 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:46:47,449 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:46:47,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,535 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 12:46:47,557 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 12:46:47,557 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 12:46:47,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:46:47,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,580 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 12:46:47,580 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 12:46:47,614 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:46:47,615 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 12:46:47,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,630 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 12:46:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,852 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 12:46:47,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,887 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 12:46:47,917 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 12:46:47,931 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 12:46:47,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:47,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,002 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 12:46:48,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,039 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 12:46:48,063 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 12:46:48,075 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 12:46:48,108 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 12:46:48,170 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 12:46:48,171 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 12:46:48,230 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 12:46:48,231 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 12:46:48,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,272 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 12:46:48,306 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 12:46:48,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:46:48,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,500 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 12:46:48,500 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 12:46:48,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,512 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 12:46:48,542 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:46:48,543 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 12:46:48,552 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 12:46:48,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,565 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 12:46:48,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,835 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 12:46:48,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,862 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 12:46:48,890 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 12:46:48,905 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 12:46:48,932 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 12:46:48,939 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 12:46:48,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,977 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 12:46:48,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:48,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,015 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 12:46:49,078 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 12:46:49,121 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 12:46:49,121 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 12:46:49,131 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 12:46:49,146 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 12:46:49,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:46:49,182 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 12:46:49,445 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 12:46:49,518 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:47:02,323 WARN L233 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:47:11,835 WARN L233 SmtUtils]: Spent 5.42s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:47:23,712 WARN L233 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:47:36,334 WARN L233 SmtUtils]: Spent 6.47s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:47:36,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1054847584] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:47:36,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 12:47:36,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 12:47:36,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969640475] [2022-12-14 12:47:36,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:47:36,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 12:47:36,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:47:36,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 12:47:36,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 12:47:36,795 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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 12:47:39,055 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 12:47:41,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:47:43,189 WARN L539 Checker$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 12:47:45,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:47:47,256 WARN L539 Checker$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 12:47:49,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:47:51,314 WARN L539 Checker$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 12:47:53,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 12:47:55,357 WARN L539 Checker$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 12:48:01,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:48:01,599 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-12-14 12:48:01,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 12:48:01,600 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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 65 [2022-12-14 12:48:01,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:48:01,601 INFO L225 Difference]: With dead ends: 267 [2022-12-14 12:48:01,602 INFO L226 Difference]: Without dead ends: 142 [2022-12-14 12:48:01,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 47.3s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 12:48:01,603 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:48:01,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 452 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 249 Invalid, 9 Unknown, 0 Unchecked, 24.8s Time] [2022-12-14 12:48:01,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-12-14 12:48:01,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-12-14 12:48:01,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-14 12:48:01,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-12-14 12:48:01,628 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-12-14 12:48:01,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:48:01,628 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-12-14 12:48:01,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 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 12:48:01,629 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-12-14 12:48:01,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 12:48:01,630 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:48:01,631 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:48:01,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 12:48:01,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:48:01,833 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:48:01,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:48:01,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1076213087, now seen corresponding path program 1 times [2022-12-14 12:48:01,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:48:01,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957434285] [2022-12-14 12:48:01,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:01,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:48:01,963 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:48:01,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [362718224] [2022-12-14 12:48:01,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:48:01,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:48:01,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:48:01,964 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:48:01,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c03aa0-c23a-4725-a7f7-509d19d0e161/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:48:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:48:02,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 12:48:02,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:48:02,703 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 12:48:02,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:48:02,767 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 12:48:02,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:48:02,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957434285] [2022-12-14 12:48:02,767 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:48:02,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362718224] [2022-12-14 12:48:02,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362718224] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:48:02,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1248362116] [2022-12-14 12:48:02,771 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-12-14 12:48:02,771 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:48:02,771 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:48:02,771 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:48:02,772 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:48:02,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:02,837 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 12:48:02,863 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 12:48:02,863 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 12:48:02,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:02,874 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 12:48:02,880 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 12:48:02,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:02,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:48:02,888 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 12:48:03,116 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 12:48:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,145 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 12:48:03,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,170 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 12:48:03,190 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 12:48:03,208 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 12:48:03,217 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 12:48:03,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,261 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 12:48:03,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,300 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 12:48:03,348 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 12:48:03,390 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 12:48:03,390 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 12:48:03,399 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 12:48:03,415 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 12:48:03,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,443 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 12:48:03,540 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 12:48:03,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 12:48:03,548 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 12:48:03,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 12:48:03,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 12:48:03,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 12:48:03,589 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 12:48:03,593 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 12:48:03,597 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 12:48:03,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,643 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 12:48:03,657 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 12:48:03,670 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 12:48:03,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:48:03,810 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 12:48:03,826 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 12:48:03,840 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 12:48:04,309 INFO L217 Elim1Store]: Index analysis took 258 ms [2022-12-14 12:48:11,177 WARN L233 SmtUtils]: Spent 6.87s on a formula simplification. DAG size of input: 60 DAG size of output: 18 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 12:48:11,178 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 12:48:11,178 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 10752670 treesize of output 10752673 [2022-12-14 12:48:11,884 INFO L217 Elim1Store]: Index analysis took 594 ms [2022-12-14 12:48:14,378 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 12:48:14,379 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 10752675 treesize of output 10752677 [2022-12-14 12:48:25,786 WARN L233 SmtUtils]: Spent 11.37s 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 12:48:25,787 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 12:48:25,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-12-14 12:48:41,720 WARN L233 SmtUtils]: Spent 15.84s 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 12:48:41,721 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 12:48:41,721 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 1824 [2022-12-14 12:48:42,460 INFO L217 Elim1Store]: Index analysis took 603 ms [2022-12-14 12:48:58,042 WARN L233 SmtUtils]: Spent 15.11s 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 12:48:58,043 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 12:48:58,044 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 12:48:59,598 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-12-14 12:48:59,598 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-12-14 12:48:59,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:48:59,903 INFO L217 Elim1Store]: Index analysis took 149 ms [2022-12-14 12:49:00,678 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:49:00,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-12-14 12:49:05,195 INFO L217 Elim1Store]: Index analysis took 504 ms