./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS --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 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 --- 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-8393723 [2022-11-19 08:31:42,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:31:42,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:31:42,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:31:42,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:31:42,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:31:42,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:31:42,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:31:42,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:31:42,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:31:42,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:31:42,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:31:42,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:31:42,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:31:42,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:31:42,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:31:42,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:31:42,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:31:42,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:31:42,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:31:42,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:31:42,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:31:42,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:31:42,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:31:42,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:31:42,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:31:42,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:31:42,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:31:42,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:31:42,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:31:42,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:31:42,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:31:42,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:31:42,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:31:42,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:31:42,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:31:42,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:31:42,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:31:42,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:31:42,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:31:42,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:31:42,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 08:31:42,696 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:31:42,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:31:42,698 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:31:42,698 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:31:42,699 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:31:42,699 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:31:42,700 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:31:42,700 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:31:42,700 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:31:42,700 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:31:42,701 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:31:42,702 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:31:42,702 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:31:42,702 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:31:42,702 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:31:42,703 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:31:42,703 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:31:42,703 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:31:42,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:31:42,704 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:31:42,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:31:42,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:31:42,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:31:42,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:31:42,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:31:42,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:31:42,706 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:31:42,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:31:42,706 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:31:42,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:31:42,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:31:42,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:31:42,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:31:42,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:31:42,708 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:31:42,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:31:42,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:31:42,709 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:31:42,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:31:42,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:31:42,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:31:42,710 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_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 [2022-11-19 08:31:43,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:31:43,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:31:43,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:31:43,062 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:31:43,062 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:31:43,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2022-11-19 08:31:43,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/data/3ff0bcb82/3ecc468ae51247fb802f707bb075a26b/FLAGf3ba9340f [2022-11-19 08:31:43,827 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:31:43,834 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2022-11-19 08:31:43,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/data/3ff0bcb82/3ecc468ae51247fb802f707bb075a26b/FLAGf3ba9340f [2022-11-19 08:31:44,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/data/3ff0bcb82/3ecc468ae51247fb802f707bb075a26b [2022-11-19 08:31:44,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:31:44,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:31:44,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:31:44,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:31:44,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:31:44,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:31:44" (1/1) ... [2022-11-19 08:31:44,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1abcb382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:44, skipping insertion in model container [2022-11-19 08:31:44,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:31:44" (1/1) ... [2022-11-19 08:31:44,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:31:44,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:31:44,678 WARN L234 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_b097609d-70b2-4da3-91bf-293070ead256/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2022-11-19 08:31:44,979 WARN L234 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_b097609d-70b2-4da3-91bf-293070ead256/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2022-11-19 08:31:44,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:31:44,992 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:31:45,019 WARN L234 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_b097609d-70b2-4da3-91bf-293070ead256/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2022-11-19 08:31:45,206 WARN L234 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_b097609d-70b2-4da3-91bf-293070ead256/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2022-11-19 08:31:45,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:31:45,252 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:31:45,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:45 WrapperNode [2022-11-19 08:31:45,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:31:45,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:31:45,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:31:45,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:31:45,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:45" (1/1) ... [2022-11-19 08:31:45,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:45" (1/1) ... [2022-11-19 08:31:45,434 INFO L138 Inliner]: procedures = 177, calls = 730, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2860 [2022-11-19 08:31:45,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:31:45,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:31:45,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:31:45,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:31:45,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:45" (1/1) ... [2022-11-19 08:31:45,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:45" (1/1) ... [2022-11-19 08:31:45,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:45" (1/1) ... [2022-11-19 08:31:45,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:45" (1/1) ... [2022-11-19 08:31:45,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:45" (1/1) ... [2022-11-19 08:31:45,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:45" (1/1) ... [2022-11-19 08:31:45,602 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:45" (1/1) ... [2022-11-19 08:31:45,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:45" (1/1) ... [2022-11-19 08:31:45,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:31:45,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:31:45,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:31:45,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:31:45,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:45" (1/1) ... [2022-11-19 08:31:45,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:31:45,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:31:45,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:31:45,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:31:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:31:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 08:31:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 08:31:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:31:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:31:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:31:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:31:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:31:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:31:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:31:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 08:31:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:31:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:31:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:31:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:31:45,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:31:46,008 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:31:46,010 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:31:48,964 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:31:49,516 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:31:49,516 INFO L300 CfgBuilder]: Removed 54 assume(true) statements. [2022-11-19 08:31:49,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:31:49 BoogieIcfgContainer [2022-11-19 08:31:49,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:31:49,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:31:49,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:31:49,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:31:49,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:31:44" (1/3) ... [2022-11-19 08:31:49,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbd7899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:31:49, skipping insertion in model container [2022-11-19 08:31:49,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:31:45" (2/3) ... [2022-11-19 08:31:49,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbd7899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:31:49, skipping insertion in model container [2022-11-19 08:31:49,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:31:49" (3/3) ... [2022-11-19 08:31:49,536 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test9-1.i [2022-11-19 08:31:49,565 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:31:49,566 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-19 08:31:49,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:31:49,688 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;@32e1d17f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:31:49,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-19 08:31:49,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 08:31:49,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:31:49,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:49,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:49,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:31:49,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:49,716 INFO L85 PathProgramCache]: Analyzing trace with hash -506218797, now seen corresponding path program 1 times [2022-11-19 08:31:49,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:49,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295746114] [2022-11-19 08:31:49,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:49,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:49,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:31:49,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:49,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295746114] [2022-11-19 08:31:49,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295746114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:49,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:49,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:31:49,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417245296] [2022-11-19 08:31:49,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:49,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:31:49,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:49,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:31:49,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:31:49,925 INFO L87 Difference]: Start difference. First operand has 1099 states, 591 states have (on average 1.9678510998307952) internal successors, (1163), 1093 states have internal predecessors, (1163), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:31:50,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:50,853 INFO L93 Difference]: Finished difference Result 2197 states and 4837 transitions. [2022-11-19 08:31:50,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:31:50,861 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 08:31:50,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:50,891 INFO L225 Difference]: With dead ends: 2197 [2022-11-19 08:31:50,891 INFO L226 Difference]: Without dead ends: 1097 [2022-11-19 08:31:50,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:31:50,907 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:50,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2101 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 08:31:50,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-19 08:31:51,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2022-11-19 08:31:51,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 590 states have (on average 1.8745762711864407) internal successors, (1106), 1091 states have internal predecessors, (1106), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 08:31:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2022-11-19 08:31:51,345 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2022-11-19 08:31:51,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:51,346 INFO L495 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2022-11-19 08:31:51,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:31:51,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2022-11-19 08:31:51,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 08:31:51,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:51,348 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] [2022-11-19 08:31:51,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:31:51,349 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:31:51,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:51,349 INFO L85 PathProgramCache]: Analyzing trace with hash 82355722, now seen corresponding path program 1 times [2022-11-19 08:31:51,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:51,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855807568] [2022-11-19 08:31:51,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:51,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:51,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:31:51,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:51,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855807568] [2022-11-19 08:31:51,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855807568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:51,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:51,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:31:51,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384985648] [2022-11-19 08:31:51,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:51,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:31:51,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:51,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:31:51,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:31:51,774 INFO L87 Difference]: Start difference. First operand 1097 states and 2112 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:31:54,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:54,075 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2022-11-19 08:31:54,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:31:54,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-19 08:31:54,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:54,096 INFO L225 Difference]: With dead ends: 3192 [2022-11-19 08:31:54,096 INFO L226 Difference]: Without dead ends: 2148 [2022-11-19 08:31:54,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:31:54,104 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:54,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 6751 Invalid, 585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-19 08:31:54,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-11-19 08:31:54,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2022-11-19 08:31:54,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 592 states have (on average 1.8716216216216217) internal successors, (1108), 1093 states have internal predecessors, (1108), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 08:31:54,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2022-11-19 08:31:54,647 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2022-11-19 08:31:54,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:54,647 INFO L495 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2022-11-19 08:31:54,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:31:54,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2022-11-19 08:31:54,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 08:31:54,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:54,651 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:54,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:31:54,652 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:31:54,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:54,662 INFO L85 PathProgramCache]: Analyzing trace with hash -421348211, now seen corresponding path program 1 times [2022-11-19 08:31:54,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:54,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174145664] [2022-11-19 08:31:54,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:54,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:54,828 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:31:54,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [787687411] [2022-11-19 08:31:54,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:54,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:31:54,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:31:54,834 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:31:54,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:31:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:55,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:31:55,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:31:55,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:31:55,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:31:55,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:55,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174145664] [2022-11-19 08:31:55,701 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:31:55,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787687411] [2022-11-19 08:31:55,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787687411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:55,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:55,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:31:55,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559525405] [2022-11-19 08:31:55,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:55,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:31:55,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:55,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:31:55,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:31:55,710 INFO L87 Difference]: Start difference. First operand 1099 states and 2114 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:31:57,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:57,208 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2022-11-19 08:31:57,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:31:57,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-19 08:31:57,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:57,231 INFO L225 Difference]: With dead ends: 3230 [2022-11-19 08:31:57,231 INFO L226 Difference]: Without dead ends: 2134 [2022-11-19 08:31:57,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:31:57,241 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 1033 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:57,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 08:31:57,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-11-19 08:31:57,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2022-11-19 08:31:57,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1125 states have (on average 1.9057777777777778) internal successors, (2144), 2126 states have internal predecessors, (2144), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-11-19 08:31:57,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2022-11-19 08:31:57,633 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2022-11-19 08:31:57,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:57,633 INFO L495 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2022-11-19 08:31:57,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:31:57,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2022-11-19 08:31:57,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 08:31:57,635 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:57,636 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:57,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 08:31:57,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:31:57,849 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:31:57,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:57,849 INFO L85 PathProgramCache]: Analyzing trace with hash -125172879, now seen corresponding path program 1 times [2022-11-19 08:31:57,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:57,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221570325] [2022-11-19 08:31:57,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:57,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:57,927 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:31:57,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393740552] [2022-11-19 08:31:57,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:57,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:31:57,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:31:57,938 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:31:57,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:31:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:58,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:31:58,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:31:58,594 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 08:31:58,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:31:58,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:58,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221570325] [2022-11-19 08:31:58,595 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:31:58,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393740552] [2022-11-19 08:31:58,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393740552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:58,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:58,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:31:58,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73394532] [2022-11-19 08:31:58,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:58,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:31:58,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:58,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:31:58,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:31:58,603 INFO L87 Difference]: Start difference. First operand 2132 states and 4150 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:32:01,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:32:01,175 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2022-11-19 08:32:01,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:32:01,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2022-11-19 08:32:01,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:32:01,185 INFO L225 Difference]: With dead ends: 3228 [2022-11-19 08:32:01,185 INFO L226 Difference]: Without dead ends: 1112 [2022-11-19 08:32:01,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:32:01,204 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2143 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:32:01,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 3123 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-19 08:32:01,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2022-11-19 08:32:01,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2022-11-19 08:32:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 605 states have (on average 1.8512396694214877) internal successors, (1120), 1106 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 08:32:01,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2022-11-19 08:32:01,418 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2022-11-19 08:32:01,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:32:01,418 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2022-11-19 08:32:01,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 08:32:01,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2022-11-19 08:32:01,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-19 08:32:01,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:32:01,420 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:32:01,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:32:01,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:32:01,634 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:32:01,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:32:01,634 INFO L85 PathProgramCache]: Analyzing trace with hash 373117970, now seen corresponding path program 1 times [2022-11-19 08:32:01,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:32:01,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033965662] [2022-11-19 08:32:01,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:01,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:32:01,731 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:32:01,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1496665193] [2022-11-19 08:32:01,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:01,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:32:01,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:32:01,733 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:32:01,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:32:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:32:17,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:32:17,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:32:17,554 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:32:17,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:32:17,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:32:17,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033965662] [2022-11-19 08:32:17,555 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:32:17,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496665193] [2022-11-19 08:32:17,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496665193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:32:17,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:32:17,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:32:17,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916840524] [2022-11-19 08:32:17,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:32:17,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:32:17,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:32:17,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:32:17,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:32:17,557 INFO L87 Difference]: Start difference. First operand 1112 states and 2126 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:32:19,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:32:19,027 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2022-11-19 08:32:19,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:32:19,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2022-11-19 08:32:19,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:32:19,039 INFO L225 Difference]: With dead ends: 2207 [2022-11-19 08:32:19,040 INFO L226 Difference]: Without dead ends: 1114 [2022-11-19 08:32:19,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:32:19,046 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6287 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:32:19,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6287 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-19 08:32:19,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-11-19 08:32:19,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2022-11-19 08:32:19,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 606 states have (on average 1.8514851485148516) internal successors, (1122), 1108 states have internal predecessors, (1122), 503 states have call successors, (503), 2 states have call predecessors, (503), 3 states have return successors, (504), 4 states have call predecessors, (504), 503 states have call successors, (504) [2022-11-19 08:32:19,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2022-11-19 08:32:19,254 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2022-11-19 08:32:19,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:32:19,256 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2022-11-19 08:32:19,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:32:19,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2022-11-19 08:32:19,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 08:32:19,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:32:19,263 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:32:19,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-19 08:32:19,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:32:19,479 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:32:19,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:32:19,479 INFO L85 PathProgramCache]: Analyzing trace with hash 899935758, now seen corresponding path program 1 times [2022-11-19 08:32:19,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:32:19,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418484114] [2022-11-19 08:32:19,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:19,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:32:19,570 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:32:19,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1954027040] [2022-11-19 08:32:19,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:19,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:32:19,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:32:19,572 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:32:19,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b097609d-70b2-4da3-91bf-293070ead256/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:33:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:33:09,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-19 08:33:09,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:33:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:33:09,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:33:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:33:10,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:33:10,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418484114] [2022-11-19 08:33:10,026 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:33:10,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954027040] [2022-11-19 08:33:10,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954027040] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:33:10,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1631304480] [2022-11-19 08:33:10,052 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2022-11-19 08:33:10,052 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:33:10,056 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:33:10,063 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:33:10,064 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:33:10,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:33:10,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,216 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 08:33:10,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-19 08:33:10,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 08:33:10,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,240 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 [2022-11-19 08:33:10,250 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 15 treesize of output 1 [2022-11-19 08:33:10,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,318 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 08:33:10,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2022-11-19 08:33:10,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,378 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:33:10,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 08:33:10,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2022-11-19 08:33:10,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,441 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 [2022-11-19 08:33:10,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,461 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 [2022-11-19 08:33:10,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:33:10,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:10,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9897009 treesize of output 5376288 [2022-11-19 08:33:11,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-19 08:33:11,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-19 08:33:11,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 08:33:11,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 08:33:11,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:33:11,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-19 08:33:11,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 08:33:11,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:33:11,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-19 08:33:11,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,573 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 08:33:11,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-19 08:33:11,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:11,671 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:33:11,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-19 08:33:11,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:33:11,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:33:11,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:33:11,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 08:33:11,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 08:33:11,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 08:33:12,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:33:12,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 08:33:12,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 08:33:12,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 08:33:12,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 08:33:12,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 08:33:12,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:12,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 08:33:12,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 08:33:12,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-19 08:33:13,276 INFO L217 Elim1Store]: Index analysis took 557 ms [2022-11-19 08:33:17,282 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 08:33:17,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-19 08:33:19,609 INFO L217 Elim1Store]: Index analysis took 2057 ms [2022-11-19 08:33:20,462 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 08:33:20,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-19 08:33:27,807 WARN L233 SmtUtils]: Spent 7.22s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:33:27,808 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 08:33:27,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-19 08:33:28,221 INFO L217 Elim1Store]: Index analysis took 204 ms [2022-11-19 08:33:50,438 WARN L233 SmtUtils]: Spent 22.21s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:33:50,438 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 08:33:50,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-11-19 08:33:52,113 INFO L217 Elim1Store]: Index analysis took 972 ms [2022-11-19 08:34:19,585 WARN L233 SmtUtils]: Spent 26.89s on a formula simplification. DAG size of input: 258 DAG size of output: 156 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:34:19,586 INFO L321 Elim1Store]: treesize reduction 13218, result has 27.3 percent of original size [2022-11-19 08:34:19,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 4294 treesize of output 11953 [2022-11-19 08:34:21,597 INFO L217 Elim1Store]: Index analysis took 169 ms [2022-11-19 08:34:22,157 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-19 08:34:22,158 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 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-19 08:34:22,247 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 [2022-11-19 08:34:22,819 INFO L217 Elim1Store]: Index analysis took 351 ms [2022-11-19 08:34:23,565 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:34:23,565 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 [2022-11-19 08:34:24,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:34:24,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-19 08:34:24,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:24,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-19 08:34:24,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:24,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-19 08:34:24,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:34:24,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 08:34:24,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:34:24,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 08:34:27,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:27,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:27,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 08:34:27,270 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:34:27,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:34:27,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 08:34:28,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:28,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:34:28,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-19 08:34:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:28,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 08:34:28,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:28,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 08:34:28,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:28,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 08:34:29,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:29,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:29,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:34:29,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-19 08:34:41,786 INFO L217 Elim1Store]: Index analysis took 1493 ms [2022-11-19 08:44:23,465 WARN L233 SmtUtils]: Spent 9.69m on a formula simplification. DAG size of input: 339 DAG size of output: 94 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:44:23,466 INFO L321 Elim1Store]: treesize reduction 32474, result has 1.7 percent of original size [2022-11-19 08:44:23,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 16 new quantified variables, introduced 78 case distinctions, treesize of input 1135754 treesize of output 1141681 [2022-11-19 08:45:35,496 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:45:36,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:36,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:36,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:36,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:36,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:43,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:43,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:43,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:43,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:43,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:43,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:43,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:43,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:48,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:48,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:48,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:45:48,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:21,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:21,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:21,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:21,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:21,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:21,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:21,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:43,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:43,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:43,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:43,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:50,551 INFO L217 Elim1Store]: Index analysis took 73661 ms [2022-11-19 08:46:50,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24417 treesize of output 221145 [2022-11-19 08:46:52,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:52,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:52,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:52,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:52,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:58,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:58,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:58,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:46:58,599 INFO L173 IndexEqualityManager]: detected equality via solver