./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7 --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 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:32:13,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:32:13,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:32:13,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:32:13,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:32:13,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:32:13,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:32:13,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:32:13,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:32:13,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:32:13,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:32:13,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:32:13,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:32:13,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:32:13,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:32:13,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:32:13,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:32:13,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:32:13,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:32:13,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:32:13,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:32:13,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:32:13,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:32:13,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:32:13,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:32:13,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:32:13,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:32:13,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:32:13,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:32:13,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:32:13,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:32:13,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:32:13,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:32:13,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:32:13,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:32:13,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:32:13,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:32:13,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:32:13,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:32:13,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:32:13,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:32:13,691 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:32:13,733 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:32:13,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:32:13,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:32:13,734 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:32:13,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:32:13,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:32:13,741 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:32:13,742 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:32:13,742 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:32:13,742 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:32:13,743 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:32:13,743 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:32:13,743 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:32:13,744 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:32:13,744 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:32:13,744 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:32:13,744 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:32:13,744 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:32:13,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:32:13,746 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:32:13,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:32:13,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:32:13,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:32:13,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:32:13,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:32:13,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:32:13,749 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:32:13,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:32:13,749 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:32:13,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:32:13,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:32:13,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:32:13,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:32:13,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:32:13,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:32:13,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:32:13,751 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:32:13,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:32:13,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:32:13,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:32:13,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:32:13,752 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd [2021-11-25 19:32:14,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:32:14,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:32:14,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:32:14,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:32:14,099 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:32:14,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2021-11-25 19:32:14,173 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/data/b91e6f84a/cee4f541c5a34291a13ebba664f8ccde/FLAG5cdd2a7b7 [2021-11-25 19:32:15,012 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:32:15,012 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2021-11-25 19:32:15,036 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/data/b91e6f84a/cee4f541c5a34291a13ebba664f8ccde/FLAG5cdd2a7b7 [2021-11-25 19:32:15,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/data/b91e6f84a/cee4f541c5a34291a13ebba664f8ccde [2021-11-25 19:32:15,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:32:15,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:32:15,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:32:15,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:32:15,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:32:15,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:32:15" (1/1) ... [2021-11-25 19:32:15,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca1fa47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:15, skipping insertion in model container [2021-11-25 19:32:15,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:32:15" (1/1) ... [2021-11-25 19:32:15,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:32:15,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:32:15,831 WARN L230 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_d69ce42c-da19-409e-af5d-3eb0da6cab10/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[33021,33034] [2021-11-25 19:32:16,136 WARN L230 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_d69ce42c-da19-409e-af5d-3eb0da6cab10/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[84583,84596] [2021-11-25 19:32:16,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:32:16,162 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:32:16,199 WARN L230 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_d69ce42c-da19-409e-af5d-3eb0da6cab10/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[33021,33034] [2021-11-25 19:32:16,302 WARN L230 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_d69ce42c-da19-409e-af5d-3eb0da6cab10/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[84583,84596] [2021-11-25 19:32:16,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:32:16,355 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:32:16,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:16 WrapperNode [2021-11-25 19:32:16,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:32:16,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:32:16,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:32:16,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:32:16,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:16" (1/1) ... [2021-11-25 19:32:16,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:16" (1/1) ... [2021-11-25 19:32:16,607 INFO L137 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3019 [2021-11-25 19:32:16,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:32:16,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:32:16,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:32:16,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:32:16,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:16" (1/1) ... [2021-11-25 19:32:16,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:16" (1/1) ... [2021-11-25 19:32:16,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:16" (1/1) ... [2021-11-25 19:32:16,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:16" (1/1) ... [2021-11-25 19:32:16,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:16" (1/1) ... [2021-11-25 19:32:16,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:16" (1/1) ... [2021-11-25 19:32:16,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:16" (1/1) ... [2021-11-25 19:32:16,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:32:16,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:32:16,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:32:16,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:32:16,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:16" (1/1) ... [2021-11-25 19:32:16,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:32:16,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:32:16,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:32:16,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:32:16,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:32:16,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:32:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:32:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:32:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:32:16,876 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:32:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:32:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:32:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:32:16,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:32:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:32:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:32:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:32:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:32:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:32:16,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:32:17,107 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:32:17,109 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:32:19,506 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:32:20,048 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:32:20,049 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 19:32:20,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:32:20 BoogieIcfgContainer [2021-11-25 19:32:20,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:32:20,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:32:20,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:32:20,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:32:20,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:32:15" (1/3) ... [2021-11-25 19:32:20,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf0e9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:32:20, skipping insertion in model container [2021-11-25 19:32:20,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:16" (2/3) ... [2021-11-25 19:32:20,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf0e9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:32:20, skipping insertion in model container [2021-11-25 19:32:20,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:32:20" (3/3) ... [2021-11-25 19:32:20,069 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test9-2.i [2021-11-25 19:32:20,075 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:32:20,075 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 19:32:20,163 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:32:20,169 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:32:20,170 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 19:32:20,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 1113 states, 605 states have (on average 1.9636363636363636) internal successors, (1188), 1107 states have internal predecessors, (1188), 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) [2021-11-25 19:32:20,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:32:20,220 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:32:20,221 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:32:20,222 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:32:20,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:32:20,227 INFO L85 PathProgramCache]: Analyzing trace with hash -258845898, now seen corresponding path program 1 times [2021-11-25 19:32:20,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:32:20,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35453295] [2021-11-25 19:32:20,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:32:20,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:32:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:32:20,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:32:20,448 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:32:20,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35453295] [2021-11-25 19:32:20,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35453295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:32:20,449 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:32:20,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:32:20,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976095430] [2021-11-25 19:32:20,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:32:20,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:32:20,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:32:20,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:32:20,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:32:20,515 INFO L87 Difference]: Start difference. First operand has 1113 states, 605 states have (on average 1.9636363636363636) internal successors, (1188), 1107 states have internal predecessors, (1188), 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) [2021-11-25 19:32:21,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:32:21,240 INFO L93 Difference]: Finished difference Result 2225 states and 4887 transitions. [2021-11-25 19:32:21,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:32:21,253 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 [2021-11-25 19:32:21,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:32:21,292 INFO L225 Difference]: With dead ends: 2225 [2021-11-25 19:32:21,292 INFO L226 Difference]: Without dead ends: 1097 [2021-11-25 19:32:21,314 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:32:21,318 INFO L933 BasicCegarLoop]: 2111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2111 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:32:21,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2111 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 19:32:21,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2021-11-25 19:32:21,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2021-11-25 19:32:21,785 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) [2021-11-25 19:32:21,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 2112 transitions. [2021-11-25 19:32:21,800 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 2112 transitions. Word has length 8 [2021-11-25 19:32:21,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:32:21,800 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 2112 transitions. [2021-11-25 19:32:21,801 INFO L471 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) [2021-11-25 19:32:21,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2112 transitions. [2021-11-25 19:32:21,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 19:32:21,803 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:32:21,803 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:32:21,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:32:21,804 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:32:21,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:32:21,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1120515419, now seen corresponding path program 1 times [2021-11-25 19:32:21,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:32:21,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273945036] [2021-11-25 19:32:21,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:32:21,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:32:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:32:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:32:21,882 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:32:21,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273945036] [2021-11-25 19:32:21,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273945036] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:32:21,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:32:21,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:32:21,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92674917] [2021-11-25 19:32:21,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:32:21,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:32:21,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:32:21,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:32:21,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:32:21,887 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) [2021-11-25 19:32:24,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:32:24,870 INFO L93 Difference]: Finished difference Result 3192 states and 6222 transitions. [2021-11-25 19:32:24,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:32:24,880 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 [2021-11-25 19:32:24,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:32:24,902 INFO L225 Difference]: With dead ends: 3192 [2021-11-25 19:32:24,902 INFO L226 Difference]: Without dead ends: 2148 [2021-11-25 19:32:24,909 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:32:24,911 INFO L933 BasicCegarLoop]: 2589 mSDtfsCounter, 1056 mSDsluCounter, 4177 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 6754 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:32:24,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1556 Valid, 6754 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-25 19:32:24,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2021-11-25 19:32:25,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1099. [2021-11-25 19:32:25,407 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) [2021-11-25 19:32:25,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 2114 transitions. [2021-11-25 19:32:25,418 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 2114 transitions. Word has length 20 [2021-11-25 19:32:25,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:32:25,418 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 2114 transitions. [2021-11-25 19:32:25,419 INFO L471 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) [2021-11-25 19:32:25,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2114 transitions. [2021-11-25 19:32:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 19:32:25,421 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:32:25,421 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:32:25,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:32:25,422 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:32:25,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:32:25,422 INFO L85 PathProgramCache]: Analyzing trace with hash -440666121, now seen corresponding path program 1 times [2021-11-25 19:32:25,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:32:25,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225746259] [2021-11-25 19:32:25,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:32:25,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:32:25,555 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:32:25,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1470716966] [2021-11-25 19:32:25,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:32:25,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:32:25,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:32:25,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:32:25,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:32:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:32:26,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 1648 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:32:26,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:32:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:32:26,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:32:26,356 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:32:26,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225746259] [2021-11-25 19:32:26,357 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:32:26,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470716966] [2021-11-25 19:32:26,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470716966] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:32:26,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:32:26,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:32:26,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742789830] [2021-11-25 19:32:26,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:32:26,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:32:26,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:32:26,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:32:26,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:32:26,360 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) [2021-11-25 19:32:27,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:32:27,482 INFO L93 Difference]: Finished difference Result 3230 states and 6264 transitions. [2021-11-25 19:32:27,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:32:27,491 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 [2021-11-25 19:32:27,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:32:27,513 INFO L225 Difference]: With dead ends: 3230 [2021-11-25 19:32:27,514 INFO L226 Difference]: Without dead ends: 2134 [2021-11-25 19:32:27,522 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:32:27,523 INFO L933 BasicCegarLoop]: 2612 mSDtfsCounter, 1033 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:32:27,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1535 Valid, 4693 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 19:32:27,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2021-11-25 19:32:27,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2132. [2021-11-25 19:32:27,993 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) [2021-11-25 19:32:28,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 4150 transitions. [2021-11-25 19:32:28,012 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 4150 transitions. Word has length 44 [2021-11-25 19:32:28,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:32:28,012 INFO L470 AbstractCegarLoop]: Abstraction has 2132 states and 4150 transitions. [2021-11-25 19:32:28,012 INFO L471 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) [2021-11-25 19:32:28,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4150 transitions. [2021-11-25 19:32:28,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 19:32:28,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:32:28,022 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:32:28,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:32:28,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-25 19:32:28,238 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:32:28,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:32:28,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1581662633, now seen corresponding path program 1 times [2021-11-25 19:32:28,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:32:28,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171964999] [2021-11-25 19:32:28,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:32:28,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:32:28,313 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:32:28,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989571460] [2021-11-25 19:32:28,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:32:28,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:32:28,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:32:28,320 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:32:28,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:32:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:32:28,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:32:28,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:32:28,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 19:32:28,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:32:28,926 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:32:28,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171964999] [2021-11-25 19:32:28,928 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:32:28,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989571460] [2021-11-25 19:32:28,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989571460] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:32:28,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:32:28,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:32:28,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368961073] [2021-11-25 19:32:28,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:32:28,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:32:28,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:32:28,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:32:28,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:32:28,938 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) [2021-11-25 19:32:30,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:32:32,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:32:32,116 INFO L93 Difference]: Finished difference Result 3228 states and 6261 transitions. [2021-11-25 19:32:32,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:32:32,117 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 [2021-11-25 19:32:32,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:32:32,127 INFO L225 Difference]: With dead ends: 3228 [2021-11-25 19:32:32,128 INFO L226 Difference]: Without dead ends: 1112 [2021-11-25 19:32:32,138 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:32:32,140 INFO L933 BasicCegarLoop]: 2090 mSDtfsCounter, 2143 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 3126 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:32:32,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2143 Valid, 3126 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 19:32:32,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2021-11-25 19:32:32,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2021-11-25 19:32:32,337 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) [2021-11-25 19:32:32,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2126 transitions. [2021-11-25 19:32:32,348 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2126 transitions. Word has length 57 [2021-11-25 19:32:32,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:32:32,351 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 2126 transitions. [2021-11-25 19:32:32,352 INFO L471 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) [2021-11-25 19:32:32,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2126 transitions. [2021-11-25 19:32:32,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 19:32:32,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:32:32,353 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:32:32,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:32:32,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:32:32,566 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:32:32,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:32:32,567 INFO L85 PathProgramCache]: Analyzing trace with hash -425682233, now seen corresponding path program 1 times [2021-11-25 19:32:32,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:32:32,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819947581] [2021-11-25 19:32:32,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:32:32,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:32:32,639 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:32:32,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [880702403] [2021-11-25 19:32:32,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:32:32,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:32:32,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:32:32,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:32:32,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:32:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:32:38,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 19:32:38,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:32:38,450 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:32:38,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:32:38,451 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:32:38,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819947581] [2021-11-25 19:32:38,451 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:32:38,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880702403] [2021-11-25 19:32:38,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880702403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:32:38,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:32:38,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:32:38,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277940980] [2021-11-25 19:32:38,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:32:38,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:32:38,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:32:38,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:32:38,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:32:38,454 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:32:40,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:32:40,214 INFO L93 Difference]: Finished difference Result 2207 states and 4236 transitions. [2021-11-25 19:32:40,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:32:40,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-25 19:32:40,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:32:40,241 INFO L225 Difference]: With dead ends: 2207 [2021-11-25 19:32:40,241 INFO L226 Difference]: Without dead ends: 1114 [2021-11-25 19:32:40,248 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:32:40,249 INFO L933 BasicCegarLoop]: 2096 mSDtfsCounter, 1 mSDsluCounter, 4212 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6284 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:32:40,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 6284 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:32:40,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2021-11-25 19:32:40,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1114. [2021-11-25 19:32:40,451 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) [2021-11-25 19:32:40,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 2129 transitions. [2021-11-25 19:32:40,459 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 2129 transitions. Word has length 64 [2021-11-25 19:32:40,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:32:40,461 INFO L470 AbstractCegarLoop]: Abstraction has 1114 states and 2129 transitions. [2021-11-25 19:32:40,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:32:40,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2129 transitions. [2021-11-25 19:32:40,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 19:32:40,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:32:40,464 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:32:40,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:32:40,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:32:40,690 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:32:40,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:32:40,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1544494779, now seen corresponding path program 1 times [2021-11-25 19:32:40,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:32:40,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677221866] [2021-11-25 19:32:40,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:32:40,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:32:40,757 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:32:40,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1888611343] [2021-11-25 19:32:40,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:32:40,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:32:40,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:32:40,759 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:32:40,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69ce42c-da19-409e-af5d-3eb0da6cab10/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 19:32:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:32:41,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 19:32:41,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:32:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:32:42,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:32:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:32:42,261 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:32:42,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677221866] [2021-11-25 19:32:42,262 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:32:42,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888611343] [2021-11-25 19:32:42,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888611343] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:32:42,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2097629933] [2021-11-25 19:32:42,285 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 19:32:42,285 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:32:42,290 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:32:42,295 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:32:42,296 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:32:42,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:42,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:42,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:42,480 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 19:32:42,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-25 19:32:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:42,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 19:32:42,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:42,518 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:32:42,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:42,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:42,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:32:42,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:42,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:32:42,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:42,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:42,620 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:32:42,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:42,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:42,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:42,673 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:32:42,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:42,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:42,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:42,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:42,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:42,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:43,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2021-11-25 19:32:43,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-25 19:32:43,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:43,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:43,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-25 19:32:43,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-25 19:32:43,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:43,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:43,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:43,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,468 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 19:32:43,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:43,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 19:32:43,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:43,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 19:32:43,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:32:43,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 19:32:43,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:32:43,723 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:32:43,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 60 [2021-11-25 19:32:43,754 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:32:43,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2021-11-25 19:32:43,786 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:32:43,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 19:32:43,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:43,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:43,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:43,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 19:32:43,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:43,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:43,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:44,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 19:32:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:44,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:44,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 19:32:50,981 WARN L227 SmtUtils]: Spent 6.65s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:32:50,982 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:32:50,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 19:32:51,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:58,164 WARN L227 SmtUtils]: Spent 7.07s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:32:58,165 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:32:58,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 19:32:58,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:32:58,668 INFO L244 Elim1Store]: Index analysis took 255 ms [2021-11-25 19:33:07,602 WARN L227 SmtUtils]: Spent 8.66s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:33:07,604 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 19:33:07,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 19:33:08,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:08,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:08,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:08,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:08,408 INFO L244 Elim1Store]: Index analysis took 290 ms [2021-11-25 19:33:09,208 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 19:33:09,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 19:33:09,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:09,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:09,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:09,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:09,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 19:33:10,028 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:33:10,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:10,223 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 19:33:10,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 46 treesize of output 30 [2021-11-25 19:33:10,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:10,532 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:33:10,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 19:33:10,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:10,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:33:10,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:10,818 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:33:10,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:33:10,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:10,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 15 [2021-11-25 19:33:10,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:10,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-25 19:33:11,042 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:33:11,067 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:33:11,138 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:33:11,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:11,265 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:33:11,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 13 [2021-11-25 19:33:11,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:11,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:11,426 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-25 19:33:11,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 19:33:11,505 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:33:11,530 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:33:11,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:11,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 19:33:12,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:12,510 INFO L244 Elim1Store]: Index analysis took 173 ms [2021-11-25 19:33:13,537 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:33:13,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4154 treesize of output 5558 [2021-11-25 19:33:22,026 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:33:22,110 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:33:25,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:25,502 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-11-25 19:33:27,389 INFO L354 Elim1Store]: treesize reduction 28, result has 98.5 percent of original size [2021-11-25 19:33:27,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4054 treesize of output 5404 [2021-11-25 19:33:31,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:32,007 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-11-25 19:33:32,267 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 19:33:32,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 3586 [2021-11-25 19:33:36,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:36,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:36,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:36,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:33:36,732 INFO L244 Elim1Store]: Index analysis took 266 ms [2021-11-25 19:33:41,880 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 19:33:41,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 354937 treesize of output 352497 [2021-11-25 19:40:39,886 WARN L227 SmtUtils]: Spent 6.93s on a formula simplification that was a NOOP. DAG size: 2532 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)