./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.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_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/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_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/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_acbdc229-2889-44d9-b9c4-3bb0050cadcd/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 fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:42:38,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:42:38,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:42:38,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:42:38,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:42:38,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:42:38,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:42:38,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:42:38,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:42:38,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:42:38,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:42:38,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:42:38,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:42:38,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:42:38,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:42:38,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:42:38,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:42:38,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:42:38,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:42:38,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:42:38,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:42:38,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:42:38,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:42:38,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:42:38,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:42:38,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:42:38,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:42:38,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:42:38,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:42:38,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:42:38,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:42:38,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:42:38,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:42:38,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:42:38,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:42:38,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:42:38,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:42:38,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:42:38,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:42:38,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:42:38,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:42:38,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:42:38,743 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:42:38,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:42:38,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:42:38,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:42:38,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:42:38,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:42:38,745 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:42:38,745 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:42:38,746 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:42:38,746 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:42:38,746 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:42:38,746 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:42:38,746 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:42:38,747 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:42:38,747 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:42:38,747 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:42:38,747 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:42:38,747 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:42:38,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:42:38,748 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:42:38,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:42:38,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:42:38,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:42:38,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:42:38,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:42:38,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:42:38,750 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:42:38,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:42:38,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:42:38,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:42:38,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:42:38,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:42:38,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:42:38,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:42:38,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:42:38,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:42:38,752 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:42:38,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:42:38,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:42:38,752 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:42:38,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:42:38,753 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_acbdc229-2889-44d9-b9c4-3bb0050cadcd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c [2021-11-25 18:42:39,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:42:39,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:42:39,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:42:39,032 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:42:39,033 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:42:39,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2021-11-25 18:42:39,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/data/dbd53b617/29f7c20bf6c34c8b80136a3282c8260c/FLAGa25fc423f [2021-11-25 18:42:39,742 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:42:39,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2021-11-25 18:42:39,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/data/dbd53b617/29f7c20bf6c34c8b80136a3282c8260c/FLAGa25fc423f [2021-11-25 18:42:39,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/data/dbd53b617/29f7c20bf6c34c8b80136a3282c8260c [2021-11-25 18:42:39,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:42:39,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:42:39,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:42:39,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:42:39,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:42:39,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:42:39" (1/1) ... [2021-11-25 18:42:39,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79eefa33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:39, skipping insertion in model container [2021-11-25 18:42:39,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:42:39" (1/1) ... [2021-11-25 18:42:40,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:42:40,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:42:40,473 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_acbdc229-2889-44d9-b9c4-3bb0050cadcd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i[33021,33034] [2021-11-25 18:42:40,567 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_acbdc229-2889-44d9-b9c4-3bb0050cadcd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i[45234,45247] [2021-11-25 18:42:40,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:42:40,591 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:42:40,646 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_acbdc229-2889-44d9-b9c4-3bb0050cadcd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i[33021,33034] [2021-11-25 18:42:40,757 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_acbdc229-2889-44d9-b9c4-3bb0050cadcd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i[45234,45247] [2021-11-25 18:42:40,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:42:40,813 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:42:40,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:40 WrapperNode [2021-11-25 18:42:40,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:42:40,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:42:40,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:42:40,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:42:40,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:40" (1/1) ... [2021-11-25 18:42:40,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:40" (1/1) ... [2021-11-25 18:42:40,937 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1151 [2021-11-25 18:42:40,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:42:40,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:42:40,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:42:40,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:42:40,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:40" (1/1) ... [2021-11-25 18:42:40,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:40" (1/1) ... [2021-11-25 18:42:40,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:40" (1/1) ... [2021-11-25 18:42:40,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:40" (1/1) ... [2021-11-25 18:42:41,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:40" (1/1) ... [2021-11-25 18:42:41,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:40" (1/1) ... [2021-11-25 18:42:41,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:40" (1/1) ... [2021-11-25 18:42:41,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:42:41,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:42:41,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:42:41,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:42:41,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:40" (1/1) ... [2021-11-25 18:42:41,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:42:41,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:42:41,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:42:41,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:42:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:42:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:42:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:42:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:42:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:42:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:42:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-25 18:42:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-25 18:42:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:42:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:42:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:42:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:42:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:42:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:42:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:42:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:42:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:42:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:42:41,474 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:42:41,475 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:42:42,717 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:42:43,167 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:42:43,168 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-25 18:42:43,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:42:43 BoogieIcfgContainer [2021-11-25 18:42:43,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:42:43,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:42:43,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:42:43,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:42:43,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:42:39" (1/3) ... [2021-11-25 18:42:43,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7f1e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:42:43, skipping insertion in model container [2021-11-25 18:42:43,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:40" (2/3) ... [2021-11-25 18:42:43,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7f1e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:42:43, skipping insertion in model container [2021-11-25 18:42:43,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:42:43" (3/3) ... [2021-11-25 18:42:43,184 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test8-2.i [2021-11-25 18:42:43,191 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:42:43,191 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 18:42:43,260 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:42:43,277 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 18:42:43,278 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 18:42:43,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 136 states have (on average 1.7941176470588236) internal successors, (244), 153 states have internal predecessors, (244), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:42:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 18:42:43,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:42:43,310 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:42:43,310 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:42:43,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:42:43,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1416523053, now seen corresponding path program 1 times [2021-11-25 18:42:43,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:42:43,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600378762] [2021-11-25 18:42:43,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:42:43,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:42:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:42:43,521 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 18:42:43,522 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:42:43,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600378762] [2021-11-25 18:42:43,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600378762] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:42:43,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:42:43,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:42:43,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146912143] [2021-11-25 18:42:43,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:42:43,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 18:42:43,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:42:43,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 18:42:43,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:42:43,569 INFO L87 Difference]: Start difference. First operand has 162 states, 136 states have (on average 1.7941176470588236) internal successors, (244), 153 states have internal predecessors, (244), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) 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 18:42:45,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:42:45,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:42:45,187 INFO L93 Difference]: Finished difference Result 323 states and 584 transitions. [2021-11-25 18:42:45,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 18:42:45,190 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 18:42:45,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:42:45,199 INFO L225 Difference]: With dead ends: 323 [2021-11-25 18:42:45,199 INFO L226 Difference]: Without dead ends: 146 [2021-11-25 18:42:45,203 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 18:42:45,207 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:42:45,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 18:42:45,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-25 18:42:45,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-11-25 18:42:45,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 121 states have (on average 1.2727272727272727) internal successors, (154), 137 states have internal predecessors, (154), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:42:45,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 194 transitions. [2021-11-25 18:42:45,260 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 194 transitions. Word has length 8 [2021-11-25 18:42:45,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:42:45,260 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 194 transitions. [2021-11-25 18:42:45,261 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 18:42:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 194 transitions. [2021-11-25 18:42:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 18:42:45,263 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:42:45,263 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 18:42:45,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:42:45,263 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:42:45,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:42:45,264 INFO L85 PathProgramCache]: Analyzing trace with hash -2072407008, now seen corresponding path program 1 times [2021-11-25 18:42:45,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:42:45,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234287121] [2021-11-25 18:42:45,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:42:45,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:42:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:42:45,336 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 18:42:45,336 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:42:45,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234287121] [2021-11-25 18:42:45,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234287121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:42:45,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:42:45,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:42:45,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292111424] [2021-11-25 18:42:45,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:42:45,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:42:45,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:42:45,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:42:45,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:42:45,340 INFO L87 Difference]: Start difference. First operand 146 states and 194 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 18:42:46,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:42:46,652 INFO L93 Difference]: Finished difference Result 293 states and 390 transitions. [2021-11-25 18:42:46,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:42:46,653 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 18:42:46,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:42:46,656 INFO L225 Difference]: With dead ends: 293 [2021-11-25 18:42:46,656 INFO L226 Difference]: Without dead ends: 202 [2021-11-25 18:42:46,658 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 18:42:46,660 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 60 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:42:46,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 484 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 18:42:46,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-11-25 18:42:46,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 148. [2021-11-25 18:42:46,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 123 states have (on average 1.2682926829268293) internal successors, (156), 139 states have internal predecessors, (156), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:42:46,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 196 transitions. [2021-11-25 18:42:46,681 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 196 transitions. Word has length 20 [2021-11-25 18:42:46,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:42:46,681 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 196 transitions. [2021-11-25 18:42:46,681 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 18:42:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 196 transitions. [2021-11-25 18:42:46,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 18:42:46,683 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:42:46,683 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:42:46,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:42:46,684 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:42:46,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:42:46,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1044851722, now seen corresponding path program 1 times [2021-11-25 18:42:46,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:42:46,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255489405] [2021-11-25 18:42:46,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:42:46,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:42:46,836 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:42:46,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1774791591] [2021-11-25 18:42:46,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:42:46,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:42:46,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:42:46,849 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:42:46,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:42:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:42:47,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:42:47,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:42:47,731 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 18:42:47,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:42:47,732 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:42:47,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255489405] [2021-11-25 18:42:47,733 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:42:47,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774791591] [2021-11-25 18:42:47,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774791591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:42:47,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:42:47,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:42:47,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912932517] [2021-11-25 18:42:47,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:42:47,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:42:47,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:42:47,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:42:47,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:42:47,737 INFO L87 Difference]: Start difference. First operand 148 states and 196 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:42:48,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:42:48,585 INFO L93 Difference]: Finished difference Result 341 states and 444 transitions. [2021-11-25 18:42:48,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:42:48,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-25 18:42:48,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:42:48,589 INFO L225 Difference]: With dead ends: 341 [2021-11-25 18:42:48,589 INFO L226 Difference]: Without dead ends: 196 [2021-11-25 18:42:48,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 18:42:48,593 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 45 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:42:48,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 341 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:42:48,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-25 18:42:48,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 193. [2021-11-25 18:42:48,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 167 states have (on average 1.2275449101796407) internal successors, (205), 183 states have internal predecessors, (205), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-25 18:42:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 247 transitions. [2021-11-25 18:42:48,613 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 247 transitions. Word has length 32 [2021-11-25 18:42:48,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:42:48,614 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 247 transitions. [2021-11-25 18:42:48,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:42:48,614 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 247 transitions. [2021-11-25 18:42:48,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 18:42:48,616 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:42:48,616 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:42:48,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:42:48,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:42:48,833 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:42:48,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:42:48,834 INFO L85 PathProgramCache]: Analyzing trace with hash -868254590, now seen corresponding path program 1 times [2021-11-25 18:42:48,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:42:48,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909190492] [2021-11-25 18:42:48,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:42:48,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:42:48,887 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:42:48,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [673459567] [2021-11-25 18:42:48,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:42:48,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:42:48,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:42:48,898 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:42:48,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:42:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:42:49,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:42:49,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:42:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:42:50,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:42:50,026 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:42:50,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909190492] [2021-11-25 18:42:50,027 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:42:50,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673459567] [2021-11-25 18:42:50,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673459567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:42:50,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:42:50,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:42:50,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561264756] [2021-11-25 18:42:50,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:42:50,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:42:50,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:42:50,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:42:50,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:42:50,030 INFO L87 Difference]: Start difference. First operand 193 states and 247 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:42:51,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:42:51,517 INFO L93 Difference]: Finished difference Result 372 states and 482 transitions. [2021-11-25 18:42:51,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:42:51,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2021-11-25 18:42:51,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:42:51,525 INFO L225 Difference]: With dead ends: 372 [2021-11-25 18:42:51,525 INFO L226 Difference]: Without dead ends: 195 [2021-11-25 18:42:51,526 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 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 18:42:51,527 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 1 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:42:51,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 518 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 18:42:51,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-25 18:42:51,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2021-11-25 18:42:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 168 states have (on average 1.2321428571428572) internal successors, (207), 185 states have internal predecessors, (207), 21 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2021-11-25 18:42:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 250 transitions. [2021-11-25 18:42:51,545 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 250 transitions. Word has length 45 [2021-11-25 18:42:51,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:42:51,545 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 250 transitions. [2021-11-25 18:42:51,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:42:51,546 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 250 transitions. [2021-11-25 18:42:51,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 18:42:51,547 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:42:51,548 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] [2021-11-25 18:42:51,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:42:51,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:42:51,777 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:42:51,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:42:51,777 INFO L85 PathProgramCache]: Analyzing trace with hash -908612650, now seen corresponding path program 1 times [2021-11-25 18:42:51,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:42:51,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945628475] [2021-11-25 18:42:51,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:42:51,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:42:51,839 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:42:51,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [55036363] [2021-11-25 18:42:51,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:42:51,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:42:51,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:42:51,861 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:42:51,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acbdc229-2889-44d9-b9c4-3bb0050cadcd/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:42:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:42:53,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 18:42:53,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:42:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:42:53,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:42:53,480 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:42:53,481 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:42:53,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945628475] [2021-11-25 18:42:53,481 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:42:53,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55036363] [2021-11-25 18:42:53,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55036363] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:42:53,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1366435096] [2021-11-25 18:42:53,502 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2021-11-25 18:42:53,502 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:42:53,507 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:42:53,512 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:42:53,513 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:42:53,608 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 18:42:53,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:53,628 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 18:42:53,628 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 18:42:53,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:53,653 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:42:53,654 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 18:42:53,663 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 15 treesize of output 1 [2021-11-25 18:42:53,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:53,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 18:42:53,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:53,719 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 18:42:53,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:53,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:53,753 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:42:53,754 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 18:42:53,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:53,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:53,803 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:42:53,803 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 18:42:53,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:53,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:42:53,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:53,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:53,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:53,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:53,839 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 18:42:54,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,226 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 18:42:54,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,251 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 18:42:54,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,279 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 18:42:54,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,302 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 18:42:54,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,343 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 18:42:54,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,386 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 18:42:54,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,413 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 18:42:54,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,440 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 18:42:54,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,504 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 18:42:54,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,529 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 18:42:54,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,557 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 18:42:54,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,632 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:42:54,633 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 18:42:54,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,655 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 18:42:54,790 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 18:42:54,794 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 18:42:54,800 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 18:42:54,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 18:42:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:42:54,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 18:42:54,863 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 18:42:54,868 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 18:42:54,873 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 18:42:54,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,934 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 18:42:54,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,953 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 18:42:54,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:54,986 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 18:42:55,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,109 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 18:42:55,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,132 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 18:42:55,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:42:55,152 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 18:43:02,565 WARN L227 SmtUtils]: Spent 7.29s 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 18:43:02,566 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:43:02,566 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 18:43:02,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:15,013 WARN L227 SmtUtils]: Spent 12.29s 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 18:43:15,013 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:43:15,014 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 18:43:15,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:15,514 INFO L244 Elim1Store]: Index analysis took 295 ms [2021-11-25 18:43:27,196 WARN L227 SmtUtils]: Spent 11.39s 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 18:43:27,197 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:43:27,197 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 18:43:27,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:27,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:27,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:27,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:27,811 INFO L244 Elim1Store]: Index analysis took 162 ms [2021-11-25 18:43:28,822 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 18:43:28,823 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 18:43:28,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:29,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:29,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:29,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:29,038 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 18:43:29,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:29,632 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:43:29,633 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 18:43:29,672 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:29,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:30,029 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:43:30,030 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 18:43:30,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:30,187 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:43:30,187 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 46 treesize of output 30 [2021-11-25 18:43:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:30,265 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 46 treesize of output 30 [2021-11-25 18:43:30,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:30,357 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 18:43:30,416 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:30,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:30,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:30,716 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 18:43:30,717 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 38 treesize of output 32 [2021-11-25 18:43:30,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:30,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:30,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:30,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:30,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-25 18:43:31,730 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:31,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:31,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:31,848 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:31,909 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:31,934 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:32,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:32,129 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:32,164 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:32,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:32,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:32,301 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:32,367 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:32,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:32,484 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:32,563 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:32,598 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:32,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:32,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:32,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:32,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:32,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:32,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:32,871 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:43:32,871 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 1 case distinctions, treesize of input 2636 treesize of output 2438 [2021-11-25 18:43:32,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:32,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:32,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:32,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:33,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:33,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:33,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:33,118 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:43:33,118 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 1 case distinctions, treesize of input 2736 treesize of output 2532 [2021-11-25 18:43:33,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:33,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:33,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:33,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:33,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:33,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 18:43:33,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:33,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:33,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:33,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:33,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2715 treesize of output 2339 [2021-11-25 18:43:33,707 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:33,785 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:33,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:33,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:33,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:33,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:33,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 18:43:34,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:34,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:34,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:34,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:34,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:34,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2715 treesize of output 2339 [2021-11-25 18:43:34,149 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:34,209 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:34,631 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:34,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:34,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:34,775 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:34,852 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:34,887 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:34,955 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:35,019 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:35,093 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:35,148 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:35,187 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:35,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:35,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:35,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:35,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:35,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2683 treesize of output 2245 [2021-11-25 18:43:35,737 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:35,765 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:35,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:35,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:35,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:35,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:35,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2783 treesize of output 2339 [2021-11-25 18:43:36,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:36,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:36,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:36,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:36,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:36,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:36,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:36,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:36,206 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-11-25 18:43:36,218 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 18:43:36,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 18:43:36,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:36,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:36,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:36,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:36,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:36,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:36,501 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-11-25 18:43:36,621 INFO L354 Elim1Store]: treesize reduction 55, result has 22.5 percent of original size [2021-11-25 18:43:36,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2704 treesize of output 2264 [2021-11-25 18:43:36,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:36,830 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:36,860 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:36,881 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:37,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:37,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:37,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:37,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:37,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:37,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:37,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:37,218 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 18:43:37,218 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 1 case distinctions, treesize of input 2792 treesize of output 2342 [2021-11-25 18:43:37,260 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:37,286 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:37,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:37,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:37,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:37,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:37,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:37,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:37,461 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 18:43:37,462 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 1 case distinctions, treesize of input 2692 treesize of output 2248 [2021-11-25 18:43:37,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:37,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:37,772 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-11-25 18:43:38,719 INFO L354 Elim1Store]: treesize reduction 1186, result has 34.9 percent of original size [2021-11-25 18:43:38,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2713 treesize of output 2887 [2021-11-25 18:43:38,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:39,066 INFO L244 Elim1Store]: Index analysis took 169 ms [2021-11-25 18:43:40,635 INFO L354 Elim1Store]: treesize reduction 1185, result has 36.7 percent of original size [2021-11-25 18:43:40,635 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 2813 treesize of output 3032 [2021-11-25 18:43:41,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:41,048 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:41,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:41,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:41,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:41,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:41,916 INFO L354 Elim1Store]: treesize reduction 793, result has 32.0 percent of original size [2021-11-25 18:43:41,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2792 treesize of output 2716 [2021-11-25 18:43:41,985 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:42,024 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:42,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:42,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:42,454 INFO L354 Elim1Store]: treesize reduction 793, result has 31.7 percent of original size [2021-11-25 18:43:42,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2692 treesize of output 2616 [2021-11-25 18:43:42,976 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:43,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:43,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:43,104 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:43,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:43,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:43,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:43,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:43,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:43,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:43,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:43,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:43,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:43,367 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 18:43:43,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 18:43:43,440 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:43,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:43,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:43,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:43,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:43,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:43,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:43,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2704 treesize of output 2248 [2021-11-25 18:43:43,782 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:43,845 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:43,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:43,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:44,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:44,080 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:44,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:44,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:44,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:44,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:44,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:44,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:44,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:44,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:44,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 18:43:44,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:44,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:44,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:43:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:44,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:44,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:44,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:44,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2704 treesize of output 2248 [2021-11-25 18:43:44,483 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:44,536 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:46,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:46,169 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-11-25 18:43:46,410 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 18:43:46,410 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 18:43:47,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:47,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:47,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:43:47,676 INFO L244 Elim1Store]: Index analysis took 165 ms [2021-11-25 18:43:51,506 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 18:43:51,507 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 78023 treesize of output 79003