./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P --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 f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:35:44,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:35:44,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:35:44,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:35:44,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:35:44,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:35:44,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:35:44,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:35:44,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:35:44,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:35:44,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:35:44,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:35:44,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:35:44,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:35:44,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:35:44,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:35:44,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:35:44,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:35:44,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:35:44,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:35:44,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:35:44,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:35:44,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:35:44,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:35:44,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:35:44,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:35:44,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:35:44,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:35:44,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:35:44,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:35:44,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:35:44,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:35:44,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:35:44,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:35:44,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:35:44,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:35:44,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:35:44,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:35:44,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:35:44,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:35:44,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:35:44,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:35:44,821 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:35:44,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:35:44,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:35:44,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:35:44,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:35:44,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:35:44,826 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:35:44,827 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:35:44,827 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:35:44,827 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:35:44,827 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:35:44,827 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:35:44,828 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:35:44,828 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:35:44,828 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:35:44,828 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:35:44,828 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:35:44,829 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:35:44,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:35:44,829 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:35:44,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:35:44,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:35:44,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:35:44,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:35:44,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:35:44,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:35:44,831 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:35:44,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:35:44,835 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:35:44,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:35:44,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:35:44,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:35:44,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:44,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:35:44,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:35:44,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:35:44,838 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:35:44,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:35:44,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:35:44,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:35:44,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:35:44,839 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_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee [2021-11-20 23:35:45,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:35:45,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:35:45,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:35:45,128 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:35:45,128 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:35:45,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2021-11-20 23:35:45,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/data/448ee2412/281af8b3f1bf4774840605709e7fb4fa/FLAG16fabab6e [2021-11-20 23:35:45,854 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:35:45,857 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2021-11-20 23:35:45,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/data/448ee2412/281af8b3f1bf4774840605709e7fb4fa/FLAG16fabab6e [2021-11-20 23:35:46,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/data/448ee2412/281af8b3f1bf4774840605709e7fb4fa [2021-11-20 23:35:46,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:35:46,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:35:46,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:46,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:35:46,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:35:46,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:46" (1/1) ... [2021-11-20 23:35:46,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196f0c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:46, skipping insertion in model container [2021-11-20 23:35:46,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:46" (1/1) ... [2021-11-20 23:35:46,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:35:46,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:35:46,725 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_669793d7-4274-4043-b378-e752dc92e4d3/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i[33021,33034] [2021-11-20 23:35:46,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:46,957 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:35:46,991 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_669793d7-4274-4043-b378-e752dc92e4d3/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i[33021,33034] [2021-11-20 23:35:47,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:47,149 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:35:47,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:47 WrapperNode [2021-11-20 23:35:47,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:47,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:47,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:35:47,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:35:47,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:47" (1/1) ... [2021-11-20 23:35:47,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:47" (1/1) ... [2021-11-20 23:35:47,323 INFO L137 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1445 [2021-11-20 23:35:47,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:47,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:35:47,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:35:47,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:35:47,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:47" (1/1) ... [2021-11-20 23:35:47,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:47" (1/1) ... [2021-11-20 23:35:47,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:47" (1/1) ... [2021-11-20 23:35:47,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:47" (1/1) ... [2021-11-20 23:35:47,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:47" (1/1) ... [2021-11-20 23:35:47,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:47" (1/1) ... [2021-11-20 23:35:47,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:47" (1/1) ... [2021-11-20 23:35:47,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:35:47,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:35:47,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:35:47,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:35:47,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:47" (1/1) ... [2021-11-20 23:35:47,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:47,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:47,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:35:47,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:35:47,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:35:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:35:47,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:35:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:35:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:35:47,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:35:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:35:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:35:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:35:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:35:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:35:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:35:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:35:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:35:47,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:35:48,032 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:35:48,034 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:35:49,400 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:35:49,844 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:35:49,845 INFO L301 CfgBuilder]: Removed 77 assume(true) statements. [2021-11-20 23:35:49,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:49 BoogieIcfgContainer [2021-11-20 23:35:49,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:35:49,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:35:49,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:35:49,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:35:49,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:35:46" (1/3) ... [2021-11-20 23:35:49,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8ac87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:49, skipping insertion in model container [2021-11-20 23:35:49,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:47" (2/3) ... [2021-11-20 23:35:49,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8ac87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:49, skipping insertion in model container [2021-11-20 23:35:49,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:49" (3/3) ... [2021-11-20 23:35:49,856 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-3.i [2021-11-20 23:35:49,862 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:35:49,862 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:35:49,909 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:35:49,916 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 [2021-11-20 23:35:49,916 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:35:49,936 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 23:35:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-20 23:35:49,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:49,943 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:49,944 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:49,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:49,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1783625313, now seen corresponding path program 1 times [2021-11-20 23:35:49,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:49,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823716795] [2021-11-20 23:35:49,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:49,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:50,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:50,115 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:50,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823716795] [2021-11-20 23:35:50,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823716795] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:50,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:50,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:35:50,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875006481] [2021-11-20 23:35:50,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:50,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:35:50,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:50,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:35:50,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:35:50,163 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:52,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:52,465 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2021-11-20 23:35:52,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:35:52,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-20 23:35:52,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:52,487 INFO L225 Difference]: With dead ends: 399 [2021-11-20 23:35:52,488 INFO L226 Difference]: Without dead ends: 220 [2021-11-20 23:35:52,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:35:52,496 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 97 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:52,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 344 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 23:35:52,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-20 23:35:52,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-20 23:35:52,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 23:35:52,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-20 23:35:52,553 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-20 23:35:52,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:52,553 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-20 23:35:52,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:35:52,554 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-20 23:35:52,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-20 23:35:52,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:52,558 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:52,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:35:52,559 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:52,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:52,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1011489585, now seen corresponding path program 1 times [2021-11-20 23:35:52,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:52,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958304128] [2021-11-20 23:35:52,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:52,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:52,587 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:52,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1932445841] [2021-11-20 23:35:52,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:52,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:52,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:52,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:52,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:35:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:52,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:35:52,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:53,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:53,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:35:53,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:53,265 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:53,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958304128] [2021-11-20 23:35:53,266 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:53,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932445841] [2021-11-20 23:35:53,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932445841] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:35:53,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2075081001] [2021-11-20 23:35:53,308 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-20 23:35:53,312 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:35:53,317 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:35:53,323 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:35:53,324 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:35:53,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:53,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:35:53,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:53,641 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:35:53,644 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 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-20 23:35:53,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:53,712 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 [2021-11-20 23:35:53,752 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 23:35:53,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-20 23:35:53,830 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:35:53,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 23:35:53,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:53,877 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 [2021-11-20 23:35:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:35:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:35:55,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:35:55,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:35:55,454 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 23:35:55,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-20 23:35:55,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:35:55,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,551 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:35:55,551 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 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-20 23:35:55,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,587 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 [2021-11-20 23:35:55,637 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:35:55,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 23:35:55,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:55,676 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 [2021-11-20 23:35:56,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:35:56,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:35:56,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:35:56,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:35:56,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:35:56,991 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:35:57,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2075081001] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:57,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:35:57,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-20 23:35:57,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8158828] [2021-11-20 23:35:57,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:57,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 23:35:57,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:57,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 23:35:57,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:35:57,583 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:36:01,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:01,424 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-20 23:36:01,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:36:01,424 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-20 23:36:01,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:01,426 INFO L225 Difference]: With dead ends: 265 [2021-11-20 23:36:01,426 INFO L226 Difference]: Without dead ends: 140 [2021-11-20 23:36:01,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:36:01,428 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 12 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:01,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 371 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-20 23:36:01,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-20 23:36:01,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-20 23:36:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-20 23:36:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-20 23:36:01,447 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-20 23:36:01,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:01,447 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-20 23:36:01,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:36:01,448 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-20 23:36:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-20 23:36:01,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:01,451 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:36:01,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:36:01,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:36:01,652 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:36:01,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:01,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1235485580, now seen corresponding path program 1 times [2021-11-20 23:36:01,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:36:01,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387392560] [2021-11-20 23:36:01,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:01,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:36:01,686 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:36:01,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1337103363] [2021-11-20 23:36:01,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:01,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:36:01,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:36:01,688 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:36:01,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:36:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:01,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:36:02,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:02,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:36:02,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:36:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:36:02,412 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:36:02,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387392560] [2021-11-20 23:36:02,412 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:36:02,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337103363] [2021-11-20 23:36:02,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337103363] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:36:02,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [820908167] [2021-11-20 23:36:02,418 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-20 23:36:02,418 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:36:02,419 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:36:02,420 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:36:02,420 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:36:02,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:02,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,652 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:36:02,653 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 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-20 23:36:02,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,700 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 [2021-11-20 23:36:02,737 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 23:36:02,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-20 23:36:02,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:02,777 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 [2021-11-20 23:36:02,823 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:36:02,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 23:36:03,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:36:03,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:36:03,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:03,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:36:04,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:36:04,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:36:04,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:36:04,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-20 23:36:04,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:36:04,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,376 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:36:04,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:36:04,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-20 23:36:04,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,533 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-20 23:36:04,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-20 23:36:04,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,590 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-20 23:36:04,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-20 23:36:04,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:36:05,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,541 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 [2021-11-20 23:36:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 23:36:05,617 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:36:05,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 23:36:05,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 23:36:05,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:05,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:05,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-20 23:36:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:36:07,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:36:07,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:36:07,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:36:07,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:36:07,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:36:07,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-20 23:36:07,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:36:07,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-20 23:36:07,604 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-20 23:36:07,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-20 23:36:07,664 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-20 23:36:07,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-20 23:36:07,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:36:07,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:07,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:36:08,761 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-20 23:36:09,076 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:36:10,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [820908167] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:10,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:36:10,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-20 23:36:10,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305380586] [2021-11-20 23:36:10,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:10,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 23:36:10,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:36:10,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 23:36:10,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-20 23:36:10,357 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:36:14,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:36:19,424 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:36:21,202 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:36:22,706 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:36:22,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:22,742 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-20 23:36:22,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 23:36:22,742 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-20 23:36:22,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:22,745 INFO L225 Difference]: With dead ends: 267 [2021-11-20 23:36:22,745 INFO L226 Difference]: Without dead ends: 142 [2021-11-20 23:36:22,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-20 23:36:22,747 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 7 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 80 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:22,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 765 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 310 Invalid, 0 Unknown, 80 Unchecked, 12.3s Time] [2021-11-20 23:36:22,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-20 23:36:22,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-20 23:36:22,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-20 23:36:22,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-20 23:36:22,769 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-20 23:36:22,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:22,769 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-20 23:36:22,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:36:22,770 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-20 23:36:22,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-20 23:36:22,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:22,773 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:36:22,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 23:36:22,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:36:22,987 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:36:22,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:22,988 INFO L85 PathProgramCache]: Analyzing trace with hash -662703022, now seen corresponding path program 1 times [2021-11-20 23:36:22,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:36:22,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956694171] [2021-11-20 23:36:22,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:22,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:36:23,019 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:36:23,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1833478341] [2021-11-20 23:36:23,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:23,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:36:23,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:36:23,044 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:36:23,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_669793d7-4274-4043-b378-e752dc92e4d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:36:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:23,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:36:23,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 23:36:23,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:36:23,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 23:36:23,674 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:36:23,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956694171] [2021-11-20 23:36:23,675 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:36:23,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833478341] [2021-11-20 23:36:23,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833478341] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:36:23,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1163736] [2021-11-20 23:36:23,680 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-20 23:36:23,680 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:36:23,681 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:36:23,681 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:36:23,681 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:36:23,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:23,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:23,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:23,873 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:36:23,873 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 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-20 23:36:23,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:23,912 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 [2021-11-20 23:36:23,976 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 23:36:23,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-20 23:36:24,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:24,011 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 [2021-11-20 23:36:24,051 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:36:24,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-20 23:36:25,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:36:25,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-20 23:36:25,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:36:25,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:36:25,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:36:25,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-20 23:36:25,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:36:25,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:36:25,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,720 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:36:25,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:36:25,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:36:25,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-20 23:36:25,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:25,959 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-20 23:36:25,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-20 23:36:25,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,010 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-20 23:36:26,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-20 23:36:26,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 23:36:26,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 23:36:26,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 23:36:26,585 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 23:36:26,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-20 23:36:26,617 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:36:26,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-20 23:36:26,646 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:36:26,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-20 23:36:26,774 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 [2021-11-20 23:36:26,783 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 [2021-11-20 23:36:26,794 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 14 treesize of output 10 [2021-11-20 23:36:26,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 23:36:26,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:26,913 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 68 treesize of output 26 [2021-11-20 23:36:27,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,050 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 46 treesize of output 16 [2021-11-20 23:36:27,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,344 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 68 treesize of output 26 [2021-11-20 23:36:27,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 23:36:27,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:27,499 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 46 treesize of output 16 [2021-11-20 23:36:38,024 WARN L227 SmtUtils]: Spent 10.35s 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) [2021-11-20 23:36:38,025 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:36:38,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-20 23:36:38,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:51,224 WARN L227 SmtUtils]: Spent 13.13s 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) [2021-11-20 23:36:51,225 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:36:51,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-20 23:37:05,500 WARN L227 SmtUtils]: Spent 14.16s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:37:05,501 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-20 23:37:05,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2842 treesize of output 2672 [2021-11-20 23:37:06,708 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-20 23:37:06,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25940 treesize of output 25951 [2021-11-20 23:37:07,639 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-20 23:37:07,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25939 treesize of output 25951 [2021-11-20 23:37:10,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:10,443 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-20 23:37:10,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-20 23:37:11,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,488 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-20 23:37:11,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44