./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c8bfc4504f1d1d767281638f115bf6ca8337de4769381189ae1d6a9b301298b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:31:30,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:31:30,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:31:30,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:31:30,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:31:30,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:31:30,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:31:30,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:31:30,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:31:30,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:31:30,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:31:30,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:31:30,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:31:30,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:31:30,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:31:30,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:31:30,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:31:30,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:31:30,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:31:30,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:31:30,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:31:30,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:31:30,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:31:30,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:31:30,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:31:30,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:31:30,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:31:30,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:31:30,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:31:30,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:31:30,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:31:30,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:31:30,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:31:30,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:31:30,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:31:30,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:31:30,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:31:30,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:31:30,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:31:30,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:31:30,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:31:30,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:31:30,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:31:30,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:31:30,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:31:30,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:31:30,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:31:30,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:31:30,735 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:31:30,735 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:31:30,736 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:31:30,736 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:31:30,737 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:31:30,737 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:31:30,738 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:31:30,738 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:31:30,738 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:31:30,738 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:31:30,739 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:31:30,739 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:31:30,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:31:30,740 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:31:30,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:31:30,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:31:30,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:31:30,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:31:30,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:31:30,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:31:30,743 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:31:30,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:31:30,744 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:31:30,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:31:30,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:31:30,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:31:30,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:31:30,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:31:30,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:31:30,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:31:30,746 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:31:30,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:31:30,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:31:30,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:31:30,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:31:30,747 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_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c8bfc4504f1d1d767281638f115bf6ca8337de4769381189ae1d6a9b301298b [2021-11-23 03:31:31,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:31:31,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:31:31,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:31:31,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:31:31,067 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:31:31,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i [2021-11-23 03:31:31,135 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/data/115350349/c190d2ab00f44bea8d59cd1363a73f2b/FLAG292bd1918 [2021-11-23 03:31:31,829 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:31:31,830 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i [2021-11-23 03:31:31,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/data/115350349/c190d2ab00f44bea8d59cd1363a73f2b/FLAG292bd1918 [2021-11-23 03:31:32,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/data/115350349/c190d2ab00f44bea8d59cd1363a73f2b [2021-11-23 03:31:32,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:31:32,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:31:32,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:31:32,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:31:32,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:31:32,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:32" (1/1) ... [2021-11-23 03:31:32,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240191d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32, skipping insertion in model container [2021-11-23 03:31:32,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:32" (1/1) ... [2021-11-23 03:31:32,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:31:32,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:31:32,572 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_679b2655-c951-4bab-8e5e-e5fca012ee87/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i[33021,33034] [2021-11-23 03:31:32,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:31:32,770 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:31:32,803 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_679b2655-c951-4bab-8e5e-e5fca012ee87/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i[33021,33034] [2021-11-23 03:31:32,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:31:32,941 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:31:32,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32 WrapperNode [2021-11-23 03:31:32,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:31:32,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:31:32,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:31:32,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:31:32,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32" (1/1) ... [2021-11-23 03:31:32,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32" (1/1) ... [2021-11-23 03:31:33,092 INFO L137 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1308 [2021-11-23 03:31:33,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:31:33,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:31:33,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:31:33,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:31:33,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32" (1/1) ... [2021-11-23 03:31:33,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32" (1/1) ... [2021-11-23 03:31:33,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32" (1/1) ... [2021-11-23 03:31:33,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32" (1/1) ... [2021-11-23 03:31:33,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32" (1/1) ... [2021-11-23 03:31:33,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32" (1/1) ... [2021-11-23 03:31:33,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32" (1/1) ... [2021-11-23 03:31:33,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:31:33,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:31:33,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:31:33,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:31:33,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32" (1/1) ... [2021-11-23 03:31:33,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:31:33,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:31:33,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:31:33,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:31:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:31:33,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 03:31:33,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 03:31:33,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:31:33,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:31:33,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:31:33,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:31:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:31:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:31:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:31:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:31:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:31:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:31:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:31:33,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:31:33,740 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:31:33,741 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:31:35,233 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:31:35,814 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:31:35,814 INFO L301 CfgBuilder]: Removed 69 assume(true) statements. [2021-11-23 03:31:35,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:31:35 BoogieIcfgContainer [2021-11-23 03:31:35,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:31:35,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:31:35,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:31:35,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:31:35,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:31:32" (1/3) ... [2021-11-23 03:31:35,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5358fc17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:31:35, skipping insertion in model container [2021-11-23 03:31:35,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32" (2/3) ... [2021-11-23 03:31:35,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5358fc17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:31:35, skipping insertion in model container [2021-11-23 03:31:35,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:31:35" (3/3) ... [2021-11-23 03:31:35,830 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-2.i [2021-11-23 03:31:35,837 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:31:35,837 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:31:35,912 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:31:35,930 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 [2021-11-23 03:31:35,939 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:31:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 03:31:35,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 03:31:35,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:31:35,976 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:31:35,977 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:31:35,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:31:35,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1510987453, now seen corresponding path program 1 times [2021-11-23 03:31:35,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:31:35,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130417313] [2021-11-23 03:31:35,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:31:35,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:31:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:31:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:31:36,190 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:31:36,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130417313] [2021-11-23 03:31:36,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130417313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:31:36,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:31:36,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:31:36,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970517929] [2021-11-23 03:31:36,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:31:36,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:31:36,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:31:36,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:31:36,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:31:36,242 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:31:38,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:31:38,471 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2021-11-23 03:31:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:31:38,488 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 [2021-11-23 03:31:38,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:31:38,501 INFO L225 Difference]: With dead ends: 375 [2021-11-23 03:31:38,501 INFO L226 Difference]: Without dead ends: 220 [2021-11-23 03:31:38,507 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 [2021-11-23 03:31:38,511 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 97 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:31:38,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-23 03:31:38,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-23 03:31:38,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-23 03:31:38,598 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) [2021-11-23 03:31:38,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-23 03:31:38,613 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-23 03:31:38,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:31:38,614 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-23 03:31:38,615 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) [2021-11-23 03:31:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-23 03:31:38,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 03:31:38,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:31:38,622 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] [2021-11-23 03:31:38,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:31:38,624 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:31:38,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:31:38,626 INFO L85 PathProgramCache]: Analyzing trace with hash -660444059, now seen corresponding path program 1 times [2021-11-23 03:31:38,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:31:38,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824218864] [2021-11-23 03:31:38,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:31:38,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:31:38,683 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:31:38,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114484087] [2021-11-23 03:31:38,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:31:38,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:31:38,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:31:38,688 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:31:38,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 03:31:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:31:39,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:31:39,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:31:39,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:31:39,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:31:39,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:31:39,520 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:31:39,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824218864] [2021-11-23 03:31:39,521 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:31:39,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114484087] [2021-11-23 03:31:39,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114484087] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:31:39,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [81570556] [2021-11-23 03:31:39,567 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-23 03:31:39,571 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:31:39,577 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:31:39,585 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:31:39,587 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:31:39,857 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:31:39,858 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 [2021-11-23 03:31:39,875 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 [2021-11-23 03:31:39,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:39,902 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 [2021-11-23 03:31:39,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:39,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:31:39,916 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 [2021-11-23 03:31:39,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:39,942 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 [2021-11-23 03:31:40,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:31:40,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 03:31:40,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-23 03:31:40,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:31:40,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:31:40,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,557 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 03:31:40,558 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 [2021-11-23 03:31:40,593 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 03:31:40,593 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 [2021-11-23 03:31:40,637 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:31:40,637 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 [2021-11-23 03:31:40,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,657 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 [2021-11-23 03:31:40,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,672 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 [2021-11-23 03:31:40,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:40,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 03:31:40,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:41,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:41,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:41,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:41,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:41,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:41,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:41,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-23 03:31:41,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:41,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:41,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:41,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:31:41,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:41,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:41,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:41,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:31:41,059 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:31:42,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [81570556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:31:42,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 03:31:42,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-23 03:31:42,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562567345] [2021-11-23 03:31:42,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:31:42,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 03:31:42,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:31:42,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 03:31:42,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:31:42,085 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) [2021-11-23 03:31:46,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:31:46,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:31:46,278 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-23 03:31:46,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 03:31:46,279 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 [2021-11-23 03:31:46,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:31:46,281 INFO L225 Difference]: With dead ends: 265 [2021-11-23 03:31:46,281 INFO L226 Difference]: Without dead ends: 140 [2021-11-23 03:31:46,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 142 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-23 03:31:46,284 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:31:46,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 143 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2021-11-23 03:31:46,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-23 03:31:46,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-23 03:31:46,300 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) [2021-11-23 03:31:46,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-23 03:31:46,302 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-23 03:31:46,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:31:46,302 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-23 03:31:46,302 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) [2021-11-23 03:31:46,303 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-23 03:31:46,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 03:31:46,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:31:46,306 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] [2021-11-23 03:31:46,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:31:46,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-23 03:31:46,526 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:31:46,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:31:46,526 INFO L85 PathProgramCache]: Analyzing trace with hash -2080398640, now seen corresponding path program 1 times [2021-11-23 03:31:46,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:31:46,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777410171] [2021-11-23 03:31:46,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:31:46,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:31:46,547 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:31:46,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [70945624] [2021-11-23 03:31:46,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:31:46,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:31:46,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:31:46,549 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:31:46,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 03:31:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:31:46,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:31:46,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:31:47,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:31:47,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:31:47,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 03:31:47,186 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:31:47,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777410171] [2021-11-23 03:31:47,187 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:31:47,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70945624] [2021-11-23 03:31:47,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70945624] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:31:47,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1337425387] [2021-11-23 03:31:47,191 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-23 03:31:47,192 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:31:47,192 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:31:47,193 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:31:47,193 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:31:47,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,345 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 [2021-11-23 03:31:47,390 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 03:31:47,390 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 [2021-11-23 03:31:47,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,406 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 [2021-11-23 03:31:47,446 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:31:47,446 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 [2021-11-23 03:31:47,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:31:47,460 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 [2021-11-23 03:31:47,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:31:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 03:31:47,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-23 03:31:47,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:31:47,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:31:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:31:47,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-23 03:31:47,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 03:31:47,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 03:31:47,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 03:31:47,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:47,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-23 03:31:48,044 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 03:31:48,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 125 [2021-11-23 03:31:48,105 INFO L354 Elim1Store]: treesize reduction 160, result has 11.6 percent of original size [2021-11-23 03:31:48,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 116 treesize of output 119 [2021-11-23 03:31:48,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,330 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 [2021-11-23 03:31:48,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:31:48,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,348 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 03:31:48,348 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 [2021-11-23 03:31:48,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,364 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 [2021-11-23 03:31:48,400 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:31:48,400 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 [2021-11-23 03:31:48,418 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 [2021-11-23 03:31:48,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:31:48,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:31:48,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 03:31:48,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-23 03:31:48,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:31:48,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:31:48,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-23 03:31:48,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 03:31:48,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 03:31:48,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:48,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-23 03:31:48,990 INFO L354 Elim1Store]: treesize reduction 130, result has 28.2 percent of original size [2021-11-23 03:31:48,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 117 treesize of output 150 [2021-11-23 03:31:49,033 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 03:31:49,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 143 [2021-11-23 03:31:49,343 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 107 for LOIs [2021-11-23 03:31:49,429 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 03:31:51,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1337425387] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:31:51,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-23 03:31:51,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-23 03:31:51,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725022974] [2021-11-23 03:31:51,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:31:51,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 03:31:51,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:31:51,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 03:31:51,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:31:51,328 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) [2021-11-23 03:31:53,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:31:55,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:31:56,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:31:56,510 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-23 03:31:56,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 03:31:56,511 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 [2021-11-23 03:31:56,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:31:56,513 INFO L225 Difference]: With dead ends: 267 [2021-11-23 03:31:56,513 INFO L226 Difference]: Without dead ends: 142 [2021-11-23 03:31:56,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 174 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-23 03:31:56,515 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:31:56,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 465 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 77 Unchecked, 5.2s Time] [2021-11-23 03:31:56,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-23 03:31:56,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-23 03:31:56,531 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) [2021-11-23 03:31:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-23 03:31:56,532 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-23 03:31:56,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:31:56,533 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-23 03:31:56,533 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) [2021-11-23 03:31:56,533 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-23 03:31:56,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 03:31:56,536 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:31:56,536 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] [2021-11-23 03:31:56,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:31:56,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:31:56,762 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:31:56,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:31:56,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535782, now seen corresponding path program 1 times [2021-11-23 03:31:56,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:31:56,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984749000] [2021-11-23 03:31:56,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:31:56,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:31:56,782 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 03:31:56,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2107337757] [2021-11-23 03:31:56,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:31:56,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 03:31:56,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:31:56,784 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 03:31:56,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679b2655-c951-4bab-8e5e-e5fca012ee87/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 03:31:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:31:57,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 03:31:57,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:31:57,231 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 03:31:57,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:31:57,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 03:31:57,390 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:31:57,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984749000] [2021-11-23 03:31:57,390 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 03:31:57,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107337757] [2021-11-23 03:31:57,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107337757] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 03:31:57,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1575201999] [2021-11-23 03:31:57,395 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-23 03:31:57,395 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 03:31:57,396 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 03:31:57,396 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 03:31:57,396 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 03:31:57,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,490 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 [2021-11-23 03:31:57,524 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 03:31:57,525 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 [2021-11-23 03:31:57,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,539 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 [2021-11-23 03:31:57,546 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 [2021-11-23 03:31:57,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 03:31:57,556 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 [2021-11-23 03:31:57,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:31:57,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 03:31:57,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 03:31:57,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 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 [2021-11-23 03:31:57,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:31:57,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 03:31:57,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-23 03:31:57,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:57,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 03:31:57,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 03:31:58,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 03:31:58,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-23 03:31:58,132 INFO L354 Elim1Store]: treesize reduction 130, result has 28.2 percent of original size [2021-11-23 03:31:58,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 117 treesize of output 150 [2021-11-23 03:31:58,178 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 03:31:58,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 143 [2021-11-23 03:31:58,265 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 [2021-11-23 03:31:58,269 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 [2021-11-23 03:31:58,274 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 [2021-11-23 03:31:58,311 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:31:58,311 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 [2021-11-23 03:31:58,339 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 03:31:58,339 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 [2021-11-23 03:31:58,364 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 03:31:58,365 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 [2021-11-23 03:31:58,400 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 [2021-11-23 03:31:58,406 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 [2021-11-23 03:31:58,411 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 [2021-11-23 03:31:58,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 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 [2021-11-23 03:31:58,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 03:31:58,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:31:58,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 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 [2021-11-23 03:31:58,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 03:31:58,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:31:58,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 03:32:06,250 WARN L227 SmtUtils]: Spent 7.44s 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) [2021-11-23 03:32:06,250 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 03:32:06,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2853 treesize of output 2330 [2021-11-23 03:32:06,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:32:17,196 WARN L227 SmtUtils]: Spent 10.90s 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) [2021-11-23 03:32:17,196 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 03:32:17,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2954 treesize of output 2672 [2021-11-23 03:32:27,375 WARN L227 SmtUtils]: Spent 10.07s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 03:32:27,376 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 03:32:27,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2922 treesize of output 2692 [2021-11-23 03:32:28,545 INFO L354 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2021-11-23 03:32:28,546 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 7 case distinctions, treesize of input 25960 treesize of output 25971 [2021-11-23 03:32:29,089 INFO L354 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2021-11-23 03:32:29,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 25959 treesize of output 25971 [2021-11-23 03:32:29,675 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 03:32:29,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:32:29,866 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 03:32:29,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 03:32:30,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 03:32:30,235 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:32:30,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61