./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9aa86be9eb0317030839433587db2b1c5b5e93d6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:44:44,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:44:44,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:44:44,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:44:44,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:44:44,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:44:44,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:44:44,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:44:44,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:44:44,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:44:44,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:44:44,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:44:44,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:44:44,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:44:44,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:44:44,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:44:44,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:44:44,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:44:44,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:44:44,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:44:44,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:44:44,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:44:44,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:44:44,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:44:44,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:44:44,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:44:44,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:44:44,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:44:44,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:44:44,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:44:44,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:44:44,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:44:44,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:44:44,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:44:44,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:44:44,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:44:44,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:44:44,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:44:44,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:44:44,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:44:44,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:44:44,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:44:45,034 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:44:45,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:44:45,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:44:45,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:44:45,039 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:44:45,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:44:45,040 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:44:45,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:44:45,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:44:45,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:44:45,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:44:45,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:44:45,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:44:45,043 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:44:45,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:44:45,044 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:44:45,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:44:45,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:44:45,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:44:45,045 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:44:45,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:44:45,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:44:45,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:44:45,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:44:45,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:44:45,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:44:45,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:44:45,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:44:45,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:44:45,048 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 9aa86be9eb0317030839433587db2b1c5b5e93d6 [2020-10-20 00:44:45,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:44:45,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:44:45,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:44:45,285 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:44:45,286 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:44:45,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2020-10-20 00:44:45,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/457585e42/983036b6f67a450fbf13fe9df9ee637b/FLAG1f056b23d [2020-10-20 00:44:45,867 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:44:45,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2020-10-20 00:44:45,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/457585e42/983036b6f67a450fbf13fe9df9ee637b/FLAG1f056b23d [2020-10-20 00:44:46,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/457585e42/983036b6f67a450fbf13fe9df9ee637b [2020-10-20 00:44:46,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:44:46,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:44:46,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:44:46,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:44:46,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:44:46,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:44:46" (1/1) ... [2020-10-20 00:44:46,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4459dbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:44:46, skipping insertion in model container [2020-10-20 00:44:46,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:44:46" (1/1) ... [2020-10-20 00:44:46,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:44:46,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:44:46,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:44:46,700 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:44:46,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:44:46,831 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:44:46,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:44:46 WrapperNode [2020-10-20 00:44:46,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:44:46,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:44:46,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:44:46,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:44:46,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:44:46" (1/1) ... [2020-10-20 00:44:46,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:44:46" (1/1) ... [2020-10-20 00:44:46,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:44:46,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:44:46,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:44:46,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:44:46,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:44:46" (1/1) ... [2020-10-20 00:44:46,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:44:46" (1/1) ... [2020-10-20 00:44:46,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:44:46" (1/1) ... [2020-10-20 00:44:46,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:44:46" (1/1) ... [2020-10-20 00:44:46,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:44:46" (1/1) ... [2020-10-20 00:44:46,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:44:46" (1/1) ... [2020-10-20 00:44:46,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:44:46" (1/1) ... [2020-10-20 00:44:46,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:44:46,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:44:46,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:44:46,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:44:46,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:44:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:44:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 00:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 00:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 00:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:44:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:44:47,551 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:44:47,551 INFO L298 CfgBuilder]: Removed 35 assume(true) statements. [2020-10-20 00:44:47,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:44:47 BoogieIcfgContainer [2020-10-20 00:44:47,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:44:47,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:44:47,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:44:47,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:44:47,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:44:46" (1/3) ... [2020-10-20 00:44:47,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3b3f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:44:47, skipping insertion in model container [2020-10-20 00:44:47,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:44:46" (2/3) ... [2020-10-20 00:44:47,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3b3f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:44:47, skipping insertion in model container [2020-10-20 00:44:47,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:44:47" (3/3) ... [2020-10-20 00:44:47,561 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel-1.i [2020-10-20 00:44:47,573 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:44:47,580 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-10-20 00:44:47,593 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-20 00:44:47,614 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:44:47,614 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:44:47,614 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:44:47,615 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:44:47,615 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:44:47,615 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:44:47,615 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:44:47,615 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:44:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-10-20 00:44:47,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-20 00:44:47,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:44:47,637 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:44:47,638 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:44:47,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:44:47,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1889840994, now seen corresponding path program 1 times [2020-10-20 00:44:47,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:44:47,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536452094] [2020-10-20 00:44:47,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:44:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:44:47,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:44:47,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536452094] [2020-10-20 00:44:47,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:44:47,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:44:47,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967617080] [2020-10-20 00:44:47,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:44:47,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:44:47,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:44:47,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:44:47,864 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-10-20 00:44:47,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:44:47,889 INFO L93 Difference]: Finished difference Result 113 states and 185 transitions. [2020-10-20 00:44:47,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:44:47,891 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-10-20 00:44:47,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:44:47,901 INFO L225 Difference]: With dead ends: 113 [2020-10-20 00:44:47,901 INFO L226 Difference]: Without dead ends: 48 [2020-10-20 00:44:47,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:44:47,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-20 00:44:47,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-20 00:44:47,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-20 00:44:47,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2020-10-20 00:44:47,945 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 7 [2020-10-20 00:44:47,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:44:47,945 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2020-10-20 00:44:47,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:44:47,946 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2020-10-20 00:44:47,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-20 00:44:47,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:44:47,947 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:44:47,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:44:47,948 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:44:47,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:44:47,948 INFO L82 PathProgramCache]: Analyzing trace with hash 180153549, now seen corresponding path program 1 times [2020-10-20 00:44:47,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:44:47,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928396699] [2020-10-20 00:44:47,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:44:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:44:48,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:44:48,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928396699] [2020-10-20 00:44:48,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:44:48,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 00:44:48,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971167416] [2020-10-20 00:44:48,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 00:44:48,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:44:48,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 00:44:48,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 00:44:48,101 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 4 states. [2020-10-20 00:44:48,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:44:48,244 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2020-10-20 00:44:48,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 00:44:48,245 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-20 00:44:48,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:44:48,246 INFO L225 Difference]: With dead ends: 54 [2020-10-20 00:44:48,247 INFO L226 Difference]: Without dead ends: 51 [2020-10-20 00:44:48,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:44:48,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-20 00:44:48,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 45. [2020-10-20 00:44:48,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 00:44:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2020-10-20 00:44:48,261 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 8 [2020-10-20 00:44:48,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:44:48,261 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2020-10-20 00:44:48,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 00:44:48,261 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2020-10-20 00:44:48,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 00:44:48,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:44:48,263 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:44:48,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:44:48,264 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:44:48,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:44:48,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1271597613, now seen corresponding path program 1 times [2020-10-20 00:44:48,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:44:48,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446775893] [2020-10-20 00:44:48,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:44:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:44:48,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:44:48,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446775893] [2020-10-20 00:44:48,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:44:48,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 00:44:48,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921616235] [2020-10-20 00:44:48,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 00:44:48,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:44:48,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 00:44:48,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 00:44:48,363 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand 4 states. [2020-10-20 00:44:48,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:44:48,446 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2020-10-20 00:44:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 00:44:48,446 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-20 00:44:48,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:44:48,447 INFO L225 Difference]: With dead ends: 45 [2020-10-20 00:44:48,447 INFO L226 Difference]: Without dead ends: 42 [2020-10-20 00:44:48,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:44:48,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-20 00:44:48,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-20 00:44:48,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-20 00:44:48,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2020-10-20 00:44:48,454 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 9 [2020-10-20 00:44:48,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:44:48,454 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2020-10-20 00:44:48,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 00:44:48,454 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2020-10-20 00:44:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:44:48,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:44:48,455 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:44:48,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 00:44:48,456 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:44:48,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:44:48,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1429982942, now seen corresponding path program 1 times [2020-10-20 00:44:48,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:44:48,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437642560] [2020-10-20 00:44:48,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:44:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:44:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:44:48,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437642560] [2020-10-20 00:44:48,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:44:48,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 00:44:48,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559305305] [2020-10-20 00:44:48,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 00:44:48,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:44:48,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 00:44:48,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:44:48,618 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand 5 states. [2020-10-20 00:44:48,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:44:48,804 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2020-10-20 00:44:48,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 00:44:48,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-20 00:44:48,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:44:48,806 INFO L225 Difference]: With dead ends: 70 [2020-10-20 00:44:48,806 INFO L226 Difference]: Without dead ends: 67 [2020-10-20 00:44:48,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 00:44:48,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-20 00:44:48,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 49. [2020-10-20 00:44:48,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-20 00:44:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2020-10-20 00:44:48,814 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 11 [2020-10-20 00:44:48,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:44:48,815 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2020-10-20 00:44:48,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 00:44:48,815 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2020-10-20 00:44:48,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:44:48,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:44:48,816 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:44:48,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 00:44:48,817 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:44:48,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:44:48,818 INFO L82 PathProgramCache]: Analyzing trace with hash 877619508, now seen corresponding path program 1 times [2020-10-20 00:44:48,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:44:48,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405227595] [2020-10-20 00:44:48,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:44:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:44:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:44:48,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405227595] [2020-10-20 00:44:48,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:44:48,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 00:44:48,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857706933] [2020-10-20 00:44:48,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 00:44:48,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:44:48,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 00:44:48,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 00:44:48,885 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 4 states. [2020-10-20 00:44:49,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:44:49,015 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2020-10-20 00:44:49,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 00:44:49,016 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-20 00:44:49,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:44:49,017 INFO L225 Difference]: With dead ends: 49 [2020-10-20 00:44:49,017 INFO L226 Difference]: Without dead ends: 46 [2020-10-20 00:44:49,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:44:49,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-20 00:44:49,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-10-20 00:44:49,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-20 00:44:49,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2020-10-20 00:44:49,024 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 12 [2020-10-20 00:44:49,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:44:49,024 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2020-10-20 00:44:49,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 00:44:49,025 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2020-10-20 00:44:49,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 00:44:49,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:44:49,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:44:49,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 00:44:49,027 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:44:49,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:44:49,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1589233608, now seen corresponding path program 1 times [2020-10-20 00:44:49,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:44:49,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138327545] [2020-10-20 00:44:49,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:44:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:44:49,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:44:49,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138327545] [2020-10-20 00:44:49,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:44:49,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 00:44:49,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262739869] [2020-10-20 00:44:49,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 00:44:49,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:44:49,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 00:44:49,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 00:44:49,159 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 4 states. [2020-10-20 00:44:49,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:44:49,243 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2020-10-20 00:44:49,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 00:44:49,244 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-20 00:44:49,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:44:49,245 INFO L225 Difference]: With dead ends: 46 [2020-10-20 00:44:49,245 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 00:44:49,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:44:49,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 00:44:49,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 00:44:49,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 00:44:49,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-10-20 00:44:49,255 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 14 [2020-10-20 00:44:49,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:44:49,256 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-10-20 00:44:49,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 00:44:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-10-20 00:44:49,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 00:44:49,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:44:49,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:44:49,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 00:44:49,260 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:44:49,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:44:49,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1249274145, now seen corresponding path program 1 times [2020-10-20 00:44:49,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:44:49,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965488452] [2020-10-20 00:44:49,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:44:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:44:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:44:49,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965488452] [2020-10-20 00:44:49,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:44:49,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 00:44:49,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164486935] [2020-10-20 00:44:49,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 00:44:49,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:44:49,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 00:44:49,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 00:44:49,371 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 5 states. [2020-10-20 00:44:49,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:44:49,509 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2020-10-20 00:44:49,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 00:44:49,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-20 00:44:49,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:44:49,511 INFO L225 Difference]: With dead ends: 60 [2020-10-20 00:44:49,511 INFO L226 Difference]: Without dead ends: 46 [2020-10-20 00:44:49,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-20 00:44:49,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-20 00:44:49,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2020-10-20 00:44:49,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 00:44:49,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2020-10-20 00:44:49,520 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 15 [2020-10-20 00:44:49,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:44:49,521 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2020-10-20 00:44:49,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 00:44:49,521 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2020-10-20 00:44:49,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 00:44:49,522 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:44:49,522 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:44:49,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 00:44:49,524 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:44:49,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:44:49,525 INFO L82 PathProgramCache]: Analyzing trace with hash -967808217, now seen corresponding path program 1 times [2020-10-20 00:44:49,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:44:49,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22042302] [2020-10-20 00:44:49,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:44:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:44:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:44:49,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22042302] [2020-10-20 00:44:49,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321500889] [2020-10-20 00:44:49,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:44:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:44:49,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-20 00:44:49,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:44:49,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:49,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:49,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:49,822 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2020-10-20 00:44:49,823 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:49,834 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:49,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:49,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:49,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:49,843 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2020-10-20 00:44:49,843 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:49,852 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:49,853 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:44:49,853 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:55, output treesize:33 [2020-10-20 00:44:49,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:49,934 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2020-10-20 00:44:49,936 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:49,945 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:49,949 INFO L350 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2020-10-20 00:44:49,950 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2020-10-20 00:44:49,951 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:49,956 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:49,956 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:44:49,957 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:47, output treesize:7 [2020-10-20 00:44:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:44:49,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 00:44:49,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-10-20 00:44:49,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353190805] [2020-10-20 00:44:49,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 00:44:49,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:44:49,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 00:44:49,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 00:44:49,962 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 7 states. [2020-10-20 00:44:50,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:44:50,155 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2020-10-20 00:44:50,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 00:44:50,155 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-20 00:44:50,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:44:50,156 INFO L225 Difference]: With dead ends: 64 [2020-10-20 00:44:50,156 INFO L226 Difference]: Without dead ends: 40 [2020-10-20 00:44:50,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-20 00:44:50,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-20 00:44:50,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-20 00:44:50,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-20 00:44:50,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2020-10-20 00:44:50,161 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 18 [2020-10-20 00:44:50,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:44:50,162 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2020-10-20 00:44:50,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 00:44:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2020-10-20 00:44:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 00:44:50,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:44:50,163 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:44:50,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-10-20 00:44:50,376 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:44:50,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:44:50,377 INFO L82 PathProgramCache]: Analyzing trace with hash -2020802177, now seen corresponding path program 1 times [2020-10-20 00:44:50,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:44:50,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396850651] [2020-10-20 00:44:50,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:44:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:44:50,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:44:50,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396850651] [2020-10-20 00:44:50,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940436298] [2020-10-20 00:44:50,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:44:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:44:50,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2020-10-20 00:44:50,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:44:50,736 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-10-20 00:44:50,736 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 11 [2020-10-20 00:44:50,737 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:50,747 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:50,752 INFO L384 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 [2020-10-20 00:44:50,753 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:50,762 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:50,764 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:44:50,764 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:26 [2020-10-20 00:44:50,936 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:50,936 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-10-20 00:44:50,937 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:51,025 INFO L625 ElimStorePlain]: treesize reduction 14, result has 88.6 percent of original size [2020-10-20 00:44:51,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:51,057 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-10-20 00:44:51,058 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:51,089 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:51,098 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:44:51,122 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:51,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:51,130 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:44:51,152 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:51,152 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 48 [2020-10-20 00:44:51,153 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:51,201 INFO L625 ElimStorePlain]: treesize reduction 20, result has 78.9 percent of original size [2020-10-20 00:44:51,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:51,211 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:51,257 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:51,273 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:44:51,273 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:111, output treesize:24 [2020-10-20 00:44:51,388 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:51,389 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-10-20 00:44:51,390 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:51,444 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:51,446 INFO L441 ElimStorePlain]: Different costs {2=[|v_#memory_int_40|, |v_#memory_$Pointer$.base_28|, |v_#memory_int_38|, |v_#memory_int_39|], 4=[|v_#memory_int_42|]} [2020-10-20 00:44:51,450 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:44:51,500 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:51,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:51,505 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:51,550 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:51,554 INFO L545 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:44:51,591 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:51,595 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:44:51,613 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:51,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:51,695 INFO L350 Elim1Store]: treesize reduction 65, result has 46.7 percent of original size [2020-10-20 00:44:51,695 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 85 [2020-10-20 00:44:51,697 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:51,760 INFO L625 ElimStorePlain]: treesize reduction 18, result has 80.9 percent of original size [2020-10-20 00:44:51,782 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 5 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-20 00:44:51,783 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 11 variables, input treesize:246, output treesize:40 [2020-10-20 00:44:52,042 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 13 [2020-10-20 00:44:52,043 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:52,049 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:52,051 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:44:52,051 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:49, output treesize:3 [2020-10-20 00:44:52,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:44:52,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 00:44:52,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-10-20 00:44:52,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310187770] [2020-10-20 00:44:52,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-20 00:44:52,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:44:52,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-20 00:44:52,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-20 00:44:52,060 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 10 states. [2020-10-20 00:44:58,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:44:58,588 INFO L93 Difference]: Finished difference Result 74 states and 80 transitions. [2020-10-20 00:44:58,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 00:44:58,588 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2020-10-20 00:44:58,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:44:58,589 INFO L225 Difference]: With dead ends: 74 [2020-10-20 00:44:58,590 INFO L226 Difference]: Without dead ends: 71 [2020-10-20 00:44:58,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-20 00:44:58,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-20 00:44:58,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 37. [2020-10-20 00:44:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-20 00:44:58,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2020-10-20 00:44:58,595 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 22 [2020-10-20 00:44:58,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:44:58,595 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2020-10-20 00:44:58,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-20 00:44:58,596 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2020-10-20 00:44:58,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-20 00:44:58,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:44:58,597 INFO L422 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] [2020-10-20 00:44:58,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:44:58,797 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:44:58,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:44:58,798 INFO L82 PathProgramCache]: Analyzing trace with hash 701163562, now seen corresponding path program 1 times [2020-10-20 00:44:58,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:44:58,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236459427] [2020-10-20 00:44:58,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:44:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:44:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:44:59,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236459427] [2020-10-20 00:44:59,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904170025] [2020-10-20 00:44:59,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:44:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:44:59,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 56 conjunts are in the unsatisfiable core [2020-10-20 00:44:59,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:44:59,149 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-10-20 00:44:59,149 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 11 [2020-10-20 00:44:59,149 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:59,170 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:59,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:59,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:59,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:59,180 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2020-10-20 00:44:59,180 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:59,200 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:59,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:59,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:59,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:59,208 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2020-10-20 00:44:59,208 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:59,229 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:59,230 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:44:59,231 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:73, output treesize:52 [2020-10-20 00:44:59,340 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:59,340 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-10-20 00:44:59,341 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:59,497 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-10-20 00:44:59,500 INFO L625 ElimStorePlain]: treesize reduction 14, result has 94.3 percent of original size [2020-10-20 00:44:59,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:59,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:59,519 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:44:59,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:59,596 INFO L350 Elim1Store]: treesize reduction 15, result has 85.6 percent of original size [2020-10-20 00:44:59,597 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 112 [2020-10-20 00:44:59,598 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:59,719 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2020-10-20 00:44:59,720 INFO L625 ElimStorePlain]: treesize reduction 55, result has 76.3 percent of original size [2020-10-20 00:44:59,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:59,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:44:59,775 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:44:59,776 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 79 treesize of output 101 [2020-10-20 00:44:59,777 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-20 00:44:59,895 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2020-10-20 00:44:59,896 INFO L625 ElimStorePlain]: treesize reduction 54, result has 67.3 percent of original size [2020-10-20 00:44:59,898 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:44:59,898 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:235, output treesize:117 [2020-10-20 00:45:00,014 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:00,020 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:00,034 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:00,053 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:00,057 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:00,082 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:00,098 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:00,104 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:00,115 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:00,222 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:00,223 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-10-20 00:45:00,223 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:00,230 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-10-20 00:45:00,231 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:00,295 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:00,295 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-10-20 00:45:00,296 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:00,364 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:00,364 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-10-20 00:45:00,365 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:01,635 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-10-20 00:45:01,636 INFO L625 ElimStorePlain]: treesize reduction 16, result has 98.4 percent of original size [2020-10-20 00:45:01,639 INFO L441 ElimStorePlain]: Different costs {11=[|v_#memory_$Pointer$.base_31|, |v_#memory_$Pointer$.offset_29|], 24=[|v_#memory_$Pointer$.offset_31|, |v_#memory_$Pointer$.base_33|]} [2020-10-20 00:45:01,647 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:01,657 INFO L545 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:01,664 INFO L545 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:02,532 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-20 00:45:02,533 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:02,545 INFO L545 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:02,569 INFO L545 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:02,585 INFO L545 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:05,277 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 148 [2020-10-20 00:45:05,278 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:05,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:05,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:05,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:05,372 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:45:05,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:05,699 INFO L244 Elim1Store]: Index analysis took 379 ms [2020-10-20 00:45:06,088 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2020-10-20 00:45:06,089 INFO L350 Elim1Store]: treesize reduction 12, result has 93.3 percent of original size [2020-10-20 00:45:06,090 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 131 treesize of output 221 [2020-10-20 00:45:06,092 INFO L545 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:06,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:06,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:06,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:06,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:06,185 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:45:06,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:06,543 INFO L244 Elim1Store]: Index analysis took 407 ms [2020-10-20 00:45:06,868 INFO L350 Elim1Store]: treesize reduction 5, result has 93.1 percent of original size [2020-10-20 00:45:06,869 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 146 [2020-10-20 00:45:06,872 INFO L545 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:06,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:06,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:06,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:06,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:06,927 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:45:06,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:07,162 INFO L350 Elim1Store]: treesize reduction 5, result has 93.1 percent of original size [2020-10-20 00:45:07,163 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 131 treesize of output 143 [2020-10-20 00:45:07,165 INFO L545 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:08,130 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 119 [2020-10-20 00:45:08,131 INFO L625 ElimStorePlain]: treesize reduction 275, result has 72.1 percent of original size [2020-10-20 00:45:08,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,252 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:45:08,291 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:08,291 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 118 treesize of output 123 [2020-10-20 00:45:08,296 INFO L545 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:08,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,420 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:45:08,568 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-10-20 00:45:08,569 INFO L350 Elim1Store]: treesize reduction 45, result has 78.3 percent of original size [2020-10-20 00:45:08,570 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 210 [2020-10-20 00:45:08,572 INFO L545 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:08,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:08,616 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:45:08,653 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:08,654 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 116 treesize of output 121 [2020-10-20 00:45:08,660 INFO L545 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:09,142 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 85 [2020-10-20 00:45:09,143 INFO L625 ElimStorePlain]: treesize reduction 233, result has 64.9 percent of original size [2020-10-20 00:45:09,146 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 4 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-20 00:45:09,146 INFO L244 ElimStorePlain]: Needed 17 recursive calls to eliminate 7 variables, input treesize:1333, output treesize:442 [2020-10-20 00:45:09,343 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-20 00:45:09,561 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-20 00:45:09,608 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 16, 3, 1] term [2020-10-20 00:45:09,609 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 00:45:09,610 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-10-20 00:45:09,611 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-10-20 00:45:09,613 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-10-20 00:45:09,615 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-10-20 00:45:09,616 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-10-20 00:45:09,619 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-10-20 00:45:09,620 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-10-20 00:45:09,621 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-10-20 00:45:09,623 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-10-20 00:45:09,624 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-10-20 00:45:09,626 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-10-20 00:45:09,627 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-10-20 00:45:09,628 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-10-20 00:45:09,979 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 112 [2020-10-20 00:45:10,331 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 00:45:10,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:10,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:10,403 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:10,403 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 187 treesize of output 179 [2020-10-20 00:45:10,406 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:10,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:10,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:10,449 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:10,449 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 121 treesize of output 60 [2020-10-20 00:45:10,452 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 00:45:10,452 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 00:45:10,453 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:45:10,455 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 00:45:10,455 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 00:45:10,457 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:45:10,457 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:10,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:10,493 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:10,494 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 206 treesize of output 188 [2020-10-20 00:45:10,496 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:10,629 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2020-10-20 00:45:10,630 INFO L625 ElimStorePlain]: treesize reduction 92, result has 75.7 percent of original size [2020-10-20 00:45:10,633 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2020-10-20 00:45:10,633 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:668, output treesize:286 [2020-10-20 00:45:10,753 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2020-10-20 00:45:10,754 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 00:45:10,914 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:10,914 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 100 treesize of output 105 [2020-10-20 00:45:10,917 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:10,917 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:10,918 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:10,918 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:10,919 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:10,920 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:10,921 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:10,921 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:10,923 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:10,923 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:10,924 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:10,924 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:10,926 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:10,926 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:10,927 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:10,928 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 00:45:10,929 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:45:10,930 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:10,933 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:10,934 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:45:10,934 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:104, output treesize:4 [2020-10-20 00:45:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:45:10,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 00:45:10,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 17 [2020-10-20 00:45:10,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900661045] [2020-10-20 00:45:10,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-20 00:45:10,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:45:10,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-20 00:45:10,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2020-10-20 00:45:10,971 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 17 states. [2020-10-20 00:45:11,939 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-20 00:45:12,411 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 65 [2020-10-20 00:45:13,298 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2020-10-20 00:45:14,763 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2020-10-20 00:45:15,365 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 173 [2020-10-20 00:45:15,814 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 132 [2020-10-20 00:45:16,113 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-10-20 00:45:16,472 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-10-20 00:45:16,780 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 128 [2020-10-20 00:45:16,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:45:16,795 INFO L93 Difference]: Finished difference Result 123 states and 136 transitions. [2020-10-20 00:45:16,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-20 00:45:16,796 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 29 [2020-10-20 00:45:16,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:45:16,798 INFO L225 Difference]: With dead ends: 123 [2020-10-20 00:45:16,799 INFO L226 Difference]: Without dead ends: 120 [2020-10-20 00:45:16,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=148, Invalid=782, Unknown=0, NotChecked=0, Total=930 [2020-10-20 00:45:16,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-20 00:45:16,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 71. [2020-10-20 00:45:16,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-20 00:45:16,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2020-10-20 00:45:16,813 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 29 [2020-10-20 00:45:16,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:45:16,814 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2020-10-20 00:45:16,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-20 00:45:16,814 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2020-10-20 00:45:16,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-20 00:45:16,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:45:16,815 INFO L422 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] [2020-10-20 00:45:17,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 00:45:17,030 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:45:17,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:45:17,031 INFO L82 PathProgramCache]: Analyzing trace with hash 560614952, now seen corresponding path program 1 times [2020-10-20 00:45:17,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:45:17,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445219561] [2020-10-20 00:45:17,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:45:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:45:17,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:45:17,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445219561] [2020-10-20 00:45:17,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043928514] [2020-10-20 00:45:17,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:45:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:45:17,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 37 conjunts are in the unsatisfiable core [2020-10-20 00:45:17,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:45:17,715 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-10-20 00:45:17,716 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 11 [2020-10-20 00:45:17,716 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:17,726 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:17,727 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:17,728 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:23 [2020-10-20 00:45:17,754 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:17,755 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-10-20 00:45:17,756 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:45:17,758 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:17,791 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:17,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:17,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:17,801 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:45:17,812 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:17,813 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 41 [2020-10-20 00:45:17,813 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:17,863 INFO L625 ElimStorePlain]: treesize reduction 16, result has 88.4 percent of original size [2020-10-20 00:45:17,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:17,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:17,886 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:17,887 INFO L384 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 1 case distinctions, treesize of input 63 treesize of output 41 [2020-10-20 00:45:17,887 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:17,929 INFO L625 ElimStorePlain]: treesize reduction 16, result has 77.8 percent of original size [2020-10-20 00:45:17,932 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:45:17,932 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:194, output treesize:46 [2020-10-20 00:45:17,976 INFO L441 ElimStorePlain]: Different costs {0=[|v_#memory_int_43|], 4=[|v_#memory_$Pointer$.base_35|], 6=[|v_#memory_$Pointer$.offset_33|]} [2020-10-20 00:45:17,980 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2020-10-20 00:45:17,980 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:17,999 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:18,005 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:18,006 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 72 [2020-10-20 00:45:18,007 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:18,030 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:18,034 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 57 treesize of output 39 [2020-10-20 00:45:18,035 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:18,047 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:18,048 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:45:18,048 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:125, output treesize:63 [2020-10-20 00:45:18,134 INFO L441 ElimStorePlain]: Different costs {0=[|#memory_$Pointer$.base|], 1=[|#memory_$Pointer$.offset|]} [2020-10-20 00:45:18,138 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:18,138 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 35 [2020-10-20 00:45:18,140 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:18,151 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:18,155 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2020-10-20 00:45:18,158 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:18,164 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:18,166 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:45:18,166 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:74, output treesize:11 [2020-10-20 00:45:18,192 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-10-20 00:45:18,192 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:18,194 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:18,194 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:45:18,194 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2020-10-20 00:45:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:45:18,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 00:45:18,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8] total 19 [2020-10-20 00:45:18,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111852022] [2020-10-20 00:45:18,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-20 00:45:18,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:45:18,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-20 00:45:18,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-10-20 00:45:18,224 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand 19 states. [2020-10-20 00:45:18,803 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2020-10-20 00:45:19,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:45:19,641 INFO L93 Difference]: Finished difference Result 122 states and 134 transitions. [2020-10-20 00:45:19,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-20 00:45:19,644 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 29 [2020-10-20 00:45:19,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:45:19,645 INFO L225 Difference]: With dead ends: 122 [2020-10-20 00:45:19,645 INFO L226 Difference]: Without dead ends: 108 [2020-10-20 00:45:19,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=144, Invalid=612, Unknown=0, NotChecked=0, Total=756 [2020-10-20 00:45:19,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-10-20 00:45:19,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 80. [2020-10-20 00:45:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-20 00:45:19,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2020-10-20 00:45:19,657 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 29 [2020-10-20 00:45:19,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:45:19,657 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2020-10-20 00:45:19,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-20 00:45:19,657 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2020-10-20 00:45:19,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 00:45:19,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:45:19,659 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:45:19,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:45:19,872 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:45:19,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:45:19,873 INFO L82 PathProgramCache]: Analyzing trace with hash -2090626564, now seen corresponding path program 2 times [2020-10-20 00:45:19,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:45:19,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250158443] [2020-10-20 00:45:19,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:45:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:45:20,148 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:45:20,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250158443] [2020-10-20 00:45:20,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064411258] [2020-10-20 00:45:20,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:45:20,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-20 00:45:20,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-20 00:45:20,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 56 conjunts are in the unsatisfiable core [2020-10-20 00:45:20,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:45:20,259 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-10-20 00:45:20,259 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 11 [2020-10-20 00:45:20,260 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:20,280 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:20,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:20,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:20,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:20,288 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2020-10-20 00:45:20,288 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:20,311 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:20,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:20,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:20,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:20,318 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2020-10-20 00:45:20,318 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:20,335 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:20,336 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:20,336 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:73, output treesize:52 [2020-10-20 00:45:20,439 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:20,439 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2020-10-20 00:45:20,440 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:45:20,441 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:20,613 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-10-20 00:45:20,614 INFO L625 ElimStorePlain]: treesize reduction 14, result has 94.3 percent of original size [2020-10-20 00:45:20,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:20,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:20,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:20,634 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:45:20,680 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:20,680 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 79 treesize of output 101 [2020-10-20 00:45:20,681 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:20,832 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2020-10-20 00:45:20,832 INFO L625 ElimStorePlain]: treesize reduction 54, result has 75.6 percent of original size [2020-10-20 00:45:20,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:20,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:20,920 INFO L350 Elim1Store]: treesize reduction 15, result has 85.6 percent of original size [2020-10-20 00:45:20,920 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 112 [2020-10-20 00:45:20,921 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:21,017 INFO L625 ElimStorePlain]: treesize reduction 55, result has 66.9 percent of original size [2020-10-20 00:45:21,019 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:45:21,019 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:235, output treesize:117 [2020-10-20 00:45:21,121 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:21,129 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:21,152 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:21,190 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:21,198 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:21,220 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:21,259 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:21,267 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:21,289 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:21,444 INFO L244 Elim1Store]: Index analysis took 101 ms [2020-10-20 00:45:21,453 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:21,454 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-10-20 00:45:21,456 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 00:45:21,457 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:45:21,476 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:21,485 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-10-20 00:45:21,485 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:21,610 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:21,611 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-10-20 00:45:21,612 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 00:45:21,620 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:45:21,621 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:21,712 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:21,713 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2020-10-20 00:45:21,714 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 00:45:21,715 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:45:21,716 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:24,346 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 125 DAG size of output: 125 [2020-10-20 00:45:24,347 INFO L625 ElimStorePlain]: treesize reduction 26, result has 97.8 percent of original size [2020-10-20 00:45:24,351 INFO L441 ElimStorePlain]: Different costs {0=[|v_#memory_int_46|, |v_#memory_int_47|], 2=[|v_#memory_int_44|, |v_#memory_int_45|], 11=[|v_#memory_$Pointer$.offset_35|, |v_#memory_$Pointer$.base_37|], 24=[|v_#memory_$Pointer$.base_39|, |v_#memory_$Pointer$.offset_37|]} [2020-10-20 00:45:24,380 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:24,394 INFO L545 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:24,409 INFO L545 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:26,571 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 136 [2020-10-20 00:45:26,571 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:26,639 INFO L384 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 37 treesize of output 15 [2020-10-20 00:45:26,640 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:26,707 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 15 [2020-10-20 00:45:26,707 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:26,777 INFO L384 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 37 treesize of output 15 [2020-10-20 00:45:26,777 INFO L545 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:27,739 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-20 00:45:27,740 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:27,750 INFO L545 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:27,762 INFO L545 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:27,772 INFO L545 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:28,929 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 126 [2020-10-20 00:45:28,930 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:28,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:28,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:29,035 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 37 [2020-10-20 00:45:29,036 INFO L545 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:29,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:29,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:29,134 INFO L384 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 31 treesize of output 37 [2020-10-20 00:45:29,134 INFO L545 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:29,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:29,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:29,188 INFO L384 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 31 treesize of output 37 [2020-10-20 00:45:29,189 INFO L545 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:30,957 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2020-10-20 00:45:30,957 INFO L625 ElimStorePlain]: treesize reduction 12, result has 98.8 percent of original size [2020-10-20 00:45:30,968 INFO L545 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:30,976 INFO L545 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:31,015 INFO L545 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:33,609 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 143 [2020-10-20 00:45:33,610 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:33,622 INFO L545 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:33,651 INFO L545 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:33,665 INFO L545 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:36,470 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification that was a NOOP. DAG size: 169 [2020-10-20 00:45:36,471 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:36,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:36,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:36,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:37,852 INFO L244 Elim1Store]: Index analysis took 1299 ms [2020-10-20 00:45:38,131 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:45:38,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:38,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:38,895 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2020-10-20 00:45:38,896 INFO L350 Elim1Store]: treesize reduction 45, result has 74.7 percent of original size [2020-10-20 00:45:38,896 INFO L384 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 5 case distinctions, treesize of input 127 treesize of output 188 [2020-10-20 00:45:38,901 INFO L545 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:38,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:38,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:39,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:39,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:39,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:39,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:39,533 INFO L244 Elim1Store]: Index analysis took 584 ms [2020-10-20 00:45:39,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:39,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:39,721 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:45:39,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:40,065 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:40,065 INFO L384 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 2 case distinctions, treesize of input 118 treesize of output 101 [2020-10-20 00:45:40,071 INFO L545 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:40,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:40,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:40,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:40,158 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:45:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:40,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:40,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:40,343 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:40,344 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 107 [2020-10-20 00:45:40,345 INFO L545 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:41,923 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2020-10-20 00:45:41,923 INFO L625 ElimStorePlain]: treesize reduction 169, result has 82.1 percent of original size [2020-10-20 00:45:41,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:41,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:42,072 INFO L244 Elim1Store]: Index analysis took 125 ms [2020-10-20 00:45:42,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:42,163 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:45:42,437 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-10-20 00:45:42,437 INFO L350 Elim1Store]: treesize reduction 104, result has 69.7 percent of original size [2020-10-20 00:45:42,437 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 129 treesize of output 279 [2020-10-20 00:45:42,439 INFO L545 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:42,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:42,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:42,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:42,850 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2020-10-20 00:45:42,851 INFO L350 Elim1Store]: treesize reduction 104, result has 67.7 percent of original size [2020-10-20 00:45:42,851 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 131 treesize of output 273 [2020-10-20 00:45:42,853 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:42,853 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-10-20 00:45:42,854 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 00:45:42,855 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-10-20 00:45:42,855 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:42,863 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-10-20 00:45:42,864 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:42,864 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 00:45:42,865 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:42,867 INFO L545 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:42,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:42,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:42,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:42,913 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 00:45:43,194 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-10-20 00:45:43,194 INFO L350 Elim1Store]: treesize reduction 104, result has 69.7 percent of original size [2020-10-20 00:45:43,195 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 127 treesize of output 277 [2020-10-20 00:45:43,196 INFO L545 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:43,893 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 114 [2020-10-20 00:45:43,894 INFO L625 ElimStorePlain]: treesize reduction 532, result has 50.5 percent of original size [2020-10-20 00:45:43,899 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 8 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-20 00:45:43,899 INFO L244 ElimStorePlain]: Needed 29 recursive calls to eliminate 11 variables, input treesize:1577, output treesize:608 [2020-10-20 00:45:44,349 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 99 [2020-10-20 00:45:44,354 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 18, 2, 1] term [2020-10-20 00:45:44,355 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 00:45:44,357 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-10-20 00:45:44,616 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-20 00:45:44,837 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-20 00:45:45,133 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-20 00:45:45,169 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-20 00:45:45,230 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:45,231 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 150 treesize of output 116 [2020-10-20 00:45:45,233 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-20 00:45:45,239 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-20 00:45:45,240 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,240 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,242 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,244 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,246 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-20 00:45:45,247 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-20 00:45:45,247 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,248 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,249 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,250 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,251 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:45,370 INFO L350 Elim1Store]: treesize reduction 48, result has 57.5 percent of original size [2020-10-20 00:45:45,371 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 18 case distinctions, treesize of input 193 treesize of output 146 [2020-10-20 00:45:45,375 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-10-20 00:45:45,376 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-10-20 00:45:45,376 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-10-20 00:45:45,377 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-20 00:45:45,377 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-20 00:45:45,378 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,378 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,380 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,380 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,381 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,382 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,383 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,384 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-10-20 00:45:45,385 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-10-20 00:45:45,385 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-20 00:45:45,386 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-20 00:45:45,386 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,388 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,388 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,390 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-10-20 00:45:45,390 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-20 00:45:45,391 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,393 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-10-20 00:45:45,394 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-10-20 00:45:45,394 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-10-20 00:45:45,395 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-20 00:45:45,395 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-20 00:45:45,396 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,397 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,398 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,398 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,399 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,400 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,400 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,402 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-10-20 00:45:45,403 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-10-20 00:45:45,403 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-20 00:45:45,404 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-20 00:45:45,405 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,406 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,407 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,409 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-10-20 00:45:45,410 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-20 00:45:45,411 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-20 00:45:45,413 INFO L545 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:45,453 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:45,453 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 150 treesize of output 116 [2020-10-20 00:45:45,456 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,456 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:45,457 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:45,457 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:45,458 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,459 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,460 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:45,461 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,462 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:45,462 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:45,463 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:45,464 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,464 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 00:45:45,465 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-20 00:45:45,466 INFO L545 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-20 00:45:45,727 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 102 [2020-10-20 00:45:45,728 INFO L625 ElimStorePlain]: treesize reduction 96, result has 72.7 percent of original size [2020-10-20 00:45:45,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:45,765 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:45,766 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 57 [2020-10-20 00:45:45,767 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:45,768 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:45,768 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 00:45:45,769 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:45:45,774 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 00:45:45,775 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 00:45:45,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 00:45:45,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:45:45,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:45:45,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 00:45:45,778 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:45:45,778 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 00:45:45,779 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:45,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:45,807 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:45,807 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 38 [2020-10-20 00:45:45,810 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:45,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:45:45,815 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2020-10-20 00:45:45,818 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:45,908 INFO L625 ElimStorePlain]: treesize reduction 12, result has 88.7 percent of original size [2020-10-20 00:45:45,911 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2020-10-20 00:45:45,911 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:566, output treesize:70 [2020-10-20 00:45:46,024 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-10-20 00:45:46,025 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:45:46,035 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:45:46,035 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 18 [2020-10-20 00:45:46,036 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:45:46,044 INFO L625 ElimStorePlain]: treesize reduction 4, result has 66.7 percent of original size [2020-10-20 00:45:46,045 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:45:46,045 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:3 [2020-10-20 00:45:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:45:46,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 00:45:46,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 21 [2020-10-20 00:45:46,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979014600] [2020-10-20 00:45:46,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-20 00:45:46,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:45:46,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-20 00:45:46,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2020-10-20 00:45:46,113 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand 21 states. [2020-10-20 00:45:47,231 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-10-20 00:45:48,189 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 115 [2020-10-20 00:45:49,364 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 222 [2020-10-20 00:45:50,321 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-20 00:45:51,033 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-10-20 00:45:51,744 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 227 [2020-10-20 00:45:52,186 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 133 [2020-10-20 00:45:52,642 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 135 [2020-10-20 00:45:53,068 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 125 [2020-10-20 00:45:53,535 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2020-10-20 00:45:53,945 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 126 [2020-10-20 00:45:53,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:45:53,960 INFO L93 Difference]: Finished difference Result 144 states and 157 transitions. [2020-10-20 00:45:53,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-20 00:45:53,961 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 32 [2020-10-20 00:45:53,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:45:53,962 INFO L225 Difference]: With dead ends: 144 [2020-10-20 00:45:53,963 INFO L226 Difference]: Without dead ends: 130 [2020-10-20 00:45:53,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=183, Invalid=1299, Unknown=0, NotChecked=0, Total=1482 [2020-10-20 00:45:53,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-20 00:45:53,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 104. [2020-10-20 00:45:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-20 00:45:53,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2020-10-20 00:45:53,989 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 32 [2020-10-20 00:45:53,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:45:53,990 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2020-10-20 00:45:53,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-20 00:45:53,990 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2020-10-20 00:45:53,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 00:45:53,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:45:53,996 INFO L422 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] [2020-10-20 00:45:54,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-20 00:45:54,211 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:45:54,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:45:54,211 INFO L82 PathProgramCache]: Analyzing trace with hash -2032432830, now seen corresponding path program 1 times [2020-10-20 00:45:54,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:45:54,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978518596] [2020-10-20 00:45:54,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:45:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:45:54,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:45:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:45:54,324 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:45:54,361 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:45:54,361 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:45:54,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-20 00:45:54,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:45:54 BoogieIcfgContainer [2020-10-20 00:45:54,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:45:54,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:45:54,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:45:54,419 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:45:54,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:44:47" (3/4) ... [2020-10-20 00:45:54,421 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 00:45:54,474 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:45:54,475 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:45:54,476 INFO L168 Benchmark]: Toolchain (without parser) took 68296.36 ms. Allocated memory was 34.6 MB in the beginning and 147.3 MB in the end (delta: 112.7 MB). Free memory was 15.3 MB in the beginning and 111.9 MB in the end (delta: -96.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:45:54,477 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 33.0 MB. Free memory was 10.5 MB in the beginning and 10.5 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:45:54,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.98 ms. Allocated memory was 34.6 MB in the beginning and 44.0 MB in the end (delta: 9.4 MB). Free memory was 14.4 MB in the beginning and 24.4 MB in the end (delta: -10.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:45:54,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.74 ms. Allocated memory is still 44.0 MB. Free memory was 24.4 MB in the beginning and 21.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:45:54,478 INFO L168 Benchmark]: Boogie Preprocessor took 38.81 ms. Allocated memory is still 44.0 MB. Free memory was 21.9 MB in the beginning and 19.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:45:54,478 INFO L168 Benchmark]: RCFGBuilder took 613.81 ms. Allocated memory was 44.0 MB in the beginning and 47.2 MB in the end (delta: 3.1 MB). Free memory was 19.7 MB in the beginning and 21.8 MB in the end (delta: -2.1 MB). Peak memory consumption was 10.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:45:54,478 INFO L168 Benchmark]: TraceAbstraction took 66864.04 ms. Allocated memory was 47.2 MB in the beginning and 147.3 MB in the end (delta: 100.1 MB). Free memory was 21.1 MB in the beginning and 116.5 MB in the end (delta: -95.4 MB). Peak memory consumption was 113.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:45:54,479 INFO L168 Benchmark]: Witness Printer took 56.07 ms. Allocated memory is still 147.3 MB. Free memory was 116.5 MB in the beginning and 111.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:45:54,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 33.0 MB. Free memory was 10.5 MB in the beginning and 10.5 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 646.98 ms. Allocated memory was 34.6 MB in the beginning and 44.0 MB in the end (delta: 9.4 MB). Free memory was 14.4 MB in the beginning and 24.4 MB in the end (delta: -10.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 66.74 ms. Allocated memory is still 44.0 MB. Free memory was 24.4 MB in the beginning and 21.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 38.81 ms. Allocated memory is still 44.0 MB. Free memory was 21.9 MB in the beginning and 19.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 613.81 ms. Allocated memory was 44.0 MB in the beginning and 47.2 MB in the end (delta: 3.1 MB). Free memory was 19.7 MB in the beginning and 21.8 MB in the end (delta: -2.1 MB). Peak memory consumption was 10.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 66864.04 ms. Allocated memory was 47.2 MB in the beginning and 147.3 MB in the end (delta: 100.1 MB). Free memory was 21.1 MB in the beginning and 116.5 MB in the end (delta: -95.4 MB). Peak memory consumption was 113.2 MB. Max. memory is 14.3 GB. * Witness Printer took 56.07 ms. Allocated memory is still 147.3 MB. Free memory was 116.5 MB in the beginning and 111.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 985]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L998] struct TSLL* null = malloc(sizeof(struct TSLL)); [L999] null->next = ((void*)0) [L1000] null->prev = ((void*)0) [L1001] null->colour = BLACK [L1003] struct TSLL* list = malloc(sizeof(struct TSLL)); [L1004] list->next = null [L1005] list->prev = null [L1006] list->colour = BLACK [L1008] struct TSLL* end = list; [L1011] COND TRUE __VERIFIER_nondet_int() [L1014] end->next = malloc(sizeof(struct TSLL)) [L1015] EXPR end->next [L1015] end->next->prev = end [L1016] EXPR end->next [L1016] end = end->next [L1017] end->next = null [L1019] COND FALSE !(__VERIFIER_nondet_int()) [L1025] end->colour = RED [L1026] end->next = malloc(sizeof(struct TSLL)) [L1027] EXPR end->next [L1027] end->next->prev = end [L1028] EXPR end->next [L1028] end = end->next [L1029] end->next = null [L1030] end->colour = BLACK [L1032] EXPR end->colour [L1032] COND FALSE !(!(BLACK == end->colour)) [L1033] EXPR end->next [L1033] COND FALSE !(!(null == end->next)) [L1034] COND FALSE !(!(null != end)) [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list [L1041] COND FALSE !(!(null != end)) [L1042] EXPR end->colour [L1042] COND FALSE !(!(BLACK == end->colour)) [L1043] COND TRUE null != end [L1045] EXPR end->colour [L1045] COND FALSE !(RED == end->colour) [L1052] EXPR end->next [L1052] end = end->next [L1043] COND TRUE null != end [L1045] EXPR end->colour [L1045] COND TRUE RED == end->colour [L1047] EXPR end->next [L1047] end = end->next [L1048] COND FALSE !(!(null != end)) [L1049] EXPR end->colour [L1049] COND TRUE !(BLACK != end->colour) [L985] COND FALSE !(0) [L985] __assert_fail ("0", "dll-rb-sentinel-1.c", 14, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 66.7s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 22.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 422 SDtfs, 856 SDslu, 1687 SDs, 0 SdLazy, 1766 SolverSat, 195 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 258 GetRequests, 119 SyntacticMatches, 5 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 14.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 162 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 41.5s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 319 ConstructedInterpolants, 44 QuantifiedInterpolants, 671751 SizeOfPredicates, 74 NumberOfNonLiveVariables, 697 ConjunctsInSsa, 192 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 7/42 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...