./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-patterns/array23_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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_1.5.800.v20200727-1323.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/array-patterns/array23_pattern.c -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 e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 11:30:14,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 11:30:14,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 11:30:14,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 11:30:14,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 11:30:14,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 11:30:14,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 11:30:14,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 11:30:14,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 11:30:14,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 11:30:14,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 11:30:14,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 11:30:14,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 11:30:14,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 11:30:14,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 11:30:14,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 11:30:14,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 11:30:14,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 11:30:14,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 11:30:14,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 11:30:14,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 11:30:14,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 11:30:14,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 11:30:14,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 11:30:14,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 11:30:14,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 11:30:14,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 11:30:14,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 11:30:14,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 11:30:14,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 11:30:14,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 11:30:14,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 11:30:14,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 11:30:15,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 11:30:15,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 11:30:15,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 11:30:15,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 11:30:15,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 11:30:15,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 11:30:15,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 11:30:15,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 11:30:15,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-14 11:30:15,027 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 11:30:15,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 11:30:15,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 11:30:15,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 11:30:15,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 11:30:15,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 11:30:15,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 11:30:15,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 11:30:15,029 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 11:30:15,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 11:30:15,029 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 11:30:15,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 11:30:15,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 11:30:15,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 11:30:15,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 11:30:15,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 11:30:15,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 11:30:15,030 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 11:30:15,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 11:30:15,030 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 11:30:15,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 11:30:15,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 11:30:15,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 11:30:15,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 11:30:15,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 11:30:15,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 11:30:15,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 11:30:15,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 11:30:15,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 11:30:15,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 11:30:15,032 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 11:30:15,032 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 11:30:15,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 11:30:15,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 11:30:15,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 [2021-12-14 11:30:15,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 11:30:15,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 11:30:15,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 11:30:15,237 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 11:30:15,237 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 11:30:15,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-patterns/array23_pattern.c [2021-12-14 11:30:15,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9e593db9/16d36f8a12774afa841602d85f1aaaa2/FLAG15e8084e4 [2021-12-14 11:30:15,644 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 11:30:15,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array23_pattern.c [2021-12-14 11:30:15,649 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9e593db9/16d36f8a12774afa841602d85f1aaaa2/FLAG15e8084e4 [2021-12-14 11:30:15,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9e593db9/16d36f8a12774afa841602d85f1aaaa2 [2021-12-14 11:30:15,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 11:30:15,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 11:30:15,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 11:30:15,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 11:30:15,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 11:30:15,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:30:15" (1/1) ... [2021-12-14 11:30:15,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b4a216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:15, skipping insertion in model container [2021-12-14 11:30:15,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:30:15" (1/1) ... [2021-12-14 11:30:15,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 11:30:15,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 11:30:15,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2021-12-14 11:30:15,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 11:30:15,813 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 11:30:15,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2021-12-14 11:30:15,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 11:30:15,835 INFO L208 MainTranslator]: Completed translation [2021-12-14 11:30:15,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:15 WrapperNode [2021-12-14 11:30:15,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 11:30:15,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 11:30:15,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 11:30:15,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 11:30:15,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:15" (1/1) ... [2021-12-14 11:30:15,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:15" (1/1) ... [2021-12-14 11:30:15,857 INFO L137 Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2021-12-14 11:30:15,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 11:30:15,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 11:30:15,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 11:30:15,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 11:30:15,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:15" (1/1) ... [2021-12-14 11:30:15,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:15" (1/1) ... [2021-12-14 11:30:15,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:15" (1/1) ... [2021-12-14 11:30:15,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:15" (1/1) ... [2021-12-14 11:30:15,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:15" (1/1) ... [2021-12-14 11:30:15,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:15" (1/1) ... [2021-12-14 11:30:15,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:15" (1/1) ... [2021-12-14 11:30:15,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 11:30:15,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 11:30:15,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 11:30:15,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 11:30:15,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:15" (1/1) ... [2021-12-14 11:30:15,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 11:30:15,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 11:30:15,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 11:30:15,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 11:30:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2021-12-14 11:30:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2021-12-14 11:30:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 11:30:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 11:30:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 11:30:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 11:30:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 11:30:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 11:30:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 11:30:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 11:30:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 11:30:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 11:30:16,005 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 11:30:16,007 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 11:30:16,111 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 11:30:16,115 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 11:30:16,115 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-14 11:30:16,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:30:16 BoogieIcfgContainer [2021-12-14 11:30:16,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 11:30:16,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 11:30:16,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 11:30:16,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 11:30:16,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:30:15" (1/3) ... [2021-12-14 11:30:16,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50fca852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:30:16, skipping insertion in model container [2021-12-14 11:30:16,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:15" (2/3) ... [2021-12-14 11:30:16,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50fca852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:30:16, skipping insertion in model container [2021-12-14 11:30:16,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:30:16" (3/3) ... [2021-12-14 11:30:16,123 INFO L111 eAbstractionObserver]: Analyzing ICFG array23_pattern.c [2021-12-14 11:30:16,126 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 11:30:16,126 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 11:30:16,155 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 11:30:16,159 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 11:30:16,160 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 11:30:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 32 states have (on average 1.53125) internal successors, (49), 33 states have internal predecessors, (49), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-14 11:30:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-14 11:30:16,174 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 11:30:16,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 11:30:16,175 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 11:30:16,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 11:30:16,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1798908762, now seen corresponding path program 1 times [2021-12-14 11:30:16,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 11:30:16,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006409765] [2021-12-14 11:30:16,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 11:30:16,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 11:30:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 11:30:16,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 11:30:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 11:30:16,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 11:30:16,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 11:30:16,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006409765] [2021-12-14 11:30:16,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006409765] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 11:30:16,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 11:30:16,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-14 11:30:16,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432400611] [2021-12-14 11:30:16,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 11:30:16,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-14 11:30:16,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 11:30:16,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-14 11:30:16,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-14 11:30:16,362 INFO L87 Difference]: Start difference. First operand has 41 states, 32 states have (on average 1.53125) internal successors, (49), 33 states have internal predecessors, (49), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-14 11:30:16,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 11:30:16,377 INFO L93 Difference]: Finished difference Result 79 states and 117 transitions. [2021-12-14 11:30:16,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-14 11:30:16,379 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-12-14 11:30:16,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 11:30:16,383 INFO L225 Difference]: With dead ends: 79 [2021-12-14 11:30:16,384 INFO L226 Difference]: Without dead ends: 37 [2021-12-14 11:30:16,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-14 11:30:16,389 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 11:30:16,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 11:30:16,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-12-14 11:30:16,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-12-14 11:30:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-14 11:30:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2021-12-14 11:30:16,416 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 15 [2021-12-14 11:30:16,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 11:30:16,416 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2021-12-14 11:30:16,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-14 11:30:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2021-12-14 11:30:16,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-14 11:30:16,419 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 11:30:16,419 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1] [2021-12-14 11:30:16,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 11:30:16,420 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 11:30:16,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 11:30:16,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1909329698, now seen corresponding path program 1 times [2021-12-14 11:30:16,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 11:30:16,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221548191] [2021-12-14 11:30:16,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 11:30:16,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 11:30:16,434 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-14 11:30:16,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1799789787] [2021-12-14 11:30:16,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 11:30:16,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 11:30:16,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 11:30:16,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 11:30:16,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-14 11:30:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 11:30:16,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-14 11:30:16,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 11:30:16,690 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-14 11:30:16,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 11:30:16,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 11:30:16,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221548191] [2021-12-14 11:30:16,691 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-14 11:30:16,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799789787] [2021-12-14 11:30:16,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799789787] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 11:30:16,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 11:30:16,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 11:30:16,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740448634] [2021-12-14 11:30:16,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 11:30:16,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 11:30:16,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 11:30:16,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 11:30:16,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 11:30:16,694 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-14 11:30:16,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 11:30:16,716 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2021-12-14 11:30:16,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 11:30:16,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2021-12-14 11:30:16,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 11:30:16,721 INFO L225 Difference]: With dead ends: 44 [2021-12-14 11:30:16,721 INFO L226 Difference]: Without dead ends: 40 [2021-12-14 11:30:16,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 11:30:16,723 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 12 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 11:30:16,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 110 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 11:30:16,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-12-14 11:30:16,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-12-14 11:30:16,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-14 11:30:16,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2021-12-14 11:30:16,736 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 42 [2021-12-14 11:30:16,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 11:30:16,737 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2021-12-14 11:30:16,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-14 11:30:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2021-12-14 11:30:16,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-14 11:30:16,738 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 11:30:16,738 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 11:30:16,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-14 11:30:16,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 11:30:16,962 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 11:30:16,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 11:30:16,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1786751912, now seen corresponding path program 1 times [2021-12-14 11:30:16,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 11:30:16,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727317826] [2021-12-14 11:30:16,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 11:30:16,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 11:30:16,975 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-14 11:30:16,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [426400693] [2021-12-14 11:30:16,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 11:30:16,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 11:30:16,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 11:30:16,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 11:30:17,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-14 11:30:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 11:30:17,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 11:30:17,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 11:30:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-14 11:30:17,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 11:30:17,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 11:30:17,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727317826] [2021-12-14 11:30:17,136 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-14 11:30:17,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426400693] [2021-12-14 11:30:17,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426400693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 11:30:17,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 11:30:17,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 11:30:17,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800112424] [2021-12-14 11:30:17,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 11:30:17,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 11:30:17,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 11:30:17,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 11:30:17,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-14 11:30:17,138 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-14 11:30:17,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 11:30:17,204 INFO L93 Difference]: Finished difference Result 83 states and 106 transitions. [2021-12-14 11:30:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 11:30:17,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2021-12-14 11:30:17,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 11:30:17,205 INFO L225 Difference]: With dead ends: 83 [2021-12-14 11:30:17,205 INFO L226 Difference]: Without dead ends: 50 [2021-12-14 11:30:17,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-14 11:30:17,206 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 25 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 11:30:17,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 128 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 11:30:17,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-12-14 11:30:17,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 41. [2021-12-14 11:30:17,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-14 11:30:17,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2021-12-14 11:30:17,211 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 47 [2021-12-14 11:30:17,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 11:30:17,211 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2021-12-14 11:30:17,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-14 11:30:17,212 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2021-12-14 11:30:17,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-14 11:30:17,213 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 11:30:17,213 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 11:30:17,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-14 11:30:17,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-12-14 11:30:17,425 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 11:30:17,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 11:30:17,426 INFO L85 PathProgramCache]: Analyzing trace with hash -2075657686, now seen corresponding path program 1 times [2021-12-14 11:30:17,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 11:30:17,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402193653] [2021-12-14 11:30:17,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 11:30:17,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 11:30:17,437 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-14 11:30:17,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1671614857] [2021-12-14 11:30:17,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 11:30:17,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 11:30:17,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 11:30:17,438 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 11:30:17,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-14 11:30:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 11:30:17,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 11:30:17,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 11:30:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-14 11:30:17,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 11:30:17,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 11:30:17,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402193653] [2021-12-14 11:30:17,559 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-14 11:30:17,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671614857] [2021-12-14 11:30:17,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671614857] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 11:30:17,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 11:30:17,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 11:30:17,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128370163] [2021-12-14 11:30:17,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 11:30:17,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 11:30:17,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 11:30:17,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 11:30:17,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 11:30:17,561 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-14 11:30:17,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 11:30:17,596 INFO L93 Difference]: Finished difference Result 80 states and 103 transitions. [2021-12-14 11:30:17,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 11:30:17,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 50 [2021-12-14 11:30:17,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 11:30:17,597 INFO L225 Difference]: With dead ends: 80 [2021-12-14 11:30:17,597 INFO L226 Difference]: Without dead ends: 44 [2021-12-14 11:30:17,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 11:30:17,598 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 11:30:17,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 77 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 11:30:17,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-12-14 11:30:17,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2021-12-14 11:30:17,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-14 11:30:17,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2021-12-14 11:30:17,602 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 50 [2021-12-14 11:30:17,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 11:30:17,602 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2021-12-14 11:30:17,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-14 11:30:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2021-12-14 11:30:17,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-14 11:30:17,603 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 11:30:17,603 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 11:30:17,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-14 11:30:17,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 11:30:17,819 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 11:30:17,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 11:30:17,820 INFO L85 PathProgramCache]: Analyzing trace with hash 874891816, now seen corresponding path program 1 times [2021-12-14 11:30:17,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 11:30:17,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255851348] [2021-12-14 11:30:17,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 11:30:17,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 11:30:17,827 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-14 11:30:17,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1855238633] [2021-12-14 11:30:17,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 11:30:17,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 11:30:17,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 11:30:17,829 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 11:30:17,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-14 11:30:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 11:30:17,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-14 11:30:17,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 11:30:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-14 11:30:18,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 11:30:18,204 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-14 11:30:18,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 11:30:18,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255851348] [2021-12-14 11:30:18,205 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-14 11:30:18,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855238633] [2021-12-14 11:30:18,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855238633] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 11:30:18,205 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-14 11:30:18,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-12-14 11:30:18,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535493815] [2021-12-14 11:30:18,206 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-14 11:30:18,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-14 11:30:18,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 11:30:18,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-14 11:30:18,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-14 11:30:18,207 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 11:30:18,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 11:30:18,325 INFO L93 Difference]: Finished difference Result 87 states and 107 transitions. [2021-12-14 11:30:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 11:30:18,325 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 52 [2021-12-14 11:30:18,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 11:30:18,326 INFO L225 Difference]: With dead ends: 87 [2021-12-14 11:30:18,326 INFO L226 Difference]: Without dead ends: 51 [2021-12-14 11:30:18,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-12-14 11:30:18,327 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 45 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-14 11:30:18,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 92 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-14 11:30:18,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-12-14 11:30:18,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2021-12-14 11:30:18,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-14 11:30:18,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2021-12-14 11:30:18,333 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 52 [2021-12-14 11:30:18,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 11:30:18,334 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2021-12-14 11:30:18,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 11:30:18,334 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2021-12-14 11:30:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-14 11:30:18,334 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 11:30:18,335 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 11:30:18,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-14 11:30:18,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 11:30:18,551 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 11:30:18,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 11:30:18,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1211966936, now seen corresponding path program 2 times [2021-12-14 11:30:18,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 11:30:18,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515511974] [2021-12-14 11:30:18,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 11:30:18,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 11:30:18,568 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-14 11:30:18,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [687887534] [2021-12-14 11:30:18,569 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-14 11:30:18,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 11:30:18,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 11:30:18,570 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 11:30:18,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-14 11:30:18,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-14 11:30:18,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 11:30:18,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-14 11:30:18,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 11:30:18,721 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-14 11:30:18,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-14 11:30:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-14 11:30:18,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 11:30:18,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515511974] [2021-12-14 11:30:18,806 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-14 11:30:18,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687887534] [2021-12-14 11:30:18,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687887534] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-14 11:30:18,806 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-14 11:30:18,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-12-14 11:30:18,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484992569] [2021-12-14 11:30:18,806 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-14 11:30:18,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-14 11:30:18,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 11:30:18,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-14 11:30:18,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-12-14 11:30:18,807 INFO L87 Difference]: Start difference. First operand 49 states and 58 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 11:30:18,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 11:30:18,943 INFO L93 Difference]: Finished difference Result 108 states and 130 transitions. [2021-12-14 11:30:18,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 11:30:18,943 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 56 [2021-12-14 11:30:18,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 11:30:18,944 INFO L225 Difference]: With dead ends: 108 [2021-12-14 11:30:18,944 INFO L226 Difference]: Without dead ends: 75 [2021-12-14 11:30:18,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-12-14 11:30:18,945 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 51 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-14 11:30:18,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 151 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-14 11:30:18,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-14 11:30:18,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 63. [2021-12-14 11:30:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 54 states have internal predecessors, (64), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-14 11:30:18,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2021-12-14 11:30:18,951 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 56 [2021-12-14 11:30:18,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 11:30:18,951 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2021-12-14 11:30:18,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 11:30:18,951 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2021-12-14 11:30:18,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-12-14 11:30:18,952 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 11:30:18,952 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 11:30:18,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-14 11:30:19,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 11:30:19,171 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 11:30:19,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 11:30:19,171 INFO L85 PathProgramCache]: Analyzing trace with hash -511912674, now seen corresponding path program 3 times [2021-12-14 11:30:19,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 11:30:19,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460339467] [2021-12-14 11:30:19,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 11:30:19,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 11:30:19,180 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-14 11:30:19,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1459406296] [2021-12-14 11:30:19,180 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-14 11:30:19,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 11:30:19,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 11:30:19,181 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 11:30:19,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-14 11:30:19,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-12-14 11:30:19,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-14 11:30:19,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 101 conjunts are in the unsatisfiable core [2021-12-14 11:30:19,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 11:30:20,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 55 [2021-12-14 11:30:20,085 INFO L388 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 0 case distinctions, treesize of input 21 treesize of output 20 [2021-12-14 11:30:20,093 INFO L388 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 0 case distinctions, treesize of input 19 treesize of output 18 [2021-12-14 11:30:20,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2021-12-14 11:30:20,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-14 11:30:20,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 85 [2021-12-14 11:30:20,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 40 treesize of output 17 [2021-12-14 11:30:20,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 55 treesize of output 22 [2021-12-14 11:30:20,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 67 [2021-12-14 11:30:20,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,386 INFO L354 Elim1Store]: treesize reduction 78, result has 14.3 percent of original size [2021-12-14 11:30:20,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 88 [2021-12-14 11:30:20,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 40 treesize of output 19 [2021-12-14 11:30:20,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 48 treesize of output 23 [2021-12-14 11:30:20,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 128 [2021-12-14 11:30:20,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 185 [2021-12-14 11:30:20,633 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-14 11:30:20,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:20,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 63 [2021-12-14 11:30:21,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 94 [2021-12-14 11:30:21,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,775 INFO L354 Elim1Store]: treesize reduction 187, result has 44.2 percent of original size [2021-12-14 11:30:21,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 93 treesize of output 244 [2021-12-14 11:30:21,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 15 [2021-12-14 11:30:21,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,898 INFO L354 Elim1Store]: treesize reduction 5, result has 76.2 percent of original size [2021-12-14 11:30:21,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 34 [2021-12-14 11:30:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:21,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 15 [2021-12-14 11:30:29,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 276 [2021-12-14 11:30:29,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:29,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:30,257 INFO L354 Elim1Store]: treesize reduction 294, result has 41.0 percent of original size [2021-12-14 11:30:30,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 5 select indices, 5 select index equivalence classes, 25 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 279 treesize of output 611 [2021-12-14 11:30:30,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-14 11:30:31,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:31,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:31,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:31,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:31,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:31,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:31,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:31,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:31,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:31,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:31,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:31,595 INFO L354 Elim1Store]: treesize reduction 91, result has 1.1 percent of original size [2021-12-14 11:30:31,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 427 treesize of output 351 [2021-12-14 11:30:33,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-14 11:30:33,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-14 11:30:33,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-14 11:30:33,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,280 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-14 11:30:33,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 35 disjoint index pairs (out of 66 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 1117 treesize of output 763 [2021-12-14 11:30:33,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-14 11:30:33,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:33,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-14 11:30:33,353 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-14 11:30:33,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 797 treesize of output 586 [2021-12-14 11:30:42,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-14 11:30:42,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-14 11:30:42,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-14 11:30:42,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-14 11:30:42,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-14 11:30:42,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-14 11:30:42,592 INFO L354 Elim1Store]: treesize reduction 245, result has 52.4 percent of original size [2021-12-14 11:30:42,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 40 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 506 treesize of output 410 [2021-12-14 11:30:44,471 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-14 11:30:44,471 INFO L328 TraceCheckSpWp]: Computing backward predicates...