./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 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/uthash-2.0.2/uthash_JEN_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-06 00:59:39,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 00:59:39,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 00:59:39,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 00:59:39,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 00:59:39,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 00:59:39,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 00:59:39,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 00:59:39,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 00:59:39,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 00:59:39,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 00:59:39,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 00:59:39,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 00:59:39,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 00:59:39,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 00:59:39,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 00:59:39,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 00:59:39,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 00:59:39,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 00:59:39,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 00:59:39,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 00:59:39,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 00:59:39,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 00:59:39,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 00:59:39,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 00:59:39,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 00:59:39,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 00:59:39,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 00:59:39,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 00:59:39,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 00:59:39,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 00:59:39,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 00:59:39,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 00:59:39,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 00:59:39,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 00:59:39,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 00:59:39,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 00:59:39,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 00:59:39,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 00:59:39,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 00:59:39,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 00:59:39,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 00:59:40,009 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 00:59:40,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 00:59:40,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 00:59:40,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 00:59:40,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 00:59:40,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 00:59:40,012 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 00:59:40,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 00:59:40,013 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 00:59:40,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 00:59:40,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 00:59:40,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 00:59:40,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 00:59:40,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 00:59:40,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 00:59:40,014 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 00:59:40,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 00:59:40,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 00:59:40,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 00:59:40,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 00:59:40,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 00:59:40,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 00:59:40,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 00:59:40,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 00:59:40,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 00:59:40,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 00:59:40,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 00:59:40,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 00:59:40,023 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 00:59:40,023 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 00:59:40,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 00:59:40,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 00:59:40,024 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 [2021-11-06 00:59:40,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 00:59:40,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 00:59:40,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 00:59:40,306 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 00:59:40,307 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 00:59:40,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2021-11-06 00:59:40,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0787f6f38/6db50aced1da48a59581b5b83fca3603/FLAGa1ed16340 [2021-11-06 00:59:40,825 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 00:59:40,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2021-11-06 00:59:40,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0787f6f38/6db50aced1da48a59581b5b83fca3603/FLAGa1ed16340 [2021-11-06 00:59:40,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0787f6f38/6db50aced1da48a59581b5b83fca3603 [2021-11-06 00:59:40,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 00:59:40,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 00:59:40,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 00:59:40,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 00:59:40,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 00:59:40,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:59:40" (1/1) ... [2021-11-06 00:59:40,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a0d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:59:40, skipping insertion in model container [2021-11-06 00:59:40,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:59:40" (1/1) ... [2021-11-06 00:59:40,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 00:59:40,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 00:59:41,190 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[33021,33034] [2021-11-06 00:59:41,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[44590,44603] [2021-11-06 00:59:41,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 00:59:41,315 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 00:59:41,341 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[33021,33034] [2021-11-06 00:59:41,408 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i[44590,44603] [2021-11-06 00:59:41,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 00:59:41,442 INFO L208 MainTranslator]: Completed translation [2021-11-06 00:59:41,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:59:41 WrapperNode [2021-11-06 00:59:41,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 00:59:41,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 00:59:41,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 00:59:41,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 00:59:41,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:59:41" (1/1) ... [2021-11-06 00:59:41,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:59:41" (1/1) ... [2021-11-06 00:59:41,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 00:59:41,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 00:59:41,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 00:59:41,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 00:59:41,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:59:41" (1/1) ... [2021-11-06 00:59:41,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:59:41" (1/1) ... [2021-11-06 00:59:41,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:59:41" (1/1) ... [2021-11-06 00:59:41,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:59:41" (1/1) ... [2021-11-06 00:59:41,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:59:41" (1/1) ... [2021-11-06 00:59:41,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:59:41" (1/1) ... [2021-11-06 00:59:41,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:59:41" (1/1) ... [2021-11-06 00:59:41,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 00:59:41,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 00:59:41,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 00:59:41,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 00:59:41,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:59:41" (1/1) ... [2021-11-06 00:59:41,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 00:59:41,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:59:41,688 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) [2021-11-06 00:59:41,700 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 [2021-11-06 00:59:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 00:59:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 00:59:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 00:59:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 00:59:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 00:59:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 00:59:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 00:59:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 00:59:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 00:59:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 00:59:41,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 00:59:42,615 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 00:59:42,616 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-06 00:59:42,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:59:42 BoogieIcfgContainer [2021-11-06 00:59:42,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 00:59:42,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 00:59:42,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 00:59:42,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 00:59:42,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:59:40" (1/3) ... [2021-11-06 00:59:42,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50193586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:59:42, skipping insertion in model container [2021-11-06 00:59:42,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:59:41" (2/3) ... [2021-11-06 00:59:42,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50193586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:59:42, skipping insertion in model container [2021-11-06 00:59:42,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:59:42" (3/3) ... [2021-11-06 00:59:42,622 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test3-2.i [2021-11-06 00:59:42,626 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 00:59:42,626 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 00:59:42,654 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 00:59:42,658 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 [2021-11-06 00:59:42,659 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 00:59:42,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:42,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 00:59:42,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:59:42,675 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:59:42,676 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:59:42,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:59:42,680 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-06 00:59:42,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:59:42,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639299634] [2021-11-06 00:59:42,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:42,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:59:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:59:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:59:42,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:59:42,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639299634] [2021-11-06 00:59:42,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639299634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:59:42,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:59:42,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 00:59:42,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610883676] [2021-11-06 00:59:42,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:59:42,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 00:59:42,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:59:42,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 00:59:42,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 00:59:42,853 INFO L87 Difference]: Start difference. First operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:42,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:59:42,903 INFO L93 Difference]: Finished difference Result 460 states and 768 transitions. [2021-11-06 00:59:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 00:59:42,905 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-06 00:59:42,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:59:42,913 INFO L225 Difference]: With dead ends: 460 [2021-11-06 00:59:42,913 INFO L226 Difference]: Without dead ends: 198 [2021-11-06 00:59:42,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 00:59:42,921 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.49ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-06 00:59:42,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 4.49ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-06 00:59:42,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-06 00:59:42,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-06 00:59:42,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 197 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:42,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2021-11-06 00:59:42,962 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 9 [2021-11-06 00:59:42,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:59:42,962 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2021-11-06 00:59:42,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:42,963 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2021-11-06 00:59:42,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-06 00:59:42,963 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:59:42,963 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:59:42,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 00:59:42,964 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:59:42,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:59:42,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-06 00:59:42,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:59:42,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504752034] [2021-11-06 00:59:42,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:42,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:59:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:59:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:59:43,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:59:43,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504752034] [2021-11-06 00:59:43,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504752034] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:59:43,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:59:43,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:59:43,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546537707] [2021-11-06 00:59:43,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:59:43,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:59:43,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:59:43,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:59:43,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:59:43,027 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:43,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:59:43,311 INFO L93 Difference]: Finished difference Result 445 states and 582 transitions. [2021-11-06 00:59:43,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:59:43,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-06 00:59:43,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:59:43,313 INFO L225 Difference]: With dead ends: 445 [2021-11-06 00:59:43,313 INFO L226 Difference]: Without dead ends: 337 [2021-11-06 00:59:43,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.39ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:59:43,314 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 173 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 193.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.38ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 257.23ms IncrementalHoareTripleChecker+Time [2021-11-06 00:59:43,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 642 Invalid, 161 Unknown, 0 Unchecked, 4.38ms Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 257.23ms Time] [2021-11-06 00:59:43,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-11-06 00:59:43,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 200. [2021-11-06 00:59:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 199 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:43,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-11-06 00:59:43,327 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 12 [2021-11-06 00:59:43,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:59:43,328 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-11-06 00:59:43,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:43,329 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-11-06 00:59:43,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 00:59:43,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:59:43,333 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:59:43,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 00:59:43,334 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:59:43,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:59:43,334 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-06 00:59:43,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:59:43,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729275624] [2021-11-06 00:59:43,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:43,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:59:43,359 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:59:43,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [55134702] [2021-11-06 00:59:43,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:43,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:59:43,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:59:43,368 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) [2021-11-06 00:59:43,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 00:59:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:59:43,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:59:43,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:59:43,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:59:43,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:59:43,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:59:43,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729275624] [2021-11-06 00:59:43,668 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:59:43,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55134702] [2021-11-06 00:59:43,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55134702] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:59:43,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:59:43,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:59:43,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496528921] [2021-11-06 00:59:43,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:59:43,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:59:43,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:59:43,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:59:43,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:59:43,674 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:43,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:59:43,726 INFO L93 Difference]: Finished difference Result 417 states and 549 transitions. [2021-11-06 00:59:43,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:59:43,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 00:59:43,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:59:43,729 INFO L225 Difference]: With dead ends: 417 [2021-11-06 00:59:43,730 INFO L226 Difference]: Without dead ends: 221 [2021-11-06 00:59:43,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.77ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:59:43,732 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 9 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.53ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.42ms IncrementalHoareTripleChecker+Time [2021-11-06 00:59:43,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 463 Invalid, 72 Unknown, 0 Unchecked, 2.53ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 39.42ms Time] [2021-11-06 00:59:43,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-06 00:59:43,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-06 00:59:43,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.3130841121495327) internal successors, (281), 219 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:43,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2021-11-06 00:59:43,747 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 64 [2021-11-06 00:59:43,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:59:43,747 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2021-11-06 00:59:43,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:43,748 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2021-11-06 00:59:43,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 00:59:43,749 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:59:43,749 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:59:43,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-06 00:59:43,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:59:43,968 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:59:43,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:59:43,971 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-06 00:59:43,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:59:43,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921282037] [2021-11-06 00:59:43,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:43,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:59:43,985 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:59:43,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1585775416] [2021-11-06 00:59:43,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:43,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:59:43,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:59:43,990 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) [2021-11-06 00:59:43,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 00:59:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:59:44,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:59:44,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:59:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:59:44,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:59:44,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:59:44,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921282037] [2021-11-06 00:59:44,235 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:59:44,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585775416] [2021-11-06 00:59:44,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585775416] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:59:44,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:59:44,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:59:44,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468911612] [2021-11-06 00:59:44,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:59:44,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:59:44,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:59:44,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:59:44,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:59:44,240 INFO L87 Difference]: Start difference. First operand 220 states and 281 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:44,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:59:44,292 INFO L93 Difference]: Finished difference Result 428 states and 550 transitions. [2021-11-06 00:59:44,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:59:44,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 00:59:44,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:59:44,294 INFO L225 Difference]: With dead ends: 428 [2021-11-06 00:59:44,294 INFO L226 Difference]: Without dead ends: 212 [2021-11-06 00:59:44,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.56ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:59:44,295 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 247 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.31ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.18ms IncrementalHoareTripleChecker+Time [2021-11-06 00:59:44,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 474 Invalid, 66 Unknown, 0 Unchecked, 1.31ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 42.18ms Time] [2021-11-06 00:59:44,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-06 00:59:44,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-06 00:59:44,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.3) internal successors, (260), 205 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:44,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2021-11-06 00:59:44,302 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 64 [2021-11-06 00:59:44,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:59:44,302 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2021-11-06 00:59:44,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:44,302 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2021-11-06 00:59:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 00:59:44,303 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:59:44,304 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:59:44,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 00:59:44,525 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,SelfDestructingSolverStorable3 [2021-11-06 00:59:44,525 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:59:44,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:59:44,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-06 00:59:44,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:59:44,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800566037] [2021-11-06 00:59:44,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:44,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:59:44,536 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:59:44,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1797627979] [2021-11-06 00:59:44,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:44,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:59:44,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:59:44,538 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) [2021-11-06 00:59:44,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 00:59:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:59:44,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 00:59:44,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:59:44,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:59:44,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:59:44,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:59:44,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800566037] [2021-11-06 00:59:44,878 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:59:44,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797627979] [2021-11-06 00:59:44,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797627979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:59:44,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:59:44,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:59:44,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563483580] [2021-11-06 00:59:44,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:59:44,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:59:44,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:59:44,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:59:44,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:59:44,879 INFO L87 Difference]: Start difference. First operand 206 states and 260 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:44,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:59:44,927 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2021-11-06 00:59:44,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:59:44,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 00:59:44,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:59:44,929 INFO L225 Difference]: With dead ends: 542 [2021-11-06 00:59:44,929 INFO L226 Difference]: Without dead ends: 340 [2021-11-06 00:59:44,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.89ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:59:44,930 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 132 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.11ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.87ms IncrementalHoareTripleChecker+Time [2021-11-06 00:59:44,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 544 Invalid, 32 Unknown, 0 Unchecked, 1.11ms Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 39.87ms Time] [2021-11-06 00:59:44,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-11-06 00:59:44,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 312. [2021-11-06 00:59:44,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 306 states have (on average 1.2843137254901962) internal successors, (393), 311 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:44,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 393 transitions. [2021-11-06 00:59:44,937 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 393 transitions. Word has length 64 [2021-11-06 00:59:44,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:59:44,938 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 393 transitions. [2021-11-06 00:59:44,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:44,938 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 393 transitions. [2021-11-06 00:59:44,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-06 00:59:44,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:59:44,939 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:59:44,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 00:59:45,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:59:45,143 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:59:45,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:59:45,144 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-06 00:59:45,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:59:45,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898976564] [2021-11-06 00:59:45,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:45,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:59:45,155 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:59:45,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1899224650] [2021-11-06 00:59:45,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:45,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:59:45,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:59:45,156 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) [2021-11-06 00:59:45,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 00:59:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:59:45,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:59:45,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:59:45,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 00:59:45,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-06 00:59:45,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 00:59:45,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:59:45,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:59:45,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898976564] [2021-11-06 00:59:45,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:59:45,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899224650] [2021-11-06 00:59:45,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899224650] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:59:45,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:59:45,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:59:45,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358452010] [2021-11-06 00:59:45,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:59:45,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:59:45,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:59:45,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:59:45,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:59:45,461 INFO L87 Difference]: Start difference. First operand 312 states and 393 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:46,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:59:46,382 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions. [2021-11-06 00:59:46,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:59:46,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-06 00:59:46,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:59:46,384 INFO L225 Difference]: With dead ends: 421 [2021-11-06 00:59:46,384 INFO L226 Difference]: Without dead ends: 396 [2021-11-06 00:59:46,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.42ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:59:46,385 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 135 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 871.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.00ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 904.65ms IncrementalHoareTripleChecker+Time [2021-11-06 00:59:46,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 644 Invalid, 138 Unknown, 0 Unchecked, 2.00ms Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 904.65ms Time] [2021-11-06 00:59:46,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-06 00:59:46,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 314. [2021-11-06 00:59:46,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 313 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:46,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2021-11-06 00:59:46,391 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 71 [2021-11-06 00:59:46,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:59:46,392 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2021-11-06 00:59:46,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:46,392 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2021-11-06 00:59:46,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 00:59:46,393 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:59:46,393 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:59:46,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 00:59:46,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:59:46,603 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:59:46,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:59:46,603 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-06 00:59:46,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:59:46,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503366991] [2021-11-06 00:59:46,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:46,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:59:46,614 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:59:46,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1514092986] [2021-11-06 00:59:46,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:46,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:59:46,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:59:46,616 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) [2021-11-06 00:59:46,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 00:59:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:59:46,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:59:46,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:59:46,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 00:59:46,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:59:46,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:59:46,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503366991] [2021-11-06 00:59:46,885 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:59:46,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514092986] [2021-11-06 00:59:46,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514092986] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:59:46,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:59:46,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:59:46,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38512163] [2021-11-06 00:59:46,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:59:46,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:59:46,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:59:46,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:59:46,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:59:46,888 INFO L87 Difference]: Start difference. First operand 314 states and 395 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:46,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:59:46,932 INFO L93 Difference]: Finished difference Result 525 states and 681 transitions. [2021-11-06 00:59:46,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:59:46,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 00:59:46,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:59:46,933 INFO L225 Difference]: With dead ends: 525 [2021-11-06 00:59:46,933 INFO L226 Difference]: Without dead ends: 356 [2021-11-06 00:59:46,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.21ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:59:46,934 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 9 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.12ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.81ms IncrementalHoareTripleChecker+Time [2021-11-06 00:59:46,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 449 Invalid, 72 Unknown, 0 Unchecked, 1.12ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 34.81ms Time] [2021-11-06 00:59:46,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-06 00:59:46,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2021-11-06 00:59:46,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 348 states have (on average 1.25) internal successors, (435), 353 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:46,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-11-06 00:59:46,941 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 103 [2021-11-06 00:59:46,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:59:46,941 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-11-06 00:59:46,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:46,942 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-11-06 00:59:46,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 00:59:46,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:59:46,943 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:59:46,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 00:59:47,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:59:47,159 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:59:47,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:59:47,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-06 00:59:47,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:59:47,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225279777] [2021-11-06 00:59:47,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:47,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:59:47,177 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:59:47,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004953063] [2021-11-06 00:59:47,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:47,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:59:47,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:59:47,178 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) [2021-11-06 00:59:47,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 00:59:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:59:47,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:59:47,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:59:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 00:59:47,427 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:59:47,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:59:47,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225279777] [2021-11-06 00:59:47,428 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:59:47,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004953063] [2021-11-06 00:59:47,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004953063] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:59:47,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:59:47,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:59:47,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239999146] [2021-11-06 00:59:47,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:59:47,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:59:47,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:59:47,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:59:47,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:59:47,430 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:47,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:59:47,475 INFO L93 Difference]: Finished difference Result 540 states and 676 transitions. [2021-11-06 00:59:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:59:47,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 00:59:47,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:59:47,477 INFO L225 Difference]: With dead ends: 540 [2021-11-06 00:59:47,477 INFO L226 Difference]: Without dead ends: 331 [2021-11-06 00:59:47,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.37ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:59:47,478 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 130 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.97ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.23ms IncrementalHoareTripleChecker+Time [2021-11-06 00:59:47,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 564 Invalid, 66 Unknown, 0 Unchecked, 0.97ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 34.23ms Time] [2021-11-06 00:59:47,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-06 00:59:47,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 326. [2021-11-06 00:59:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 320 states have (on average 1.228125) internal successors, (393), 325 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:47,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 393 transitions. [2021-11-06 00:59:47,484 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 393 transitions. Word has length 103 [2021-11-06 00:59:47,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:59:47,485 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 393 transitions. [2021-11-06 00:59:47,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:47,485 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 393 transitions. [2021-11-06 00:59:47,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 00:59:47,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:59:47,486 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:59:47,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 00:59:47,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:59:47,695 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:59:47,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:59:47,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-06 00:59:47,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:59:47,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345725320] [2021-11-06 00:59:47,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:47,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:59:47,716 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:59:47,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [321288025] [2021-11-06 00:59:47,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:47,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:59:47,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:59:47,717 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:59:47,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 00:59:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:59:47,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 00:59:47,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:59:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:59:48,017 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:59:48,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:59:48,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345725320] [2021-11-06 00:59:48,018 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:59:48,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321288025] [2021-11-06 00:59:48,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321288025] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:59:48,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:59:48,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:59:48,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521682308] [2021-11-06 00:59:48,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:59:48,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:59:48,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:59:48,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:59:48,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:59:48,020 INFO L87 Difference]: Start difference. First operand 326 states and 393 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:48,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:59:48,204 INFO L93 Difference]: Finished difference Result 740 states and 900 transitions. [2021-11-06 00:59:48,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 00:59:48,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 00:59:48,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:59:48,205 INFO L225 Difference]: With dead ends: 740 [2021-11-06 00:59:48,206 INFO L226 Difference]: Without dead ends: 462 [2021-11-06 00:59:48,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.21ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:59:48,206 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 497 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 139.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.61ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 163.73ms IncrementalHoareTripleChecker+Time [2021-11-06 00:59:48,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 498 Invalid, 82 Unknown, 0 Unchecked, 1.61ms Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 163.73ms Time] [2021-11-06 00:59:48,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-06 00:59:48,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2021-11-06 00:59:48,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 404 states have (on average 1.2301980198019802) internal successors, (497), 409 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:48,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 497 transitions. [2021-11-06 00:59:48,214 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 497 transitions. Word has length 103 [2021-11-06 00:59:48,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:59:48,215 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 497 transitions. [2021-11-06 00:59:48,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:59:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 497 transitions. [2021-11-06 00:59:48,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 00:59:48,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:59:48,215 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:59:48,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-06 00:59:48,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:59:48,431 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:59:48,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:59:48,432 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-06 00:59:48,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:59:48,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575713504] [2021-11-06 00:59:48,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:48,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:59:48,441 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:59:48,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [827135269] [2021-11-06 00:59:48,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:59:48,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:59:48,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:59:48,442 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:59:48,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-06 00:59:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:59:48,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 00:59:48,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:59:48,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 00:59:48,592 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 6 treesize of output 5 [2021-11-06 00:59:48,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:48,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 00:59:48,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:48,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:48,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:48,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 00:59:49,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 00:59:49,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 00:59:49,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-06 00:59:49,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-06 00:59:49,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 00:59:49,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:49,466 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 00:59:49,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 00:59:49,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 00:59:50,911 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 00:59:50,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2831 treesize of output 2280 [2021-11-06 00:59:50,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:50,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:50,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:50,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:54,842 INFO L354 Elim1Store]: treesize reduction 7740, result has 3.5 percent of original size [2021-11-06 00:59:54,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 3300 treesize of output 1839 [2021-11-06 00:59:54,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:55,668 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 00:59:55,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2027 treesize of output 1769 [2021-11-06 00:59:56,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:56,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 00:59:56,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:56,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 00:59:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:56,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:56,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:59:56,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-06 00:59:57,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:59:57,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:59:57,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:05:51,646 WARN L230 SmtUtils]: Spent 5.91m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 [2021-11-06 01:05:51,648 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-06 01:05:51,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 2416232 treesize of output 988721 [2021-11-06 01:05:54,335 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 01:05:55,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:05:55,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:05:55,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:05:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:05:56,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:05:56,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:05:56,078 INFO L244 Elim1Store]: Index analysis took 295 ms [2021-11-06 01:05:56,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:05:56,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:05:56,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:05:56,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:05:56,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:05:56,282 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:05:56,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 680 treesize of output 308 [2021-11-06 01:05:57,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:05:59,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:02,130 INFO L244 Elim1Store]: Index analysis took 4311 ms [2021-11-06 01:06:02,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:02,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:02,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:03,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:03,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:04,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:04,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:05,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:05,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:05,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:06,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:06,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:06,393 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:06:06,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1451 treesize of output 633 [2021-11-06 01:06:06,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:07,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:08,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:08,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:08,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:08,539 INFO L244 Elim1Store]: Index analysis took 1792 ms [2021-11-06 01:06:08,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:08,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:08,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:09,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:09,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:09,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:09,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:10,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:10,103 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:06:10,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1287 treesize of output 571 [2021-11-06 01:06:10,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:10,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:10,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:10,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:10,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:10,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:10,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:10,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:10,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:10,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:10,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:10,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:10,381 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:06:10,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 2003407 treesize of output 1688537 [2021-11-06 01:06:31,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:31,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:31,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:31,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:31,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:31,329 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-06 01:06:31,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 15848 treesize of output 12367 [2021-11-06 01:06:57,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:57,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:57,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:57,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:57,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:06:57,394 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-06 01:06:57,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 14560 treesize of output 11407 [2021-11-06 01:07:05,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:05,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:05,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:05,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:05,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:05,638 INFO L244 Elim1Store]: Index analysis took 528 ms [2021-11-06 01:07:05,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:05,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:05,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:05,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:06,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:06,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:06,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:06,185 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:07:06,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1048 treesize of output 472 [2021-11-06 01:07:06,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:06,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:07,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:07,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:07,440 INFO L244 Elim1Store]: Index analysis took 1084 ms [2021-11-06 01:07:07,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:07,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:07,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:07,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:07,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:07,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:07,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:08,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:08,108 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:07:08,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 956 treesize of output 426 [2021-11-06 01:07:08,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:08,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:09,097 INFO L244 Elim1Store]: Index analysis took 811 ms [2021-11-06 01:07:09,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:09,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:09,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:09,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:09,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:09,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:09,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:09,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:09,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:09,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:09,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:09,926 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:07:09,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 957 treesize of output 400 [2021-11-06 01:07:10,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:10,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:10,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:10,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:10,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:10,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:10,640 INFO L244 Elim1Store]: Index analysis took 586 ms [2021-11-06 01:07:10,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:10,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:10,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:10,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:10,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:10,960 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:07:10,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 7902 treesize of output 5782 [2021-11-06 01:07:13,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:13,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:13,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:13,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:13,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:13,942 INFO L244 Elim1Store]: Index analysis took 373 ms [2021-11-06 01:07:13,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,273 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:07:14,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 981 treesize of output 418 [2021-11-06 01:07:14,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,866 INFO L244 Elim1Store]: Index analysis took 450 ms [2021-11-06 01:07:14,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:14,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:15,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:15,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:15,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:15,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:15,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:15,237 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:07:15,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1263 treesize of output 565 [2021-11-06 01:07:15,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,124 INFO L244 Elim1Store]: Index analysis took 299 ms [2021-11-06 01:07:16,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,549 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:07:16,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1005 treesize of output 430 [2021-11-06 01:07:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:16,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:17,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:17,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:17,085 INFO L244 Elim1Store]: Index analysis took 425 ms [2021-11-06 01:07:17,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:17,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:17,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:17,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:17,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:17,239 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:07:17,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-06 01:07:17,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:17,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:07:17,427 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 01:07:17,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 11505 treesize of output 7761 [2021-11-06 01:07:17,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:17,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:07:17,664 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 01:07:17,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 10562 treesize of output 7078 [2021-11-06 01:07:17,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:07:17,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:17,921 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 01:07:17,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 8924 treesize of output 4992 [2021-11-06 01:07:17,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:07:17,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:18,072 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 01:07:18,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 7054 treesize of output 4666 [2021-11-06 01:07:18,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:18,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:07:18,158 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-06 01:07:18,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6024 treesize of output 3987 [2021-11-06 01:07:18,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:07:18,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:18,227 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 01:07:18,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 5215 treesize of output 3451 [2021-11-06 01:07:18,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:18,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:07:18,390 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-06 01:07:18,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 4242 treesize of output 2597 [2021-11-06 01:07:18,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:07:18,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:18,449 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 01:07:18,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 3481 treesize of output 1990 [2021-11-06 01:07:18,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:18,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:07:18,512 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 01:07:18,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 2672 treesize of output 1386 [2021-11-06 01:07:19,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:19,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:19,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:19,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:19,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:19,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:19,700 INFO L354 Elim1Store]: treesize reduction 399, result has 0.3 percent of original size [2021-11-06 01:07:19,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 1109 treesize of output 910 [2021-11-06 01:07:20,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:20,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:20,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:20,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:20,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:20,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:20,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:07:20,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:20,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:20,428 INFO L354 Elim1Store]: treesize reduction 2438, result has 4.6 percent of original size [2021-11-06 01:07:20,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 845 treesize of output 856 [2021-11-06 01:07:20,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:20,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:20,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:20,611 INFO L354 Elim1Store]: treesize reduction 436, result has 12.3 percent of original size [2021-11-06 01:07:20,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 216 treesize of output 203 [2021-11-06 01:07:20,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:20,642 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-06 01:07:20,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 79 [2021-11-06 01:07:21,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:07:21,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:21,128 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-06 01:07:21,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-06 01:07:21,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:21,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:21,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:21,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:21,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:07:21,268 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-06 01:07:21,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-06 01:07:21,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:07:21,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:07:21,295 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-06 01:07:21,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-06 01:07:21,946 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-06 01:07:21,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-06 01:07:21,963 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-06 01:07:21,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 361 [2021-11-06 01:07:21,981 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:07:21,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 331 treesize of output 258 [2021-11-06 01:07:22,058 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 01:07:22,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-06 01:07:43,406 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-06 01:07:43,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 323 treesize of output 361 [2021-11-06 01:08:16,370 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 01:08:16,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 338 treesize of output 231 [2021-11-06 01:08:21,406 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-06 01:08:21,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 328 treesize of output 180 [2021-11-06 01:08:21,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 01:08:21,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-06 01:08:23,699 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (or (< (let ((.cse0 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse0)) (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse0))) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse1 (let ((.cse2 (store |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1)))))) (store .cse2 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse2 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse1 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse1 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9))) is different from false [2021-11-06 01:08:25,795 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_11)))) (select .cse0 (select (select .cse0 c_ULTIMATE.start_main_~users~0.base) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~users~0.base) .cse1)) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse7 (select .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse8 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse5 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9))))) is different from false [2021-11-06 01:08:27,899 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse9 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 c_ULTIMATE.start_main_~user~0.base) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~user~0.base) .cse9)) v_ULTIMATE.start_main_~_ha_head~0.base_5))))) is different from false [2021-11-06 01:08:30,243 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_10 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (let ((.cse9 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 c_ULTIMATE.start_main_~user~0.base) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~user~0.base) .cse9)) v_ULTIMATE.start_main_~_ha_head~0.base_5))))) is different from false Killed by 15