./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 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_BER_test9-2.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 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 22:37:21,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 22:37:21,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 22:37:21,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 22:37:21,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 22:37:21,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 22:37:21,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 22:37:21,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 22:37:21,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 22:37:21,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 22:37:21,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 22:37:21,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 22:37:21,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 22:37:21,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 22:37:21,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 22:37:21,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 22:37:21,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 22:37:21,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 22:37:21,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 22:37:21,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 22:37:21,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 22:37:21,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 22:37:21,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 22:37:21,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 22:37:21,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 22:37:21,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 22:37:21,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 22:37:21,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 22:37:21,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 22:37:21,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 22:37:21,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 22:37:21,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 22:37:21,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 22:37:21,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 22:37:21,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 22:37:21,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 22:37:21,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 22:37:21,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 22:37:21,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 22:37:21,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 22:37:21,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 22:37:21,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 22:37:21,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 22:37:21,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 22:37:21,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 22:37:21,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 22:37:21,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 22:37:21,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 22:37:21,735 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 22:37:21,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 22:37:21,735 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 22:37:21,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 22:37:21,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 22:37:21,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 22:37:21,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 22:37:21,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 22:37:21,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 22:37:21,737 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 22:37:21,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 22:37:21,737 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 22:37:21,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 22:37:21,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 22:37:21,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 22:37:21,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 22:37:21,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:37:21,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 22:37:21,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 22:37:21,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 22:37:21,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 22:37:21,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 22:37:21,739 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 22:37:21,739 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 22:37:21,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 22:37:21,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 22:37:21,739 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c [2021-11-06 22:37:21,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 22:37:21,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 22:37:21,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 22:37:21,977 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 22:37:21,978 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 22:37:21,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2021-11-06 22:37:22,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d38aa2b6d/b0c3a21751134395bc1ef4d1e8ba8417/FLAG99e0918e3 [2021-11-06 22:37:22,548 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 22:37:22,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2021-11-06 22:37:22,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d38aa2b6d/b0c3a21751134395bc1ef4d1e8ba8417/FLAG99e0918e3 [2021-11-06 22:37:23,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d38aa2b6d/b0c3a21751134395bc1ef4d1e8ba8417 [2021-11-06 22:37:23,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 22:37:23,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 22:37:23,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 22:37:23,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 22:37:23,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 22:37:23,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:23" (1/1) ... [2021-11-06 22:37:23,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1079465e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23, skipping insertion in model container [2021-11-06 22:37:23,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:23" (1/1) ... [2021-11-06 22:37:23,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 22:37:23,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 22:37:23,500 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_BER_test9-2.i[33021,33034] [2021-11-06 22:37:23,696 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_BER_test9-2.i[84583,84596] [2021-11-06 22:37:23,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:37:23,711 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 22:37:23,727 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_BER_test9-2.i[33021,33034] [2021-11-06 22:37:23,854 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_BER_test9-2.i[84583,84596] [2021-11-06 22:37:23,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:37:23,901 INFO L208 MainTranslator]: Completed translation [2021-11-06 22:37:23,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23 WrapperNode [2021-11-06 22:37:23,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 22:37:23,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 22:37:23,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 22:37:23,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 22:37:23,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2021-11-06 22:37:23,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2021-11-06 22:37:24,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 22:37:24,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 22:37:24,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 22:37:24,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 22:37:24,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2021-11-06 22:37:24,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2021-11-06 22:37:24,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2021-11-06 22:37:24,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2021-11-06 22:37:24,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2021-11-06 22:37:24,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2021-11-06 22:37:24,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2021-11-06 22:37:24,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 22:37:24,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 22:37:24,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 22:37:24,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 22:37:24,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (1/1) ... [2021-11-06 22:37:24,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:37:24,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:24,342 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 22:37:24,360 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 22:37:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 22:37:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 22:37:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 22:37:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 22:37:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 22:37:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 22:37:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 22:37:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 22:37:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 22:37:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 22:37:24,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 22:37:26,541 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 22:37:26,542 INFO L299 CfgBuilder]: Removed 1075 assume(true) statements. [2021-11-06 22:37:26,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:26 BoogieIcfgContainer [2021-11-06 22:37:26,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 22:37:26,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 22:37:26,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 22:37:26,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 22:37:26,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:37:23" (1/3) ... [2021-11-06 22:37:26,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492eec0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:26, skipping insertion in model container [2021-11-06 22:37:26,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:23" (2/3) ... [2021-11-06 22:37:26,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492eec0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:26, skipping insertion in model container [2021-11-06 22:37:26,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:26" (3/3) ... [2021-11-06 22:37:26,553 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test9-2.i [2021-11-06 22:37:26,556 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 22:37:26,556 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-06 22:37:26,598 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 22:37:26,603 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 22:37:26,603 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-06 22:37:26,642 INFO L276 IsEmpty]: Start isEmpty. Operand has 2186 states, 1684 states have (on average 1.9667458432304037) internal successors, (3312), 2185 states have internal predecessors, (3312), 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 22:37:26,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 22:37:26,647 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:26,648 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:37:26,648 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:26,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:26,652 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-06 22:37:26,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:26,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062445458] [2021-11-06 22:37:26,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:26,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:26,757 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 22:37:26,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:26,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062445458] [2021-11-06 22:37:26,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062445458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:26,759 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:26,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 22:37:26,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272784049] [2021-11-06 22:37:26,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 22:37:26,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:26,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 22:37:26,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 22:37:26,775 INFO L87 Difference]: Start difference. First operand has 2186 states, 1684 states have (on average 1.9667458432304037) internal successors, (3312), 2185 states have internal predecessors, (3312), 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 22:37:26,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:26,872 INFO L93 Difference]: Finished difference Result 4370 states and 6622 transitions. [2021-11-06 22:37:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 22:37:26,873 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 22:37:26,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:26,890 INFO L225 Difference]: With dead ends: 4370 [2021-11-06 22:37:26,890 INFO L226 Difference]: Without dead ends: 2153 [2021-11-06 22:37:26,895 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 22:37:26,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-06 22:37:26,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-06 22:37:26,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1652 states have (on average 1.6343825665859564) internal successors, (2700), 2152 states have internal predecessors, (2700), 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 22:37:26,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-06 22:37:26,980 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-06 22:37:26,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:26,980 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-06 22:37:26,981 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 22:37:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-06 22:37:26,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 22:37:26,996 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:26,997 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:37:26,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 22:37:26,997 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:26,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:26,997 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-06 22:37:26,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:26,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383137191] [2021-11-06 22:37:26,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:26,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:27,047 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 22:37:27,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:27,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383137191] [2021-11-06 22:37:27,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383137191] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:27,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:27,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:37:27,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012710287] [2021-11-06 22:37:27,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:37:27,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:27,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:37:27,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:37:27,051 INFO L87 Difference]: Start difference. First operand 2153 states and 2700 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 22:37:27,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:27,375 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-06 22:37:27,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:37:27,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 44 [2021-11-06 22:37:27,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:27,386 INFO L225 Difference]: With dead ends: 6317 [2021-11-06 22:37:27,386 INFO L226 Difference]: Without dead ends: 4254 [2021-11-06 22:37:27,391 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:37:27,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-06 22:37:27,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-06 22:37:27,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1654 states have (on average 1.6336154776299878) internal successors, (2702), 2154 states have internal predecessors, (2702), 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 22:37:27,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-06 22:37:27,430 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-06 22:37:27,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:27,431 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-06 22:37:27,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 22:37:27,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-06 22:37:27,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:37:27,433 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:27,433 INFO L513 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] [2021-11-06 22:37:27,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 22:37:27,433 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:27,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:27,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-06 22:37:27,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:27,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425666728] [2021-11-06 22:37:27,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:27,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:27,449 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:37:27,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1707111958] [2021-11-06 22:37:27,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:27,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:27,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:27,452 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 22:37:27,510 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 22:37:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:27,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:37:27,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:37:27,879 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 22:37:27,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:27,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425666728] [2021-11-06 22:37:27,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:37:27,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707111958] [2021-11-06 22:37:27,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707111958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:27,881 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:27,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:37:27,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028728826] [2021-11-06 22:37:27,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:37:27,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:27,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:37:27,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:37:27,883 INFO L87 Difference]: Start difference. First operand 2155 states and 2702 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 22:37:27,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:27,984 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-06 22:37:27,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:37:27,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 96 [2021-11-06 22:37:27,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:27,991 INFO L225 Difference]: With dead ends: 4327 [2021-11-06 22:37:27,992 INFO L226 Difference]: Without dead ends: 2176 [2021-11-06 22:37:27,997 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:37:28,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-06 22:37:28,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-06 22:37:28,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1674 states have (on average 1.6260454002389486) internal successors, (2722), 2174 states have internal predecessors, (2722), 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 22:37:28,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-06 22:37:28,040 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-06 22:37:28,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:28,041 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-06 22:37:28,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 22:37:28,044 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-06 22:37:28,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:37:28,049 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:28,050 INFO L513 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] [2021-11-06 22:37:28,077 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 22:37:28,277 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 22:37:28,278 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:28,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:28,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-06 22:37:28,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:28,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722962580] [2021-11-06 22:37:28,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:28,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:28,305 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:37:28,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [646006734] [2021-11-06 22:37:28,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:28,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:28,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:28,329 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 22:37:28,330 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 22:37:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:28,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:37:28,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:37:28,670 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 22:37:28,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:28,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722962580] [2021-11-06 22:37:28,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:37:28,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646006734] [2021-11-06 22:37:28,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646006734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:28,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:28,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:37:28,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586620507] [2021-11-06 22:37:28,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:37:28,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:28,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:37:28,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:37:28,673 INFO L87 Difference]: Start difference. First operand 2175 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 22:37:28,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:28,745 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-06 22:37:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:37:28,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 96 [2021-11-06 22:37:28,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:28,751 INFO L225 Difference]: With dead ends: 4258 [2021-11-06 22:37:28,752 INFO L226 Difference]: Without dead ends: 2196 [2021-11-06 22:37:28,754 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:37:28,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-06 22:37:28,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-06 22:37:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2195 states, 1694 states have (on average 1.6186540731995278) internal successors, (2742), 2194 states have internal predecessors, (2742), 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 22:37:28,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-06 22:37:28,787 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-06 22:37:28,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:28,787 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-06 22:37:28,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 22:37:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-06 22:37:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:37:28,789 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:28,789 INFO L513 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] [2021-11-06 22:37:28,806 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 22:37:29,006 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 22:37:29,007 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:29,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:29,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-06 22:37:29,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:29,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840749071] [2021-11-06 22:37:29,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:29,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:29,040 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:37:29,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1366281786] [2021-11-06 22:37:29,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:29,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:29,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:29,042 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 22:37:29,043 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 22:37:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:29,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:37:29,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:37:29,421 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 22:37:29,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:29,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840749071] [2021-11-06 22:37:29,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:37:29,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366281786] [2021-11-06 22:37:29,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366281786] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:29,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:29,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:37:29,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117546471] [2021-11-06 22:37:29,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:37:29,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:29,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:37:29,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:37:29,423 INFO L87 Difference]: Start difference. First operand 2195 states and 2742 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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 22:37:29,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:29,523 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-06 22:37:29,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:37:29,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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 96 [2021-11-06 22:37:29,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:29,529 INFO L225 Difference]: With dead ends: 4378 [2021-11-06 22:37:29,529 INFO L226 Difference]: Without dead ends: 2187 [2021-11-06 22:37:29,531 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:37:29,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-06 22:37:29,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-06 22:37:29,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1680 states have (on average 1.6196428571428572) internal successors, (2721), 2180 states have internal predecessors, (2721), 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 22:37:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-06 22:37:29,555 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-06 22:37:29,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:29,555 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-06 22:37:29,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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 22:37:29,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-06 22:37:29,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:37:29,556 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:29,556 INFO L513 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] [2021-11-06 22:37:29,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-06 22:37:29,772 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 22:37:29,772 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:29,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:29,773 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-06 22:37:29,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:29,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028424914] [2021-11-06 22:37:29,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:29,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:29,787 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:37:29,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1716731629] [2021-11-06 22:37:29,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:29,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:29,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:29,789 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 22:37:29,790 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 22:37:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:29,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:37:29,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:37:30,142 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 22:37:30,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:30,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028424914] [2021-11-06 22:37:30,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:37:30,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716731629] [2021-11-06 22:37:30,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716731629] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:30,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:30,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:37:30,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579856333] [2021-11-06 22:37:30,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:37:30,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:30,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:37:30,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:37:30,144 INFO L87 Difference]: Start difference. First operand 2181 states and 2721 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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 22:37:30,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:30,216 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-06 22:37:30,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:37:30,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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 96 [2021-11-06 22:37:30,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:30,221 INFO L225 Difference]: With dead ends: 4255 [2021-11-06 22:37:30,221 INFO L226 Difference]: Without dead ends: 2173 [2021-11-06 22:37:30,224 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:37:30,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-06 22:37:30,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-06 22:37:30,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 1666 states have (on average 1.6206482593037215) internal successors, (2700), 2166 states have internal predecessors, (2700), 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 22:37:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-06 22:37:30,248 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-06 22:37:30,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:30,249 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-06 22:37:30,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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 22:37:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-06 22:37:30,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:37:30,260 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:30,260 INFO L513 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] [2021-11-06 22:37:30,280 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 22:37:30,475 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 22:37:30,475 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:30,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:30,476 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-06 22:37:30,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:30,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743481528] [2021-11-06 22:37:30,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:30,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:30,487 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:37:30,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1587586152] [2021-11-06 22:37:30,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:30,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:30,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:30,504 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 22:37:30,506 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 22:37:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:30,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 22:37:30,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:37:30,992 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 22:37:30,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:30,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743481528] [2021-11-06 22:37:30,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:37:30,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587586152] [2021-11-06 22:37:30,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587586152] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:30,996 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:30,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:37:30,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609019726] [2021-11-06 22:37:30,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:37:30,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:30,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:37:30,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:37:30,999 INFO L87 Difference]: Start difference. First operand 2167 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 22:37:31,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:31,088 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-06 22:37:31,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:37:31,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 96 [2021-11-06 22:37:31,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:31,098 INFO L225 Difference]: With dead ends: 6426 [2021-11-06 22:37:31,098 INFO L226 Difference]: Without dead ends: 4263 [2021-11-06 22:37:31,101 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:37:31,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-06 22:37:31,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-06 22:37:31,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 2760 states have (on average 1.7409420289855073) internal successors, (4805), 3260 states have internal predecessors, (4805), 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 22:37:31,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-06 22:37:31,157 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-06 22:37:31,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:31,158 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-06 22:37:31,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 22:37:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-06 22:37:31,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 22:37:31,159 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:31,160 INFO L513 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 22:37:31,180 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 22:37:31,378 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 22:37:31,378 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:31,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:31,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-06 22:37:31,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:31,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062787011] [2021-11-06 22:37:31,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:31,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:31,398 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:37:31,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [630290388] [2021-11-06 22:37:31,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:31,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:31,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:31,402 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 22:37:31,430 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 22:37:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:31,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 22:37:31,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:37:31,866 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 22:37:31,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:31,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062787011] [2021-11-06 22:37:31,866 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:37:31,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630290388] [2021-11-06 22:37:31,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630290388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:31,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:31,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:37:31,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850861258] [2021-11-06 22:37:31,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:37:31,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:31,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:37:31,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:37:31,868 INFO L87 Difference]: Start difference. First operand 3261 states and 4805 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 22:37:32,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:32,011 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-06 22:37:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:37:32,012 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 22:37:32,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:32,018 INFO L225 Difference]: With dead ends: 5424 [2021-11-06 22:37:32,018 INFO L226 Difference]: Without dead ends: 2211 [2021-11-06 22:37:32,021 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:37:32,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-06 22:37:32,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-06 22:37:32,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1710 states have (on average 1.6064327485380117) internal successors, (2747), 2210 states have internal predecessors, (2747), 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 22:37:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-06 22:37:32,049 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-06 22:37:32,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:32,050 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-06 22:37:32,050 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 22:37:32,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-06 22:37:32,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 22:37:32,052 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:32,052 INFO L513 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 22:37:32,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-06 22:37:32,268 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 22:37:32,269 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:32,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:32,269 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-06 22:37:32,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:32,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934843937] [2021-11-06 22:37:32,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:32,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:32,280 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:37:32,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [249714446] [2021-11-06 22:37:32,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:32,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:32,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:32,282 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 22:37:32,283 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 22:37:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:32,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 22:37:32,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:37:32,593 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 22:37:32,597 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 22:37:32,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:32,624 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 22:37:32,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:32,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:32,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:32,666 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 22:37:33,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,548 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 22:37:33,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,554 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 22:37:33,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,631 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 85 treesize of output 66 [2021-11-06 22:37:33,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,647 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 66 treesize of output 47 [2021-11-06 22:37:33,697 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 22:37:33,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,708 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 66 treesize of output 47 [2021-11-06 22:37:33,720 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 22:37:33,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:33,736 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 22:37:33,737 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 22:37:35,501 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 22:37:35,501 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 2845 treesize of output 2294 [2021-11-06 22:37:35,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:37,018 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 22:37:37,019 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 3260 treesize of output 2918 [2021-11-06 22:37:37,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:37,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:37,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:37,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:37,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:37,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:37,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:42,897 WARN L207 SmtUtils]: Spent 5.83 s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-06 22:37:42,898 INFO L354 Elim1Store]: treesize reduction 11587, result has 3.5 percent of original size [2021-11-06 22:37:42,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2271 [2021-11-06 22:37:43,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,458 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 22:37:43,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,660 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 22:37:43,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:37:43,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:37:43,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:37:43,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:43,874 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-11-06 22:37:43,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 949 treesize of output 443 [2021-11-06 22:37:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:44,440 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 64 treesize of output 28 [2021-11-06 22:37:45,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:45,326 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-06 22:37:45,327 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 206 treesize of output 133 [2021-11-06 22:37:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:45,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:51,380 WARN L207 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 446 DAG size of output: 127 [2021-11-06 22:37:51,381 INFO L354 Elim1Store]: treesize reduction 15508, result has 2.1 percent of original size [2021-11-06 22:37:51,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 30 case distinctions, treesize of input 93399 treesize of output 50289 [2021-11-06 22:37:51,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 22:37:51,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:51,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:51,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:51,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:51,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:37:51,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:37:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:51,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:37:51,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:52,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:52,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:52,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:52,124 INFO L244 Elim1Store]: Index analysis took 321 ms [2021-11-06 22:37:52,134 INFO L354 Elim1Store]: treesize reduction 246, result has 0.4 percent of original size [2021-11-06 22:37:52,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 1623 treesize of output 743 [2021-11-06 22:37:52,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:52,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:52,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:52,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:52,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:52,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:37:52,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:37:52,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:52,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:37:52,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:52,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:52,506 INFO L244 Elim1Store]: Index analysis took 208 ms [2021-11-06 22:37:52,955 INFO L354 Elim1Store]: treesize reduction 184, result has 49.3 percent of original size [2021-11-06 22:37:52,955 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 6 new quantified variables, introduced 6 case distinctions, treesize of input 1909 treesize of output 1127 [2021-11-06 22:37:53,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:53,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:53,141 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-06 22:37:53,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 13 case distinctions, treesize of input 66163 treesize of output 52073 [2021-11-06 22:37:53,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:53,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:53,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:53,618 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-06 22:37:53,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 46447 treesize of output 45943 [2021-11-06 22:37:53,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:53,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:53,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:53,951 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-06 22:37:53,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 45937 treesize of output 45433 [2021-11-06 22:37:59,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:59,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:59,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:59,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:59,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:59,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:59,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:59,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:59,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:59,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:59,953 INFO L354 Elim1Store]: treesize reduction 270, result has 0.4 percent of original size [2021-11-06 22:37:59,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 3804 treesize of output 3596 [2021-11-06 22:38:00,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:38:00,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:38:00,110 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-06 22:38:00,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 1553 treesize of output 759 [2021-11-06 22:38:00,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,222 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:38:00,223 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 133 treesize of output 69 [2021-11-06 22:38:00,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,266 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:38:00,266 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 141 treesize of output 73 [2021-11-06 22:38:00,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:38:00,286 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 22:38:00,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1312 treesize of output 570 [2021-11-06 22:38:00,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:38:00,305 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 22:38:00,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1184 treesize of output 514 [2021-11-06 22:38:00,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:38:00,322 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 22:38:00,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1048 treesize of output 542 [2021-11-06 22:38:00,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:38:00,339 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 22:38:00,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 916 treesize of output 852 [2021-11-06 22:38:00,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:38:00,351 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 22:38:00,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 780 treesize of output 720 [2021-11-06 22:38:00,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 75 [2021-11-06 22:38:00,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:38:00,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:00,580 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 22:38:00,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 109 treesize of output 108 [2021-11-06 22:38:01,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:38:01,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,099 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-06 22:38:01,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 309 treesize of output 218 [2021-11-06 22:38:01,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:38:01,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,206 INFO L354 Elim1Store]: treesize reduction 646, result has 11.6 percent of original size [2021-11-06 22:38:01,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 260 treesize of output 256 [2021-11-06 22:38:01,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:38:01,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:38:01,232 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-06 22:38:01,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 209 treesize of output 199 [2021-11-06 22:38:01,696 INFO L354 Elim1Store]: treesize reduction 412, result has 39.4 percent of original size [2021-11-06 22:38:01,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 220 treesize of output 388 [2021-11-06 22:38:01,713 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-06 22:38:01,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 364 treesize of output 282 [2021-11-06 22:38:01,773 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 22:38:01,773 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 270 treesize of output 290 [2021-11-06 22:38:01,789 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:38:01,789 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 3 case distinctions, treesize of input 266 treesize of output 254 [2021-11-06 22:38:08,468 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-06 22:38:08,468 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 272 treesize of output 308 [2021-11-06 22:39:44,372 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 22:39:44,373 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 347 treesize of output 232 [2021-11-06 22:39:49,543 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-06 22:39:49,544 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 337 treesize of output 177 [2021-11-06 22:39:49,655 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 22:39:49,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:39:49,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934843937] [2021-11-06 22:39:49,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:39:49,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249714446] [2021-11-06 22:39:49,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249714446] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 22:39:49,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 22:39:49,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-11-06 22:39:49,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743718400] [2021-11-06 22:39:49,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-06 22:39:49,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:39:49,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-06 22:39:49,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-06 22:39:49,657 INFO L87 Difference]: Start difference. First operand 2211 states and 2747 transitions. Second operand has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 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 22:40:03,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:40:03,838 INFO L93 Difference]: Finished difference Result 4310 states and 5365 transitions. [2021-11-06 22:40:03,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-06 22:40:03,839 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 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 110 [2021-11-06 22:40:03,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:40:03,844 INFO L225 Difference]: With dead ends: 4310 [2021-11-06 22:40:03,845 INFO L226 Difference]: Without dead ends: 2241 [2021-11-06 22:40:03,847 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-11-06 22:40:03,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2021-11-06 22:40:03,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2233. [2021-11-06 22:40:03,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2233 states, 1732 states have (on average 1.6016166281755195) internal successors, (2774), 2232 states have internal predecessors, (2774), 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 22:40:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 2233 states and 2774 transitions. [2021-11-06 22:40:03,873 INFO L78 Accepts]: Start accepts. Automaton has 2233 states and 2774 transitions. Word has length 110 [2021-11-06 22:40:03,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:40:03,873 INFO L470 AbstractCegarLoop]: Abstraction has 2233 states and 2774 transitions. [2021-11-06 22:40:03,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 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 22:40:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 2774 transitions. [2021-11-06 22:40:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 22:40:03,874 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:40:03,874 INFO L513 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 22:40:03,895 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 22:40:04,089 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 22:40:04,089 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:40:04,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:40:04,090 INFO L85 PathProgramCache]: Analyzing trace with hash 108037212, now seen corresponding path program 1 times [2021-11-06 22:40:04,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:40:04,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436310673] [2021-11-06 22:40:04,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:40:04,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:40:04,115 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:40:04,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1399610329] [2021-11-06 22:40:04,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:40:04,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:40:04,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:40:04,139 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 22:40:04,140 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 22:40:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:40:04,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-06 22:40:04,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:40:05,099 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 22:40:05,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:40:05,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436310673] [2021-11-06 22:40:05,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:40:05,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399610329] [2021-11-06 22:40:05,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399610329] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:40:05,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:40:05,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:40:05,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193443056] [2021-11-06 22:40:05,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:40:05,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:40:05,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:40:05,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:40:05,101 INFO L87 Difference]: Start difference. First operand 2233 states and 2774 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 22:40:05,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:40:05,140 INFO L93 Difference]: Finished difference Result 4391 states and 5462 transitions. [2021-11-06 22:40:05,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:40:05,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 110 [2021-11-06 22:40:05,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:40:05,150 INFO L225 Difference]: With dead ends: 4391 [2021-11-06 22:40:05,150 INFO L226 Difference]: Without dead ends: 2212 [2021-11-06 22:40:05,152 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:40:05,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2021-11-06 22:40:05,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 2212. [2021-11-06 22:40:05,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2212 states, 1711 states have (on average 1.6060783167738164) internal successors, (2748), 2211 states have internal predecessors, (2748), 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 22:40:05,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 2748 transitions. [2021-11-06 22:40:05,178 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 2748 transitions. Word has length 110 [2021-11-06 22:40:05,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:40:05,178 INFO L470 AbstractCegarLoop]: Abstraction has 2212 states and 2748 transitions. [2021-11-06 22:40:05,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 22:40:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2748 transitions. [2021-11-06 22:40:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-06 22:40:05,179 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:40:05,180 INFO L513 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, 1] [2021-11-06 22:40:05,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-06 22:40:05,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-06 22:40:05,392 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:40:05,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:40:05,393 INFO L85 PathProgramCache]: Analyzing trace with hash -949669425, now seen corresponding path program 1 times [2021-11-06 22:40:05,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:40:05,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365252146] [2021-11-06 22:40:05,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:40:05,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:40:05,407 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:40:05,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1504194157] [2021-11-06 22:40:05,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:40:05,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:40:05,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:40:05,428 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:40:05,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-06 22:40:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:40:06,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-06 22:40:06,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:40:06,120 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 22:40:06,132 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 22:40:06,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:06,210 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 22:40:06,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:06,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:06,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:06,316 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 22:40:07,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,680 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 61 treesize of output 55 [2021-11-06 22:40:07,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,692 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 37 treesize of output 42 [2021-11-06 22:40:07,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,829 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 22:40:07,886 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 22:40:07,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,907 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 22:40:07,907 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 22:40:07,925 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 22:40:07,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:07,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-06 22:40:08,153 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-06 22:40:08,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 99 [2021-11-06 22:40:08,175 INFO L354 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2021-11-06 22:40:08,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 122 [2021-11-06 22:40:08,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:08,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:08,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:08,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:08,234 INFO L354 Elim1Store]: treesize reduction 236, result has 12.3 percent of original size [2021-11-06 22:40:08,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 148 treesize of output 150 [2021-11-06 22:40:11,776 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-06 22:40:11,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2907 treesize of output 2371 [2021-11-06 22:40:11,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:11,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:11,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:11,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:18,910 WARN L207 SmtUtils]: Spent 7.09 s on a formula simplification. DAG size of input: 414 DAG size of output: 106 [2021-11-06 22:40:18,911 INFO L354 Elim1Store]: treesize reduction 9069, result has 4.8 percent of original size [2021-11-06 22:40:18,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 3462 treesize of output 2164 [2021-11-06 22:40:18,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:21,099 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-06 22:40:21,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 2415 treesize of output 2138 [2021-11-06 22:40:39,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:39,862 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 54 treesize of output 24 [2021-11-06 22:40:41,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:41,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:41,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:41,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:40:41,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:41,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:41,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:41,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:54,640 WARN L207 SmtUtils]: Spent 13.50 s on a formula simplification. DAG size of input: 621 DAG size of output: 174 [2021-11-06 22:40:54,640 INFO L354 Elim1Store]: treesize reduction 22384, result has 2.6 percent of original size [2021-11-06 22:40:54,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 18 new quantified variables, introduced 42 case distinctions, treesize of input 62531 treesize of output 35347 [2021-11-06 22:40:54,861 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 22:40:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:55,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:55,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:55,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:55,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:40:55,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:40:55,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:55,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:40:55,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:55,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:40:55,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:55,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:55,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:55,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:55,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:55,753 INFO L244 Elim1Store]: Index analysis took 548 ms [2021-11-06 22:40:56,679 INFO L354 Elim1Store]: treesize reduction 250, result has 49.3 percent of original size [2021-11-06 22:40:56,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2039 treesize of output 1289 [2021-11-06 22:40:57,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:40:57,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:40:57,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:40:57,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:40:57,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:40:57,751 INFO L244 Elim1Store]: Index analysis took 514 ms [2021-11-06 22:40:58,405 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:40:58,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 2017 treesize of output 1369 [2021-11-06 22:41:14,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:14,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:14,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:14,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:14,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,490 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-06 22:41:14,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 5 case distinctions, treesize of input 3854 treesize of output 2351 [2021-11-06 22:41:14,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:14,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:14,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:14,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:14,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:14,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:15,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:15,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:15,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:15,020 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-11-06 22:41:15,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 3651 treesize of output 2289 [2021-11-06 22:41:24,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:24,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:24,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:24,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:24,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:24,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:24,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:24,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:24,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:24,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:24,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:24,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:24,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:24,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:24,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:24,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:24,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:24,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:25,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:25,003 INFO L244 Elim1Store]: Index analysis took 159 ms [2021-11-06 22:41:25,360 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:41:25,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 2004 treesize of output 1344 [2021-11-06 22:41:25,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:25,972 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 22:41:27,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:27,901 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 64 treesize of output 28 [2021-11-06 22:41:27,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:27,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:27,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:27,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:27,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:27,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:27,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:27,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:27,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:27,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:27,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:27,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:27,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:27,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,053 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-06 22:41:28,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 2526 treesize of output 1466 [2021-11-06 22:41:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,248 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:41:28,248 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 215 treesize of output 109 [2021-11-06 22:41:28,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,416 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:41:28,416 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 239 treesize of output 109 [2021-11-06 22:41:28,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,466 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:41:28,466 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 419 treesize of output 229 [2021-11-06 22:41:28,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:28,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,815 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 22:41:28,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1319 treesize of output 889 [2021-11-06 22:41:28,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:28,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,847 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 22:41:28,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1117 treesize of output 699 [2021-11-06 22:41:28,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:28,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,877 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 22:41:28,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 891 treesize of output 569 [2021-11-06 22:41:28,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:28,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:28,905 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 22:41:28,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 677 treesize of output 571 [2021-11-06 22:41:29,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:29,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,128 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-06 22:41:29,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 224 [2021-11-06 22:41:29,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:29,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 68 [2021-11-06 22:41:29,215 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-06 22:41:29,215 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 241 treesize of output 155 [2021-11-06 22:41:30,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:30,052 INFO L354 Elim1Store]: treesize reduction 268, result has 12.4 percent of original size [2021-11-06 22:41:30,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 369 treesize of output 278 [2021-11-06 22:41:30,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:30,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:30,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:30,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:41:30,242 INFO L354 Elim1Store]: treesize reduction 1264, result has 8.5 percent of original size [2021-11-06 22:41:30,242 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 320 treesize of output 316 [2021-11-06 22:41:30,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:41:30,284 INFO L354 Elim1Store]: treesize reduction 170, result has 17.5 percent of original size [2021-11-06 22:41:30,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 269 treesize of output 217 [2021-11-06 22:41:31,227 INFO L354 Elim1Store]: treesize reduction 1156, result has 22.5 percent of original size [2021-11-06 22:41:31,228 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 264 treesize of output 476 [2021-11-06 22:41:31,240 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-06 22:41:31,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 452 treesize of output 357 [2021-11-06 22:41:31,253 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-06 22:41:31,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 348 treesize of output 286 [2021-11-06 22:41:31,331 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 22:41:31,332 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 22:41:46,545 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-06 22:41:46,545 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 272 treesize of output 308 [2021-11-06 22:43:01,590 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 22:43:01,591 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 399 treesize of output 252 [2021-11-06 22:43:04,950 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-06 22:43:04,951 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 389 treesize of output 197 [2021-11-06 22:43:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:43:05,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:43:05,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365252146] [2021-11-06 22:43:05,074 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:43:05,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504194157] [2021-11-06 22:43:05,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504194157] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 22:43:05,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 22:43:05,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-11-06 22:43:05,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143725766] [2021-11-06 22:43:05,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-06 22:43:05,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:43:05,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-06 22:43:05,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-06 22:43:05,076 INFO L87 Difference]: Start difference. First operand 2212 states and 2748 transitions. Second operand has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 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 22:43:24,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:43:24,930 INFO L93 Difference]: Finished difference Result 4308 states and 5362 transitions. [2021-11-06 22:43:24,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-06 22:43:24,931 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 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 111 [2021-11-06 22:43:24,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:43:24,955 INFO L225 Difference]: With dead ends: 4308 [2021-11-06 22:43:24,955 INFO L226 Difference]: Without dead ends: 2239 [2021-11-06 22:43:24,967 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2021-11-06 22:43:24,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2021-11-06 22:43:24,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2231. [2021-11-06 22:43:25,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 1730 states have (on average 1.6017341040462427) internal successors, (2771), 2230 states have internal predecessors, (2771), 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 22:43:25,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2771 transitions. [2021-11-06 22:43:25,010 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2771 transitions. Word has length 111 [2021-11-06 22:43:25,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:43:25,010 INFO L470 AbstractCegarLoop]: Abstraction has 2231 states and 2771 transitions. [2021-11-06 22:43:25,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 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 22:43:25,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2771 transitions. [2021-11-06 22:43:25,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-06 22:43:25,011 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:43:25,012 INFO L513 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, 1] [2021-11-06 22:43:25,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-06 22:43:25,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:43:25,232 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:43:25,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:43:25,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1383398511, now seen corresponding path program 1 times [2021-11-06 22:43:25,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:43:25,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627737532] [2021-11-06 22:43:25,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:43:25,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:43:25,252 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:43:25,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [265338409] [2021-11-06 22:43:25,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:43:25,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:43:25,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:43:25,257 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:43:25,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-06 22:43:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:43:26,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-06 22:43:26,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:43:26,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:43:26,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:43:26,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627737532] [2021-11-06 22:43:26,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:43:26,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265338409] [2021-11-06 22:43:26,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265338409] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 22:43:26,547 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 22:43:26,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-11-06 22:43:26,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849073030] [2021-11-06 22:43:26,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:43:26,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:43:26,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:43:26,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:43:26,548 INFO L87 Difference]: Start difference. First operand 2231 states and 2771 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 22:43:26,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:43:26,643 INFO L93 Difference]: Finished difference Result 6539 states and 8137 transitions. [2021-11-06 22:43:26,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:43:26,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 111 [2021-11-06 22:43:26,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:43:26,664 INFO L225 Difference]: With dead ends: 6539 [2021-11-06 22:43:26,664 INFO L226 Difference]: Without dead ends: 4367 [2021-11-06 22:43:26,667 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:43:26,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4367 states. [2021-11-06 22:43:26,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4367 to 2213. [2021-11-06 22:43:26,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 1712 states have (on average 1.6057242990654206) internal successors, (2749), 2212 states have internal predecessors, (2749), 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 22:43:26,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2749 transitions. [2021-11-06 22:43:26,698 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2749 transitions. Word has length 111 [2021-11-06 22:43:26,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:43:26,699 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 2749 transitions. [2021-11-06 22:43:26,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 22:43:26,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2749 transitions. [2021-11-06 22:43:26,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-06 22:43:26,699 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:43:26,700 INFO L513 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, 1, 1] [2021-11-06 22:43:26,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-06 22:43:26,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-06 22:43:26,922 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:43:26,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:43:26,922 INFO L85 PathProgramCache]: Analyzing trace with hash -718645671, now seen corresponding path program 1 times [2021-11-06 22:43:26,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:43:26,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851477558] [2021-11-06 22:43:26,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:43:26,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:43:26,935 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:43:26,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118402743] [2021-11-06 22:43:26,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:43:26,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:43:26,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:43:26,937 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:43:26,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-06 22:43:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:43:27,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-06 22:43:27,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:43:27,905 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 22:43:27,912 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 22:43:27,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:27,977 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 22:43:28,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:28,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:28,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:28,085 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 22:43:29,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,784 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 22:43:29,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,796 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 22:43:29,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,930 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 85 treesize of output 66 [2021-11-06 22:43:29,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:29,946 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 66 treesize of output 47 [2021-11-06 22:43:30,082 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 22:43:30,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:30,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:30,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:30,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:30,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:30,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:30,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:30,121 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 66 treesize of output 47 [2021-11-06 22:43:30,148 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 35 treesize of output 31 [2021-11-06 22:43:30,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:30,184 INFO L354 Elim1Store]: treesize reduction 60, result has 34.1 percent of original size [2021-11-06 22:43:30,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 34 treesize of output 51 [2021-11-06 22:43:30,474 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-06 22:43:30,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 150 treesize of output 104 [2021-11-06 22:43:30,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:30,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:30,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:30,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:30,526 INFO L354 Elim1Store]: treesize reduction 172, result has 16.1 percent of original size [2021-11-06 22:43:30,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 140 treesize of output 142 [2021-11-06 22:43:30,547 INFO L354 Elim1Store]: treesize reduction 61, result has 12.9 percent of original size [2021-11-06 22:43:30,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 120 [2021-11-06 22:43:34,373 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-06 22:43:34,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2901 treesize of output 2371 [2021-11-06 22:43:34,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:34,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:34,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:42,384 WARN L207 SmtUtils]: Spent 7.97 s on a formula simplification. DAG size of input: 414 DAG size of output: 106 [2021-11-06 22:43:42,384 INFO L354 Elim1Store]: treesize reduction 9105, result has 4.4 percent of original size [2021-11-06 22:43:42,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 3456 treesize of output 2122 [2021-11-06 22:43:42,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:44,327 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-06 22:43:44,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 2380 treesize of output 2121 [2021-11-06 22:43:44,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:44,749 INFO L354 Elim1Store]: treesize reduction 44, result has 25.4 percent of original size [2021-11-06 22:43:44,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 18368 treesize of output 18368 [2021-11-06 22:43:54,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:43:54,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:54,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:43:54,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:54,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:43:54,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:54,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:54,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:54,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:54,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:54,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:54,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:54,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:54,802 INFO L244 Elim1Store]: Index analysis took 174 ms [2021-11-06 22:43:54,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 894 treesize of output 408 [2021-11-06 22:43:54,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:54,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 581 treesize of output 418 [2021-11-06 22:43:55,051 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-06 22:43:55,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 528 treesize of output 492 [2021-11-06 22:43:55,530 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-06 22:43:55,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 188 treesize of output 115 [2021-11-06 22:43:56,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:43:56,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2021-11-06 22:43:56,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:43:56,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:43:56,471 INFO L190 IndexEqualityManager]: detected not equals via solver Killed by 15