./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.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_OAT_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 23:36:20,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 23:36:20,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 23:36:20,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 23:36:20,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 23:36:20,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 23:36:20,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 23:36:20,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 23:36:20,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 23:36:20,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 23:36:20,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 23:36:20,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 23:36:20,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 23:36:20,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 23:36:20,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 23:36:20,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 23:36:20,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 23:36:20,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 23:36:20,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 23:36:20,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 23:36:20,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 23:36:20,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 23:36:20,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 23:36:20,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 23:36:20,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 23:36:20,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 23:36:20,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 23:36:20,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 23:36:20,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 23:36:20,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 23:36:20,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 23:36:20,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 23:36:20,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 23:36:20,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 23:36:20,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 23:36:20,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 23:36:20,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 23:36:20,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 23:36:20,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 23:36:20,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 23:36:20,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 23:36:20,125 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 23:36:20,140 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 23:36:20,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 23:36:20,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 23:36:20,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 23:36:20,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 23:36:20,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 23:36:20,142 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 23:36:20,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 23:36:20,142 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 23:36:20,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 23:36:20,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 23:36:20,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 23:36:20,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 23:36:20,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 23:36:20,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 23:36:20,143 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 23:36:20,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 23:36:20,143 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 23:36:20,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 23:36:20,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 23:36:20,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 23:36:20,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 23:36:20,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:36:20,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 23:36:20,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 23:36:20,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 23:36:20,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 23:36:20,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 23:36:20,145 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 23:36:20,145 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 23:36:20,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 23:36:20,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 23:36:20,145 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 [2021-11-06 23:36:20,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 23:36:20,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 23:36:20,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 23:36:20,323 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 23:36:20,323 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 23:36:20,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2021-11-06 23:36:20,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96cb5fddd/3cb4ef787b9548d29613d251ba9c8c5a/FLAG3766dcd92 [2021-11-06 23:36:20,798 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 23:36:20,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2021-11-06 23:36:20,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96cb5fddd/3cb4ef787b9548d29613d251ba9c8c5a/FLAG3766dcd92 [2021-11-06 23:36:21,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96cb5fddd/3cb4ef787b9548d29613d251ba9c8c5a [2021-11-06 23:36:21,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 23:36:21,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 23:36:21,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 23:36:21,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 23:36:21,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 23:36:21,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:36:21" (1/1) ... [2021-11-06 23:36:21,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2a9878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:36:21, skipping insertion in model container [2021-11-06 23:36:21,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:36:21" (1/1) ... [2021-11-06 23:36:21,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 23:36:21,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 23:36:21,520 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_OAT_test3-2.i[33021,33034] [2021-11-06 23:36:21,615 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_OAT_test3-2.i[44590,44603] [2021-11-06 23:36:21,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:36:21,628 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 23:36:21,643 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_OAT_test3-2.i[33021,33034] [2021-11-06 23:36:21,667 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_OAT_test3-2.i[44590,44603] [2021-11-06 23:36:21,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:36:21,701 INFO L208 MainTranslator]: Completed translation [2021-11-06 23:36:21,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:36:21 WrapperNode [2021-11-06 23:36:21,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 23:36:21,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 23:36:21,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 23:36:21,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 23:36:21,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:36:21" (1/1) ... [2021-11-06 23:36:21,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:36:21" (1/1) ... [2021-11-06 23:36:21,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 23:36:21,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 23:36:21,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 23:36:21,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 23:36:21,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:36:21" (1/1) ... [2021-11-06 23:36:21,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:36:21" (1/1) ... [2021-11-06 23:36:21,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:36:21" (1/1) ... [2021-11-06 23:36:21,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:36:21" (1/1) ... [2021-11-06 23:36:21,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:36:21" (1/1) ... [2021-11-06 23:36:21,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:36:21" (1/1) ... [2021-11-06 23:36:21,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:36:21" (1/1) ... [2021-11-06 23:36:21,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 23:36:21,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 23:36:21,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 23:36:21,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 23:36:21,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:36:21" (1/1) ... [2021-11-06 23:36:21,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:36:21,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:21,940 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 23:36:21,942 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 23:36:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 23:36:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 23:36:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 23:36:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 23:36:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 23:36:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 23:36:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 23:36:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 23:36:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 23:36:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 23:36:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 23:36:22,829 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 23:36:22,829 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-06 23:36:22,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:36:22 BoogieIcfgContainer [2021-11-06 23:36:22,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 23:36:22,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 23:36:22,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 23:36:22,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 23:36:22,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:36:21" (1/3) ... [2021-11-06 23:36:22,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3384641b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:36:22, skipping insertion in model container [2021-11-06 23:36:22,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:36:21" (2/3) ... [2021-11-06 23:36:22,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3384641b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:36:22, skipping insertion in model container [2021-11-06 23:36:22,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:36:22" (3/3) ... [2021-11-06 23:36:22,837 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test3-2.i [2021-11-06 23:36:22,840 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 23:36:22,840 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 23:36:22,879 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 23:36:22,885 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 23:36:22,885 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 23:36:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:22,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 23:36:22,913 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:22,915 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:36:22,915 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:36:22,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:22,920 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-06 23:36:22,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:22,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283827943] [2021-11-06 23:36:22,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:22,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:23,049 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 23:36:23,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:23,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283827943] [2021-11-06 23:36:23,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283827943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:23,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:23,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 23:36:23,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058143336] [2021-11-06 23:36:23,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 23:36:23,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:23,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 23:36:23,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:36:23,071 INFO L87 Difference]: Start difference. First operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:23,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:23,105 INFO L93 Difference]: Finished difference Result 460 states and 768 transitions. [2021-11-06 23:36:23,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 23:36:23,107 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 23:36:23,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:23,121 INFO L225 Difference]: With dead ends: 460 [2021-11-06 23:36:23,121 INFO L226 Difference]: Without dead ends: 198 [2021-11-06 23:36:23,126 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 23:36:23,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-06 23:36:23,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-06 23:36:23,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 197 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:23,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2021-11-06 23:36:23,157 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 9 [2021-11-06 23:36:23,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:23,158 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2021-11-06 23:36:23,158 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 23:36:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2021-11-06 23:36:23,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-06 23:36:23,159 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:23,159 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:36:23,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 23:36:23,159 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:36:23,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:23,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-06 23:36:23,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:23,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426675226] [2021-11-06 23:36:23,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:23,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:23,217 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 23:36:23,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:23,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426675226] [2021-11-06 23:36:23,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426675226] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:23,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:23,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:36:23,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946250361] [2021-11-06 23:36:23,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:36:23,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:23,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:36:23,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:36:23,220 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:23,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:23,467 INFO L93 Difference]: Finished difference Result 445 states and 582 transitions. [2021-11-06 23:36:23,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:36:23,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-06 23:36:23,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:23,469 INFO L225 Difference]: With dead ends: 445 [2021-11-06 23:36:23,469 INFO L226 Difference]: Without dead ends: 337 [2021-11-06 23:36:23,470 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 23:36:23,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-11-06 23:36:23,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 200. [2021-11-06 23:36:23,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 199 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:23,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-11-06 23:36:23,479 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 12 [2021-11-06 23:36:23,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:23,480 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-11-06 23:36:23,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:23,480 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-11-06 23:36:23,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 23:36:23,481 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:23,481 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] [2021-11-06 23:36:23,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 23:36:23,482 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:36:23,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:23,482 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-06 23:36:23,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:23,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123543690] [2021-11-06 23:36:23,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:23,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:23,497 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:23,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1799063397] [2021-11-06 23:36:23,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:23,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:23,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:23,516 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 23:36:23,545 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 23:36:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:23,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:36:23,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:23,861 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 23:36:23,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:23,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123543690] [2021-11-06 23:36:23,862 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:36:23,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799063397] [2021-11-06 23:36:23,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799063397] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:23,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:23,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:36:23,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495121732] [2021-11-06 23:36:23,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:36:23,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:23,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:36:23,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:36:23,866 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:23,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:23,924 INFO L93 Difference]: Finished difference Result 417 states and 549 transitions. [2021-11-06 23:36:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:36:23,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 23:36:23,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:23,925 INFO L225 Difference]: With dead ends: 417 [2021-11-06 23:36:23,925 INFO L226 Difference]: Without dead ends: 221 [2021-11-06 23:36:23,926 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 23:36:23,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-06 23:36:23,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-06 23:36:23,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.3130841121495327) internal successors, (281), 219 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:23,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2021-11-06 23:36:23,933 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 64 [2021-11-06 23:36:23,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:23,933 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2021-11-06 23:36:23,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2021-11-06 23:36:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 23:36:23,935 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:23,935 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] [2021-11-06 23:36:23,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 23:36:24,153 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 23:36:24,154 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:36:24,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:24,154 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-06 23:36:24,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:24,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721561099] [2021-11-06 23:36:24,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:24,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:24,169 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:24,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [580738255] [2021-11-06 23:36:24,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:24,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:24,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:24,171 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 23:36:24,205 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 23:36:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:24,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:36:24,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:24,472 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 23:36:24,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:24,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721561099] [2021-11-06 23:36:24,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:36:24,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580738255] [2021-11-06 23:36:24,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580738255] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:24,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:24,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:36:24,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234386077] [2021-11-06 23:36:24,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:36:24,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:24,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:36:24,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:36:24,475 INFO L87 Difference]: Start difference. First operand 220 states and 281 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:24,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:24,525 INFO L93 Difference]: Finished difference Result 428 states and 550 transitions. [2021-11-06 23:36:24,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:36:24,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 23:36:24,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:24,526 INFO L225 Difference]: With dead ends: 428 [2021-11-06 23:36:24,526 INFO L226 Difference]: Without dead ends: 212 [2021-11-06 23:36:24,527 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 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 23:36:24,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-06 23:36:24,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-06 23:36:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.3) internal successors, (260), 205 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:24,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2021-11-06 23:36:24,533 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 64 [2021-11-06 23:36:24,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:24,534 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2021-11-06 23:36:24,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:24,534 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2021-11-06 23:36:24,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 23:36:24,535 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:24,535 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] [2021-11-06 23:36:24,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-06 23:36:24,749 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 23:36:24,750 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:36:24,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:24,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-06 23:36:24,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:24,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365465838] [2021-11-06 23:36:24,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:24,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:24,762 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:24,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1671162243] [2021-11-06 23:36:24,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:24,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:24,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:24,780 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 23:36:24,781 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 23:36:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:24,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:36:24,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:25,205 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 23:36:25,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:25,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365465838] [2021-11-06 23:36:25,206 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:36:25,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671162243] [2021-11-06 23:36:25,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671162243] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:25,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:25,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:36:25,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446208931] [2021-11-06 23:36:25,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:36:25,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:25,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:36:25,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:36:25,214 INFO L87 Difference]: Start difference. First operand 206 states and 260 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:25,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:25,275 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2021-11-06 23:36:25,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:36:25,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 23:36:25,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:25,282 INFO L225 Difference]: With dead ends: 542 [2021-11-06 23:36:25,282 INFO L226 Difference]: Without dead ends: 340 [2021-11-06 23:36:25,283 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 23:36:25,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-11-06 23:36:25,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 312. [2021-11-06 23:36:25,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 306 states have (on average 1.2843137254901962) internal successors, (393), 311 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:25,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 393 transitions. [2021-11-06 23:36:25,292 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 393 transitions. Word has length 64 [2021-11-06 23:36:25,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:25,293 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 393 transitions. [2021-11-06 23:36:25,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:25,294 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 393 transitions. [2021-11-06 23:36:25,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-06 23:36:25,298 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:25,298 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] [2021-11-06 23:36:25,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 23:36:25,515 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 23:36:25,516 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:36:25,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:25,517 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-06 23:36:25,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:25,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255521964] [2021-11-06 23:36:25,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:25,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:25,528 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:25,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2134947081] [2021-11-06 23:36:25,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:25,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:25,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:25,529 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 23:36:25,530 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 23:36:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:25,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:36:25,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:25,874 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 23:36:25,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-06 23:36:25,898 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 23:36:25,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:25,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255521964] [2021-11-06 23:36:25,899 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:36:25,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134947081] [2021-11-06 23:36:25,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134947081] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:25,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:25,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:36:25,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175597918] [2021-11-06 23:36:25,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:36:25,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:25,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:36:25,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:36:25,901 INFO L87 Difference]: Start difference. First operand 312 states and 393 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:26,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:26,818 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions. [2021-11-06 23:36:26,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:36:26,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-06 23:36:26,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:26,819 INFO L225 Difference]: With dead ends: 421 [2021-11-06 23:36:26,819 INFO L226 Difference]: Without dead ends: 396 [2021-11-06 23:36:26,820 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 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 23:36:26,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-06 23:36:26,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 314. [2021-11-06 23:36:26,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 313 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:26,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2021-11-06 23:36:26,825 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 71 [2021-11-06 23:36:26,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:26,826 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2021-11-06 23:36:26,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:26,826 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2021-11-06 23:36:26,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 23:36:26,826 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:26,826 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 23:36:26,865 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 23:36:27,039 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 23:36:27,040 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:36:27,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:27,041 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-06 23:36:27,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:27,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538800435] [2021-11-06 23:36:27,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:27,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:27,055 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:27,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [384455680] [2021-11-06 23:36:27,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:27,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:27,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:27,067 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 23:36:27,080 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 23:36:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:27,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:36:27,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:27,453 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 23:36:27,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:27,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538800435] [2021-11-06 23:36:27,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:36:27,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384455680] [2021-11-06 23:36:27,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384455680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:27,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:27,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:36:27,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538822168] [2021-11-06 23:36:27,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:36:27,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:27,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:36:27,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:36:27,455 INFO L87 Difference]: Start difference. First operand 314 states and 395 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:27,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:27,509 INFO L93 Difference]: Finished difference Result 525 states and 681 transitions. [2021-11-06 23:36:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:36:27,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 23:36:27,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:27,511 INFO L225 Difference]: With dead ends: 525 [2021-11-06 23:36:27,511 INFO L226 Difference]: Without dead ends: 356 [2021-11-06 23:36:27,511 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 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 23:36:27,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-06 23:36:27,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2021-11-06 23:36:27,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 348 states have (on average 1.25) internal successors, (435), 353 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:27,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-11-06 23:36:27,517 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 103 [2021-11-06 23:36:27,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:27,517 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-11-06 23:36:27,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:27,518 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-11-06 23:36:27,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 23:36:27,518 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:27,518 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 23:36:27,535 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 23:36:27,731 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 23:36:27,731 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:36:27,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:27,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-06 23:36:27,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:27,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325585829] [2021-11-06 23:36:27,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:27,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:27,743 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:27,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1244004987] [2021-11-06 23:36:27,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:27,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:27,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:27,751 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 23:36:27,752 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 23:36:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:27,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:36:27,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:28,161 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 23:36:28,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:28,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325585829] [2021-11-06 23:36:28,162 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:36:28,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244004987] [2021-11-06 23:36:28,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244004987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:28,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:28,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:36:28,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503207767] [2021-11-06 23:36:28,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:36:28,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:28,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:36:28,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:36:28,164 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:28,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:28,220 INFO L93 Difference]: Finished difference Result 540 states and 676 transitions. [2021-11-06 23:36:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:36:28,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 23:36:28,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:28,221 INFO L225 Difference]: With dead ends: 540 [2021-11-06 23:36:28,221 INFO L226 Difference]: Without dead ends: 331 [2021-11-06 23:36:28,222 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 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 23:36:28,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-06 23:36:28,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 326. [2021-11-06 23:36:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 320 states have (on average 1.228125) internal successors, (393), 325 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 393 transitions. [2021-11-06 23:36:28,228 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 393 transitions. Word has length 103 [2021-11-06 23:36:28,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:28,228 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 393 transitions. [2021-11-06 23:36:28,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 393 transitions. [2021-11-06 23:36:28,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 23:36:28,229 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:28,229 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 23:36:28,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 23:36:28,448 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 23:36:28,448 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:36:28,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:28,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-06 23:36:28,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:28,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36833741] [2021-11-06 23:36:28,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:28,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:28,477 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:28,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [806499098] [2021-11-06 23:36:28,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:28,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:28,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:28,482 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 23:36:28,483 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 23:36:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:28,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:36:28,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:28,958 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 23:36:28,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:28,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36833741] [2021-11-06 23:36:28,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:36:28,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806499098] [2021-11-06 23:36:28,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806499098] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:28,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:28,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:36:28,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752169313] [2021-11-06 23:36:28,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:36:28,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:28,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:36:28,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:36:28,960 INFO L87 Difference]: Start difference. First operand 326 states and 393 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:29,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:29,136 INFO L93 Difference]: Finished difference Result 740 states and 900 transitions. [2021-11-06 23:36:29,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 23:36:29,136 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 23:36:29,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:29,138 INFO L225 Difference]: With dead ends: 740 [2021-11-06 23:36:29,138 INFO L226 Difference]: Without dead ends: 462 [2021-11-06 23:36:29,138 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 23:36:29,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-06 23:36:29,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2021-11-06 23:36:29,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 404 states have (on average 1.2301980198019802) internal successors, (497), 409 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 497 transitions. [2021-11-06 23:36:29,145 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 497 transitions. Word has length 103 [2021-11-06 23:36:29,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:29,145 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 497 transitions. [2021-11-06 23:36:29,146 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 23:36:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 497 transitions. [2021-11-06 23:36:29,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 23:36:29,146 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:29,146 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 23:36:29,185 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 23:36:29,360 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 23:36:29,361 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:36:29,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:29,361 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-06 23:36:29,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:29,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471694317] [2021-11-06 23:36:29,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:29,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:29,372 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:29,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [12149620] [2021-11-06 23:36:29,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:29,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:29,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:29,373 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 23:36:29,374 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 23:36:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:29,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 23:36:29,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:29,682 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 23:36:29,685 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 23:36:29,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:29,720 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 23:36:29,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:29,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:29,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:29,772 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 23:36:30,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,558 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 23:36:30,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,565 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 23:36:30,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,639 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 23:36:30,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-06 23:36:30,688 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 23:36:30,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:30,699 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 23:36:30,699 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 23:36:30,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 23:36:32,270 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 23:36:32,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2831 treesize of output 2280 [2021-11-06 23:36:32,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:32,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:32,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:32,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:35,842 INFO L354 Elim1Store]: treesize reduction 7740, result has 3.5 percent of original size [2021-11-06 23:36:35,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 3300 treesize of output 1839 [2021-11-06 23:36:35,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:36,653 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 23:36:36,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2027 treesize of output 1769 [2021-11-06 23:36:37,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:37,370 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 23:36:37,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:37,511 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 23:36:37,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:37,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:37,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:37,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-06 23:36:38,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:36:38,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:36:38,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:16,577 WARN L207 SmtUtils]: Spent 5.64 m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 [2021-11-06 23:42:16,578 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-06 23:42:16,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 2416232 treesize of output 988721 [2021-11-06 23:42:19,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 23:42:20,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:20,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:20,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:21,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:21,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:21,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:21,076 INFO L244 Elim1Store]: Index analysis took 298 ms [2021-11-06 23:42:21,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:21,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:21,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:21,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:21,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:21,277 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:42:21,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 680 treesize of output 308 [2021-11-06 23:42:23,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:24,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:27,435 INFO L244 Elim1Store]: Index analysis took 4471 ms [2021-11-06 23:42:27,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:28,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:28,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:29,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:29,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:29,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:30,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:30,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:30,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:31,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:32,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:32,087 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:42:32,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1451 treesize of output 633 [2021-11-06 23:42:32,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:33,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:33,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:34,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:34,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:34,617 INFO L244 Elim1Store]: Index analysis took 2171 ms [2021-11-06 23:42:34,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:34,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:35,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:35,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:35,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:36,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:36,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:36,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:36,749 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:42:36,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1287 treesize of output 571 [2021-11-06 23:42:36,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:36,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:36,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:36,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:36,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:36,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:37,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:37,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:37,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:37,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:37,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:37,049 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:42:37,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 2003407 treesize of output 1688537 [2021-11-06 23:42:57,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:57,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:57,359 INFO L244 Elim1Store]: Index analysis took 167 ms [2021-11-06 23:42:57,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:57,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:57,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:42:57,486 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-06 23:42:57,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 15848 treesize of output 12367 [2021-11-06 23:43:21,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:21,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:21,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:21,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:21,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:21,402 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-06 23:43:21,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 14560 treesize of output 11407 [2021-11-06 23:43:28,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:28,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:28,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:28,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:28,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:28,468 INFO L244 Elim1Store]: Index analysis took 390 ms [2021-11-06 23:43:28,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:28,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:28,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:28,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:28,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:28,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:29,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:29,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:29,185 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:43:29,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1048 treesize of output 472 [2021-11-06 23:43:29,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:30,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:30,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:30,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:30,813 INFO L244 Elim1Store]: Index analysis took 1401 ms [2021-11-06 23:43:30,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:31,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:31,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:31,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:31,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:31,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:31,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:31,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:31,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:31,710 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:43:31,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 956 treesize of output 426 [2021-11-06 23:43:32,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:32,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:32,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:32,509 INFO L244 Elim1Store]: Index analysis took 566 ms [2021-11-06 23:43:32,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:32,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:32,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:32,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:32,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:32,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:32,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:32,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:32,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:33,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:33,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:33,096 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:43:33,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 957 treesize of output 400 [2021-11-06 23:43:33,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:33,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:33,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:33,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:33,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:34,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:34,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:34,086 INFO L244 Elim1Store]: Index analysis took 826 ms [2021-11-06 23:43:34,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:34,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:34,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:34,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:34,495 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:43:34,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 7902 treesize of output 5782 [2021-11-06 23:43:37,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:37,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:37,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:37,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:37,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:37,621 INFO L244 Elim1Store]: Index analysis took 268 ms [2021-11-06 23:43:37,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:37,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:37,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:37,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:37,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:37,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:37,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:37,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:37,868 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:43:37,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 981 treesize of output 418 [2021-11-06 23:43:38,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:38,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:38,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:38,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:38,637 INFO L244 Elim1Store]: Index analysis took 595 ms [2021-11-06 23:43:38,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:38,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:38,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:38,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:38,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:38,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:38,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:39,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:39,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:39,091 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:43:39,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1263 treesize of output 565 [2021-11-06 23:43:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:39,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:39,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:39,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:39,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:39,902 INFO L244 Elim1Store]: Index analysis took 222 ms [2021-11-06 23:43:39,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:39,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,240 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:43:40,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1005 treesize of output 430 [2021-11-06 23:43:40,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:40,966 INFO L244 Elim1Store]: Index analysis took 573 ms [2021-11-06 23:43:41,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:41,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:41,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:41,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:41,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:41,233 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:43:41,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-06 23:43:41,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:41,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:43:41,469 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 23:43:41,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 11505 treesize of output 7761 [2021-11-06 23:43:41,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:41,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:43:41,656 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 23:43:41,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 10562 treesize of output 7078 [2021-11-06 23:43:41,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:43:41,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:41,864 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 23:43:41,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 8924 treesize of output 4992 [2021-11-06 23:43:41,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:43:41,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:42,001 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 23:43:42,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 7054 treesize of output 4666 [2021-11-06 23:43:42,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:42,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:43:42,078 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-06 23:43:42,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6024 treesize of output 3987 [2021-11-06 23:43:42,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:43:42,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:42,143 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 23:43:42,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 5215 treesize of output 3451 [2021-11-06 23:43:42,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:42,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:43:42,256 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-06 23:43:42,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 4242 treesize of output 2597 [2021-11-06 23:43:42,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:43:42,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:42,311 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 23:43:42,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 3481 treesize of output 1990 [2021-11-06 23:43:42,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:42,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:43:42,371 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 23:43:42,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 2672 treesize of output 1386 [2021-11-06 23:43:43,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:43,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:43,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:43,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:43,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:43,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:43,937 INFO L354 Elim1Store]: treesize reduction 399, result has 0.3 percent of original size [2021-11-06 23:43:43,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 1109 treesize of output 910 [2021-11-06 23:43:44,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:44,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:44,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:44,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:44,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:44,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:44,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:43:44,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:44,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:44,806 INFO L354 Elim1Store]: treesize reduction 2438, result has 4.6 percent of original size [2021-11-06 23:43:44,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 845 treesize of output 856 [2021-11-06 23:43:44,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:44,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:44,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:44,978 INFO L354 Elim1Store]: treesize reduction 436, result has 12.3 percent of original size [2021-11-06 23:43:44,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 216 treesize of output 203 [2021-11-06 23:43:45,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:45,005 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-06 23:43:45,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 79 [2021-11-06 23:43:45,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:43:45,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:45,547 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-06 23:43:45,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-06 23:43:45,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:45,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:45,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:45,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:45,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:43:45,669 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-06 23:43:45,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-06 23:43:45,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:43:45,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:43:45,694 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-06 23:43:45,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-06 23:43:46,300 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-06 23:43:46,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-06 23:43:46,311 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-06 23:43:46,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 361 [2021-11-06 23:43:46,320 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:43:46,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 331 treesize of output 258 [2021-11-06 23:43:46,396 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 23:43:46,397 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 23:44:05,278 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-06 23:44:05,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 323 treesize of output 361 [2021-11-06 23:44:35,251 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 23:44:35,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 338 treesize of output 231 [2021-11-06 23:44:39,831 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-06 23:44:39,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 328 treesize of output 180 [2021-11-06 23:44:39,932 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 23:44:39,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:44:39,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471694317] [2021-11-06 23:44:39,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:44:39,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12149620] [2021-11-06 23:44:39,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12149620] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 23:44:39,932 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 23:44:39,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-11-06 23:44:39,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317254375] [2021-11-06 23:44:39,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-06 23:44:39,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:44:39,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-06 23:44:39,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-06 23:44:39,934 INFO L87 Difference]: Start difference. First operand 410 states and 497 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 23:44:53,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:44:53,153 INFO L93 Difference]: Finished difference Result 708 states and 865 transitions. [2021-11-06 23:44:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-06 23:44:53,154 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 23:44:53,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:44:53,155 INFO L225 Difference]: With dead ends: 708 [2021-11-06 23:44:53,155 INFO L226 Difference]: Without dead ends: 440 [2021-11-06 23:44:53,156 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 99 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 23:44:53,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-11-06 23:44:53,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 432. [2021-11-06 23:44:53,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 426 states have (on average 1.2300469483568075) internal successors, (524), 431 states have internal predecessors, (524), 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 23:44:53,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 524 transitions. [2021-11-06 23:44:53,163 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 524 transitions. Word has length 110 [2021-11-06 23:44:53,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:44:53,163 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 524 transitions. [2021-11-06 23:44:53,164 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 23:44:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 524 transitions. [2021-11-06 23:44:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 23:44:53,164 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:44:53,164 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 23:44:53,199 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 23:44:53,379 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 23:44:53,379 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:44:53,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:44:53,380 INFO L85 PathProgramCache]: Analyzing trace with hash 107832188, now seen corresponding path program 1 times [2021-11-06 23:44:53,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:44:53,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188433865] [2021-11-06 23:44:53,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:44:53,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:44:53,395 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:44:53,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1455542071] [2021-11-06 23:44:53,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:44:53,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:44:53,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:44:53,397 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 23:44:53,398 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 23:44:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:44:53,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:44:53,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:44:54,184 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 23:44:54,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:44:54,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188433865] [2021-11-06 23:44:54,184 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:44:54,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455542071] [2021-11-06 23:44:54,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455542071] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:44:54,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:44:54,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:44:54,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089150823] [2021-11-06 23:44:54,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:44:54,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:44:54,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:44:54,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:44:54,185 INFO L87 Difference]: Start difference. First operand 432 states and 524 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 23:44:54,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:44:54,210 INFO L93 Difference]: Finished difference Result 789 states and 962 transitions. [2021-11-06 23:44:54,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:44:54,211 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 23:44:54,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:44:54,212 INFO L225 Difference]: With dead ends: 789 [2021-11-06 23:44:54,212 INFO L226 Difference]: Without dead ends: 411 [2021-11-06 23:44:54,212 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 23:44:54,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-11-06 23:44:54,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2021-11-06 23:44:54,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 405 states have (on average 1.2296296296296296) internal successors, (498), 410 states have internal predecessors, (498), 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 23:44:54,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 498 transitions. [2021-11-06 23:44:54,220 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 498 transitions. Word has length 110 [2021-11-06 23:44:54,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:44:54,220 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 498 transitions. [2021-11-06 23:44:54,220 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 23:44:54,220 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 498 transitions. [2021-11-06 23:44:54,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-06 23:44:54,221 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:44:54,221 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 23:44:54,243 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 23:44:54,439 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 23:44:54,439 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:44:54,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:44:54,440 INFO L85 PathProgramCache]: Analyzing trace with hash -949874449, now seen corresponding path program 1 times [2021-11-06 23:44:54,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:44:54,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404691276] [2021-11-06 23:44:54,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:44:54,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:44:54,459 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:44:54,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361776828] [2021-11-06 23:44:54,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:44:54,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:44:54,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:44:54,460 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 23:44:54,483 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 23:44:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:44:55,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-06 23:44:55,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:44:55,130 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 23:44:55,139 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 23:44:55,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:55,179 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 23:44:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:55,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:55,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:55,244 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 23:44:56,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,440 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 23:44:56,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,450 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 23:44:56,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,541 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 23:44:56,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-06 23:44:56,617 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 23:44:56,625 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 23:44:56,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,645 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 23:44:56,645 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 23:44:56,826 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-06 23:44:56,827 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 23:44:56,852 INFO L354 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2021-11-06 23:44:56,852 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 23:44:56,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:44:56,935 INFO L354 Elim1Store]: treesize reduction 236, result has 12.3 percent of original size [2021-11-06 23:44:56,935 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 23:45:00,537 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-06 23:45:00,538 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 23:45:00,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:04,697 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-06 23:45:04,698 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 3434 treesize of output 3115 [2021-11-06 23:45:04,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:04,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:04,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:04,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:04,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:04,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:04,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:04,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:04,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:04,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:12,633 WARN L207 SmtUtils]: Spent 7.88 s on a formula simplification. DAG size of input: 541 DAG size of output: 149 [2021-11-06 23:45:12,633 INFO L354 Elim1Store]: treesize reduction 10081, result has 5.9 percent of original size [2021-11-06 23:45:12,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 40 case distinctions, treesize of input 3734 treesize of output 2403 [2021-11-06 23:45:34,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:34,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:34,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,555 INFO L244 Elim1Store]: Index analysis took 224 ms [2021-11-06 23:45:34,558 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 910 treesize of output 418 [2021-11-06 23:45:34,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:34,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:34,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:34,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:34,866 INFO L244 Elim1Store]: Index analysis took 194 ms [2021-11-06 23:45:34,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 889 treesize of output 407 [2021-11-06 23:45:35,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,032 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 40 treesize of output 18 [2021-11-06 23:45:35,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,239 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 52 treesize of output 24 [2021-11-06 23:45:35,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:35,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:35,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:35,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,426 INFO L244 Elim1Store]: Index analysis took 141 ms [2021-11-06 23:45:35,427 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 906 treesize of output 408 [2021-11-06 23:45:35,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:35,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:35,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:35,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,633 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-11-06 23:45:35,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 2773 treesize of output 1918 [2021-11-06 23:45:35,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:35,899 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 36 treesize of output 16 [2021-11-06 23:45:36,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:36,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:36,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:36,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:36,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:45:36,270 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:45:36,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 150 treesize of output 85 [2021-11-06 23:45:36,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:36,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:45:36,337 INFO L190 IndexEqualityManager]: detected not equals via solver Killed by 15