./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.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_JEN_test2-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 23:09:18,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 23:09:18,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 23:09:18,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 23:09:18,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 23:09:18,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 23:09:18,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 23:09:18,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 23:09:18,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 23:09:18,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 23:09:18,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 23:09:18,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 23:09:18,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 23:09:18,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 23:09:18,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 23:09:19,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 23:09:19,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 23:09:19,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 23:09:19,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 23:09:19,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 23:09:19,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 23:09:19,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 23:09:19,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 23:09:19,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 23:09:19,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 23:09:19,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 23:09:19,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 23:09:19,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 23:09:19,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 23:09:19,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 23:09:19,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 23:09:19,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 23:09:19,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 23:09:19,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 23:09:19,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 23:09:19,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 23:09:19,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 23:09:19,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 23:09:19,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 23:09:19,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 23:09:19,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 23:09:19,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 23:09:19,041 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 23:09:19,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 23:09:19,042 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 23:09:19,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 23:09:19,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 23:09:19,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 23:09:19,043 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 23:09:19,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 23:09:19,043 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 23:09:19,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 23:09:19,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 23:09:19,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 23:09:19,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 23:09:19,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 23:09:19,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 23:09:19,043 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 23:09:19,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 23:09:19,044 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 23:09:19,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 23:09:19,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 23:09:19,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 23:09:19,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 23:09:19,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:09:19,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 23:09:19,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 23:09:19,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 23:09:19,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 23:09:19,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 23:09:19,045 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 23:09:19,045 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 23:09:19,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 23:09:19,045 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 23:09:19,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 [2021-11-06 23:09:19,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 23:09:19,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 23:09:19,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 23:09:19,233 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 23:09:19,233 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 23:09:19,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2021-11-06 23:09:19,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d11bdf1b1/5646dbba0c6e4377b57877778cd6283d/FLAG1ed83af08 [2021-11-06 23:09:19,702 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 23:09:19,703 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2021-11-06 23:09:19,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d11bdf1b1/5646dbba0c6e4377b57877778cd6283d/FLAG1ed83af08 [2021-11-06 23:09:19,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d11bdf1b1/5646dbba0c6e4377b57877778cd6283d [2021-11-06 23:09:19,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 23:09:19,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 23:09:19,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 23:09:19,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 23:09:19,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 23:09:19,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:19" (1/1) ... [2021-11-06 23:09:19,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5347332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:19, skipping insertion in model container [2021-11-06 23:09:19,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:19" (1/1) ... [2021-11-06 23:09:19,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 23:09:19,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 23:09:20,038 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2021-11-06 23:09:20,098 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2021-11-06 23:09:20,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:09:20,111 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 23:09:20,128 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2021-11-06 23:09:20,183 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2021-11-06 23:09:20,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:09:20,222 INFO L208 MainTranslator]: Completed translation [2021-11-06 23:09:20,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20 WrapperNode [2021-11-06 23:09:20,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 23:09:20,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 23:09:20,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 23:09:20,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 23:09:20,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2021-11-06 23:09:20,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2021-11-06 23:09:20,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 23:09:20,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 23:09:20,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 23:09:20,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 23:09:20,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2021-11-06 23:09:20,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2021-11-06 23:09:20,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2021-11-06 23:09:20,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2021-11-06 23:09:20,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2021-11-06 23:09:20,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2021-11-06 23:09:20,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2021-11-06 23:09:20,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 23:09:20,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 23:09:20,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 23:09:20,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 23:09:20,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (1/1) ... [2021-11-06 23:09:20,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:09:20,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:09:20,413 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 23:09:20,415 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 23:09:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 23:09:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 23:09:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 23:09:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 23:09:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 23:09:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 23:09:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 23:09:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 23:09:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 23:09:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 23:09:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 23:09:21,321 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 23:09:21,324 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-11-06 23:09:21,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:21 BoogieIcfgContainer [2021-11-06 23:09:21,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 23:09:21,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 23:09:21,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 23:09:21,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 23:09:21,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:09:19" (1/3) ... [2021-11-06 23:09:21,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6037fc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:21, skipping insertion in model container [2021-11-06 23:09:21,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:20" (2/3) ... [2021-11-06 23:09:21,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6037fc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:21, skipping insertion in model container [2021-11-06 23:09:21,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:21" (3/3) ... [2021-11-06 23:09:21,331 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test2-1.i [2021-11-06 23:09:21,334 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 23:09:21,334 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 23:09:21,376 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 23:09:21,381 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 23:09:21,381 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 23:09:21,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 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 23:09:21,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 23:09:21,406 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:09:21,406 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:09:21,407 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:09:21,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:09:21,410 INFO L85 PathProgramCache]: Analyzing trace with hash 239231399, now seen corresponding path program 1 times [2021-11-06 23:09:21,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:09:21,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495597360] [2021-11-06 23:09:21,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:21,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:09:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:09:21,531 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 23:09:21,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:09:21,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495597360] [2021-11-06 23:09:21,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495597360] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:09:21,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:09:21,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 23:09:21,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570443635] [2021-11-06 23:09:21,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 23:09:21,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:09:21,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 23:09:21,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:09:21,551 INFO L87 Difference]: Start difference. First operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 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 23:09:21,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:09:21,592 INFO L93 Difference]: Finished difference Result 352 states and 584 transitions. [2021-11-06 23:09:21,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 23:09:21,593 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 23:09:21,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:09:21,602 INFO L225 Difference]: With dead ends: 352 [2021-11-06 23:09:21,602 INFO L226 Difference]: Without dead ends: 173 [2021-11-06 23:09:21,604 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 23:09:21,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-06 23:09:21,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-06 23:09:21,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 167 states have (on average 1.347305389221557) internal successors, (225), 172 states have internal predecessors, (225), 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 23:09:21,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 225 transitions. [2021-11-06 23:09:21,644 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 225 transitions. Word has length 9 [2021-11-06 23:09:21,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:09:21,645 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 225 transitions. [2021-11-06 23:09:21,645 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 23:09:21,645 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2021-11-06 23:09:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 23:09:21,647 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:09:21,647 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:09:21,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 23:09:21,648 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:09:21,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:09:21,650 INFO L85 PathProgramCache]: Analyzing trace with hash 627334177, now seen corresponding path program 1 times [2021-11-06 23:09:21,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:09:21,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111486154] [2021-11-06 23:09:21,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:21,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:09:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:09:21,744 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 23:09:21,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:09:21,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111486154] [2021-11-06 23:09:21,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111486154] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:09:21,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:09:21,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:09:21,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764754380] [2021-11-06 23:09:21,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:09:21,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:09:21,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:09:21,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:09:21,749 INFO L87 Difference]: Start difference. First operand 173 states and 225 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:09:22,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:09:22,036 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2021-11-06 23:09:22,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:09:22,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-06 23:09:22,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:09:22,038 INFO L225 Difference]: With dead ends: 377 [2021-11-06 23:09:22,038 INFO L226 Difference]: Without dead ends: 294 [2021-11-06 23:09:22,039 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 23:09:22,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-06 23:09:22,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 175. [2021-11-06 23:09:22,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 169 states have (on average 1.3431952662721893) internal successors, (227), 174 states have internal predecessors, (227), 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 23:09:22,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 227 transitions. [2021-11-06 23:09:22,048 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 227 transitions. Word has length 44 [2021-11-06 23:09:22,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:09:22,048 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 227 transitions. [2021-11-06 23:09:22,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:09:22,048 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 227 transitions. [2021-11-06 23:09:22,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:09:22,051 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:09:22,051 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:09:22,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 23:09:22,051 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:09:22,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:09:22,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1103505073, now seen corresponding path program 1 times [2021-11-06 23:09:22,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:09:22,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289167919] [2021-11-06 23:09:22,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:22,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:09:22,067 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:09:22,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [364056222] [2021-11-06 23:09:22,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:22,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:09:22,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:09:22,076 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 23:09:22,122 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 23:09:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:09:22,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:09:22,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:09:22,511 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 23:09:22,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:09:22,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289167919] [2021-11-06 23:09:22,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:09:22,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364056222] [2021-11-06 23:09:22,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364056222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:09:22,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:09:22,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:09:22,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512357833] [2021-11-06 23:09:22,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:09:22,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:09:22,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:09:22,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:09:22,515 INFO L87 Difference]: Start difference. First operand 175 states and 227 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:09:22,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:09:22,560 INFO L93 Difference]: Finished difference Result 367 states and 481 transitions. [2021-11-06 23:09:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:09:22,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:09:22,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:09:22,563 INFO L225 Difference]: With dead ends: 367 [2021-11-06 23:09:22,563 INFO L226 Difference]: Without dead ends: 196 [2021-11-06 23:09:22,565 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:09:22,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-06 23:09:22,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2021-11-06 23:09:22,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 189 states have (on average 1.306878306878307) internal successors, (247), 194 states have internal predecessors, (247), 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 23:09:22,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2021-11-06 23:09:22,579 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 96 [2021-11-06 23:09:22,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:09:22,580 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2021-11-06 23:09:22,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:09:22,583 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2021-11-06 23:09:22,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:09:22,587 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:09:22,587 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:09:22,607 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 23:09:22,803 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 23:09:22,804 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:09:22,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:09:22,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744819, now seen corresponding path program 1 times [2021-11-06 23:09:22,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:09:22,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460675440] [2021-11-06 23:09:22,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:22,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:09:22,818 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:09:22,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1703342730] [2021-11-06 23:09:22,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:22,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:09:22,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:09:22,822 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 23:09:22,823 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 23:09:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:09:22,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:09:22,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:09:23,140 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 23:09:23,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:09:23,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460675440] [2021-11-06 23:09:23,141 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:09:23,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703342730] [2021-11-06 23:09:23,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703342730] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:09:23,141 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:09:23,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:09:23,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473340119] [2021-11-06 23:09:23,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:09:23,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:09:23,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:09:23,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:09:23,143 INFO L87 Difference]: Start difference. First operand 195 states and 247 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:09:23,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:09:23,192 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2021-11-06 23:09:23,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:09:23,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:09:23,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:09:23,194 INFO L225 Difference]: With dead ends: 298 [2021-11-06 23:09:23,194 INFO L226 Difference]: Without dead ends: 216 [2021-11-06 23:09:23,195 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:09:23,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-06 23:09:23,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2021-11-06 23:09:23,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 209 states have (on average 1.277511961722488) internal successors, (267), 214 states have internal predecessors, (267), 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 23:09:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 267 transitions. [2021-11-06 23:09:23,199 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 267 transitions. Word has length 96 [2021-11-06 23:09:23,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:09:23,200 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 267 transitions. [2021-11-06 23:09:23,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:09:23,200 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 267 transitions. [2021-11-06 23:09:23,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:09:23,204 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:09:23,204 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:09:23,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 23:09:23,407 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 23:09:23,408 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:09:23,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:09:23,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949871, now seen corresponding path program 1 times [2021-11-06 23:09:23,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:09:23,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656664788] [2021-11-06 23:09:23,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:23,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:09:23,420 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:09:23,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [527977490] [2021-11-06 23:09:23,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:23,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:09:23,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:09:23,432 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 23:09:23,433 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 23:09:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:09:23,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:09:23,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:09:23,772 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 23:09:23,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:09:23,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656664788] [2021-11-06 23:09:23,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:09:23,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527977490] [2021-11-06 23:09:23,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527977490] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:09:23,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:09:23,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:09:23,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729864838] [2021-11-06 23:09:23,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:09:23,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:09:23,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:09:23,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:09:23,783 INFO L87 Difference]: Start difference. First operand 215 states and 267 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:09:23,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:09:23,830 INFO L93 Difference]: Finished difference Result 418 states and 522 transitions. [2021-11-06 23:09:23,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:09:23,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:09:23,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:09:23,832 INFO L225 Difference]: With dead ends: 418 [2021-11-06 23:09:23,832 INFO L226 Difference]: Without dead ends: 207 [2021-11-06 23:09:23,833 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:09:23,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-06 23:09:23,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 201. [2021-11-06 23:09:23,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 195 states have (on average 1.2615384615384615) internal successors, (246), 200 states have internal predecessors, (246), 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 23:09:23,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2021-11-06 23:09:23,837 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 96 [2021-11-06 23:09:23,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:09:23,838 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2021-11-06 23:09:23,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:09:23,838 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2021-11-06 23:09:23,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:09:23,842 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:09:23,842 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:09:23,861 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 23:09:24,052 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 23:09:24,052 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:09:24,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:09:24,053 INFO L85 PathProgramCache]: Analyzing trace with hash 569918303, now seen corresponding path program 1 times [2021-11-06 23:09:24,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:09:24,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102862690] [2021-11-06 23:09:24,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:24,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:09:24,074 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:09:24,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1312142982] [2021-11-06 23:09:24,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:24,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:09:24,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:09:24,077 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 23:09:24,079 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 23:09:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:09:24,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:09:24,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:09:24,409 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 23:09:24,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:09:24,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102862690] [2021-11-06 23:09:24,409 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:09:24,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312142982] [2021-11-06 23:09:24,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312142982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:09:24,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:09:24,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:09:24,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907246961] [2021-11-06 23:09:24,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:09:24,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:09:24,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:09:24,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:09:24,411 INFO L87 Difference]: Start difference. First operand 201 states and 246 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:09:24,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:09:24,465 INFO L93 Difference]: Finished difference Result 295 states and 364 transitions. [2021-11-06 23:09:24,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:09:24,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:09:24,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:09:24,466 INFO L225 Difference]: With dead ends: 295 [2021-11-06 23:09:24,466 INFO L226 Difference]: Without dead ends: 193 [2021-11-06 23:09:24,467 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:09:24,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-06 23:09:24,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2021-11-06 23:09:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 181 states have (on average 1.2430939226519337) internal successors, (225), 186 states have internal predecessors, (225), 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 23:09:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-06 23:09:24,470 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 96 [2021-11-06 23:09:24,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:09:24,470 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-06 23:09:24,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:09:24,471 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-06 23:09:24,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:09:24,471 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:09:24,471 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:09:24,488 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 23:09:24,683 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 23:09:24,683 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:09:24,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:09:24,684 INFO L85 PathProgramCache]: Analyzing trace with hash -312930543, now seen corresponding path program 1 times [2021-11-06 23:09:24,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:09:24,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811073689] [2021-11-06 23:09:24,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:24,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:09:24,694 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:09:24,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1715631221] [2021-11-06 23:09:24,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:24,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:09:24,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:09:24,696 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 23:09:24,697 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 23:09:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:09:24,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:09:24,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:09:25,130 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 23:09:25,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:09:25,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811073689] [2021-11-06 23:09:25,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:09:25,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715631221] [2021-11-06 23:09:25,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715631221] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:09:25,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:09:25,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:09:25,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287028312] [2021-11-06 23:09:25,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:09:25,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:09:25,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:09:25,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:09:25,133 INFO L87 Difference]: Start difference. First operand 187 states and 225 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:09:25,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:09:25,180 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2021-11-06 23:09:25,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:09:25,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:09:25,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:09:25,182 INFO L225 Difference]: With dead ends: 486 [2021-11-06 23:09:25,182 INFO L226 Difference]: Without dead ends: 303 [2021-11-06 23:09:25,182 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:09:25,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-06 23:09:25,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2021-11-06 23:09:25,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 285 states have (on average 1.2280701754385965) internal successors, (350), 290 states have internal predecessors, (350), 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 23:09:25,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-11-06 23:09:25,186 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 96 [2021-11-06 23:09:25,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:09:25,187 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-11-06 23:09:25,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:09:25,187 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-11-06 23:09:25,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 23:09:25,187 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:09:25,187 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 23:09:25,211 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 23:09:25,407 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 23:09:25,407 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:09:25,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:09:25,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926304, now seen corresponding path program 1 times [2021-11-06 23:09:25,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:09:25,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220088262] [2021-11-06 23:09:25,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:25,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:09:25,418 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:09:25,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1014515426] [2021-11-06 23:09:25,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:25,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:09:25,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:09:25,420 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 23:09:25,421 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 23:09:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:09:25,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:09:25,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:09:25,844 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 23:09:25,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:09:25,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220088262] [2021-11-06 23:09:25,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:09:25,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014515426] [2021-11-06 23:09:25,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014515426] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:09:25,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:09:25,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:09:25,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819114475] [2021-11-06 23:09:25,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:09:25,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:09:25,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:09:25,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:09:25,846 INFO L87 Difference]: Start difference. First operand 291 states and 350 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 23:09:25,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:09:25,965 INFO L93 Difference]: Finished difference Result 474 states and 571 transitions. [2021-11-06 23:09:25,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:09:25,966 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 23:09:25,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:09:25,966 INFO L225 Difference]: With dead ends: 474 [2021-11-06 23:09:25,966 INFO L226 Difference]: Without dead ends: 231 [2021-11-06 23:09:25,967 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 23:09:25,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-06 23:09:25,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2021-11-06 23:09:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 225 states have (on average 1.208888888888889) internal successors, (272), 230 states have internal predecessors, (272), 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 23:09:25,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 272 transitions. [2021-11-06 23:09:25,971 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 272 transitions. Word has length 103 [2021-11-06 23:09:25,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:09:25,971 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 272 transitions. [2021-11-06 23:09:25,971 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 23:09:25,971 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 272 transitions. [2021-11-06 23:09:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 23:09:25,972 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:09:25,972 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 23:09:25,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-06 23:09:26,172 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 23:09:26,172 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 23:09:26,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:09:26,173 INFO L85 PathProgramCache]: Analyzing trace with hash 541560378, now seen corresponding path program 1 times [2021-11-06 23:09:26,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:09:26,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523016273] [2021-11-06 23:09:26,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:26,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:09:26,183 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:09:26,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1871138235] [2021-11-06 23:09:26,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:09:26,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:09:26,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:09:26,184 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 23:09:26,185 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 23:09:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:09:26,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 23:09:26,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:09:26,478 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 23:09:26,483 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 23:09:26,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:26,509 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 23:09:26,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:26,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:26,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:26,560 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 23:09:27,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,361 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 23:09:27,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,368 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 23:09:27,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 23:09:27,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:09:27,499 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 23:09:27,504 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 23:09:27,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,516 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 23:09:27,517 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 23:09:27,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:27,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:09:28,835 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 23:09:28,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-06 23:09:28,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:29,928 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 23:09:29,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-06 23:09:29,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:29,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:29,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:29,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:29,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:29,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:29,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:34,340 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-06 23:09:34,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2277 [2021-11-06 23:09:34,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:34,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-06 23:09:34,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:34,879 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 23:09:37,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:37,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:37,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:37,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:37,598 INFO L244 Elim1Store]: Index analysis took 193 ms [2021-11-06 23:09:37,599 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 955 treesize of output 443 [2021-11-06 23:09:38,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:38,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:38,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:38,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:38,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:38,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:21,774 WARN L207 SmtUtils]: Spent 7.72 m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-06 23:17:21,776 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-06 23:17:21,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 38 new quantified variables, introduced 168 case distinctions, treesize of input 1851380 treesize of output 765901 [2021-11-06 23:17:25,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:25,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:25,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:25,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:25,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:25,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:25,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:26,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:26,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:26,031 INFO L244 Elim1Store]: Index analysis took 226 ms [2021-11-06 23:17:26,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:26,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:26,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:26,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:26,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:26,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:26,260 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:17:26,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 678 treesize of output 316 [2021-11-06 23:17:27,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:28,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:28,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:28,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:29,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:29,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:30,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:30,221 INFO L244 Elim1Store]: Index analysis took 2394 ms [2021-11-06 23:17:30,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:30,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:30,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:30,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:31,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:31,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:31,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:31,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:31,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:31,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:32,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:32,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:32,279 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:17:32,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1023 treesize of output 442 [2021-11-06 23:17:32,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:32,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:33,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:33,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:33,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:33,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:33,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:33,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:33,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:33,759 INFO L244 Elim1Store]: Index analysis took 1230 ms [2021-11-06 23:17:33,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:33,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:34,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:34,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:35,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:35,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:35,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:35,385 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:17:35,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 758 treesize of output 356 [2021-11-06 23:17:35,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:36,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:36,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:36,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:36,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:36,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:36,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:36,781 INFO L244 Elim1Store]: Index analysis took 1158 ms [2021-11-06 23:17:36,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:36,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:37,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:37,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:37,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:37,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:37,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:37,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:37,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:37,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:38,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:38,121 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:17:38,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1341 treesize of output 607 Killed by 15