./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_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_OAT_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 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 23:35:57,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 23:35:57,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 23:35:57,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 23:35:57,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 23:35:57,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 23:35:57,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 23:35:57,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 23:35:57,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 23:35:57,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 23:35:57,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 23:35:57,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 23:35:57,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 23:35:57,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 23:35:57,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 23:35:57,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 23:35:57,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 23:35:57,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 23:35:57,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 23:35:57,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 23:35:57,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 23:35:57,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 23:35:57,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 23:35:57,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 23:35:57,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 23:35:57,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 23:35:57,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 23:35:57,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 23:35:57,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 23:35:57,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 23:35:57,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 23:35:57,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 23:35:57,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 23:35:57,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 23:35:57,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 23:35:57,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 23:35:57,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 23:35:57,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 23:35:57,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 23:35:57,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 23:35:57,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 23:35:57,645 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 23:35:57,676 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 23:35:57,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 23:35:57,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 23:35:57,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 23:35:57,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 23:35:57,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 23:35:57,679 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 23:35:57,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 23:35:57,679 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 23:35:57,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 23:35:57,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 23:35:57,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 23:35:57,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 23:35:57,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 23:35:57,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 23:35:57,681 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 23:35:57,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 23:35:57,681 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 23:35:57,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 23:35:57,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 23:35:57,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 23:35:57,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 23:35:57,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:35:57,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 23:35:57,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 23:35:57,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 23:35:57,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 23:35:57,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 23:35:57,683 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 23:35:57,683 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 23:35:57,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 23:35:57,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 23:35:57,684 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2021-11-06 23:35:57,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 23:35:57,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 23:35:57,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 23:35:57,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 23:35:57,902 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 23:35:57,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2021-11-06 23:35:57,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c772fd3/737f0535f4a04e488f98ac5d5c2783d4/FLAGbcb4ae6a2 [2021-11-06 23:35:58,466 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 23:35:58,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2021-11-06 23:35:58,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c772fd3/737f0535f4a04e488f98ac5d5c2783d4/FLAGbcb4ae6a2 [2021-11-06 23:35:58,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c772fd3/737f0535f4a04e488f98ac5d5c2783d4 [2021-11-06 23:35:58,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 23:35:58,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 23:35:58,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 23:35:58,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 23:35:58,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 23:35:58,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:35:58" (1/1) ... [2021-11-06 23:35:58,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@523f19e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:58, skipping insertion in model container [2021-11-06 23:35:58,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:35:58" (1/1) ... [2021-11-06 23:35:58,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 23:35:58,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 23:35:59,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2021-11-06 23:35:59,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2021-11-06 23:35:59,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:35:59,279 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 23:35:59,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2021-11-06 23:35:59,394 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2021-11-06 23:35:59,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:35:59,432 INFO L208 MainTranslator]: Completed translation [2021-11-06 23:35:59,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:59 WrapperNode [2021-11-06 23:35:59,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 23:35:59,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 23:35:59,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 23:35:59,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 23:35:59,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:59" (1/1) ... [2021-11-06 23:35:59,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:59" (1/1) ... [2021-11-06 23:35:59,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 23:35:59,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 23:35:59,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 23:35:59,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 23:35:59,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:59" (1/1) ... [2021-11-06 23:35:59,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:59" (1/1) ... [2021-11-06 23:35:59,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:59" (1/1) ... [2021-11-06 23:35:59,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:59" (1/1) ... [2021-11-06 23:35:59,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:59" (1/1) ... [2021-11-06 23:35:59,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:59" (1/1) ... [2021-11-06 23:35:59,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:59" (1/1) ... [2021-11-06 23:35:59,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 23:35:59,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 23:35:59,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 23:35:59,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 23:35:59,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:59" (1/1) ... [2021-11-06 23:35:59,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:35:59,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:35:59,668 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 23:35:59,695 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 23:35:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 23:35:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 23:35:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 23:35:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 23:35:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 23:35:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 23:35:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 23:35:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 23:35:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 23:35:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 23:35:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 23:36:00,644 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 23:36:00,645 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-11-06 23:36:00,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:36:00 BoogieIcfgContainer [2021-11-06 23:36:00,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 23:36:00,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 23:36:00,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 23:36:00,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 23:36:00,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:35:58" (1/3) ... [2021-11-06 23:36:00,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad68edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:36:00, skipping insertion in model container [2021-11-06 23:36:00,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:35:59" (2/3) ... [2021-11-06 23:36:00,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad68edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:36:00, skipping insertion in model container [2021-11-06 23:36:00,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:36:00" (3/3) ... [2021-11-06 23:36:00,654 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test2-1.i [2021-11-06 23:36:00,659 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 23:36:00,659 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 23:36:00,696 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 23:36:00,701 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 23:36:00,701 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 23:36:00,740 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 23:36:00,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 23:36:00,750 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:00,751 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:36:00,751 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 23:36:00,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:00,761 INFO L85 PathProgramCache]: Analyzing trace with hash 239231399, now seen corresponding path program 1 times [2021-11-06 23:36:00,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:00,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125508749] [2021-11-06 23:36:00,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:00,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:36:00,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:00,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125508749] [2021-11-06 23:36:00,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125508749] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:00,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:00,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 23:36:00,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492843410] [2021-11-06 23:36:00,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 23:36:00,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:00,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 23:36:00,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:36:00,944 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 23:36:00,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:00,986 INFO L93 Difference]: Finished difference Result 352 states and 584 transitions. [2021-11-06 23:36:00,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 23:36:00,988 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-06 23:36:00,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:01,000 INFO L225 Difference]: With dead ends: 352 [2021-11-06 23:36:01,000 INFO L226 Difference]: Without dead ends: 173 [2021-11-06 23:36:01,004 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:36:01,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-06 23:36:01,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-06 23:36:01,053 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 23:36:01,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 225 transitions. [2021-11-06 23:36:01,055 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 225 transitions. Word has length 9 [2021-11-06 23:36:01,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:01,056 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 225 transitions. [2021-11-06 23:36:01,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:01,056 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2021-11-06 23:36:01,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 23:36:01,059 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:01,059 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 23:36:01,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 23:36:01,060 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 23:36:01,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:01,063 INFO L85 PathProgramCache]: Analyzing trace with hash 627334177, now seen corresponding path program 1 times [2021-11-06 23:36:01,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:01,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554771232] [2021-11-06 23:36:01,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:01,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:36:01,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:01,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554771232] [2021-11-06 23:36:01,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554771232] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:01,171 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:01,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:36:01,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472904197] [2021-11-06 23:36:01,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:36:01,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:01,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:36:01,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:36:01,176 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 23:36:01,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:01,513 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2021-11-06 23:36:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:36:01,514 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 23:36:01,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:01,516 INFO L225 Difference]: With dead ends: 377 [2021-11-06 23:36:01,516 INFO L226 Difference]: Without dead ends: 294 [2021-11-06 23:36:01,517 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:36:01,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-06 23:36:01,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 175. [2021-11-06 23:36:01,537 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 23:36:01,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 227 transitions. [2021-11-06 23:36:01,539 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 227 transitions. Word has length 44 [2021-11-06 23:36:01,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:01,540 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 227 transitions. [2021-11-06 23:36:01,540 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 23:36:01,540 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 227 transitions. [2021-11-06 23:36:01,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:36:01,543 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:01,543 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 23:36:01,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 23:36:01,544 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 23:36:01,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:01,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1103505073, now seen corresponding path program 1 times [2021-11-06 23:36:01,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:01,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47354728] [2021-11-06 23:36:01,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:01,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:01,579 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:01,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [576843122] [2021-11-06 23:36:01,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:01,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:01,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:01,591 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:36:01,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 23:36:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:01,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:36:01,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:02,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:36:02,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:02,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47354728] [2021-11-06 23:36:02,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:36:02,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576843122] [2021-11-06 23:36:02,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576843122] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:02,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:02,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:36:02,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962257342] [2021-11-06 23:36:02,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:36:02,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:02,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:36:02,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:36:02,063 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 23:36:02,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:02,126 INFO L93 Difference]: Finished difference Result 367 states and 481 transitions. [2021-11-06 23:36:02,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:36:02,127 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 23:36:02,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:02,129 INFO L225 Difference]: With dead ends: 367 [2021-11-06 23:36:02,129 INFO L226 Difference]: Without dead ends: 196 [2021-11-06 23:36:02,130 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 23:36:02,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-06 23:36:02,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2021-11-06 23:36:02,138 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 23:36:02,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2021-11-06 23:36:02,139 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 96 [2021-11-06 23:36:02,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:02,140 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2021-11-06 23:36:02,140 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 23:36:02,140 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2021-11-06 23:36:02,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:36:02,143 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:02,143 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 23:36:02,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 23:36:02,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:02,368 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 23:36:02,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:02,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744819, now seen corresponding path program 1 times [2021-11-06 23:36:02,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:02,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618066128] [2021-11-06 23:36:02,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:02,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:02,387 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:02,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [410114446] [2021-11-06 23:36:02,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:02,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:02,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:02,396 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:36:02,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 23:36:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:02,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:36:02,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:02,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 23:36:02,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:02,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618066128] [2021-11-06 23:36:02,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:36:02,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410114446] [2021-11-06 23:36:02,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410114446] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:02,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:02,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:36:02,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503922088] [2021-11-06 23:36:02,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:36:02,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:02,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:36:02,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:36:02,796 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 23:36:02,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:02,858 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2021-11-06 23:36:02,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:36:02,860 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 23:36:02,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:02,862 INFO L225 Difference]: With dead ends: 298 [2021-11-06 23:36:02,862 INFO L226 Difference]: Without dead ends: 216 [2021-11-06 23:36:02,865 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 23:36:02,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-06 23:36:02,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2021-11-06 23:36:02,878 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 23:36:02,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 267 transitions. [2021-11-06 23:36:02,879 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 267 transitions. Word has length 96 [2021-11-06 23:36:02,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:02,881 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 267 transitions. [2021-11-06 23:36:02,881 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 23:36:02,882 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 267 transitions. [2021-11-06 23:36:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:36:02,887 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:02,888 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 23:36:02,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-06 23:36:03,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-06 23:36:03,100 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 23:36:03,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:03,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949871, now seen corresponding path program 1 times [2021-11-06 23:36:03,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:03,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592973847] [2021-11-06 23:36:03,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:03,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:03,122 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:03,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [558061364] [2021-11-06 23:36:03,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:03,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:03,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:03,125 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:36:03,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 23:36:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:03,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:36:03,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:03,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:36:03,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:03,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592973847] [2021-11-06 23:36:03,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:36:03,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558061364] [2021-11-06 23:36:03,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558061364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:03,555 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:03,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:36:03,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410498401] [2021-11-06 23:36:03,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:36:03,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:03,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:36:03,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:36:03,563 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 23:36:03,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:03,620 INFO L93 Difference]: Finished difference Result 418 states and 522 transitions. [2021-11-06 23:36:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:36:03,623 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 23:36:03,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:03,624 INFO L225 Difference]: With dead ends: 418 [2021-11-06 23:36:03,625 INFO L226 Difference]: Without dead ends: 207 [2021-11-06 23:36:03,626 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 23:36:03,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-06 23:36:03,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 201. [2021-11-06 23:36:03,634 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 23:36:03,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2021-11-06 23:36:03,635 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 96 [2021-11-06 23:36:03,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:03,635 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2021-11-06 23:36:03,636 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 23:36:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2021-11-06 23:36:03,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:36:03,641 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:03,642 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 23:36:03,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 23:36:03,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:03,856 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 23:36:03,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:03,856 INFO L85 PathProgramCache]: Analyzing trace with hash 569918303, now seen corresponding path program 1 times [2021-11-06 23:36:03,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:03,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184150160] [2021-11-06 23:36:03,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:03,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:03,875 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:03,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1398962438] [2021-11-06 23:36:03,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:03,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:03,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:03,877 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:36:03,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 23:36:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:04,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:36:04,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:04,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 23:36:04,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:04,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184150160] [2021-11-06 23:36:04,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:36:04,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398962438] [2021-11-06 23:36:04,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398962438] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:04,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:04,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:36:04,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988965520] [2021-11-06 23:36:04,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:36:04,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:04,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:36:04,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:36:04,282 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 23:36:04,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:04,343 INFO L93 Difference]: Finished difference Result 295 states and 364 transitions. [2021-11-06 23:36:04,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:36:04,343 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 23:36:04,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:04,344 INFO L225 Difference]: With dead ends: 295 [2021-11-06 23:36:04,345 INFO L226 Difference]: Without dead ends: 193 [2021-11-06 23:36:04,345 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 23:36:04,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-06 23:36:04,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2021-11-06 23:36:04,349 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 23:36:04,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-06 23:36:04,350 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 96 [2021-11-06 23:36:04,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:04,351 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-06 23:36:04,351 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 23:36:04,351 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-06 23:36:04,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:36:04,352 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:04,352 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 23:36:04,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 23:36:04,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:04,580 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 23:36:04,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:04,580 INFO L85 PathProgramCache]: Analyzing trace with hash -312930543, now seen corresponding path program 1 times [2021-11-06 23:36:04,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:04,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483508087] [2021-11-06 23:36:04,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:04,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:04,594 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:04,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [446152267] [2021-11-06 23:36:04,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:04,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:04,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:04,596 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:36:04,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 23:36:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:04,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:36:04,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:05,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:36:05,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:05,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483508087] [2021-11-06 23:36:05,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:36:05,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446152267] [2021-11-06 23:36:05,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446152267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:05,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:05,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:36:05,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79576010] [2021-11-06 23:36:05,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:36:05,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:05,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:36:05,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:36:05,243 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 23:36:05,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:05,293 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2021-11-06 23:36:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:36:05,294 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 23:36:05,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:05,295 INFO L225 Difference]: With dead ends: 486 [2021-11-06 23:36:05,295 INFO L226 Difference]: Without dead ends: 303 [2021-11-06 23:36:05,296 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 23:36:05,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-06 23:36:05,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2021-11-06 23:36:05,302 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 23:36:05,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-11-06 23:36:05,303 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 96 [2021-11-06 23:36:05,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:05,303 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-11-06 23:36:05,303 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 23:36:05,303 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-11-06 23:36:05,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 23:36:05,304 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:05,304 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:36:05,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 23:36:05,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:05,505 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 23:36:05,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:05,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926304, now seen corresponding path program 1 times [2021-11-06 23:36:05,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:05,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969632894] [2021-11-06 23:36:05,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:05,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:05,535 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:05,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1575200923] [2021-11-06 23:36:05,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:05,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:05,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:05,537 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:36:05,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 23:36:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:05,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:36:05,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:06,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:36:06,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:06,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969632894] [2021-11-06 23:36:06,103 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:36:06,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575200923] [2021-11-06 23:36:06,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575200923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:36:06,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:36:06,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:36:06,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805105836] [2021-11-06 23:36:06,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:36:06,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:06,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:36:06,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:36:06,106 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 23:36:06,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:06,273 INFO L93 Difference]: Finished difference Result 474 states and 571 transitions. [2021-11-06 23:36:06,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:36:06,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 23:36:06,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:06,276 INFO L225 Difference]: With dead ends: 474 [2021-11-06 23:36:06,276 INFO L226 Difference]: Without dead ends: 231 [2021-11-06 23:36:06,277 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:36:06,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-06 23:36:06,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2021-11-06 23:36:06,282 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 23:36:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 272 transitions. [2021-11-06 23:36:06,282 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 272 transitions. Word has length 103 [2021-11-06 23:36:06,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:06,283 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 272 transitions. [2021-11-06 23:36:06,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:06,283 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 272 transitions. [2021-11-06 23:36:06,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 23:36:06,284 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:06,284 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:36:06,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 23:36:06,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:06,485 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 23:36:06,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:06,486 INFO L85 PathProgramCache]: Analyzing trace with hash 541560378, now seen corresponding path program 1 times [2021-11-06 23:36:06,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:06,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238296361] [2021-11-06 23:36:06,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:06,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:06,517 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:06,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1312138497] [2021-11-06 23:36:06,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:06,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:06,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:06,528 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:36:06,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 23:36:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:06,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 23:36:06,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:06,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 23:36:06,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 23:36:06,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:06,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 23:36:06,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:06,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:06,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:06,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 23:36:07,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:07,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:07,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:07,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:07,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:07,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:07,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:07,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 23:36:07,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:07,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:07,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:07,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:07,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 23:36:08,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,039 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 23:36:08,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,062 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 23:36:08,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 23:36:08,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 23:36:08,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,138 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 23:36:08,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 23:36:08,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:08,160 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 23:36:09,623 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 23:36:09,624 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 23:36:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:10,909 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 23:36:10,909 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 23:36:10,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:10,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:10,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:10,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:10,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:10,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:10,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:16,106 WARN L207 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-06 23:36:16,112 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-06 23:36:16,112 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 23:36:16,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:16,647 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 23:36:16,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:16,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 23:36:19,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:36:19,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:36:19,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:36:19,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:19,885 INFO L244 Elim1Store]: Index analysis took 286 ms [2021-11-06 23:36:19,887 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 23:36:20,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:36:20,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:36:20,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:09,004 WARN L207 SmtUtils]: Spent 9.80 m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-06 23:46:09,006 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-06 23:46:09,008 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 23:46:14,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,714 INFO L244 Elim1Store]: Index analysis took 318 ms [2021-11-06 23:46:14,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:14,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:15,018 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:46:15,019 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 23:46:17,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:18,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:18,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:18,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:20,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:20,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:21,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:21,081 INFO L244 Elim1Store]: Index analysis took 3784 ms [2021-11-06 23:46:21,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:21,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:21,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:22,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:22,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:22,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:22,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:23,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:23,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:23,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:24,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:24,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:24,273 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:46:24,273 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 23:46:24,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:25,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:25,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:26,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:26,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:26,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:26,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:26,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:26,630 INFO L244 Elim1Store]: Index analysis took 1990 ms [2021-11-06 23:46:26,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:26,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:27,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:28,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:28,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:29,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:29,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:29,162 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:46:29,162 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 23:46:29,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:30,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:30,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:30,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:30,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:30,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:31,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:31,168 INFO L244 Elim1Store]: Index analysis took 1688 ms [2021-11-06 23:46:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:31,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:31,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:31,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:31,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:31,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:32,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:32,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:32,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:32,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:32,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:33,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:46:33,167 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:46:33,167 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