./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f 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_SFH_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 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 22:51:59,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 22:51:59,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 22:51:59,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 22:51:59,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 22:51:59,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 22:51:59,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 22:51:59,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 22:51:59,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 22:51:59,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 22:51:59,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 22:51:59,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 22:51:59,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 22:51:59,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 22:51:59,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 22:51:59,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 22:51:59,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 22:51:59,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 22:51:59,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 22:51:59,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 22:51:59,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 22:51:59,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 22:51:59,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 22:51:59,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 22:51:59,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 22:51:59,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 22:51:59,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 22:51:59,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 22:51:59,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 22:51:59,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 22:51:59,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 22:51:59,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 22:51:59,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 22:51:59,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 22:51:59,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 22:51:59,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 22:51:59,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 22:51:59,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 22:51:59,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 22:51:59,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 22:51:59,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 22:51:59,481 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 22:51:59,513 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 22:51:59,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 22:51:59,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 22:51:59,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 22:51:59,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 22:51:59,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 22:51:59,516 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 22:51:59,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 22:51:59,516 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 22:51:59,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 22:51:59,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 22:51:59,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 22:51:59,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 22:51:59,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 22:51:59,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 22:51:59,518 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 22:51:59,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 22:51:59,518 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 22:51:59,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 22:51:59,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 22:51:59,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 22:51:59,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 22:51:59,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 22:51:59,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 22:51:59,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 22:51:59,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 22:51:59,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 22:51:59,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 22:51:59,521 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 22:51:59,521 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 22:51:59,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 22:51:59,522 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 22:51:59,522 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 [2021-11-07 22:51:59,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 22:51:59,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 22:51:59,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 22:51:59,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 22:51:59,788 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 22:51:59,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2021-11-07 22:51:59,855 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5585c0507/c86adcf0d3494cd8b55f9f7fccf116ca/FLAG8f43f63c6 [2021-11-07 22:52:00,401 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 22:52:00,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2021-11-07 22:52:00,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5585c0507/c86adcf0d3494cd8b55f9f7fccf116ca/FLAG8f43f63c6 [2021-11-07 22:52:00,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5585c0507/c86adcf0d3494cd8b55f9f7fccf116ca [2021-11-07 22:52:00,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 22:52:00,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 22:52:00,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 22:52:00,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 22:52:00,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 22:52:00,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:52:00" (1/1) ... [2021-11-07 22:52:00,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b293a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:52:00, skipping insertion in model container [2021-11-07 22:52:00,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:52:00" (1/1) ... [2021-11-07 22:52:00,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 22:52:00,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 22:52:01,170 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_SFH_test2-1.i[37019,37032] [2021-11-07 22:52:01,248 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_SFH_test2-1.i[47352,47365] [2021-11-07 22:52:01,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 22:52:01,272 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 22:52:01,300 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_SFH_test2-1.i[37019,37032] [2021-11-07 22:52:01,373 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_SFH_test2-1.i[47352,47365] [2021-11-07 22:52:01,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 22:52:01,420 INFO L208 MainTranslator]: Completed translation [2021-11-07 22:52:01,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:52:01 WrapperNode [2021-11-07 22:52:01,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 22:52:01,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 22:52:01,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 22:52:01,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 22:52:01,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:52:01" (1/1) ... [2021-11-07 22:52:01,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:52:01" (1/1) ... [2021-11-07 22:52:01,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 22:52:01,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 22:52:01,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 22:52:01,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 22:52:01,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:52:01" (1/1) ... [2021-11-07 22:52:01,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:52:01" (1/1) ... [2021-11-07 22:52:01,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:52:01" (1/1) ... [2021-11-07 22:52:01,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:52:01" (1/1) ... [2021-11-07 22:52:01,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:52:01" (1/1) ... [2021-11-07 22:52:01,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:52:01" (1/1) ... [2021-11-07 22:52:01,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:52:01" (1/1) ... [2021-11-07 22:52:01,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 22:52:01,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 22:52:01,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 22:52:01,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 22:52:01,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:52:01" (1/1) ... [2021-11-07 22:52:01,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 22:52:01,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:52:01,653 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) [2021-11-07 22:52:01,674 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 [2021-11-07 22:52:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 22:52:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 22:52:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 22:52:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 22:52:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 22:52:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 22:52:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 22:52:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 22:52:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 22:52:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 22:52:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 22:52:02,657 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 22:52:02,658 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-11-07 22:52:02,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:52:02 BoogieIcfgContainer [2021-11-07 22:52:02,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 22:52:02,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 22:52:02,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 22:52:02,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 22:52:02,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:52:00" (1/3) ... [2021-11-07 22:52:02,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3e91df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:52:02, skipping insertion in model container [2021-11-07 22:52:02,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:52:01" (2/3) ... [2021-11-07 22:52:02,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3e91df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:52:02, skipping insertion in model container [2021-11-07 22:52:02,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:52:02" (3/3) ... [2021-11-07 22:52:02,666 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test2-1.i [2021-11-07 22:52:02,671 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 22:52:02,671 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 22:52:02,707 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 22:52:02,713 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 [2021-11-07 22:52:02,713 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 22:52:02,729 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) [2021-11-07 22:52:02,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 22:52:02,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:52:02,735 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:52:02,735 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)] === [2021-11-07 22:52:02,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:52:02,740 INFO L85 PathProgramCache]: Analyzing trace with hash 239231399, now seen corresponding path program 1 times [2021-11-07 22:52:02,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:52:02,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287186003] [2021-11-07 22:52:02,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:02,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:52:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:52:02,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:52:02,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:52:02,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287186003] [2021-11-07 22:52:02,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287186003] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:52:02,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:52:02,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 22:52:02,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048155393] [2021-11-07 22:52:02,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:52:02,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 22:52:02,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:52:02,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 22:52:02,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 22:52:02,924 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) [2021-11-07 22:52:02,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:52:02,960 INFO L93 Difference]: Finished difference Result 352 states and 584 transitions. [2021-11-07 22:52:02,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 22:52:02,961 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 [2021-11-07 22:52:02,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:52:02,970 INFO L225 Difference]: With dead ends: 352 [2021-11-07 22:52:02,970 INFO L226 Difference]: Without dead ends: 173 [2021-11-07 22:52:02,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 22:52:02,976 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.42ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 22:52:02,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 2.42ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 22:52:02,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-07 22:52:03,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-07 22:52:03,032 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) [2021-11-07 22:52:03,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 225 transitions. [2021-11-07 22:52:03,039 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 225 transitions. Word has length 9 [2021-11-07 22:52:03,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:52:03,039 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 225 transitions. [2021-11-07 22:52:03,040 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) [2021-11-07 22:52:03,040 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2021-11-07 22:52:03,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 22:52:03,043 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:52:03,044 INFO L514 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] [2021-11-07 22:52:03,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 22:52:03,044 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)] === [2021-11-07 22:52:03,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:52:03,047 INFO L85 PathProgramCache]: Analyzing trace with hash 627334177, now seen corresponding path program 1 times [2021-11-07 22:52:03,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:52:03,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880194748] [2021-11-07 22:52:03,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:03,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:52:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:52:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:52:03,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:52:03,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880194748] [2021-11-07 22:52:03,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880194748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:52:03,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:52:03,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:52:03,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837637125] [2021-11-07 22:52:03,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:52:03,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:52:03,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:52:03,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:52:03,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:52:03,159 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) [2021-11-07 22:52:03,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:52:03,468 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2021-11-07 22:52:03,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:52:03,469 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 [2021-11-07 22:52:03,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:52:03,478 INFO L225 Difference]: With dead ends: 377 [2021-11-07 22:52:03,479 INFO L226 Difference]: Without dead ends: 294 [2021-11-07 22:52:03,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.04ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:52:03,480 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 153 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 218.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.37ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 255.99ms IncrementalHoareTripleChecker+Time [2021-11-07 22:52:03,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 534 Invalid, 142 Unknown, 0 Unchecked, 7.37ms Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 255.99ms Time] [2021-11-07 22:52:03,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-07 22:52:03,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 175. [2021-11-07 22:52:03,491 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) [2021-11-07 22:52:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 227 transitions. [2021-11-07 22:52:03,493 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 227 transitions. Word has length 44 [2021-11-07 22:52:03,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:52:03,493 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 227 transitions. [2021-11-07 22:52:03,493 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) [2021-11-07 22:52:03,493 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 227 transitions. [2021-11-07 22:52:03,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 22:52:03,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:52:03,496 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:52:03,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 22:52:03,497 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)] === [2021-11-07 22:52:03,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:52:03,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1103505073, now seen corresponding path program 1 times [2021-11-07 22:52:03,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:52:03,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183991541] [2021-11-07 22:52:03,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:03,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:52:03,516 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:52:03,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1892128437] [2021-11-07 22:52:03,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:03,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:52:03,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:52:03,523 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) [2021-11-07 22:52:03,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 22:52:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:52:03,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:52:03,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:52:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:52:03,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:52:03,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:52:03,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183991541] [2021-11-07 22:52:03,927 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:52:03,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892128437] [2021-11-07 22:52:03,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892128437] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:52:03,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:52:03,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 22:52:03,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393862763] [2021-11-07 22:52:03,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:52:03,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 22:52:03,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:52:03,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 22:52:03,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:52:03,934 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) [2021-11-07 22:52:03,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:52:03,996 INFO L93 Difference]: Finished difference Result 367 states and 481 transitions. [2021-11-07 22:52:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 22:52:03,996 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 [2021-11-07 22:52:03,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:52:04,000 INFO L225 Difference]: With dead ends: 367 [2021-11-07 22:52:04,000 INFO L226 Difference]: Without dead ends: 196 [2021-11-07 22:52:04,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.75ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:52:04,005 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.85ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.62ms IncrementalHoareTripleChecker+Time [2021-11-07 22:52:04,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 0.85ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 55.62ms Time] [2021-11-07 22:52:04,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-07 22:52:04,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2021-11-07 22:52:04,026 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) [2021-11-07 22:52:04,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2021-11-07 22:52:04,027 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 96 [2021-11-07 22:52:04,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:52:04,028 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2021-11-07 22:52:04,028 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) [2021-11-07 22:52:04,028 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2021-11-07 22:52:04,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 22:52:04,031 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:52:04,031 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:52:04,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 22:52:04,251 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 [2021-11-07 22:52:04,252 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)] === [2021-11-07 22:52:04,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:52:04,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744819, now seen corresponding path program 1 times [2021-11-07 22:52:04,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:52:04,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973677013] [2021-11-07 22:52:04,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:04,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:52:04,274 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:52:04,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1155458021] [2021-11-07 22:52:04,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:04,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:52:04,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:52:04,281 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) [2021-11-07 22:52:04,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 22:52:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:52:04,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:52:04,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:52:04,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 22:52:04,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:52:04,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:52:04,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973677013] [2021-11-07 22:52:04,627 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:52:04,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155458021] [2021-11-07 22:52:04,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155458021] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:52:04,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:52:04,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 22:52:04,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073066462] [2021-11-07 22:52:04,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:52:04,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 22:52:04,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:52:04,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 22:52:04,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:52:04,634 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) [2021-11-07 22:52:04,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:52:04,724 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2021-11-07 22:52:04,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 22:52:04,725 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 [2021-11-07 22:52:04,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:52:04,726 INFO L225 Difference]: With dead ends: 298 [2021-11-07 22:52:04,726 INFO L226 Difference]: Without dead ends: 216 [2021-11-07 22:52:04,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.91ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:52:04,728 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.92ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.66ms IncrementalHoareTripleChecker+Time [2021-11-07 22:52:04,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 0.92ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 83.66ms Time] [2021-11-07 22:52:04,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-07 22:52:04,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2021-11-07 22:52:04,732 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) [2021-11-07 22:52:04,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 267 transitions. [2021-11-07 22:52:04,748 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 267 transitions. Word has length 96 [2021-11-07 22:52:04,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:52:04,749 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 267 transitions. [2021-11-07 22:52:04,749 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) [2021-11-07 22:52:04,749 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 267 transitions. [2021-11-07 22:52:04,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 22:52:04,751 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:52:04,751 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:52:04,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 22:52:04,951 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 [2021-11-07 22:52:04,952 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)] === [2021-11-07 22:52:04,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:52:04,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949871, now seen corresponding path program 1 times [2021-11-07 22:52:04,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:52:04,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807599952] [2021-11-07 22:52:04,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:04,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:52:04,966 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:52:04,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [270758672] [2021-11-07 22:52:04,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:04,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:52:04,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:52:04,968 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) [2021-11-07 22:52:04,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 22:52:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:52:05,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:52:05,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:52:05,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:52:05,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:52:05,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:52:05,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807599952] [2021-11-07 22:52:05,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:52:05,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270758672] [2021-11-07 22:52:05,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270758672] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:52:05,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:52:05,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:52:05,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900834737] [2021-11-07 22:52:05,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:52:05,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:52:05,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:52:05,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:52:05,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:52:05,308 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) [2021-11-07 22:52:05,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:52:05,374 INFO L93 Difference]: Finished difference Result 418 states and 522 transitions. [2021-11-07 22:52:05,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:52:05,375 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 [2021-11-07 22:52:05,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:52:05,376 INFO L225 Difference]: With dead ends: 418 [2021-11-07 22:52:05,376 INFO L226 Difference]: Without dead ends: 207 [2021-11-07 22:52:05,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.50ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:52:05,378 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 213 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.09ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.06ms IncrementalHoareTripleChecker+Time [2021-11-07 22:52:05,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 406 Invalid, 66 Unknown, 0 Unchecked, 2.09ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 51.06ms Time] [2021-11-07 22:52:05,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-07 22:52:05,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 201. [2021-11-07 22:52:05,384 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) [2021-11-07 22:52:05,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2021-11-07 22:52:05,385 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 96 [2021-11-07 22:52:05,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:52:05,387 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2021-11-07 22:52:05,387 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) [2021-11-07 22:52:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2021-11-07 22:52:05,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 22:52:05,389 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:52:05,390 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:52:05,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 22:52:05,599 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 [2021-11-07 22:52:05,600 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)] === [2021-11-07 22:52:05,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:52:05,600 INFO L85 PathProgramCache]: Analyzing trace with hash 569918303, now seen corresponding path program 1 times [2021-11-07 22:52:05,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:52:05,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23233126] [2021-11-07 22:52:05,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:05,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:52:05,612 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:52:05,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1517042837] [2021-11-07 22:52:05,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:05,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:52:05,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:52:05,614 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) [2021-11-07 22:52:05,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 22:52:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:52:05,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:52:05,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:52:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 22:52:05,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:52:05,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:52:05,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23233126] [2021-11-07 22:52:05,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:52:05,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517042837] [2021-11-07 22:52:05,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517042837] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:52:05,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:52:05,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:52:05,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384057169] [2021-11-07 22:52:05,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:52:05,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:52:05,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:52:05,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:52:05,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:52:05,959 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) [2021-11-07 22:52:06,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:52:06,028 INFO L93 Difference]: Finished difference Result 295 states and 364 transitions. [2021-11-07 22:52:06,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:52:06,029 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 [2021-11-07 22:52:06,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:52:06,030 INFO L225 Difference]: With dead ends: 295 [2021-11-07 22:52:06,030 INFO L226 Difference]: Without dead ends: 193 [2021-11-07 22:52:06,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.04ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:52:06,031 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 96 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.16ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.81ms IncrementalHoareTripleChecker+Time [2021-11-07 22:52:06,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 496 Invalid, 66 Unknown, 0 Unchecked, 1.16ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 56.81ms Time] [2021-11-07 22:52:06,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-07 22:52:06,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2021-11-07 22:52:06,036 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) [2021-11-07 22:52:06,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-07 22:52:06,037 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 96 [2021-11-07 22:52:06,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:52:06,037 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-07 22:52:06,037 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) [2021-11-07 22:52:06,038 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-07 22:52:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 22:52:06,039 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:52:06,039 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:52:06,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 22:52:06,252 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 [2021-11-07 22:52:06,253 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)] === [2021-11-07 22:52:06,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:52:06,253 INFO L85 PathProgramCache]: Analyzing trace with hash -312930543, now seen corresponding path program 1 times [2021-11-07 22:52:06,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:52:06,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882940916] [2021-11-07 22:52:06,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:06,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:52:06,266 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:52:06,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1729012036] [2021-11-07 22:52:06,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:06,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:52:06,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:52:06,268 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) [2021-11-07 22:52:06,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 22:52:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:52:06,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 22:52:06,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:52:06,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:52:06,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:52:06,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:52:06,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882940916] [2021-11-07 22:52:06,697 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:52:06,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729012036] [2021-11-07 22:52:06,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729012036] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:52:06,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:52:06,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 22:52:06,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709611503] [2021-11-07 22:52:06,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:52:06,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 22:52:06,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:52:06,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 22:52:06,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:52:06,699 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) [2021-11-07 22:52:06,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:52:06,759 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2021-11-07 22:52:06,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 22:52:06,760 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 [2021-11-07 22:52:06,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:52:06,761 INFO L225 Difference]: With dead ends: 486 [2021-11-07 22:52:06,761 INFO L226 Difference]: Without dead ends: 303 [2021-11-07 22:52:06,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.09ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:52:06,762 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 94 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.01ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.26ms IncrementalHoareTripleChecker+Time [2021-11-07 22:52:06,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 441 Invalid, 14 Unknown, 0 Unchecked, 1.01ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 50.26ms Time] [2021-11-07 22:52:06,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-07 22:52:06,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2021-11-07 22:52:06,769 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) [2021-11-07 22:52:06,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-11-07 22:52:06,770 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 96 [2021-11-07 22:52:06,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:52:06,771 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-11-07 22:52:06,771 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) [2021-11-07 22:52:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-11-07 22:52:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 22:52:06,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:52:06,772 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:52:06,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 22:52:06,979 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 [2021-11-07 22:52:06,980 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)] === [2021-11-07 22:52:06,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:52:06,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926304, now seen corresponding path program 1 times [2021-11-07 22:52:06,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:52:06,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573460710] [2021-11-07 22:52:06,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:06,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:52:06,994 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:52:06,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [241459064] [2021-11-07 22:52:06,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:06,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:52:06,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:52:06,996 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) [2021-11-07 22:52:07,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 22:52:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:52:07,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 22:52:07,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:52:07,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:52:07,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:52:07,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:52:07,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573460710] [2021-11-07 22:52:07,390 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:52:07,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241459064] [2021-11-07 22:52:07,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241459064] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:52:07,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:52:07,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:52:07,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130197120] [2021-11-07 22:52:07,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:52:07,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:52:07,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:52:07,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:52:07,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:52:07,393 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) [2021-11-07 22:52:07,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:52:07,533 INFO L93 Difference]: Finished difference Result 474 states and 571 transitions. [2021-11-07 22:52:07,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:52:07,534 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 [2021-11-07 22:52:07,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:52:07,535 INFO L225 Difference]: With dead ends: 474 [2021-11-07 22:52:07,535 INFO L226 Difference]: Without dead ends: 231 [2021-11-07 22:52:07,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.06ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:52:07,536 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 310 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 103.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.40ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 125.82ms IncrementalHoareTripleChecker+Time [2021-11-07 22:52:07,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [310 Valid, 266 Invalid, 49 Unknown, 0 Unchecked, 1.40ms Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 125.82ms Time] [2021-11-07 22:52:07,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-07 22:52:07,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2021-11-07 22:52:07,542 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) [2021-11-07 22:52:07,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 272 transitions. [2021-11-07 22:52:07,542 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 272 transitions. Word has length 103 [2021-11-07 22:52:07,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:52:07,543 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 272 transitions. [2021-11-07 22:52:07,544 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) [2021-11-07 22:52:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 272 transitions. [2021-11-07 22:52:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 22:52:07,545 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:52:07,545 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:52:07,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 22:52:07,769 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 [2021-11-07 22:52:07,770 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)] === [2021-11-07 22:52:07,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:52:07,770 INFO L85 PathProgramCache]: Analyzing trace with hash 541560378, now seen corresponding path program 1 times [2021-11-07 22:52:07,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:52:07,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205212179] [2021-11-07 22:52:07,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:07,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:52:07,782 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:52:07,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1526808084] [2021-11-07 22:52:07,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:52:07,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:52:07,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:52:07,784 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) [2021-11-07 22:52:07,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 22:52:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:52:07,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 22:52:07,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:52:07,957 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 [2021-11-07 22:52:07,962 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 [2021-11-07 22:52:07,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:07,993 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 [2021-11-07 22:52:08,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,054 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 [2021-11-07 22:52:08,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,900 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 [2021-11-07 22:52:08,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,910 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 [2021-11-07 22:52:08,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:08,996 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 [2021-11-07 22:52:09,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,013 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 [2021-11-07 22:52:09,054 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 [2021-11-07 22:52:09,060 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 [2021-11-07 22:52:09,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,074 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 22:52:09,075 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 [2021-11-07 22:52:09,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:09,095 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 [2021-11-07 22:52:10,401 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 22:52:10,402 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 [2021-11-07 22:52:10,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:11,606 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 22:52:11,607 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 [2021-11-07 22:52:11,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:11,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:11,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:11,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:11,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:16,976 WARN L227 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 535 DAG size of output: 129 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-07 22:52:16,977 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-07 22:52:16,978 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 [2021-11-07 22:52:17,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:17,627 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 [2021-11-07 22:52:17,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:17,771 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 [2021-11-07 22:52:20,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:52:20,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:52:20,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:52:20,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:20,945 INFO L244 Elim1Store]: Index analysis took 222 ms [2021-11-07 22:52:20,946 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 [2021-11-07 22:52:21,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:52:21,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:52:21,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:52:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:05,610 WARN L227 SmtUtils]: Spent 9.73m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-07 23:02:05,612 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-07 23:02:05,614 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 [2021-11-07 23:02:10,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:10,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:10,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:10,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:10,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:10,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:10,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:10,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:11,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:11,005 INFO L244 Elim1Store]: Index analysis took 280 ms [2021-11-07 23:02:11,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:11,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:11,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:11,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:11,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:11,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:11,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:11,256 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:02:11,256 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 [2021-11-07 23:02:13,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:14,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:14,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:14,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:15,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:15,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:16,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:16,544 INFO L244 Elim1Store]: Index analysis took 3360 ms [2021-11-07 23:02:16,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:17,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:17,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:17,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:17,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:17,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:18,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:18,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:18,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:19,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:19,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:19,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:19,421 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:02:19,422 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 [2021-11-07 23:02:19,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:20,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:20,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:20,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:21,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:21,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:21,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:21,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:21,447 INFO L244 Elim1Store]: Index analysis took 1665 ms [2021-11-07 23:02:21,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:21,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:22,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:22,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:23,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:23,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:23,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:23,602 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:02:23,603 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 [2021-11-07 23:02:23,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:24,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:24,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:24,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:25,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:25,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:25,391 INFO L244 Elim1Store]: Index analysis took 1501 ms [2021-11-07 23:02:25,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:25,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:25,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:25,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:25,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:26,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:26,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:26,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:26,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:26,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:26,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:27,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:27,137 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:02:27,138 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