./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.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 4f54335276b565c52e40eef6a3f78ed9d794347e65877e7f862e4de86bcdea73 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 23:05:47,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 23:05:47,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 23:05:47,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 23:05:47,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 23:05:47,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 23:05:47,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 23:05:47,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 23:05:47,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 23:05:47,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 23:05:47,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 23:05:47,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 23:05:47,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 23:05:47,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 23:05:47,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 23:05:47,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 23:05:47,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 23:05:47,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 23:05:47,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 23:05:47,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 23:05:47,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 23:05:47,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 23:05:47,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 23:05:47,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 23:05:47,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 23:05:47,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 23:05:47,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 23:05:47,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 23:05:47,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 23:05:47,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 23:05:47,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 23:05:47,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 23:05:47,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 23:05:47,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 23:05:47,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 23:05:47,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 23:05:47,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 23:05:47,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 23:05:47,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 23:05:47,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 23:05:47,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 23:05:47,533 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 23:05:47,558 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 23:05:47,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 23:05:47,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 23:05:47,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 23:05:47,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 23:05:47,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 23:05:47,560 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 23:05:47,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 23:05:47,560 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 23:05:47,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 23:05:47,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 23:05:47,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 23:05:47,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 23:05:47,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 23:05:47,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 23:05:47,562 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 23:05:47,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 23:05:47,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 23:05:47,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 23:05:47,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 23:05:47,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 23:05:47,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 23:05:47,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:05:47,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 23:05:47,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 23:05:47,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 23:05:47,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 23:05:47,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 23:05:47,564 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 23:05:47,564 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 23:05:47,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 23:05:47,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 23:05:47,564 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f54335276b565c52e40eef6a3f78ed9d794347e65877e7f862e4de86bcdea73 [2021-11-06 23:05:47,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 23:05:47,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 23:05:47,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 23:05:47,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 23:05:47,761 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 23:05:47,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i [2021-11-06 23:05:47,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8e4efde8/f8313f41993a44b7a09237e2a81e6d7d/FLAGdc642178b [2021-11-06 23:05:48,336 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 23:05:48,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-1.i [2021-11-06 23:05:48,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8e4efde8/f8313f41993a44b7a09237e2a81e6d7d/FLAGdc642178b [2021-11-06 23:05:48,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8e4efde8/f8313f41993a44b7a09237e2a81e6d7d [2021-11-06 23:05:48,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 23:05:48,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 23:05:48,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 23:05:48,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 23:05:48,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 23:05:48,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:05:48" (1/1) ... [2021-11-06 23:05:48,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5fb1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:48, skipping insertion in model container [2021-11-06 23:05:48,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:05:48" (1/1) ... [2021-11-06 23:05:48,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 23:05:48,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 23:05:49,199 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_FNV_test9-1.i[33021,33034] [2021-11-06 23:05:49,374 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_FNV_test9-1.i[84583,84596] [2021-11-06 23:05:49,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:05:49,397 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 23:05:49,413 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_FNV_test9-1.i[33021,33034] [2021-11-06 23:05:49,518 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_FNV_test9-1.i[84583,84596] [2021-11-06 23:05:49,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:05:49,543 INFO L208 MainTranslator]: Completed translation [2021-11-06 23:05:49,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:49 WrapperNode [2021-11-06 23:05:49,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 23:05:49,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 23:05:49,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 23:05:49,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 23:05:49,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:49" (1/1) ... [2021-11-06 23:05:49,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:49" (1/1) ... [2021-11-06 23:05:49,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 23:05:49,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 23:05:49,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 23:05:49,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 23:05:49,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:49" (1/1) ... [2021-11-06 23:05:49,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:49" (1/1) ... [2021-11-06 23:05:49,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:49" (1/1) ... [2021-11-06 23:05:49,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:49" (1/1) ... [2021-11-06 23:05:49,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:49" (1/1) ... [2021-11-06 23:05:49,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:49" (1/1) ... [2021-11-06 23:05:49,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:49" (1/1) ... [2021-11-06 23:05:49,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 23:05:49,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 23:05:49,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 23:05:49,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 23:05:49,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:49" (1/1) ... [2021-11-06 23:05:49,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:05:49,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:05:49,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 23:05:49,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 23:05:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 23:05:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 23:05:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 23:05:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 23:05:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 23:05:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 23:05:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 23:05:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 23:05:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 23:05:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 23:05:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 23:05:52,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 23:05:52,149 INFO L299 CfgBuilder]: Removed 1066 assume(true) statements. [2021-11-06 23:05:52,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:05:52 BoogieIcfgContainer [2021-11-06 23:05:52,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 23:05:52,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 23:05:52,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 23:05:52,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 23:05:52,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:05:48" (1/3) ... [2021-11-06 23:05:52,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@206e473e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:05:52, skipping insertion in model container [2021-11-06 23:05:52,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:49" (2/3) ... [2021-11-06 23:05:52,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@206e473e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:05:52, skipping insertion in model container [2021-11-06 23:05:52,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:05:52" (3/3) ... [2021-11-06 23:05:52,162 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test9-1.i [2021-11-06 23:05:52,166 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 23:05:52,166 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-06 23:05:52,209 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 23:05:52,215 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 23:05:52,215 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-06 23:05:52,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 2157 states, 1655 states have (on average 1.9716012084592145) internal successors, (3263), 2156 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:52,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 23:05:52,259 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:05:52,260 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:05:52,260 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:05:52,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:05:52,264 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-06 23:05:52,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:05:52,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718827392] [2021-11-06 23:05:52,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:52,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:05:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:05:52,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:05:52,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:05:52,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718827392] [2021-11-06 23:05:52,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718827392] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:05:52,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:05:52,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 23:05:52,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903475482] [2021-11-06 23:05:52,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 23:05:52,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:05:52,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 23:05:52,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:05:52,381 INFO L87 Difference]: Start difference. First operand has 2157 states, 1655 states have (on average 1.9716012084592145) internal successors, (3263), 2156 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:52,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:05:52,429 INFO L93 Difference]: Finished difference Result 4312 states and 6524 transitions. [2021-11-06 23:05:52,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 23:05:52,430 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-06 23:05:52,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:05:52,445 INFO L225 Difference]: With dead ends: 4312 [2021-11-06 23:05:52,446 INFO L226 Difference]: Without dead ends: 2153 [2021-11-06 23:05:52,451 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:05:52,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-06 23:05:52,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-06 23:05:52,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1652 states have (on average 1.6343825665859564) internal successors, (2700), 2152 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-06 23:05:52,535 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-06 23:05:52,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:05:52,535 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-06 23:05:52,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:52,536 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-06 23:05:52,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 23:05:52,537 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:05:52,537 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:05:52,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 23:05:52,537 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:05:52,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:05:52,538 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-06 23:05:52,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:05:52,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767629895] [2021-11-06 23:05:52,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:52,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:05:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:05:52,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:05:52,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:05:52,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767629895] [2021-11-06 23:05:52,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767629895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:05:52,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:05:52,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:05:52,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773581312] [2021-11-06 23:05:52,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:05:52,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:05:52,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:05:52,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:05:52,588 INFO L87 Difference]: Start difference. First operand 2153 states and 2700 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:52,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:05:52,874 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-06 23:05:52,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:05:52,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-06 23:05:52,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:05:52,887 INFO L225 Difference]: With dead ends: 6317 [2021-11-06 23:05:52,888 INFO L226 Difference]: Without dead ends: 4254 [2021-11-06 23:05:52,892 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:05:52,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-06 23:05:52,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-06 23:05:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1654 states have (on average 1.6336154776299878) internal successors, (2702), 2154 states have internal predecessors, (2702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-06 23:05:52,967 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-06 23:05:52,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:05:52,967 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-06 23:05:52,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-06 23:05:52,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:05:52,973 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:05:52,973 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:05:52,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 23:05:52,974 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:05:52,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:05:52,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-06 23:05:52,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:05:52,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562028217] [2021-11-06 23:05:52,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:52,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:05:53,010 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:05:53,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1267227411] [2021-11-06 23:05:53,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:53,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:05:53,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:05:53,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:05:53,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 23:05:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:05:53,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:05:53,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:05:53,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:05:53,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:05:53,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562028217] [2021-11-06 23:05:53,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:05:53,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267227411] [2021-11-06 23:05:53,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267227411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:05:53,418 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:05:53,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:05:53,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240037309] [2021-11-06 23:05:53,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:05:53,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:05:53,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:05:53,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:05:53,420 INFO L87 Difference]: Start difference. First operand 2155 states and 2702 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:53,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:05:53,485 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-06 23:05:53,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:05:53,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:05:53,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:05:53,491 INFO L225 Difference]: With dead ends: 4327 [2021-11-06 23:05:53,492 INFO L226 Difference]: Without dead ends: 2176 [2021-11-06 23:05:53,494 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:05:53,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-06 23:05:53,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-06 23:05:53,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1674 states have (on average 1.6260454002389486) internal successors, (2722), 2174 states have internal predecessors, (2722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:53,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-06 23:05:53,523 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-06 23:05:53,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:05:53,524 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-06 23:05:53,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:53,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-06 23:05:53,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:05:53,525 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:05:53,525 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:05:53,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 23:05:53,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:05:53,746 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:05:53,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:05:53,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-06 23:05:53,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:05:53,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282419676] [2021-11-06 23:05:53,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:53,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:05:53,759 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:05:53,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1748876116] [2021-11-06 23:05:53,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:53,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:05:53,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:05:53,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:05:53,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 23:05:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:05:53,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:05:53,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:05:54,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 23:05:54,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:05:54,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282419676] [2021-11-06 23:05:54,128 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:05:54,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748876116] [2021-11-06 23:05:54,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748876116] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:05:54,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:05:54,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:05:54,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159078453] [2021-11-06 23:05:54,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:05:54,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:05:54,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:05:54,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:05:54,131 INFO L87 Difference]: Start difference. First operand 2175 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:54,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:05:54,204 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-06 23:05:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:05:54,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:05:54,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:05:54,211 INFO L225 Difference]: With dead ends: 4258 [2021-11-06 23:05:54,212 INFO L226 Difference]: Without dead ends: 2196 [2021-11-06 23:05:54,215 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:05:54,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-06 23:05:54,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-06 23:05:54,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2195 states, 1694 states have (on average 1.6186540731995278) internal successors, (2742), 2194 states have internal predecessors, (2742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:54,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-06 23:05:54,250 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-06 23:05:54,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:05:54,251 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-06 23:05:54,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:54,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-06 23:05:54,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:05:54,253 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:05:54,254 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:05:54,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-06 23:05:54,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-06 23:05:54,468 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:05:54,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:05:54,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-06 23:05:54,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:05:54,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659571599] [2021-11-06 23:05:54,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:54,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:05:54,482 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:05:54,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1510343670] [2021-11-06 23:05:54,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:54,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:05:54,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:05:54,484 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:05:54,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 23:05:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:05:54,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:05:54,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:05:54,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:05:54,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:05:54,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659571599] [2021-11-06 23:05:54,809 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:05:54,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510343670] [2021-11-06 23:05:54,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510343670] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:05:54,812 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:05:54,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:05:54,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904987196] [2021-11-06 23:05:54,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:05:54,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:05:54,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:05:54,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:05:54,819 INFO L87 Difference]: Start difference. First operand 2195 states and 2742 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:54,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:05:54,899 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-06 23:05:54,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:05:54,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:05:54,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:05:54,905 INFO L225 Difference]: With dead ends: 4378 [2021-11-06 23:05:54,905 INFO L226 Difference]: Without dead ends: 2187 [2021-11-06 23:05:54,908 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:05:54,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-06 23:05:54,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-06 23:05:54,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1680 states have (on average 1.6196428571428572) internal successors, (2721), 2180 states have internal predecessors, (2721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:54,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-06 23:05:54,938 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-06 23:05:54,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:05:54,938 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-06 23:05:54,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:54,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-06 23:05:54,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:05:54,939 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:05:54,940 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:05:54,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 23:05:55,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:05:55,150 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:05:55,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:05:55,151 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-06 23:05:55,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:05:55,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410675206] [2021-11-06 23:05:55,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:55,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:05:55,167 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:05:55,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [686242232] [2021-11-06 23:05:55,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:55,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:05:55,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:05:55,175 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:05:55,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 23:05:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:05:55,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:05:55,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:05:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 23:05:55,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:05:55,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410675206] [2021-11-06 23:05:55,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:05:55,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686242232] [2021-11-06 23:05:55,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686242232] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:05:55,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:05:55,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:05:55,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400891723] [2021-11-06 23:05:55,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:05:55,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:05:55,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:05:55,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:05:55,516 INFO L87 Difference]: Start difference. First operand 2181 states and 2721 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:55,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:05:55,614 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-06 23:05:55,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:05:55,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:05:55,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:05:55,620 INFO L225 Difference]: With dead ends: 4255 [2021-11-06 23:05:55,620 INFO L226 Difference]: Without dead ends: 2173 [2021-11-06 23:05:55,622 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:05:55,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-06 23:05:55,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-06 23:05:55,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 1666 states have (on average 1.6206482593037215) internal successors, (2700), 2166 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:55,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-06 23:05:55,654 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-06 23:05:55,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:05:55,655 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-06 23:05:55,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:55,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-06 23:05:55,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:05:55,656 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:05:55,656 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:05:55,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 23:05:55,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:05:55,867 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:05:55,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:05:55,868 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-06 23:05:55,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:05:55,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442653732] [2021-11-06 23:05:55,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:55,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:05:55,878 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:05:55,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1039106623] [2021-11-06 23:05:55,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:55,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:05:55,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:05:55,920 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:05:55,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 23:05:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:05:56,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:05:56,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:05:56,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:05:56,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:05:56,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442653732] [2021-11-06 23:05:56,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:05:56,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039106623] [2021-11-06 23:05:56,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039106623] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:05:56,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:05:56,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:05:56,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512775016] [2021-11-06 23:05:56,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:05:56,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:05:56,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:05:56,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:05:56,359 INFO L87 Difference]: Start difference. First operand 2167 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:56,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:05:56,426 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-06 23:05:56,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:05:56,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:05:56,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:05:56,437 INFO L225 Difference]: With dead ends: 6426 [2021-11-06 23:05:56,438 INFO L226 Difference]: Without dead ends: 4263 [2021-11-06 23:05:56,441 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:05:56,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-06 23:05:56,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-06 23:05:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 2760 states have (on average 1.7409420289855073) internal successors, (4805), 3260 states have internal predecessors, (4805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-06 23:05:56,496 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-06 23:05:56,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:05:56,497 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-06 23:05:56,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-06 23:05:56,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 23:05:56,498 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:05:56,498 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:05:56,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 23:05:56,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:05:56,711 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:05:56,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:05:56,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-06 23:05:56,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:05:56,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943626409] [2021-11-06 23:05:56,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:56,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:05:56,723 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:05:56,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1949687586] [2021-11-06 23:05:56,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:56,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:05:56,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:05:56,724 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:05:56,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 23:05:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:05:56,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:05:56,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:05:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:05:57,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:05:57,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943626409] [2021-11-06 23:05:57,112 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:05:57,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949687586] [2021-11-06 23:05:57,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949687586] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:05:57,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:05:57,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:05:57,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962733724] [2021-11-06 23:05:57,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:05:57,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:05:57,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:05:57,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:05:57,114 INFO L87 Difference]: Start difference. First operand 3261 states and 4805 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:57,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:05:57,296 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-06 23:05:57,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:05:57,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 23:05:57,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:05:57,303 INFO L225 Difference]: With dead ends: 5424 [2021-11-06 23:05:57,303 INFO L226 Difference]: Without dead ends: 2211 [2021-11-06 23:05:57,305 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:05:57,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-06 23:05:57,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-06 23:05:57,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1710 states have (on average 1.6064327485380117) internal successors, (2747), 2210 states have internal predecessors, (2747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-06 23:05:57,339 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-06 23:05:57,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:05:57,340 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-06 23:05:57,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:05:57,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-06 23:05:57,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 23:05:57,343 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:05:57,343 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:05:57,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 23:05:57,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:05:57,564 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:05:57,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:05:57,564 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-06 23:05:57,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:05:57,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709991046] [2021-11-06 23:05:57,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:57,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:05:57,588 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:05:57,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1538485905] [2021-11-06 23:05:57,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:05:57,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:05:57,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:05:57,602 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:05:57,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 23:05:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:05:57,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 23:05:57,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:05:57,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 23:05:57,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 23:05:57,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:57,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 23:05:57,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:57,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:57,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:57,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 23:05:58,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 23:05:58,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 23:05:58,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 23:05:58,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:05:58,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 23:05:58,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 23:05:58,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,967 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 23:05:58,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 23:05:58,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:05:58,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:06:00,028 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 23:06:00,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-06 23:06:00,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:01,217 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 23:06:01,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-06 23:06:01,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:01,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:01,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:01,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:01,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:01,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:01,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:06,496 WARN L207 SmtUtils]: Spent 5.23 s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-06 23:06:06,498 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-06 23:06:06,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2277 [2021-11-06 23:06:06,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:06,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-06 23:06:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:07,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 23:06:09,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:09,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:09,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:09,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:09,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:09,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:09,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:09,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:09,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:09,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:09,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:09,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:09,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:09,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:09,254 INFO L244 Elim1Store]: Index analysis took 181 ms [2021-11-06 23:06:09,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 936 treesize of output 430 [2021-11-06 23:06:10,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:10,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:10,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:10,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:10,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:10,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:53,566 WARN L207 SmtUtils]: Spent 9.72 m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-06 23:15:53,568 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-06 23:15:53,570 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 1325504 treesize of output 556695 [2021-11-06 23:15:57,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,516 INFO L244 Elim1Store]: Index analysis took 398 ms [2021-11-06 23:15:57,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:57,952 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:15:57,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 1421 treesize of output 647 [2021-11-06 23:15:58,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,468 INFO L244 Elim1Store]: Index analysis took 312 ms [2021-11-06 23:15:58,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,738 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:15:58,739 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 882 treesize of output 412 [2021-11-06 23:15:58,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:58,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,214 INFO L244 Elim1Store]: Index analysis took 336 ms [2021-11-06 23:15:59,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,516 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:15:59,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 678 treesize of output 316 [2021-11-06 23:15:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:15:59,947 INFO L244 Elim1Store]: Index analysis took 299 ms [2021-11-06 23:15:59,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:16:00,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:16:00,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:16:00,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:16:00,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:16:00,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:16:00,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:16:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:16:00,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:16:00,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:16:00,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:16:00,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:16:00,324 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:16:00,324 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