./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_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_JEN_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 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 23:28:47,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 23:28:47,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 23:28:47,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 23:28:47,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 23:28:47,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 23:28:47,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 23:28:47,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 23:28:47,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 23:28:47,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 23:28:47,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 23:28:47,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 23:28:47,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 23:28:47,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 23:28:47,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 23:28:47,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 23:28:47,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 23:28:47,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 23:28:47,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 23:28:47,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 23:28:47,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 23:28:47,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 23:28:47,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 23:28:47,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 23:28:47,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 23:28:47,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 23:28:47,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 23:28:47,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 23:28:47,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 23:28:47,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 23:28:47,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 23:28:47,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 23:28:47,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 23:28:47,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 23:28:47,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 23:28:47,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 23:28:47,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 23:28:47,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 23:28:47,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 23:28:47,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 23:28:47,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 23:28:47,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 23:28:47,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 23:28:47,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 23:28:47,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 23:28:47,474 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 23:28:47,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 23:28:47,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 23:28:47,475 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 23:28:47,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 23:28:47,475 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 23:28:47,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 23:28:47,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 23:28:47,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 23:28:47,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 23:28:47,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 23:28:47,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 23:28:47,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 23:28:47,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 23:28:47,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 23:28:47,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 23:28:47,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 23:28:47,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 23:28:47,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 23:28:47,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:28:47,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 23:28:47,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 23:28:47,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 23:28:47,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 23:28:47,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 23:28:47,480 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 23:28:47,480 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 23:28:47,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 23:28:47,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 23:28:47,481 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 [2021-11-06 23:28:47,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 23:28:47,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 23:28:47,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 23:28:47,729 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 23:28:47,729 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 23:28:47,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2021-11-06 23:28:47,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01487aa38/88ad3f9199cc498da11e2ec68ffb65e0/FLAGa80c70201 [2021-11-06 23:28:48,279 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 23:28:48,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2021-11-06 23:28:48,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01487aa38/88ad3f9199cc498da11e2ec68ffb65e0/FLAGa80c70201 [2021-11-06 23:28:48,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01487aa38/88ad3f9199cc498da11e2ec68ffb65e0 [2021-11-06 23:28:48,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 23:28:48,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 23:28:48,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 23:28:48,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 23:28:48,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 23:28:48,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:28:48" (1/1) ... [2021-11-06 23:28:48,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7322b656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:48, skipping insertion in model container [2021-11-06 23:28:48,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:28:48" (1/1) ... [2021-11-06 23:28:48,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 23:28:48,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 23:28:49,153 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[33021,33034] [2021-11-06 23:28:49,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[84583,84596] [2021-11-06 23:28:49,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:28:49,390 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 23:28:49,421 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[33021,33034] [2021-11-06 23:28:49,551 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i[84583,84596] [2021-11-06 23:28:49,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:28:49,584 INFO L208 MainTranslator]: Completed translation [2021-11-06 23:28:49,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:49 WrapperNode [2021-11-06 23:28:49,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 23:28:49,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 23:28:49,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 23:28:49,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 23:28:49,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:49" (1/1) ... [2021-11-06 23:28:49,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:49" (1/1) ... [2021-11-06 23:28:49,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 23:28:49,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 23:28:49,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 23:28:49,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 23:28:49,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:49" (1/1) ... [2021-11-06 23:28:49,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:49" (1/1) ... [2021-11-06 23:28:49,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:49" (1/1) ... [2021-11-06 23:28:49,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:49" (1/1) ... [2021-11-06 23:28:49,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:49" (1/1) ... [2021-11-06 23:28:49,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:49" (1/1) ... [2021-11-06 23:28:49,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:49" (1/1) ... [2021-11-06 23:28:49,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 23:28:49,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 23:28:49,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 23:28:49,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 23:28:49,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:49" (1/1) ... [2021-11-06 23:28:49,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:28:49,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:49,937 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 23:28:49,945 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 23:28:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 23:28:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 23:28:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 23:28:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 23:28:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 23:28:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 23:28:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 23:28:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 23:28:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 23:28:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 23:28:49,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 23:28:52,211 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 23:28:52,212 INFO L299 CfgBuilder]: Removed 1066 assume(true) statements. [2021-11-06 23:28:52,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:28:52 BoogieIcfgContainer [2021-11-06 23:28:52,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 23:28:52,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 23:28:52,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 23:28:52,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 23:28:52,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:28:48" (1/3) ... [2021-11-06 23:28:52,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6094ef4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:28:52, skipping insertion in model container [2021-11-06 23:28:52,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:49" (2/3) ... [2021-11-06 23:28:52,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6094ef4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:28:52, skipping insertion in model container [2021-11-06 23:28:52,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:28:52" (3/3) ... [2021-11-06 23:28:52,224 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test9-1.i [2021-11-06 23:28:52,229 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 23:28:52,229 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-06 23:28:52,266 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 23:28:52,271 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 23:28:52,271 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-06 23:28:52,299 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 23:28:52,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 23:28:52,303 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:52,303 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:28:52,304 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 23:28:52,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:52,307 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-06 23:28:52,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:52,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990632357] [2021-11-06 23:28:52,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:52,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:52,424 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 23:28:52,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:52,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990632357] [2021-11-06 23:28:52,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990632357] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:52,425 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:52,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 23:28:52,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160227235] [2021-11-06 23:28:52,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 23:28:52,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:52,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 23:28:52,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:28:52,442 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 23:28:52,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:52,497 INFO L93 Difference]: Finished difference Result 4312 states and 6524 transitions. [2021-11-06 23:28:52,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 23:28:52,498 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 23:28:52,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:52,517 INFO L225 Difference]: With dead ends: 4312 [2021-11-06 23:28:52,518 INFO L226 Difference]: Without dead ends: 2153 [2021-11-06 23:28:52,525 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 23:28:52,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-06 23:28:52,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-06 23:28:52,597 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 23:28:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-06 23:28:52,602 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-06 23:28:52,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:52,602 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-06 23:28:52,603 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 23:28:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-06 23:28:52,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 23:28:52,604 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:52,604 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 23:28:52,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 23:28:52,605 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 23:28:52,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:52,605 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-06 23:28:52,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:52,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159984772] [2021-11-06 23:28:52,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:52,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:52,651 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 23:28:52,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:52,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159984772] [2021-11-06 23:28:52,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159984772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:52,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:52,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:28:52,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376705042] [2021-11-06 23:28:52,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:28:52,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:52,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:28:52,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:28:52,655 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 23:28:52,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:52,966 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-06 23:28:52,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:28:52,967 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 23:28:52,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:52,980 INFO L225 Difference]: With dead ends: 6317 [2021-11-06 23:28:52,981 INFO L226 Difference]: Without dead ends: 4254 [2021-11-06 23:28:52,985 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 23:28:52,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-06 23:28:53,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-06 23:28:53,036 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 23:28:53,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-06 23:28:53,042 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-06 23:28:53,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:53,042 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-06 23:28:53,042 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 23:28:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-06 23:28:53,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:28:53,044 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:53,045 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 23:28:53,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 23:28:53,045 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 23:28:53,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:53,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-06 23:28:53,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:53,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981770283] [2021-11-06 23:28:53,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:53,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:53,063 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:28:53,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [152682218] [2021-11-06 23:28:53,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:53,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:53,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:53,065 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 23:28:53,073 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 23:28:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:53,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:28:53,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:28:53,461 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 23:28:53,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:53,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981770283] [2021-11-06 23:28:53,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:28:53,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152682218] [2021-11-06 23:28:53,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152682218] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:53,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:53,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:28:53,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598022377] [2021-11-06 23:28:53,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:28:53,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:53,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:28:53,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:28:53,465 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 23:28:53,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:53,533 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-06 23:28:53,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:28:53,533 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 23:28:53,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:53,539 INFO L225 Difference]: With dead ends: 4327 [2021-11-06 23:28:53,539 INFO L226 Difference]: Without dead ends: 2176 [2021-11-06 23:28:53,541 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 23:28:53,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-06 23:28:53,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-06 23:28:53,605 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 23:28:53,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-06 23:28:53,609 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-06 23:28:53,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:53,609 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-06 23:28:53,610 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 23:28:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-06 23:28:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:28:53,611 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:53,611 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 23:28:53,632 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 23:28:53,829 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 23:28:53,829 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 23:28:53,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:53,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-06 23:28:53,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:53,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936860716] [2021-11-06 23:28:53,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:53,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:53,844 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:28:53,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [433008221] [2021-11-06 23:28:53,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:53,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:53,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:53,850 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 23:28:53,851 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 23:28:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:53,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:28:53,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:28:54,139 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 23:28:54,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:54,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936860716] [2021-11-06 23:28:54,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:28:54,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433008221] [2021-11-06 23:28:54,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433008221] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:54,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:54,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:28:54,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303390197] [2021-11-06 23:28:54,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:28:54,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:54,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:28:54,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:28:54,142 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 23:28:54,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:54,210 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-06 23:28:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:28:54,211 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 23:28:54,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:54,217 INFO L225 Difference]: With dead ends: 4258 [2021-11-06 23:28:54,217 INFO L226 Difference]: Without dead ends: 2196 [2021-11-06 23:28:54,220 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 23:28:54,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-06 23:28:54,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-06 23:28:54,252 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 23:28:54,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-06 23:28:54,257 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-06 23:28:54,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:54,258 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-06 23:28:54,259 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 23:28:54,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-06 23:28:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:28:54,261 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:54,261 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 23:28:54,281 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 23:28:54,475 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 23:28:54,476 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 23:28:54,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:54,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-06 23:28:54,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:54,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195497469] [2021-11-06 23:28:54,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:54,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:54,488 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:28:54,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1425963164] [2021-11-06 23:28:54,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:54,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:54,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:54,507 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 23:28:54,508 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 23:28:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:54,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:28:54,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:28:54,857 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 23:28:54,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:54,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195497469] [2021-11-06 23:28:54,857 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:28:54,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425963164] [2021-11-06 23:28:54,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425963164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:54,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:54,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:28:54,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329727555] [2021-11-06 23:28:54,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:28:54,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:54,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:28:54,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:28:54,859 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 23:28:54,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:54,943 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-06 23:28:54,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:28:54,947 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 23:28:54,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:54,954 INFO L225 Difference]: With dead ends: 4378 [2021-11-06 23:28:54,954 INFO L226 Difference]: Without dead ends: 2187 [2021-11-06 23:28:54,957 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 23:28:54,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-06 23:28:54,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-06 23:28:54,987 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 23:28:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-06 23:28:54,990 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-06 23:28:54,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:54,991 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-06 23:28:54,991 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 23:28:54,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-06 23:28:54,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:28:54,993 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:54,994 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 23:28:55,015 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 23:28:55,207 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 23:28:55,208 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 23:28:55,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:55,208 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-06 23:28:55,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:55,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994111814] [2021-11-06 23:28:55,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:55,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:55,231 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:28:55,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1796674606] [2021-11-06 23:28:55,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:55,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:55,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:55,235 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 23:28:55,237 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 23:28:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:55,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:28:55,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:28:55,585 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 23:28:55,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:55,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994111814] [2021-11-06 23:28:55,586 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:28:55,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796674606] [2021-11-06 23:28:55,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796674606] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:55,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:55,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:28:55,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958291835] [2021-11-06 23:28:55,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:28:55,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:55,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:28:55,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:28:55,589 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 23:28:55,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:55,663 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-06 23:28:55,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:28:55,663 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 23:28:55,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:55,669 INFO L225 Difference]: With dead ends: 4255 [2021-11-06 23:28:55,669 INFO L226 Difference]: Without dead ends: 2173 [2021-11-06 23:28:55,672 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 23:28:55,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-06 23:28:55,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-06 23:28:55,698 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 23:28:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-06 23:28:55,702 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-06 23:28:55,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:55,702 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-06 23:28:55,703 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 23:28:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-06 23:28:55,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:28:55,703 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:55,703 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 23:28:55,725 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 23:28:55,922 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 23:28:55,923 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 23:28:55,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:55,924 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-06 23:28:55,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:55,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805189269] [2021-11-06 23:28:55,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:55,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:55,935 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:28:55,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1068374996] [2021-11-06 23:28:55,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:55,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:55,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:55,938 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 23:28:55,939 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 23:28:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:56,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:28:56,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:28:56,407 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 23:28:56,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:56,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805189269] [2021-11-06 23:28:56,408 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:28:56,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068374996] [2021-11-06 23:28:56,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068374996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:56,409 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:56,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:28:56,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880738467] [2021-11-06 23:28:56,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:28:56,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:56,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:28:56,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:28:56,411 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 23:28:56,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:56,483 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-06 23:28:56,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:28:56,483 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 23:28:56,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:56,494 INFO L225 Difference]: With dead ends: 6426 [2021-11-06 23:28:56,494 INFO L226 Difference]: Without dead ends: 4263 [2021-11-06 23:28:56,498 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 23:28:56,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-06 23:28:56,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-06 23:28:56,554 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 23:28:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-06 23:28:56,562 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-06 23:28:56,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:56,562 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-06 23:28:56,562 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 23:28:56,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-06 23:28:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 23:28:56,563 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:56,564 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 23:28:56,584 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 23:28:56,782 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 23:28:56,782 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 23:28:56,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:56,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-06 23:28:56,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:56,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296077606] [2021-11-06 23:28:56,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:56,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:56,805 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:28:56,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859586055] [2021-11-06 23:28:56,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:56,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:56,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:56,807 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 23:28:56,808 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 23:28:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:57,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:28:57,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:28:57,225 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 23:28:57,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:57,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296077606] [2021-11-06 23:28:57,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:28:57,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859586055] [2021-11-06 23:28:57,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859586055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:57,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:57,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:28:57,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246460791] [2021-11-06 23:28:57,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:28:57,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:57,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:28:57,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:28:57,227 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 23:28:57,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:57,384 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-06 23:28:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:28:57,385 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 23:28:57,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:57,391 INFO L225 Difference]: With dead ends: 5424 [2021-11-06 23:28:57,391 INFO L226 Difference]: Without dead ends: 2211 [2021-11-06 23:28:57,394 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 23:28:57,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-06 23:28:57,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-06 23:28:57,419 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 23:28:57,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-06 23:28:57,425 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-06 23:28:57,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:57,426 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-06 23:28:57,426 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 23:28:57,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-06 23:28:57,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 23:28:57,427 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:57,427 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 23:28:57,445 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 23:28:57,640 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 23:28:57,640 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 23:28:57,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:57,641 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-06 23:28:57,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:57,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834292657] [2021-11-06 23:28:57,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:57,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:57,651 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:28:57,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2107938155] [2021-11-06 23:28:57,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:57,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:57,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:57,653 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 23:28:57,655 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 23:28:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:57,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 23:28:57,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:28:57,961 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 23:28:57,967 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 23:28:57,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:57,996 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 23:28:58,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,053 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 23:28:58,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,901 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 23:28:58,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,909 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 23:28:58,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,971 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 23:28:58,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:58,988 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 23:28:59,031 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 23:28:59,036 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 23:28:59,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:59,048 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 23:28:59,049 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 23:28:59,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:59,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:59,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:59,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:59,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:59,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:59,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:59,066 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 23:29:00,127 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 23:29:00,127 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 23:29:00,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:01,341 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 23:29:01,342 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 23:29:01,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:01,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:01,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:01,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:01,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:01,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:01,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:06,693 WARN L207 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-06 23:29:06,694 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-06 23:29:06,695 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 23:29:07,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:07,117 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 23:29:07,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:07,220 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 23:29:09,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:09,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:09,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:09,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:09,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:09,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:09,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:09,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:09,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:09,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:09,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:09,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:09,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:09,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:09,425 INFO L244 Elim1Store]: Index analysis took 190 ms [2021-11-06 23:29:09,427 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 23:29:10,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:10,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:10,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:10,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:10,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:10,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:39,967 WARN L207 SmtUtils]: Spent 9.49 m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-06 23:38:39,969 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-06 23:38:39,971 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 23:38:43,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:43,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:43,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:43,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:43,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:43,783 INFO L244 Elim1Store]: Index analysis took 363 ms [2021-11-06 23:38:43,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:43,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:43,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:43,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:43,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:43,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,213 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:38:44,213 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 23:38:44,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,690 INFO L244 Elim1Store]: Index analysis took 293 ms [2021-11-06 23:38:44,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:44,941 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:38:44,942 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 23:38:45,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,370 INFO L244 Elim1Store]: Index analysis took 314 ms [2021-11-06 23:38:45,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,661 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:38:45,661 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 23:38:45,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:45,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,041 INFO L244 Elim1Store]: Index analysis took 268 ms [2021-11-06 23:38:46,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:38:46,421 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:38:46,421 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