./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 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_SAX_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 e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-06 02:04:49,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 02:04:49,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 02:04:50,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 02:04:50,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 02:04:50,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 02:04:50,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 02:04:50,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 02:04:50,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 02:04:50,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 02:04:50,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 02:04:50,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 02:04:50,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 02:04:50,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 02:04:50,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 02:04:50,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 02:04:50,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 02:04:50,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 02:04:50,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 02:04:50,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 02:04:50,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 02:04:50,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 02:04:50,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 02:04:50,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 02:04:50,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 02:04:50,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 02:04:50,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 02:04:50,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 02:04:50,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 02:04:50,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 02:04:50,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 02:04:50,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 02:04:50,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 02:04:50,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 02:04:50,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 02:04:50,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 02:04:50,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 02:04:50,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 02:04:50,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 02:04:50,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 02:04:50,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 02:04:50,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 02:04:50,129 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 02:04:50,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 02:04:50,132 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 02:04:50,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 02:04:50,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 02:04:50,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 02:04:50,134 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 02:04:50,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 02:04:50,134 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 02:04:50,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 02:04:50,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 02:04:50,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 02:04:50,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 02:04:50,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 02:04:50,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 02:04:50,136 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 02:04:50,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 02:04:50,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 02:04:50,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 02:04:50,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 02:04:50,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 02:04:50,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 02:04:50,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 02:04:50,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 02:04:50,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 02:04:50,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 02:04:50,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 02:04:50,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 02:04:50,139 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 02:04:50,139 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 02:04:50,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 02:04:50,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 02:04:50,140 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2cb3c9a8570b7ee66b623ed5fd2a1832f018e766f6bb5120cee7430951770d6 [2021-11-06 02:04:50,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 02:04:50,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 02:04:50,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 02:04:50,522 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 02:04:50,523 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 02:04:50,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2021-11-06 02:04:50,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87750eba6/18a70e0480854e86bc26a8d6da68de01/FLAG403f3b889 [2021-11-06 02:04:51,241 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 02:04:51,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-1.i [2021-11-06 02:04:51,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87750eba6/18a70e0480854e86bc26a8d6da68de01/FLAG403f3b889 [2021-11-06 02:04:51,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87750eba6/18a70e0480854e86bc26a8d6da68de01 [2021-11-06 02:04:51,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 02:04:51,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 02:04:51,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 02:04:51,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 02:04:51,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 02:04:51,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:04:51" (1/1) ... [2021-11-06 02:04:51,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f83eea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:51, skipping insertion in model container [2021-11-06 02:04:51,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:04:51" (1/1) ... [2021-11-06 02:04:51,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 02:04:51,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 02:04:52,027 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_SAX_test9-1.i[33021,33034] [2021-11-06 02:04:52,249 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_SAX_test9-1.i[84583,84596] [2021-11-06 02:04:52,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 02:04:52,261 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 02:04:52,299 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_SAX_test9-1.i[33021,33034] [2021-11-06 02:04:52,391 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_SAX_test9-1.i[84583,84596] [2021-11-06 02:04:52,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 02:04:52,439 INFO L208 MainTranslator]: Completed translation [2021-11-06 02:04:52,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:52 WrapperNode [2021-11-06 02:04:52,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 02:04:52,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 02:04:52,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 02:04:52,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 02:04:52,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:52" (1/1) ... [2021-11-06 02:04:52,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:52" (1/1) ... [2021-11-06 02:04:52,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 02:04:52,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 02:04:52,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 02:04:52,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 02:04:52,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:52" (1/1) ... [2021-11-06 02:04:52,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:52" (1/1) ... [2021-11-06 02:04:52,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:52" (1/1) ... [2021-11-06 02:04:52,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:52" (1/1) ... [2021-11-06 02:04:52,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:52" (1/1) ... [2021-11-06 02:04:52,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:52" (1/1) ... [2021-11-06 02:04:52,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:52" (1/1) ... [2021-11-06 02:04:52,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 02:04:52,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 02:04:52,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 02:04:52,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 02:04:52,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:52" (1/1) ... [2021-11-06 02:04:52,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 02:04:52,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:04:52,965 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 02:04:52,976 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 02:04:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 02:04:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 02:04:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 02:04:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 02:04:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 02:04:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 02:04:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 02:04:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 02:04:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 02:04:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 02:04:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 02:04:55,657 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 02:04:55,658 INFO L299 CfgBuilder]: Removed 1066 assume(true) statements. [2021-11-06 02:04:55,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:04:55 BoogieIcfgContainer [2021-11-06 02:04:55,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 02:04:55,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 02:04:55,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 02:04:55,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 02:04:55,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:04:51" (1/3) ... [2021-11-06 02:04:55,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6486e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:04:55, skipping insertion in model container [2021-11-06 02:04:55,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:52" (2/3) ... [2021-11-06 02:04:55,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6486e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:04:55, skipping insertion in model container [2021-11-06 02:04:55,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:04:55" (3/3) ... [2021-11-06 02:04:55,673 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-1.i [2021-11-06 02:04:55,677 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 02:04:55,678 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-06 02:04:55,740 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 02:04:55,746 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 02:04:55,747 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-06 02:04:55,814 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 02:04:55,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 02:04:55,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:04:55,821 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:04:55,821 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 02:04:55,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:04:55,826 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-06 02:04:55,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:04:55,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712305390] [2021-11-06 02:04:55,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:04:55,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:04:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:04:55,953 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 02:04:55,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:04:55,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712305390] [2021-11-06 02:04:55,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712305390] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:04:55,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:04:55,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 02:04:55,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463748418] [2021-11-06 02:04:55,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:04:55,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 02:04:55,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:04:55,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 02:04:55,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 02:04:55,986 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 02:04:56,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:04:56,075 INFO L93 Difference]: Finished difference Result 4312 states and 6524 transitions. [2021-11-06 02:04:56,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 02:04:56,077 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 02:04:56,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:04:56,097 INFO L225 Difference]: With dead ends: 4312 [2021-11-06 02:04:56,097 INFO L226 Difference]: Without dead ends: 2153 [2021-11-06 02:04:56,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 02:04:56,108 INFO L933 BasicCegarLoop]: 2704 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2704 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.70ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-06 02:04:56,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2704 Invalid, 0 Unknown, 0 Unchecked, 9.70ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-06 02:04:56,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-06 02:04:56,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-06 02:04:56,204 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 02:04:56,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-06 02:04:56,213 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-06 02:04:56,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:04:56,214 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-06 02:04:56,214 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 02:04:56,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-06 02:04:56,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 02:04:56,216 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:04:56,216 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:04:56,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 02:04:56,217 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 02:04:56,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:04:56,219 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-06 02:04:56,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:04:56,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404207106] [2021-11-06 02:04:56,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:04:56,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:04:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:04:56,335 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 02:04:56,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:04:56,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404207106] [2021-11-06 02:04:56,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404207106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:04:56,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:04:56,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 02:04:56,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280549542] [2021-11-06 02:04:56,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:04:56,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 02:04:56,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:04:56,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 02:04:56,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 02:04:56,342 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 02:04:56,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:04:56,803 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-06 02:04:56,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 02:04:56,804 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 02:04:56,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:04:56,819 INFO L225 Difference]: With dead ends: 6317 [2021-11-06 02:04:56,819 INFO L226 Difference]: Without dead ends: 4254 [2021-11-06 02:04:56,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.29ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 02:04:56,824 INFO L933 BasicCegarLoop]: 2664 mSDtfsCounter, 2628 mSDsluCounter, 5295 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 275.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2628 SdHoareTripleChecker+Valid, 7959 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.24ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 319.66ms IncrementalHoareTripleChecker+Time [2021-11-06 02:04:56,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2628 Valid, 7959 Invalid, 142 Unknown, 0 Unchecked, 20.24ms Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 319.66ms Time] [2021-11-06 02:04:56,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-06 02:04:56,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-06 02:04:56,878 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 02:04:56,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-06 02:04:56,884 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-06 02:04:56,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:04:56,885 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-06 02:04:56,885 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 02:04:56,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-06 02:04:56,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:04:56,888 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:04:56,888 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:04:56,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 02:04:56,889 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 02:04:56,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:04:56,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-06 02:04:56,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:04:56,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641739300] [2021-11-06 02:04:56,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:04:56,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:04:56,909 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:04:56,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1327552876] [2021-11-06 02:04:56,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:04:56,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:04:56,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:04:56,912 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 02:04:56,925 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 02:04:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:04:57,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 02:04:57,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:04:57,298 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 02:04:57,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:04:57,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:04:57,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641739300] [2021-11-06 02:04:57,299 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:04:57,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327552876] [2021-11-06 02:04:57,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327552876] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:04:57,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:04:57,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 02:04:57,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62090226] [2021-11-06 02:04:57,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:04:57,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 02:04:57,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:04:57,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 02:04:57,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:04:57,305 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 02:04:57,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:04:57,393 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-06 02:04:57,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 02:04:57,394 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 02:04:57,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:04:57,401 INFO L225 Difference]: With dead ends: 4327 [2021-11-06 02:04:57,401 INFO L226 Difference]: Without dead ends: 2176 [2021-11-06 02:04:57,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:04:57,410 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 9 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5345 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.90ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.96ms IncrementalHoareTripleChecker+Time [2021-11-06 02:04:57,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5345 Invalid, 72 Unknown, 0 Unchecked, 5.90ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 50.96ms Time] [2021-11-06 02:04:57,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-06 02:04:57,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-06 02:04:57,478 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 02:04:57,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-06 02:04:57,484 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-06 02:04:57,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:04:57,485 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-06 02:04:57,485 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 02:04:57,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-06 02:04:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:04:57,491 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:04:57,491 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:04:57,519 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 02:04:57,716 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 02:04:57,717 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 02:04:57,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:04:57,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-06 02:04:57,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:04:57,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215183886] [2021-11-06 02:04:57,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:04:57,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:04:57,741 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:04:57,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1107265568] [2021-11-06 02:04:57,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:04:57,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:04:57,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:04:57,744 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 02:04:57,773 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 02:04:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:04:57,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 02:04:57,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:04:58,112 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 02:04:58,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:04:58,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:04:58,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215183886] [2021-11-06 02:04:58,117 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:04:58,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107265568] [2021-11-06 02:04:58,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107265568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:04:58,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:04:58,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 02:04:58,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232184186] [2021-11-06 02:04:58,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:04:58,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 02:04:58,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:04:58,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 02:04:58,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:04:58,124 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 02:04:58,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:04:58,209 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-06 02:04:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 02:04:58,210 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 02:04:58,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:04:58,217 INFO L225 Difference]: With dead ends: 4258 [2021-11-06 02:04:58,218 INFO L226 Difference]: Without dead ends: 2196 [2021-11-06 02:04:58,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.83ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:04:58,222 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 9 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5345 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.28ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.06ms IncrementalHoareTripleChecker+Time [2021-11-06 02:04:58,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5345 Invalid, 72 Unknown, 0 Unchecked, 5.28ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 49.06ms Time] [2021-11-06 02:04:58,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-06 02:04:58,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-06 02:04:58,256 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 02:04:58,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-06 02:04:58,262 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-06 02:04:58,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:04:58,262 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-06 02:04:58,263 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 02:04:58,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-06 02:04:58,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:04:58,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:04:58,264 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:04:58,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 02:04:58,491 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 02:04:58,492 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 02:04:58,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:04:58,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-06 02:04:58,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:04:58,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992701104] [2021-11-06 02:04:58,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:04:58,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:04:58,515 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:04:58,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [981851218] [2021-11-06 02:04:58,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:04:58,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:04:58,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:04:58,517 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 02:04:58,518 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 02:04:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:04:58,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 02:04:58,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:04:58,861 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 02:04:58,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:04:58,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:04:58,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992701104] [2021-11-06 02:04:58,866 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:04:58,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981851218] [2021-11-06 02:04:58,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981851218] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:04:58,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:04:58,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 02:04:58,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490102685] [2021-11-06 02:04:58,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:04:58,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 02:04:58,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:04:58,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 02:04:58,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 02:04:58,871 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 02:04:58,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:04:58,974 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-06 02:04:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 02:04:58,975 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 02:04:58,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:04:58,982 INFO L225 Difference]: With dead ends: 4378 [2021-11-06 02:04:58,982 INFO L226 Difference]: Without dead ends: 2187 [2021-11-06 02:04:58,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.61ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 02:04:58,986 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 2688 mSDsluCounter, 2676 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 5356 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.72ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.25ms IncrementalHoareTripleChecker+Time [2021-11-06 02:04:58,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2688 Valid, 5356 Invalid, 66 Unknown, 0 Unchecked, 8.72ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 46.25ms Time] [2021-11-06 02:04:58,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-06 02:04:59,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-06 02:04:59,026 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 02:04:59,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-06 02:04:59,032 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-06 02:04:59,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:04:59,032 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-06 02:04:59,033 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 02:04:59,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-06 02:04:59,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:04:59,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:04:59,039 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:04:59,063 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 02:04:59,263 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 02:04:59,263 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 02:04:59,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:04:59,264 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-06 02:04:59,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:04:59,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078429996] [2021-11-06 02:04:59,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:04:59,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:04:59,289 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:04:59,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [590189155] [2021-11-06 02:04:59,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:04:59,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:04:59,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:04:59,299 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 02:04:59,307 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 02:04:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:04:59,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 02:04:59,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:04:59,592 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 02:04:59,592 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:04:59,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:04:59,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078429996] [2021-11-06 02:04:59,593 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:04:59,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590189155] [2021-11-06 02:04:59,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590189155] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:04:59,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:04:59,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 02:04:59,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878939705] [2021-11-06 02:04:59,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:04:59,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 02:04:59,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:04:59,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 02:04:59,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 02:04:59,595 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 02:04:59,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:04:59,708 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-06 02:04:59,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 02:04:59,709 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 02:04:59,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:04:59,717 INFO L225 Difference]: With dead ends: 4255 [2021-11-06 02:04:59,717 INFO L226 Difference]: Without dead ends: 2173 [2021-11-06 02:04:59,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.98ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 02:04:59,722 INFO L933 BasicCegarLoop]: 2671 mSDtfsCounter, 2571 mSDsluCounter, 2775 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 5446 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.78ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.09ms IncrementalHoareTripleChecker+Time [2021-11-06 02:04:59,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2571 Valid, 5446 Invalid, 66 Unknown, 0 Unchecked, 7.78ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 64.09ms Time] [2021-11-06 02:04:59,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-06 02:04:59,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-06 02:04:59,760 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 02:04:59,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-06 02:04:59,765 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-06 02:04:59,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:04:59,767 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-06 02:04:59,767 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 02:04:59,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-06 02:04:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:04:59,768 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:04:59,768 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:04:59,794 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 02:04:59,993 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 02:04:59,994 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 02:04:59,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:04:59,994 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-06 02:04:59,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:04:59,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392802874] [2021-11-06 02:04:59,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:04:59,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:05:00,006 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:05:00,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1758838350] [2021-11-06 02:05:00,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:05:00,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:05:00,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:05:00,008 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 02:05:00,016 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 02:05:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:05:00,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 02:05:00,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:05:00,411 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 02:05:00,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:05:00,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:05:00,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392802874] [2021-11-06 02:05:00,412 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:05:00,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758838350] [2021-11-06 02:05:00,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758838350] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:05:00,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:05:00,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 02:05:00,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689814859] [2021-11-06 02:05:00,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:05:00,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 02:05:00,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:05:00,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 02:05:00,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:05:00,417 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 02:05:00,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:05:00,517 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-06 02:05:00,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 02:05:00,518 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 02:05:00,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:05:00,531 INFO L225 Difference]: With dead ends: 6426 [2021-11-06 02:05:00,532 INFO L226 Difference]: Without dead ends: 4263 [2021-11-06 02:05:00,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.05ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:05:00,537 INFO L933 BasicCegarLoop]: 2727 mSDtfsCounter, 2569 mSDsluCounter, 2664 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 5391 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.11ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.02ms IncrementalHoareTripleChecker+Time [2021-11-06 02:05:00,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2569 Valid, 5391 Invalid, 14 Unknown, 0 Unchecked, 9.11ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 35.02ms Time] [2021-11-06 02:05:00,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-06 02:05:00,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-06 02:05:00,608 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 02:05:00,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-06 02:05:00,619 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-06 02:05:00,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:05:00,619 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-06 02:05:00,619 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 02:05:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-06 02:05:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 02:05:00,620 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:05:00,621 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:05:00,646 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 02:05:00,839 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 02:05:00,840 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 02:05:00,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:05:00,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-06 02:05:00,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:05:00,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297219721] [2021-11-06 02:05:00,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:05:00,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:05:00,853 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:05:00,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [446195637] [2021-11-06 02:05:00,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:05:00,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:05:00,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:05:00,855 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 02:05:00,856 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 02:05:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:05:00,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 02:05:00,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:05:01,200 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 02:05:01,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:05:01,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:05:01,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297219721] [2021-11-06 02:05:01,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:05:01,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446195637] [2021-11-06 02:05:01,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446195637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:05:01,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:05:01,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 02:05:01,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328291418] [2021-11-06 02:05:01,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:05:01,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 02:05:01,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:05:01,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 02:05:01,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 02:05:01,204 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 02:05:01,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:05:01,403 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-06 02:05:01,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 02:05:01,404 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 02:05:01,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:05:01,411 INFO L225 Difference]: With dead ends: 5424 [2021-11-06 02:05:01,412 INFO L226 Difference]: Without dead ends: 2211 [2021-11-06 02:05:01,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.66ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 02:05:01,417 INFO L933 BasicCegarLoop]: 2692 mSDtfsCounter, 5260 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5260 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.38ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 140.49ms IncrementalHoareTripleChecker+Time [2021-11-06 02:05:01,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5260 Valid, 2741 Invalid, 49 Unknown, 0 Unchecked, 9.38ms Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 140.49ms Time] [2021-11-06 02:05:01,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-06 02:05:01,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-06 02:05:01,451 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 02:05:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-06 02:05:01,456 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-06 02:05:01,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:05:01,457 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-06 02:05:01,457 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 02:05:01,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-06 02:05:01,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 02:05:01,458 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:05:01,458 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:05:01,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-06 02:05:01,683 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 02:05:01,683 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 02:05:01,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:05:01,684 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-06 02:05:01,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:05:01,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716043336] [2021-11-06 02:05:01,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:05:01,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:05:01,695 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:05:01,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [341278777] [2021-11-06 02:05:01,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:05:01,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:05:01,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:05:01,697 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 02:05:01,698 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 02:05:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:05:01,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 02:05:01,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:05:01,901 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 02:05:01,907 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 02:05:01,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:01,938 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 02:05:01,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:02,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:02,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:02,004 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 02:05:02,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:02,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:02,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:02,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:02,925 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 02:05:02,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:02,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:02,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:02,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:02,936 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 02:05:03,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 02:05:03,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,037 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 02:05:03,087 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 02:05:03,094 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 02:05:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,108 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 02:05:03,108 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 02:05:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:03,132 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 02:05:04,229 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 02:05:04,230 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 02:05:04,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:05,547 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 02:05:05,548 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 02:05:05,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:05,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:05,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:05,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:05,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:10,971 WARN L230 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-06 02:05:10,972 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-06 02:05:10,973 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 02:05:11,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:11,486 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 02:05:11,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:11,615 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 02:05:13,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:05:13,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:13,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:13,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:05:13,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:13,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:05:13,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:14,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:14,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:14,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:14,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:14,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:14,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:14,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:14,128 INFO L244 Elim1Store]: Index analysis took 254 ms [2021-11-06 02:05:14,130 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 02:05:15,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:05:15,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:15,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:15,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:05:15,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:05:15,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:39,435 WARN L230 SmtUtils]: Spent 9.40m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-06 02:14:39,437 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-06 02:14:39,439 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 02:14:43,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:43,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:43,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:43,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:43,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,010 INFO L244 Elim1Store]: Index analysis took 369 ms [2021-11-06 02:14:44,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,435 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 02:14:44,436 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 02:14:44,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:44,985 INFO L244 Elim1Store]: Index analysis took 291 ms [2021-11-06 02:14:45,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,284 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 02:14:45,284 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 02:14:45,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,713 INFO L244 Elim1Store]: Index analysis took 304 ms [2021-11-06 02:14:45,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:45,999 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 02:14:46,000 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 02:14:46,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,360 INFO L244 Elim1Store]: Index analysis took 256 ms [2021-11-06 02:14:46,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:14:46,715 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 02:14:46,715 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