/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/openssl/s3_srvr.blast.07.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 04:13:18,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 04:13:18,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 04:13:18,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 04:13:18,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 04:13:18,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 04:13:18,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 04:13:18,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 04:13:18,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 04:13:18,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 04:13:18,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 04:13:18,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 04:13:18,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 04:13:18,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 04:13:18,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 04:13:18,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 04:13:18,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 04:13:18,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 04:13:18,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 04:13:18,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 04:13:18,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 04:13:18,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 04:13:18,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 04:13:18,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 04:13:18,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 04:13:18,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 04:13:18,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 04:13:18,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 04:13:18,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 04:13:18,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 04:13:18,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 04:13:18,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 04:13:18,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 04:13:18,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 04:13:18,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 04:13:18,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 04:13:18,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 04:13:18,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 04:13:18,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 04:13:18,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 04:13:18,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 04:13:18,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 04:13:18,450 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 04:13:18,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 04:13:18,451 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 04:13:18,452 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 04:13:18,452 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 04:13:18,452 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 04:13:18,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 04:13:18,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 04:13:18,453 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 04:13:18,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 04:13:18,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 04:13:18,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 04:13:18,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 04:13:18,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 04:13:18,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 04:13:18,455 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 04:13:18,455 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 04:13:18,455 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 04:13:18,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 04:13:18,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 04:13:18,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 04:13:18,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 04:13:18,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 04:13:18,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:13:18,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 04:13:18,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 04:13:18,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 04:13:18,456 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 04:13:18,456 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 04:13:18,457 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 04:13:18,457 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 04:13:18,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 04:13:18,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 04:13:18,457 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 04:13:18,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 04:13:18,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 04:13:18,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 04:13:18,731 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 04:13:18,732 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 04:13:18,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.07.i.cil-2.c [2022-01-10 04:13:18,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc37132bb/758882ca3c8943809a9c5d5be2a2cf70/FLAG341a24450 [2022-01-10 04:13:19,261 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 04:13:19,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.07.i.cil-2.c [2022-01-10 04:13:19,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc37132bb/758882ca3c8943809a9c5d5be2a2cf70/FLAG341a24450 [2022-01-10 04:13:19,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc37132bb/758882ca3c8943809a9c5d5be2a2cf70 [2022-01-10 04:13:19,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 04:13:19,568 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 04:13:19,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 04:13:19,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 04:13:19,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 04:13:19,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:13:19" (1/1) ... [2022-01-10 04:13:19,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@163878f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:19, skipping insertion in model container [2022-01-10 04:13:19,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:13:19" (1/1) ... [2022-01-10 04:13:19,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 04:13:19,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:13:20,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.07.i.cil-2.c[74369,74382] [2022-01-10 04:13:20,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:13:20,039 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 04:13:20,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:13:20,139 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.07.i.cil-2.c[74369,74382] [2022-01-10 04:13:20,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:13:20,146 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 04:13:20,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.07.i.cil-2.c[74369,74382] [2022-01-10 04:13:20,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:13:20,268 INFO L208 MainTranslator]: Completed translation [2022-01-10 04:13:20,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:20 WrapperNode [2022-01-10 04:13:20,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 04:13:20,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 04:13:20,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 04:13:20,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 04:13:20,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:20" (1/1) ... [2022-01-10 04:13:20,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:20" (1/1) ... [2022-01-10 04:13:20,362 INFO L137 Inliner]: procedures = 41, calls = 248, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 785 [2022-01-10 04:13:20,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 04:13:20,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 04:13:20,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 04:13:20,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 04:13:20,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:20" (1/1) ... [2022-01-10 04:13:20,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:20" (1/1) ... [2022-01-10 04:13:20,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:20" (1/1) ... [2022-01-10 04:13:20,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:20" (1/1) ... [2022-01-10 04:13:20,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:20" (1/1) ... [2022-01-10 04:13:20,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:20" (1/1) ... [2022-01-10 04:13:20,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:20" (1/1) ... [2022-01-10 04:13:20,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 04:13:20,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 04:13:20,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 04:13:20,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 04:13:20,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:20" (1/1) ... [2022-01-10 04:13:20,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:13:20,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 04:13:20,481 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) [2022-01-10 04:13:20,495 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 [2022-01-10 04:13:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-01-10 04:13:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 04:13:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 04:13:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-01-10 04:13:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-10 04:13:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-01-10 04:13:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 04:13:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-10 04:13:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 04:13:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 04:13:20,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 04:13:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-01-10 04:13:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 04:13:20,708 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 04:13:20,709 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 04:13:20,722 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:13:34,291 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-01-10 04:13:34,291 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-01-10 04:13:34,291 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 04:13:34,299 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 04:13:34,299 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 04:13:34,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:13:34 BoogieIcfgContainer [2022-01-10 04:13:34,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 04:13:34,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 04:13:34,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 04:13:34,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 04:13:34,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:13:19" (1/3) ... [2022-01-10 04:13:34,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4c5a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:13:34, skipping insertion in model container [2022-01-10 04:13:34,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:20" (2/3) ... [2022-01-10 04:13:34,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4c5a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:13:34, skipping insertion in model container [2022-01-10 04:13:34,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:13:34" (3/3) ... [2022-01-10 04:13:34,316 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.07.i.cil-2.c [2022-01-10 04:13:34,321 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 04:13:34,321 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 04:13:34,374 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 04:13:34,392 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 [2022-01-10 04:13:34,393 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 04:13:34,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 148 states have (on average 1.7162162162162162) internal successors, (254), 149 states have internal predecessors, (254), 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) [2022-01-10 04:13:34,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-10 04:13:34,422 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:13:34,423 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] [2022-01-10 04:13:34,424 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:13:34,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:13:34,428 INFO L85 PathProgramCache]: Analyzing trace with hash -442385418, now seen corresponding path program 1 times [2022-01-10 04:13:34,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:13:34,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45872392] [2022-01-10 04:13:34,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:13:34,444 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:13:34,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:13:34,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:13:34,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 04:13:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:13:35,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:13:35,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:13:35,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:13:35,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:13:35,605 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:13:35,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45872392] [2022-01-10 04:13:35,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [45872392] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:13:35,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:13:35,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:13:35,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109023614] [2022-01-10 04:13:35,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:13:35,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:13:35,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:13:35,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:13:35,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:13:35,635 INFO L87 Difference]: Start difference. First operand has 150 states, 148 states have (on average 1.7162162162162162) internal successors, (254), 149 states have internal predecessors, (254), 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 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-01-10 04:13:35,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:13:35,794 INFO L93 Difference]: Finished difference Result 427 states and 728 transitions. [2022-01-10 04:13:35,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:13:35,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2022-01-10 04:13:35,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:13:35,806 INFO L225 Difference]: With dead ends: 427 [2022-01-10 04:13:35,807 INFO L226 Difference]: Without dead ends: 261 [2022-01-10 04:13:35,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:13:35,813 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 201 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 04:13:35,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 461 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 04:13:35,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-01-10 04:13:35,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2022-01-10 04:13:35,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 260 states have (on average 1.5153846153846153) internal successors, (394), 260 states have internal predecessors, (394), 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) [2022-01-10 04:13:35,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 394 transitions. [2022-01-10 04:13:35,857 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 394 transitions. Word has length 37 [2022-01-10 04:13:35,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:13:35,858 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 394 transitions. [2022-01-10 04:13:35,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-01-10 04:13:35,858 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 394 transitions. [2022-01-10 04:13:35,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-10 04:13:35,860 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:13:35,860 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 04:13:35,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 04:13:36,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:13:36,080 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:13:36,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:13:36,081 INFO L85 PathProgramCache]: Analyzing trace with hash 242366870, now seen corresponding path program 1 times [2022-01-10 04:13:36,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:13:36,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337263448] [2022-01-10 04:13:36,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:13:36,082 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:13:36,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:13:36,083 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:13:36,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 04:13:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:13:37,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:13:37,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:13:37,358 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:13:37,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:13:37,359 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:13:37,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337263448] [2022-01-10 04:13:37,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337263448] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:13:37,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:13:37,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:13:37,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511848181] [2022-01-10 04:13:37,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:13:37,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:13:37,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:13:37,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:13:37,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:13:37,362 INFO L87 Difference]: Start difference. First operand 261 states and 394 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-01-10 04:13:38,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:13:38,114 INFO L93 Difference]: Finished difference Result 510 states and 781 transitions. [2022-01-10 04:13:38,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:13:38,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2022-01-10 04:13:38,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:13:38,117 INFO L225 Difference]: With dead ends: 510 [2022-01-10 04:13:38,117 INFO L226 Difference]: Without dead ends: 383 [2022-01-10 04:13:38,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:13:38,119 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 150 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 04:13:38,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 567 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 04:13:38,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-01-10 04:13:38,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2022-01-10 04:13:38,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.5052356020942408) internal successors, (575), 382 states have internal predecessors, (575), 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) [2022-01-10 04:13:38,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 575 transitions. [2022-01-10 04:13:38,141 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 575 transitions. Word has length 54 [2022-01-10 04:13:38,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:13:38,141 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 575 transitions. [2022-01-10 04:13:38,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-01-10 04:13:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 575 transitions. [2022-01-10 04:13:38,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-01-10 04:13:38,145 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:13:38,145 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-01-10 04:13:38,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 04:13:38,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:13:38,352 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:13:38,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:13:38,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1040793707, now seen corresponding path program 1 times [2022-01-10 04:13:38,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:13:38,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196659030] [2022-01-10 04:13:38,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:13:38,354 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:13:38,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:13:38,355 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:13:38,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 04:13:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:13:39,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:13:39,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:13:39,699 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 04:13:39,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:13:39,700 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:13:39,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196659030] [2022-01-10 04:13:39,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1196659030] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:13:39,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:13:39,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:13:39,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135387838] [2022-01-10 04:13:39,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:13:39,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:13:39,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:13:39,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:13:39,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:13:39,702 INFO L87 Difference]: Start difference. First operand 383 states and 575 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2022-01-10 04:13:40,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:13:40,199 INFO L93 Difference]: Finished difference Result 752 states and 1140 transitions. [2022-01-10 04:13:40,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:13:40,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 76 [2022-01-10 04:13:40,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:13:40,202 INFO L225 Difference]: With dead ends: 752 [2022-01-10 04:13:40,202 INFO L226 Difference]: Without dead ends: 503 [2022-01-10 04:13:40,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:13:40,204 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 146 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 04:13:40,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 569 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 04:13:40,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2022-01-10 04:13:40,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2022-01-10 04:13:40,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 502 states have (on average 1.50398406374502) internal successors, (755), 502 states have internal predecessors, (755), 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) [2022-01-10 04:13:40,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 755 transitions. [2022-01-10 04:13:40,221 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 755 transitions. Word has length 76 [2022-01-10 04:13:40,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:13:40,221 INFO L470 AbstractCegarLoop]: Abstraction has 503 states and 755 transitions. [2022-01-10 04:13:40,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2022-01-10 04:13:40,222 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 755 transitions. [2022-01-10 04:13:40,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-10 04:13:40,226 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:13:40,226 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 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] [2022-01-10 04:13:40,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 04:13:40,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:13:40,444 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:13:40,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:13:40,444 INFO L85 PathProgramCache]: Analyzing trace with hash -792001576, now seen corresponding path program 1 times [2022-01-10 04:13:40,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:13:40,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [461859745] [2022-01-10 04:13:40,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:13:40,446 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:13:40,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:13:40,448 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:13:40,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 04:13:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:13:41,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:13:41,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:13:41,761 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-01-10 04:13:41,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:13:41,762 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:13:41,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [461859745] [2022-01-10 04:13:41,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [461859745] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:13:41,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:13:41,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:13:41,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193685701] [2022-01-10 04:13:41,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:13:41,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:13:41,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:13:41,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:13:41,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:13:41,764 INFO L87 Difference]: Start difference. First operand 503 states and 755 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2022-01-10 04:13:42,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:13:42,354 INFO L93 Difference]: Finished difference Result 996 states and 1506 transitions. [2022-01-10 04:13:42,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:13:42,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 100 [2022-01-10 04:13:42,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:13:42,357 INFO L225 Difference]: With dead ends: 996 [2022-01-10 04:13:42,357 INFO L226 Difference]: Without dead ends: 627 [2022-01-10 04:13:42,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:13:42,359 INFO L933 BasicCegarLoop]: 383 mSDtfsCounter, 152 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 04:13:42,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 572 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 04:13:42,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2022-01-10 04:13:42,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 627. [2022-01-10 04:13:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 626 states have (on average 1.5) internal successors, (939), 626 states have internal predecessors, (939), 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) [2022-01-10 04:13:42,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 939 transitions. [2022-01-10 04:13:42,374 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 939 transitions. Word has length 100 [2022-01-10 04:13:42,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:13:42,374 INFO L470 AbstractCegarLoop]: Abstraction has 627 states and 939 transitions. [2022-01-10 04:13:42,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2022-01-10 04:13:42,375 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 939 transitions. [2022-01-10 04:13:42,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-10 04:13:42,378 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:13:42,378 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-01-10 04:13:42,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 04:13:42,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:13:42,603 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:13:42,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:13:42,604 INFO L85 PathProgramCache]: Analyzing trace with hash 528158642, now seen corresponding path program 1 times [2022-01-10 04:13:42,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:13:42,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880911493] [2022-01-10 04:13:42,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:13:42,605 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:13:42,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:13:42,607 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:13:42,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 04:13:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:13:43,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:13:43,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:13:43,989 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-01-10 04:13:43,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:13:43,989 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:13:43,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [880911493] [2022-01-10 04:13:43,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [880911493] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:13:43,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:13:43,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:13:43,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204128043] [2022-01-10 04:13:43,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:13:43,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:13:43,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:13:43,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:13:43,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:13:43,992 INFO L87 Difference]: Start difference. First operand 627 states and 939 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2022-01-10 04:13:45,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:13:45,050 INFO L93 Difference]: Finished difference Result 1242 states and 1871 transitions. [2022-01-10 04:13:45,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:13:45,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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 117 [2022-01-10 04:13:45,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:13:45,056 INFO L225 Difference]: With dead ends: 1242 [2022-01-10 04:13:45,056 INFO L226 Difference]: Without dead ends: 749 [2022-01-10 04:13:45,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:13:45,058 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 149 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-10 04:13:45,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 569 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-10 04:13:45,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2022-01-10 04:13:45,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 749. [2022-01-10 04:13:45,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 748 states have (on average 1.4973262032085561) internal successors, (1120), 748 states have internal predecessors, (1120), 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) [2022-01-10 04:13:45,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1120 transitions. [2022-01-10 04:13:45,082 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1120 transitions. Word has length 117 [2022-01-10 04:13:45,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:13:45,083 INFO L470 AbstractCegarLoop]: Abstraction has 749 states and 1120 transitions. [2022-01-10 04:13:45,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2022-01-10 04:13:45,083 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1120 transitions. [2022-01-10 04:13:45,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-10 04:13:45,088 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:13:45,088 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 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] [2022-01-10 04:13:45,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 04:13:45,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:13:45,308 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:13:45,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:13:45,308 INFO L85 PathProgramCache]: Analyzing trace with hash 686668759, now seen corresponding path program 1 times [2022-01-10 04:13:45,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:13:45,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926576133] [2022-01-10 04:13:45,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:13:45,309 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:13:45,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:13:45,310 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:13:45,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 04:13:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:13:46,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:13:46,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:13:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-01-10 04:13:46,888 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:13:46,889 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:13:46,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926576133] [2022-01-10 04:13:46,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [926576133] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:13:46,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:13:46,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:13:46,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885671239] [2022-01-10 04:13:46,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:13:46,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:13:46,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:13:46,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:13:46,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:13:46,891 INFO L87 Difference]: Start difference. First operand 749 states and 1120 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2022-01-10 04:13:47,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:13:47,786 INFO L93 Difference]: Finished difference Result 1487 states and 2235 transitions. [2022-01-10 04:13:47,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:13:47,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 129 [2022-01-10 04:13:47,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:13:47,790 INFO L225 Difference]: With dead ends: 1487 [2022-01-10 04:13:47,791 INFO L226 Difference]: Without dead ends: 872 [2022-01-10 04:13:47,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:13:47,792 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 151 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-10 04:13:47,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 571 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-10 04:13:47,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2022-01-10 04:13:47,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 872. [2022-01-10 04:13:47,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 871 states have (on average 1.4959816303099884) internal successors, (1303), 871 states have internal predecessors, (1303), 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) [2022-01-10 04:13:47,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1303 transitions. [2022-01-10 04:13:47,810 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1303 transitions. Word has length 129 [2022-01-10 04:13:47,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:13:47,810 INFO L470 AbstractCegarLoop]: Abstraction has 872 states and 1303 transitions. [2022-01-10 04:13:47,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2022-01-10 04:13:47,811 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1303 transitions. [2022-01-10 04:13:47,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-01-10 04:13:47,813 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:13:47,813 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 04:13:47,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 04:13:48,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:13:48,040 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:13:48,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:13:48,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1133322389, now seen corresponding path program 1 times [2022-01-10 04:13:48,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:13:48,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989279093] [2022-01-10 04:13:48,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:13:48,041 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:13:48,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:13:48,042 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:13:48,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 04:13:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:13:49,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:13:49,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:13:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-01-10 04:13:49,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:13:49,607 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:13:49,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989279093] [2022-01-10 04:13:49,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989279093] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:13:49,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:13:49,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:13:49,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075077363] [2022-01-10 04:13:49,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:13:49,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:13:49,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:13:49,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:13:49,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:13:49,609 INFO L87 Difference]: Start difference. First operand 872 states and 1303 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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) [2022-01-10 04:13:50,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:13:50,491 INFO L93 Difference]: Finished difference Result 1731 states and 2596 transitions. [2022-01-10 04:13:50,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:13:50,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 160 [2022-01-10 04:13:50,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:13:50,496 INFO L225 Difference]: With dead ends: 1731 [2022-01-10 04:13:50,496 INFO L226 Difference]: Without dead ends: 993 [2022-01-10 04:13:50,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:13:50,498 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 146 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-10 04:13:50,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 566 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-10 04:13:50,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2022-01-10 04:13:50,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 991. [2022-01-10 04:13:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.495959595959596) internal successors, (1481), 990 states have internal predecessors, (1481), 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) [2022-01-10 04:13:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1481 transitions. [2022-01-10 04:13:50,516 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1481 transitions. Word has length 160 [2022-01-10 04:13:50,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:13:50,516 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1481 transitions. [2022-01-10 04:13:50,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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) [2022-01-10 04:13:50,517 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1481 transitions. [2022-01-10 04:13:50,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-01-10 04:13:50,519 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:13:50,519 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2022-01-10 04:13:50,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 04:13:50,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:13:50,743 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:13:50,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:13:50,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1035961974, now seen corresponding path program 1 times [2022-01-10 04:13:50,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:13:50,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1400322892] [2022-01-10 04:13:50,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:13:50,745 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:13:50,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:13:50,746 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:13:50,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 04:13:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:13:52,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 1165 conjuncts, 29 conjunts are in the unsatisfiable core [2022-01-10 04:13:52,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:13:52,980 INFO L387 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 [2022-01-10 04:13:53,000 INFO L387 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 [2022-01-10 04:13:54,131 INFO L353 Elim1Store]: treesize reduction 1496, result has 4.7 percent of original size [2022-01-10 04:13:54,132 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 78 treesize of output 85 [2022-01-10 04:13:54,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,253 INFO L244 Elim1Store]: Index analysis took 101 ms [2022-01-10 04:13:54,258 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 85 [2022-01-10 04:13:54,570 INFO L353 Elim1Store]: treesize reduction 324, result has 10.2 percent of original size [2022-01-10 04:13:54,571 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 49 [2022-01-10 04:13:54,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:13:54,628 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 49 [2022-01-10 04:13:54,670 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-01-10 04:13:54,679 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-01-10 04:13:55,232 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-01-10 04:13:55,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:13:55,233 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:13:55,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1400322892] [2022-01-10 04:13:55,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1400322892] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:13:55,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:13:55,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 04:13:55,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008654105] [2022-01-10 04:13:55,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:13:55,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 04:13:55,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:13:55,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 04:13:55,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 04:13:55,234 INFO L87 Difference]: Start difference. First operand 991 states and 1481 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2022-01-10 04:13:57,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:13:59,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:14:04,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:14:09,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:14:11,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:14:13,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:14:15,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:14:17,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:14:17,021 INFO L93 Difference]: Finished difference Result 1979 states and 2958 transitions. [2022-01-10 04:14:17,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 04:14:17,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 166 [2022-01-10 04:14:17,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:14:17,029 INFO L225 Difference]: With dead ends: 1979 [2022-01-10 04:14:17,030 INFO L226 Difference]: Without dead ends: 991 [2022-01-10 04:14:17,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 04:14:17,032 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 7 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-01-10 04:14:17,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 671 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 4 Unknown, 0 Unchecked, 21.7s Time] [2022-01-10 04:14:17,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2022-01-10 04:14:17,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2022-01-10 04:14:17,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.494949494949495) internal successors, (1480), 990 states have internal predecessors, (1480), 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) [2022-01-10 04:14:17,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1480 transitions. [2022-01-10 04:14:17,053 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1480 transitions. Word has length 166 [2022-01-10 04:14:17,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:14:17,053 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1480 transitions. [2022-01-10 04:14:17,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2022-01-10 04:14:17,054 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1480 transitions. [2022-01-10 04:14:17,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-01-10 04:14:17,056 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:14:17,056 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2022-01-10 04:14:17,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 04:14:17,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:14:17,270 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:14:17,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:14:17,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1534397000, now seen corresponding path program 1 times [2022-01-10 04:14:17,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:14:17,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1025705389] [2022-01-10 04:14:17,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:14:17,272 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:14:17,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:14:17,274 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:14:17,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 04:14:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:14:28,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 126 conjunts are in the unsatisfiable core [2022-01-10 04:14:28,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:14:28,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,587 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40310 treesize of output 21600 [2022-01-10 04:14:28,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:28,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,372 INFO L244 Elim1Store]: Index analysis took 671 ms [2022-01-10 04:14:29,377 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 123 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 3288 treesize of output 3347 [2022-01-10 04:14:29,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:29,967 INFO L353 Elim1Store]: treesize reduction 138, result has 16.9 percent of original size [2022-01-10 04:14:29,968 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 4980 treesize of output 1593