/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.09.i.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 04:13:47,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 04:13:47,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 04:13:47,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 04:13:47,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 04:13:47,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 04:13:47,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 04:13:47,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 04:13:47,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 04:13:47,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 04:13:47,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 04:13:47,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 04:13:47,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 04:13:47,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 04:13:47,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 04:13:47,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 04:13:47,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 04:13:47,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 04:13:47,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 04:13:47,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 04:13:47,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 04:13:47,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 04:13:47,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 04:13:47,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 04:13:47,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 04:13:47,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 04:13:47,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 04:13:47,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 04:13:47,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 04:13:47,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 04:13:47,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 04:13:47,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 04:13:47,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 04:13:47,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 04:13:47,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 04:13:47,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 04:13:47,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 04:13:47,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 04:13:47,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 04:13:47,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 04:13:47,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 04:13:47,775 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 04:13:47,795 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 04:13:47,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 04:13:47,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 04:13:47,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 04:13:47,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 04:13:47,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 04:13:47,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 04:13:47,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 04:13:47,797 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 04:13:47,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 04:13:47,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 04:13:47,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 04:13:47,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 04:13:47,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 04:13:47,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 04:13:47,797 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 04:13:47,797 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 04:13:47,797 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 04:13:47,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 04:13:47,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 04:13:47,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 04:13:47,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 04:13:47,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 04:13:47,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:13:47,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 04:13:47,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 04:13:47,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 04:13:47,798 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 04:13:47,798 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 04:13:47,799 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 04:13:47,799 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 04:13:47,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 04:13:47,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 04:13:47,800 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 04:13:47,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 04:13:47,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 04:13:47,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 04:13:47,986 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 04:13:47,986 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 04:13:47,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl/s3_srvr.blast.09.i.cil-2.c [2022-01-10 04:13:48,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac1b0d519/109420a5044c4d59887e8b586022f73c/FLAG47a654dda [2022-01-10 04:13:48,455 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 04:13:48,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl/s3_srvr.blast.09.i.cil-2.c [2022-01-10 04:13:48,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac1b0d519/109420a5044c4d59887e8b586022f73c/FLAG47a654dda [2022-01-10 04:13:48,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac1b0d519/109420a5044c4d59887e8b586022f73c [2022-01-10 04:13:48,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 04:13:48,491 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 04:13:48,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 04:13:48,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 04:13:48,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 04:13:48,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:13:48" (1/1) ... [2022-01-10 04:13:48,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19eb9a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:48, skipping insertion in model container [2022-01-10 04:13:48,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:13:48" (1/1) ... [2022-01-10 04:13:48,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 04:13:48,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:13:48,826 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.09.i.cil-2.c[74369,74382] [2022-01-10 04:13:48,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:13:48,858 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 04:13:48,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:13:48,934 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.09.i.cil-2.c[74369,74382] [2022-01-10 04:13:48,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:13:48,941 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 04:13:49,014 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.09.i.cil-2.c[74369,74382] [2022-01-10 04:13:49,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:13:49,028 INFO L208 MainTranslator]: Completed translation [2022-01-10 04:13:49,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:49 WrapperNode [2022-01-10 04:13:49,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 04:13:49,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 04:13:49,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 04:13:49,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 04:13:49,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:49" (1/1) ... [2022-01-10 04:13:49,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:49" (1/1) ... [2022-01-10 04:13:49,113 INFO L137 Inliner]: procedures = 41, calls = 248, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 785 [2022-01-10 04:13:49,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 04:13:49,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 04:13:49,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 04:13:49,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 04:13:49,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:49" (1/1) ... [2022-01-10 04:13:49,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:49" (1/1) ... [2022-01-10 04:13:49,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:49" (1/1) ... [2022-01-10 04:13:49,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:49" (1/1) ... [2022-01-10 04:13:49,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:49" (1/1) ... [2022-01-10 04:13:49,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:49" (1/1) ... [2022-01-10 04:13:49,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:49" (1/1) ... [2022-01-10 04:13:49,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 04:13:49,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 04:13:49,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 04:13:49,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 04:13:49,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:49" (1/1) ... [2022-01-10 04:13:49,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:13:49,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 04:13:49,232 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 04:13:49,240 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 04:13:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-01-10 04:13:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 04:13:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 04:13:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-01-10 04:13:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-10 04:13:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-01-10 04:13:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 04:13:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-10 04:13:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 04:13:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 04:13:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 04:13:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-01-10 04:13:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 04:13:49,419 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 04:13:49,420 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 04:13:49,429 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 04:13:59,872 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-01-10 04:13:59,872 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-01-10 04:13:59,872 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 04:13:59,877 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 04:13:59,877 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 04:13:59,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:13:59 BoogieIcfgContainer [2022-01-10 04:13:59,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 04:13:59,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 04:13:59,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 04:13:59,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 04:13:59,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:13:48" (1/3) ... [2022-01-10 04:13:59,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e42023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:13:59, skipping insertion in model container [2022-01-10 04:13:59,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:13:49" (2/3) ... [2022-01-10 04:13:59,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e42023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:13:59, skipping insertion in model container [2022-01-10 04:13:59,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:13:59" (3/3) ... [2022-01-10 04:13:59,893 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.09.i.cil-2.c [2022-01-10 04:13:59,897 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 04:13:59,897 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 04:13:59,927 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 04:13:59,932 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 04:13:59,932 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 04:13:59,949 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 04:13:59,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-10 04:13:59,957 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:13:59,958 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 04:13:59,958 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:13:59,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:13:59,962 INFO L85 PathProgramCache]: Analyzing trace with hash -442385418, now seen corresponding path program 1 times [2022-01-10 04:13:59,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:13:59,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675545665] [2022-01-10 04:13:59,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:13:59,976 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:13:59,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:13:59,978 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 04:14:00,003 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 04:14:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:14:00,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:14:00,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:14:01,105 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 04:14:01,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:14:01,106 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:14:01,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [675545665] [2022-01-10 04:14:01,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [675545665] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:14:01,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:14:01,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:14:01,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357798634] [2022-01-10 04:14:01,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:14:01,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:14:01,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:14:01,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:14:01,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:14:01,130 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 04:14:01,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:14:01,293 INFO L93 Difference]: Finished difference Result 427 states and 728 transitions. [2022-01-10 04:14:01,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:14:01,296 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 04:14:01,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:14:01,306 INFO L225 Difference]: With dead ends: 427 [2022-01-10 04:14:01,306 INFO L226 Difference]: Without dead ends: 261 [2022-01-10 04:14:01,309 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 04:14:01,314 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 04:14:01,315 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 04:14:01,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-01-10 04:14:01,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2022-01-10 04:14:01,367 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 04:14:01,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 394 transitions. [2022-01-10 04:14:01,370 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 394 transitions. Word has length 37 [2022-01-10 04:14:01,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:14:01,370 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 394 transitions. [2022-01-10 04:14:01,370 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 04:14:01,370 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 394 transitions. [2022-01-10 04:14:01,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-01-10 04:14:01,372 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:14:01,372 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 04:14:01,410 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 04:14:01,600 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 04:14:01,601 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:14:01,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:14:01,601 INFO L85 PathProgramCache]: Analyzing trace with hash 242366870, now seen corresponding path program 1 times [2022-01-10 04:14:01,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:14:01,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147292693] [2022-01-10 04:14:01,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:14:01,602 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:14:01,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:14:01,605 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 04:14:01,607 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 04:14:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:14:02,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:14:02,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:14:02,743 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 04:14:02,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:14:02,743 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:14:02,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147292693] [2022-01-10 04:14:02,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147292693] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:14:02,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:14:02,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:14:02,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949633143] [2022-01-10 04:14:02,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:14:02,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:14:02,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:14:02,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:14:02,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:14:02,745 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 04:14:03,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:14:03,358 INFO L93 Difference]: Finished difference Result 510 states and 781 transitions. [2022-01-10 04:14:03,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:14:03,359 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 04:14:03,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:14:03,368 INFO L225 Difference]: With dead ends: 510 [2022-01-10 04:14:03,369 INFO L226 Difference]: Without dead ends: 383 [2022-01-10 04:14:03,372 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 04:14:03,372 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 150 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 04:14:03,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 567 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 04:14:03,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-01-10 04:14:03,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2022-01-10 04:14:03,389 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 04:14:03,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 575 transitions. [2022-01-10 04:14:03,391 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 575 transitions. Word has length 54 [2022-01-10 04:14:03,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:14:03,391 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 575 transitions. [2022-01-10 04:14:03,391 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 04:14:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 575 transitions. [2022-01-10 04:14:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-01-10 04:14:03,395 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:14:03,395 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 04:14:03,431 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 04:14:03,597 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 04:14:03,598 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:14:03,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:14:03,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1040793707, now seen corresponding path program 1 times [2022-01-10 04:14:03,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:14:03,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366054217] [2022-01-10 04:14:03,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:14:03,599 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:14:03,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:14:03,601 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 04:14:03,601 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 04:14:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:14:04,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:14:04,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:14:04,764 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 04:14:04,764 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:14:04,764 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:14:04,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366054217] [2022-01-10 04:14:04,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366054217] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:14:04,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:14:04,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:14:04,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912591689] [2022-01-10 04:14:04,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:14:04,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:14:04,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:14:04,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:14:04,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:14:04,766 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 04:14:05,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:14:05,305 INFO L93 Difference]: Finished difference Result 754 states and 1144 transitions. [2022-01-10 04:14:05,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:14:05,305 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 04:14:05,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:14:05,307 INFO L225 Difference]: With dead ends: 754 [2022-01-10 04:14:05,307 INFO L226 Difference]: Without dead ends: 505 [2022-01-10 04:14:05,308 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 04:14:05,309 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 148 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 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, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 04:14:05,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 569 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 04:14:05,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2022-01-10 04:14:05,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 505. [2022-01-10 04:14:05,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 504 states have (on average 1.501984126984127) internal successors, (757), 504 states have internal predecessors, (757), 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 04:14:05,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 757 transitions. [2022-01-10 04:14:05,319 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 757 transitions. Word has length 76 [2022-01-10 04:14:05,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:14:05,319 INFO L470 AbstractCegarLoop]: Abstraction has 505 states and 757 transitions. [2022-01-10 04:14:05,319 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 04:14:05,319 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 757 transitions. [2022-01-10 04:14:05,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-10 04:14:05,323 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:14:05,323 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 04:14:05,365 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 04:14:05,523 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 04:14:05,524 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:14:05,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:14:05,524 INFO L85 PathProgramCache]: Analyzing trace with hash -792001576, now seen corresponding path program 1 times [2022-01-10 04:14:05,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:14:05,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1602667939] [2022-01-10 04:14:05,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:14:05,525 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:14:05,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:14:05,526 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 04:14:05,528 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 04:14:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:14:06,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:14:06,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:14:06,859 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 04:14:06,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:14:06,860 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:14:06,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1602667939] [2022-01-10 04:14:06,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1602667939] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:14:06,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:14:06,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:14:06,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924217338] [2022-01-10 04:14:06,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:14:06,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:14:06,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:14:06,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:14:06,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:14:06,861 INFO L87 Difference]: Start difference. First operand 505 states and 757 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 04:14:07,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:14:07,650 INFO L93 Difference]: Finished difference Result 1000 states and 1510 transitions. [2022-01-10 04:14:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:14:07,650 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 04:14:07,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:14:07,653 INFO L225 Difference]: With dead ends: 1000 [2022-01-10 04:14:07,653 INFO L226 Difference]: Without dead ends: 629 [2022-01-10 04:14:07,654 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 04:14:07,654 INFO L933 BasicCegarLoop]: 383 mSDtfsCounter, 152 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-01-10 04:14:07,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 572 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-10 04:14:07,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2022-01-10 04:14:07,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 629. [2022-01-10 04:14:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 628 states have (on average 1.4984076433121019) internal successors, (941), 628 states have internal predecessors, (941), 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 04:14:07,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 941 transitions. [2022-01-10 04:14:07,664 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 941 transitions. Word has length 100 [2022-01-10 04:14:07,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:14:07,665 INFO L470 AbstractCegarLoop]: Abstraction has 629 states and 941 transitions. [2022-01-10 04:14:07,665 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 04:14:07,665 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 941 transitions. [2022-01-10 04:14:07,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-10 04:14:07,667 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:14:07,667 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 04:14:07,706 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 04:14:07,891 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 04:14:07,891 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:14:07,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:14:07,892 INFO L85 PathProgramCache]: Analyzing trace with hash -483706638, now seen corresponding path program 1 times [2022-01-10 04:14:07,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:14:07,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401707952] [2022-01-10 04:14:07,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:14:07,893 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:14:07,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:14:07,894 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 04:14:07,896 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 04:14:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:14:08,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:14:08,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:14:09,152 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 04:14:09,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:14:09,152 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:14:09,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401707952] [2022-01-10 04:14:09,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401707952] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:14:09,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:14:09,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:14:09,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859338100] [2022-01-10 04:14:09,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:14:09,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:14:09,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:14:09,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:14:09,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:14:09,154 INFO L87 Difference]: Start difference. First operand 629 states and 941 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 04:14:10,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:14:10,115 INFO L93 Difference]: Finished difference Result 1244 states and 1871 transitions. [2022-01-10 04:14:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:14:10,115 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 04:14:10,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:14:10,118 INFO L225 Difference]: With dead ends: 1244 [2022-01-10 04:14:10,118 INFO L226 Difference]: Without dead ends: 749 [2022-01-10 04:14:10,119 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 04:14:10,119 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 147 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 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, 0.9s IncrementalHoareTripleChecker+Time [2022-01-10 04:14:10,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 569 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-10 04:14:10,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2022-01-10 04:14:10,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 749. [2022-01-10 04:14:10,129 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 04:14:10,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1120 transitions. [2022-01-10 04:14:10,131 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1120 transitions. Word has length 117 [2022-01-10 04:14:10,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:14:10,131 INFO L470 AbstractCegarLoop]: Abstraction has 749 states and 1120 transitions. [2022-01-10 04:14:10,131 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 04:14:10,131 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1120 transitions. [2022-01-10 04:14:10,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-01-10 04:14:10,133 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:14:10,133 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 04:14:10,168 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 04:14:10,351 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 04:14:10,351 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:14:10,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:14:10,352 INFO L85 PathProgramCache]: Analyzing trace with hash 686668759, now seen corresponding path program 1 times [2022-01-10 04:14:10,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:14:10,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726685683] [2022-01-10 04:14:10,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:14:10,353 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:14:10,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:14:10,354 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 04:14:10,355 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 04:14:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:14:11,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:14:11,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:14:11,770 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 04:14:11,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:14:11,770 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:14:11,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726685683] [2022-01-10 04:14:11,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726685683] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:14:11,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:14:11,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:14:11,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493549215] [2022-01-10 04:14:11,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:14:11,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:14:11,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:14:11,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:14:11,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:14:11,772 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 04:14:12,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:14:12,691 INFO L93 Difference]: Finished difference Result 1486 states and 2233 transitions. [2022-01-10 04:14:12,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:14:12,691 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 04:14:12,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:14:12,694 INFO L225 Difference]: With dead ends: 1486 [2022-01-10 04:14:12,694 INFO L226 Difference]: Without dead ends: 871 [2022-01-10 04:14:12,695 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 04:14:12,696 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 149 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-01-10 04:14:12,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 569 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-10 04:14:12,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2022-01-10 04:14:12,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 871. [2022-01-10 04:14:12,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 870 states have (on average 1.4954022988505746) internal successors, (1301), 870 states have internal predecessors, (1301), 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 04:14:12,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1301 transitions. [2022-01-10 04:14:12,710 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1301 transitions. Word has length 129 [2022-01-10 04:14:12,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:14:12,711 INFO L470 AbstractCegarLoop]: Abstraction has 871 states and 1301 transitions. [2022-01-10 04:14:12,711 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 04:14:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1301 transitions. [2022-01-10 04:14:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-01-10 04:14:12,713 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:14:12,714 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 04:14:12,786 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 04:14:12,927 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 04:14:12,927 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:14:12,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:14:12,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1815233301, now seen corresponding path program 1 times [2022-01-10 04:14:12,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:14:12,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124377965] [2022-01-10 04:14:12,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:14:12,929 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:14:12,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:14:12,930 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 04:14:12,931 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 04:14:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:14:14,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:14:14,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:14:14,322 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 04:14:14,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:14:14,322 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:14:14,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124377965] [2022-01-10 04:14:14,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1124377965] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:14:14,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:14:14,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:14:14,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117322472] [2022-01-10 04:14:14,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:14:14,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:14:14,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:14:14,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:14:14,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:14:14,324 INFO L87 Difference]: Start difference. First operand 871 states and 1301 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 04:14:14,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:14:14,737 INFO L93 Difference]: Finished difference Result 1731 states and 2594 transitions. [2022-01-10 04:14:14,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:14:14,737 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 04:14:14,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:14:14,740 INFO L225 Difference]: With dead ends: 1731 [2022-01-10 04:14:14,740 INFO L226 Difference]: Without dead ends: 994 [2022-01-10 04:14:14,741 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 04:14:14,742 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 148 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:14:14,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 568 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:14:14,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2022-01-10 04:14:14,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 992. [2022-01-10 04:14:14,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 991 states have (on average 1.4944500504540867) internal successors, (1481), 991 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 04:14:14,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1481 transitions. [2022-01-10 04:14:14,757 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1481 transitions. Word has length 160 [2022-01-10 04:14:14,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:14:14,757 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1481 transitions. [2022-01-10 04:14:14,757 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 04:14:14,758 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1481 transitions. [2022-01-10 04:14:14,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-01-10 04:14:14,759 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:14:14,759 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 04:14:14,800 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 04:14:14,975 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 04:14:14,976 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:14:14,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:14:14,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1650407178, now seen corresponding path program 1 times [2022-01-10 04:14:14,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:14:14,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939203257] [2022-01-10 04:14:14,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:14:14,977 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:14:14,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:14:14,978 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 04:14:14,979 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 04:14:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:14:17,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 1165 conjuncts, 29 conjunts are in the unsatisfiable core [2022-01-10 04:14:17,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:14:17,707 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 04:14:17,725 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 04:14:18,768 INFO L353 Elim1Store]: treesize reduction 1496, result has 4.7 percent of original size [2022-01-10 04:14:18,768 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 04:14:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:18,904 INFO L244 Elim1Store]: Index analysis took 112 ms [2022-01-10 04:14:18,907 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 04:14:19,215 INFO L353 Elim1Store]: treesize reduction 324, result has 10.2 percent of original size [2022-01-10 04:14:19,217 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 04:14:19,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:19,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:19,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:19,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:19,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:19,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:19,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:19,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:19,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:19,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:19,259 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 04:14:19,294 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 04:14:19,306 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 04:14:19,785 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 04:14:19,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:14:19,785 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:14:19,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1939203257] [2022-01-10 04:14:19,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1939203257] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:14:19,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:14:19,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 04:14:19,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192369686] [2022-01-10 04:14:19,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:14:19,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 04:14:19,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:14:19,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 04:14:19,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 04:14:19,787 INFO L87 Difference]: Start difference. First operand 992 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 04:14:21,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:14:23,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:14:25,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:14:27,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:14:29,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:14:31,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:14:33,228 WARN L534 Checker$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 04:14:38,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:14:42,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 04:14:44,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:14:44,244 INFO L93 Difference]: Finished difference Result 1981 states and 2958 transitions. [2022-01-10 04:14:44,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 04:14:44,254 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 04:14:44,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:14:44,258 INFO L225 Difference]: With dead ends: 1981 [2022-01-10 04:14:44,258 INFO L226 Difference]: Without dead ends: 992 [2022-01-10 04:14:44,259 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 04:14:44,260 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 7 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s 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, 24.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:14:44,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 671 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 4 Unknown, 0 Unchecked, 24.3s Time] [2022-01-10 04:14:44,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2022-01-10 04:14:44,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 992. [2022-01-10 04:14:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 991 states have (on average 1.4934409687184662) internal successors, (1480), 991 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 04:14:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1480 transitions. [2022-01-10 04:14:44,291 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1480 transitions. Word has length 166 [2022-01-10 04:14:44,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:14:44,293 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1480 transitions. [2022-01-10 04:14:44,293 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 04:14:44,293 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1480 transitions. [2022-01-10 04:14:44,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-01-10 04:14:44,295 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:14:44,295 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 04:14:44,342 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 04:14:44,512 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 04:14:44,512 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:14:44,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:14:44,513 INFO L85 PathProgramCache]: Analyzing trace with hash -74201144, now seen corresponding path program 1 times [2022-01-10 04:14:44,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:14:44,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801717110] [2022-01-10 04:14:44,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:14:44,514 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:14:44,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:14:44,515 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 04:14:44,515 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 04:14:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:14:54,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 113 conjunts are in the unsatisfiable core [2022-01-10 04:14:55,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:14:55,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,245 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 04:14:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,911 INFO L244 Elim1Store]: Index analysis took 565 ms [2022-01-10 04:14:55,915 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 04:14:55,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:55,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 04:14:56,438 INFO L353 Elim1Store]: treesize reduction 138, result has 16.9 percent of original size [2022-01-10 04:14:56,438 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