/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/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf -i ../../../trunk/examples/svcomp/bitvector/s3_srvr_3a.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 08:27:31,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 08:27:31,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 08:27:31,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 08:27:31,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 08:27:31,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 08:27:31,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 08:27:31,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 08:27:31,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 08:27:31,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 08:27:31,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 08:27:31,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 08:27:31,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 08:27:31,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 08:27:31,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 08:27:31,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 08:27:31,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 08:27:31,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 08:27:31,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 08:27:31,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 08:27:31,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 08:27:31,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 08:27:31,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 08:27:31,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 08:27:31,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 08:27:31,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 08:27:31,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 08:27:31,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 08:27:31,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 08:27:31,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 08:27:31,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 08:27:31,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 08:27:31,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 08:27:31,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 08:27:31,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 08:27:31,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 08:27:31,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 08:27:31,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 08:27:31,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 08:27:31,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 08:27:31,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 08:27:31,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 08:27:31,625 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 08:27:31,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 08:27:31,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 08:27:31,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 08:27:31,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 08:27:31,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 08:27:31,626 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 08:27:31,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 08:27:31,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 08:27:31,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 08:27:31,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 08:27:31,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 08:27:31,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 08:27:31,627 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 08:27:31,627 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 08:27:31,627 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 08:27:31,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 08:27:31,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 08:27:31,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 08:27:31,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 08:27:31,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 08:27:31,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 08:27:31,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 08:27:31,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 08:27:31,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 08:27:31,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 08:27:31,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 08:27:31,629 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 08:27:31,629 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 08:27:31,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 08:27:31,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 08:27:31,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 08:27:31,630 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 08:27:31,630 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 08:27:31,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 08:27:31,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 08:27:31,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 08:27:31,870 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 08:27:31,871 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 08:27:31,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_3a.BV.c.cil.c [2022-01-10 08:27:31,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d129139bb/fefe0348f49c47b791684e3b8f552377/FLAGd8cfa81ac [2022-01-10 08:27:32,428 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 08:27:32,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_3a.BV.c.cil.c [2022-01-10 08:27:32,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d129139bb/fefe0348f49c47b791684e3b8f552377/FLAGd8cfa81ac [2022-01-10 08:27:32,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d129139bb/fefe0348f49c47b791684e3b8f552377 [2022-01-10 08:27:32,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 08:27:32,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 08:27:32,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 08:27:32,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 08:27:32,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 08:27:32,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 08:27:32" (1/1) ... [2022-01-10 08:27:32,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a02b266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:27:32, skipping insertion in model container [2022-01-10 08:27:32,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 08:27:32" (1/1) ... [2022-01-10 08:27:32,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 08:27:32,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 08:27:32,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_3a.BV.c.cil.c[44494,44507] [2022-01-10 08:27:32,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 08:27:32,996 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 08:27:33,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_3a.BV.c.cil.c[44494,44507] [2022-01-10 08:27:33,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 08:27:33,096 INFO L208 MainTranslator]: Completed translation [2022-01-10 08:27:33,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:27:33 WrapperNode [2022-01-10 08:27:33,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 08:27:33,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 08:27:33,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 08:27:33,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 08:27:33,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:27:33" (1/1) ... [2022-01-10 08:27:33,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:27:33" (1/1) ... [2022-01-10 08:27:33,154 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 477 [2022-01-10 08:27:33,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 08:27:33,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 08:27:33,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 08:27:33,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 08:27:33,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:27:33" (1/1) ... [2022-01-10 08:27:33,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:27:33" (1/1) ... [2022-01-10 08:27:33,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:27:33" (1/1) ... [2022-01-10 08:27:33,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:27:33" (1/1) ... [2022-01-10 08:27:33,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:27:33" (1/1) ... [2022-01-10 08:27:33,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:27:33" (1/1) ... [2022-01-10 08:27:33,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:27:33" (1/1) ... [2022-01-10 08:27:33,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 08:27:33,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 08:27:33,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 08:27:33,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 08:27:33,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:27:33" (1/1) ... [2022-01-10 08:27:33,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 08:27:33,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 08:27:33,261 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 08:27:33,303 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 08:27:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 08:27:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 08:27:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 08:27:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 08:27:33,396 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 08:27:33,397 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 08:27:33,407 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 08:27:33,782 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-01-10 08:27:33,782 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-01-10 08:27:33,783 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 08:27:33,787 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 08:27:33,787 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 08:27:33,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:27:33 BoogieIcfgContainer [2022-01-10 08:27:33,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 08:27:33,789 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 08:27:33,790 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 08:27:33,790 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 08:27:33,792 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:27:33" (1/1) ... [2022-01-10 08:27:34,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 08:27:34 BasicIcfg [2022-01-10 08:27:34,082 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 08:27:34,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 08:27:34,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 08:27:34,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 08:27:34,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 08:27:32" (1/4) ... [2022-01-10 08:27:34,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f1cddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 08:27:34, skipping insertion in model container [2022-01-10 08:27:34,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:27:33" (2/4) ... [2022-01-10 08:27:34,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f1cddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 08:27:34, skipping insertion in model container [2022-01-10 08:27:34,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:27:33" (3/4) ... [2022-01-10 08:27:34,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f1cddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 08:27:34, skipping insertion in model container [2022-01-10 08:27:34,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 08:27:34" (4/4) ... [2022-01-10 08:27:34,090 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a.BV.c.cil.cTransformedIcfg [2022-01-10 08:27:34,093 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 08:27:34,093 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 08:27:34,136 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 08:27:34,141 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 08:27:34,141 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 08:27:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 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 08:27:34,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-10 08:27:34,162 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:27:34,162 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 08:27:34,162 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:27:34,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:27:34,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1609706479, now seen corresponding path program 1 times [2022-01-10 08:27:34,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:27:34,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519756104] [2022-01-10 08:27:34,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:34,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:27:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:27:34,457 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 08:27:34,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:27:34,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519756104] [2022-01-10 08:27:34,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519756104] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:27:34,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:27:34,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:27:34,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888420146] [2022-01-10 08:27:34,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:27:34,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:27:34,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:27:34,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:27:34,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:27:34,491 INFO L87 Difference]: Start difference. First operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 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 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 08:27:34,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:27:34,658 INFO L93 Difference]: Finished difference Result 383 states and 657 transitions. [2022-01-10 08:27:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:27:34,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-01-10 08:27:34,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:27:34,668 INFO L225 Difference]: With dead ends: 383 [2022-01-10 08:27:34,668 INFO L226 Difference]: Without dead ends: 217 [2022-01-10 08:27:34,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:27:34,673 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 170 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 08:27:34,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 415 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 08:27:34,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-01-10 08:27:34,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-01-10 08:27:34,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.5231481481481481) internal successors, (329), 216 states have internal predecessors, (329), 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 08:27:34,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 329 transitions. [2022-01-10 08:27:34,767 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 329 transitions. Word has length 44 [2022-01-10 08:27:34,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:27:34,768 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 329 transitions. [2022-01-10 08:27:34,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 08:27:34,768 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 329 transitions. [2022-01-10 08:27:34,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 08:27:34,770 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:27:34,770 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, 1, 1, 1, 1, 1, 1] [2022-01-10 08:27:34,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 08:27:34,771 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:27:34,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:27:34,800 INFO L85 PathProgramCache]: Analyzing trace with hash -843414403, now seen corresponding path program 1 times [2022-01-10 08:27:34,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:27:34,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861173682] [2022-01-10 08:27:34,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:34,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:27:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:27:34,937 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 08:27:34,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:27:34,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861173682] [2022-01-10 08:27:34,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861173682] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:27:34,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:27:34,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:27:34,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100555258] [2022-01-10 08:27:34,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:27:34,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:27:34,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:27:34,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:27:34,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:27:34,942 INFO L87 Difference]: Start difference. First operand 217 states and 329 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 08:27:35,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:27:35,088 INFO L93 Difference]: Finished difference Result 352 states and 535 transitions. [2022-01-10 08:27:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:27:35,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 60 [2022-01-10 08:27:35,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:27:35,095 INFO L225 Difference]: With dead ends: 352 [2022-01-10 08:27:35,096 INFO L226 Difference]: Without dead ends: 246 [2022-01-10 08:27:35,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:27:35,100 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 13 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 08:27:35,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 271 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 08:27:35,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-01-10 08:27:35,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 238. [2022-01-10 08:27:35,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 1.4978902953586497) internal successors, (355), 237 states have internal predecessors, (355), 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 08:27:35,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 355 transitions. [2022-01-10 08:27:35,125 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 355 transitions. Word has length 60 [2022-01-10 08:27:35,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:27:35,125 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 355 transitions. [2022-01-10 08:27:35,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 08:27:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 355 transitions. [2022-01-10 08:27:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-10 08:27:35,127 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:27:35,127 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 08:27:35,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 08:27:35,128 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:27:35,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:27:35,128 INFO L85 PathProgramCache]: Analyzing trace with hash 716439703, now seen corresponding path program 1 times [2022-01-10 08:27:35,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:27:35,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478631113] [2022-01-10 08:27:35,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:35,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:27:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:27:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 08:27:35,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:27:35,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478631113] [2022-01-10 08:27:35,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478631113] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:27:35,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:27:35,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:27:35,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135833494] [2022-01-10 08:27:35,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:27:35,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:27:35,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:27:35,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:27:35,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:27:35,212 INFO L87 Difference]: Start difference. First operand 238 states and 355 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 08:27:37,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-10 08:27:37,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:27:37,416 INFO L93 Difference]: Finished difference Result 560 states and 853 transitions. [2022-01-10 08:27:37,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:27:37,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 81 [2022-01-10 08:27:37,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:27:37,419 INFO L225 Difference]: With dead ends: 560 [2022-01-10 08:27:37,419 INFO L226 Difference]: Without dead ends: 330 [2022-01-10 08:27:37,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:27:37,420 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 14 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 28 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-01-10 08:27:37,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 272 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 118 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-01-10 08:27:37,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-01-10 08:27:37,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 322. [2022-01-10 08:27:37,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 321 states have (on average 1.398753894080997) internal successors, (449), 321 states have internal predecessors, (449), 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 08:27:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 449 transitions. [2022-01-10 08:27:37,443 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 449 transitions. Word has length 81 [2022-01-10 08:27:37,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:27:37,443 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 449 transitions. [2022-01-10 08:27:37,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 08:27:37,444 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 449 transitions. [2022-01-10 08:27:37,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-10 08:27:37,450 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:27:37,450 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 08:27:37,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 08:27:37,451 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:27:37,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:27:37,451 INFO L85 PathProgramCache]: Analyzing trace with hash 840512950, now seen corresponding path program 1 times [2022-01-10 08:27:37,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:27:37,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723557553] [2022-01-10 08:27:37,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:37,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:27:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:27:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 08:27:37,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:27:37,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723557553] [2022-01-10 08:27:37,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723557553] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:27:37,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:27:37,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:27:37,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421720571] [2022-01-10 08:27:37,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:27:37,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:27:37,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:27:37,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:27:37,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:27:37,525 INFO L87 Difference]: Start difference. First operand 322 states and 449 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 08:27:39,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-10 08:27:39,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:27:39,656 INFO L93 Difference]: Finished difference Result 688 states and 968 transitions. [2022-01-10 08:27:39,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:27:39,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 81 [2022-01-10 08:27:39,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:27:39,659 INFO L225 Difference]: With dead ends: 688 [2022-01-10 08:27:39,659 INFO L226 Difference]: Without dead ends: 374 [2022-01-10 08:27:39,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:27:39,660 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 12 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-01-10 08:27:39,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 272 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-01-10 08:27:39,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2022-01-10 08:27:39,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 368. [2022-01-10 08:27:39,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 367 states have (on average 1.3760217983651226) internal successors, (505), 367 states have internal predecessors, (505), 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 08:27:39,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 505 transitions. [2022-01-10 08:27:39,671 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 505 transitions. Word has length 81 [2022-01-10 08:27:39,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:27:39,671 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 505 transitions. [2022-01-10 08:27:39,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 08:27:39,672 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 505 transitions. [2022-01-10 08:27:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-01-10 08:27:39,672 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:27:39,673 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1] [2022-01-10 08:27:39,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 08:27:39,673 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:27:39,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:27:39,673 INFO L85 PathProgramCache]: Analyzing trace with hash 24767435, now seen corresponding path program 1 times [2022-01-10 08:27:39,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:27:39,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495917735] [2022-01-10 08:27:39,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:39,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:27:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:27:39,735 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-10 08:27:39,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:27:39,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495917735] [2022-01-10 08:27:39,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495917735] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:27:39,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:27:39,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:27:39,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311431054] [2022-01-10 08:27:39,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:27:39,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:27:39,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:27:39,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:27:39,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:27:39,737 INFO L87 Difference]: Start difference. First operand 368 states and 505 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 08:27:39,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:27:39,902 INFO L93 Difference]: Finished difference Result 802 states and 1120 transitions. [2022-01-10 08:27:39,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:27:39,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 101 [2022-01-10 08:27:39,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:27:39,907 INFO L225 Difference]: With dead ends: 802 [2022-01-10 08:27:39,907 INFO L226 Difference]: Without dead ends: 442 [2022-01-10 08:27:39,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:27:39,908 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 28 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 08:27:39,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 271 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 08:27:39,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-01-10 08:27:39,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 418. [2022-01-10 08:27:39,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 417 states have (on average 1.354916067146283) internal successors, (565), 417 states have internal predecessors, (565), 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 08:27:39,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 565 transitions. [2022-01-10 08:27:39,923 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 565 transitions. Word has length 101 [2022-01-10 08:27:39,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:27:39,924 INFO L470 AbstractCegarLoop]: Abstraction has 418 states and 565 transitions. [2022-01-10 08:27:39,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 08:27:39,924 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 565 transitions. [2022-01-10 08:27:39,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-10 08:27:39,925 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:27:39,925 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 08:27:39,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 08:27:39,926 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:27:39,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:27:39,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1750251804, now seen corresponding path program 1 times [2022-01-10 08:27:39,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:27:39,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682350437] [2022-01-10 08:27:39,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:39,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:27:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:27:40,006 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-10 08:27:40,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:27:40,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682350437] [2022-01-10 08:27:40,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682350437] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:27:40,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:27:40,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:27:40,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812102841] [2022-01-10 08:27:40,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:27:40,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:27:40,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:27:40,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:27:40,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:27:40,008 INFO L87 Difference]: Start difference. First operand 418 states and 565 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 08:27:40,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:27:40,131 INFO L93 Difference]: Finished difference Result 635 states and 858 transitions. [2022-01-10 08:27:40,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:27:40,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-01-10 08:27:40,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:27:40,134 INFO L225 Difference]: With dead ends: 635 [2022-01-10 08:27:40,134 INFO L226 Difference]: Without dead ends: 633 [2022-01-10 08:27:40,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:27:40,139 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 126 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 08:27:40,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 318 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 08:27:40,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2022-01-10 08:27:40,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2022-01-10 08:27:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 632 states have (on average 1.3544303797468353) internal successors, (856), 632 states have internal predecessors, (856), 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 08:27:40,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 856 transitions. [2022-01-10 08:27:40,153 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 856 transitions. Word has length 121 [2022-01-10 08:27:40,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:27:40,154 INFO L470 AbstractCegarLoop]: Abstraction has 633 states and 856 transitions. [2022-01-10 08:27:40,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 08:27:40,154 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 856 transitions. [2022-01-10 08:27:40,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-01-10 08:27:40,156 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:27:40,156 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-01-10 08:27:40,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 08:27:40,156 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:27:40,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:27:40,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1590266835, now seen corresponding path program 1 times [2022-01-10 08:27:40,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:27:40,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103085374] [2022-01-10 08:27:40,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:40,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:27:40,191 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 08:27:40,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1150674046] [2022-01-10 08:27:40,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:40,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:27:40,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 08:27:40,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 08:27:40,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 08:27:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:27:40,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 08:27:40,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 08:27:40,633 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-10 08:27:40,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 08:27:40,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:27:40,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103085374] [2022-01-10 08:27:40,633 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 08:27:40,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150674046] [2022-01-10 08:27:40,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150674046] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:27:40,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:27:40,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:27:40,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520394880] [2022-01-10 08:27:40,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:27:40,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:27:40,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:27:40,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:27:40,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:27:40,635 INFO L87 Difference]: Start difference. First operand 633 states and 856 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 08:27:42,677 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-10 08:27:42,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:27:42,784 INFO L93 Difference]: Finished difference Result 1387 states and 1928 transitions. [2022-01-10 08:27:42,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:27:42,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 159 [2022-01-10 08:27:42,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:27:42,787 INFO L225 Difference]: With dead ends: 1387 [2022-01-10 08:27:42,788 INFO L226 Difference]: Without dead ends: 762 [2022-01-10 08:27:42,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 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 08:27:42,789 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 18 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-01-10 08:27:42,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 266 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 122 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-01-10 08:27:42,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2022-01-10 08:27:42,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 756. [2022-01-10 08:27:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 755 states have (on average 1.3165562913907285) internal successors, (994), 755 states have internal predecessors, (994), 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 08:27:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 994 transitions. [2022-01-10 08:27:42,817 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 994 transitions. Word has length 159 [2022-01-10 08:27:42,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:27:42,818 INFO L470 AbstractCegarLoop]: Abstraction has 756 states and 994 transitions. [2022-01-10 08:27:42,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 08:27:42,818 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 994 transitions. [2022-01-10 08:27:42,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-01-10 08:27:42,819 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:27:42,819 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 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] [2022-01-10 08:27:42,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 08:27:43,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:27:43,052 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:27:43,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:27:43,052 INFO L85 PathProgramCache]: Analyzing trace with hash -2038256227, now seen corresponding path program 1 times [2022-01-10 08:27:43,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:27:43,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708220031] [2022-01-10 08:27:43,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:43,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:27:43,091 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 08:27:43,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2037890127] [2022-01-10 08:27:43,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:43,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:27:43,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 08:27:43,092 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 08:27:43,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-10 08:27:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:27:43,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 08:27:43,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 08:27:43,502 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-01-10 08:27:43,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 08:27:43,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:27:43,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708220031] [2022-01-10 08:27:43,502 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 08:27:43,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037890127] [2022-01-10 08:27:43,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037890127] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:27:43,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:27:43,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:27:43,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509433390] [2022-01-10 08:27:43,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:27:43,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:27:43,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:27:43,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:27:43,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:27:43,504 INFO L87 Difference]: Start difference. First operand 756 states and 994 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 08:27:43,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:27:43,535 INFO L93 Difference]: Finished difference Result 1526 states and 2007 transitions. [2022-01-10 08:27:43,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:27:43,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 165 [2022-01-10 08:27:43,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:27:43,538 INFO L225 Difference]: With dead ends: 1526 [2022-01-10 08:27:43,538 INFO L226 Difference]: Without dead ends: 1012 [2022-01-10 08:27:43,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 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 08:27:43,539 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 119 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 08:27:43,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 319 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 08:27:43,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2022-01-10 08:27:43,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 1012. [2022-01-10 08:27:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 1011 states have (on average 1.3155291790306627) internal successors, (1330), 1011 states have internal predecessors, (1330), 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 08:27:43,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1330 transitions. [2022-01-10 08:27:43,555 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1330 transitions. Word has length 165 [2022-01-10 08:27:43,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:27:43,555 INFO L470 AbstractCegarLoop]: Abstraction has 1012 states and 1330 transitions. [2022-01-10 08:27:43,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 08:27:43,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1330 transitions. [2022-01-10 08:27:43,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-01-10 08:27:43,557 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:27:43,557 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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 08:27:43,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-10 08:27:43,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-01-10 08:27:43,794 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:27:43,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:27:43,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1361441826, now seen corresponding path program 1 times [2022-01-10 08:27:43,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:27:43,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291269140] [2022-01-10 08:27:43,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:43,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:27:43,816 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 08:27:43,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1816122396] [2022-01-10 08:27:43,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:43,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:27:43,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 08:27:43,818 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 08:27:43,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-10 08:27:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:27:43,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 08:27:44,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 08:27:44,262 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-01-10 08:27:44,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 08:27:44,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:27:44,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291269140] [2022-01-10 08:27:44,263 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 08:27:44,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816122396] [2022-01-10 08:27:44,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816122396] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:27:44,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:27:44,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:27:44,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994790853] [2022-01-10 08:27:44,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:27:44,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:27:44,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:27:44,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:27:44,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:27:44,264 INFO L87 Difference]: Start difference. First operand 1012 states and 1330 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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 08:27:45,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-10 08:27:45,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:27:45,939 INFO L93 Difference]: Finished difference Result 2188 states and 2952 transitions. [2022-01-10 08:27:45,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:27:45,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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 201 [2022-01-10 08:27:45,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:27:45,943 INFO L225 Difference]: With dead ends: 2188 [2022-01-10 08:27:45,943 INFO L226 Difference]: Without dead ends: 1136 [2022-01-10 08:27:45,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 199 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 08:27:45,944 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 19 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-10 08:27:45,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 253 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-10 08:27:45,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2022-01-10 08:27:45,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1136. [2022-01-10 08:27:45,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 1135 states have (on average 1.2986784140969163) internal successors, (1474), 1135 states have internal predecessors, (1474), 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 08:27:45,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1474 transitions. [2022-01-10 08:27:45,961 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1474 transitions. Word has length 201 [2022-01-10 08:27:45,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:27:45,962 INFO L470 AbstractCegarLoop]: Abstraction has 1136 states and 1474 transitions. [2022-01-10 08:27:45,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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 08:27:45,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1474 transitions. [2022-01-10 08:27:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-01-10 08:27:45,964 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:27:45,964 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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 08:27:45,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-10 08:27:46,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:27:46,179 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:27:46,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:27:46,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1084647226, now seen corresponding path program 1 times [2022-01-10 08:27:46,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:27:46,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163708917] [2022-01-10 08:27:46,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:46,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:27:46,203 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 08:27:46,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2089495950] [2022-01-10 08:27:46,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:46,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:27:46,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 08:27:46,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 08:27:46,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-10 08:27:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:27:46,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 08:27:46,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 08:27:46,674 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-01-10 08:27:46,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 08:27:46,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:27:46,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163708917] [2022-01-10 08:27:46,674 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 08:27:46,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089495950] [2022-01-10 08:27:46,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089495950] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:27:46,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:27:46,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:27:46,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005894368] [2022-01-10 08:27:46,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:27:46,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:27:46,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:27:46,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:27:46,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:27:46,677 INFO L87 Difference]: Start difference. First operand 1136 states and 1474 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 08:27:48,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-10 08:27:48,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:27:48,812 INFO L93 Difference]: Finished difference Result 2388 states and 3080 transitions. [2022-01-10 08:27:48,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:27:48,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 257 [2022-01-10 08:27:48,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:27:48,817 INFO L225 Difference]: With dead ends: 2388 [2022-01-10 08:27:48,817 INFO L226 Difference]: Without dead ends: 1128 [2022-01-10 08:27:48,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 255 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 08:27:48,819 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 9 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-01-10 08:27:48,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 271 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-01-10 08:27:48,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2022-01-10 08:27:48,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1128. [2022-01-10 08:27:48,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 1127 states have (on average 1.2937000887311447) internal successors, (1458), 1127 states have internal predecessors, (1458), 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 08:27:48,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1458 transitions. [2022-01-10 08:27:48,836 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1458 transitions. Word has length 257 [2022-01-10 08:27:48,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:27:48,836 INFO L470 AbstractCegarLoop]: Abstraction has 1128 states and 1458 transitions. [2022-01-10 08:27:48,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 08:27:48,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1458 transitions. [2022-01-10 08:27:48,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-01-10 08:27:48,839 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:27:48,839 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-01-10 08:27:48,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-01-10 08:27:49,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:27:49,058 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:27:49,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:27:49,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1044348639, now seen corresponding path program 1 times [2022-01-10 08:27:49,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:27:49,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072226144] [2022-01-10 08:27:49,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:49,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:27:49,084 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 08:27:49,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2130415526] [2022-01-10 08:27:49,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:49,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:27:49,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 08:27:49,086 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 08:27:49,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-10 08:27:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:27:49,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 08:27:49,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 08:27:50,080 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-10 08:27:50,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 08:27:50,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:27:50,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072226144] [2022-01-10 08:27:50,081 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 08:27:50,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130415526] [2022-01-10 08:27:50,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130415526] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:27:50,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:27:50,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:27:50,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381441708] [2022-01-10 08:27:50,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:27:50,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:27:50,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:27:50,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:27:50,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:27:50,082 INFO L87 Difference]: Start difference. First operand 1128 states and 1458 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 08:27:50,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:27:50,107 INFO L93 Difference]: Finished difference Result 3264 states and 4226 transitions. [2022-01-10 08:27:50,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:27:50,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 269 [2022-01-10 08:27:50,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:27:50,110 INFO L225 Difference]: With dead ends: 3264 [2022-01-10 08:27:50,110 INFO L226 Difference]: Without dead ends: 1382 [2022-01-10 08:27:50,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 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 08:27:50,112 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 98 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 08:27:50,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 485 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 08:27:50,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2022-01-10 08:27:50,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1380. [2022-01-10 08:27:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 1379 states have (on average 1.2878897751994198) internal successors, (1776), 1379 states have internal predecessors, (1776), 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 08:27:50,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1776 transitions. [2022-01-10 08:27:50,130 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1776 transitions. Word has length 269 [2022-01-10 08:27:50,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:27:50,130 INFO L470 AbstractCegarLoop]: Abstraction has 1380 states and 1776 transitions. [2022-01-10 08:27:50,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 08:27:50,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1776 transitions. [2022-01-10 08:27:50,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-01-10 08:27:50,132 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:27:50,133 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1] [2022-01-10 08:27:50,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-01-10 08:27:50,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-01-10 08:27:50,347 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:27:50,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:27:50,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1726436931, now seen corresponding path program 1 times [2022-01-10 08:27:50,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:27:50,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827260634] [2022-01-10 08:27:50,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:50,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:27:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:27:50,428 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-01-10 08:27:50,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:27:50,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827260634] [2022-01-10 08:27:50,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827260634] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:27:50,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:27:50,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:27:50,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059384745] [2022-01-10 08:27:50,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:27:50,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:27:50,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:27:50,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:27:50,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:27:50,430 INFO L87 Difference]: Start difference. First operand 1380 states and 1776 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 08:27:52,476 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-10 08:27:54,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-10 08:27:54,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:27:54,680 INFO L93 Difference]: Finished difference Result 2922 states and 3820 transitions. [2022-01-10 08:27:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:27:54,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 315 [2022-01-10 08:27:54,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:27:54,699 INFO L225 Difference]: With dead ends: 2922 [2022-01-10 08:27:54,699 INFO L226 Difference]: Without dead ends: 1550 [2022-01-10 08:27:54,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:27:54,701 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 17 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-01-10 08:27:54,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 268 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 103 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2022-01-10 08:27:54,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-01-10 08:27:54,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1515. [2022-01-10 08:27:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1514 states have (on average 1.2787318361955087) internal successors, (1936), 1514 states have internal predecessors, (1936), 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 08:27:54,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 1936 transitions. [2022-01-10 08:27:54,723 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 1936 transitions. Word has length 315 [2022-01-10 08:27:54,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:27:54,723 INFO L470 AbstractCegarLoop]: Abstraction has 1515 states and 1936 transitions. [2022-01-10 08:27:54,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 08:27:54,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1936 transitions. [2022-01-10 08:27:54,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-01-10 08:27:54,727 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:27:54,727 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1] [2022-01-10 08:27:54,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-10 08:27:54,727 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:27:54,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:27:54,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1789515539, now seen corresponding path program 1 times [2022-01-10 08:27:54,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:27:54,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569606072] [2022-01-10 08:27:54,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:54,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:27:54,780 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 08:27:54,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1144083032] [2022-01-10 08:27:54,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:54,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:27:54,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 08:27:54,796 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 08:27:54,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-10 08:27:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:27:55,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 08:27:55,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 08:27:55,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-01-10 08:27:55,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 08:27:55,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:27:55,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569606072] [2022-01-10 08:27:55,448 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 08:27:55,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144083032] [2022-01-10 08:27:55,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144083032] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:27:55,448 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:27:55,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:27:55,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955389626] [2022-01-10 08:27:55,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:27:55,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:27:55,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:27:55,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:27:55,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:27:55,450 INFO L87 Difference]: Start difference. First operand 1515 states and 1936 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 08:27:55,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:27:55,588 INFO L93 Difference]: Finished difference Result 3177 states and 4110 transitions. [2022-01-10 08:27:55,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:27:55,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 338 [2022-01-10 08:27:55,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:27:55,593 INFO L225 Difference]: With dead ends: 3177 [2022-01-10 08:27:55,593 INFO L226 Difference]: Without dead ends: 1670 [2022-01-10 08:27:55,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 336 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 08:27:55,595 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 10 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 08:27:55,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 268 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 08:27:55,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2022-01-10 08:27:55,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1660. [2022-01-10 08:27:55,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1660 states, 1659 states have (on average 1.2694394213381555) internal successors, (2106), 1659 states have internal predecessors, (2106), 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 08:27:55,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2106 transitions. [2022-01-10 08:27:55,622 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2106 transitions. Word has length 338 [2022-01-10 08:27:55,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:27:55,622 INFO L470 AbstractCegarLoop]: Abstraction has 1660 states and 2106 transitions. [2022-01-10 08:27:55,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 08:27:55,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2106 transitions. [2022-01-10 08:27:55,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2022-01-10 08:27:55,624 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:27:55,624 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1] [2022-01-10 08:27:55,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-10 08:27:55,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:27:55,838 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:27:55,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:27:55,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1192168560, now seen corresponding path program 1 times [2022-01-10 08:27:55,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:27:55,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453315875] [2022-01-10 08:27:55,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:27:55,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:27:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:27:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2022-01-10 08:27:56,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:27:56,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453315875] [2022-01-10 08:27:56,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453315875] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:27:56,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:27:56,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:27:56,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979658699] [2022-01-10 08:27:56,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:27:56,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:27:56,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:27:56,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:27:56,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:27:56,029 INFO L87 Difference]: Start difference. First operand 1660 states and 2106 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 08:27:58,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-10 08:28:00,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-10 08:28:00,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:28:00,137 INFO L93 Difference]: Finished difference Result 4954 states and 6279 transitions. [2022-01-10 08:28:00,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:28:00,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 370 [2022-01-10 08:28:00,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:28:00,146 INFO L225 Difference]: With dead ends: 4954 [2022-01-10 08:28:00,146 INFO L226 Difference]: Without dead ends: 3302 [2022-01-10 08:28:00,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:28:00,149 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 122 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-01-10 08:28:00,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 477 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 4.1s Time] [2022-01-10 08:28:00,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3302 states. [2022-01-10 08:28:00,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3302 to 3300. [2022-01-10 08:28:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 3299 states have (on average 1.2652318884510458) internal successors, (4174), 3299 states have internal predecessors, (4174), 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 08:28:00,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 4174 transitions. [2022-01-10 08:28:00,204 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 4174 transitions. Word has length 370 [2022-01-10 08:28:00,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:28:00,204 INFO L470 AbstractCegarLoop]: Abstraction has 3300 states and 4174 transitions. [2022-01-10 08:28:00,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 08:28:00,204 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 4174 transitions. [2022-01-10 08:28:00,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-01-10 08:28:00,208 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:28:00,208 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1] [2022-01-10 08:28:00,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-10 08:28:00,208 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:28:00,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:28:00,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1900961473, now seen corresponding path program 1 times [2022-01-10 08:28:00,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:28:00,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139657953] [2022-01-10 08:28:00,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:28:00,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:28:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:28:00,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-01-10 08:28:00,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:28:00,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139657953] [2022-01-10 08:28:00,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139657953] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 08:28:00,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226652617] [2022-01-10 08:28:00,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:28:00,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:28:00,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 08:28:00,399 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 08:28:00,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-10 08:28:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:28:00,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 1987 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 08:28:00,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 08:28:01,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-01-10 08:28:01,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 08:28:01,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-01-10 08:28:01,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226652617] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 08:28:01,572 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 08:28:01,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-01-10 08:28:01,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315375542] [2022-01-10 08:28:01,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 08:28:01,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 08:28:01,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:28:01,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 08:28:01,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 08:28:01,573 INFO L87 Difference]: Start difference. First operand 3300 states and 4174 transitions. Second operand has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 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 08:28:02,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:28:02,103 INFO L93 Difference]: Finished difference Result 8537 states and 11076 transitions. [2022-01-10 08:28:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-10 08:28:02,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 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 371 [2022-01-10 08:28:02,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:28:02,118 INFO L225 Difference]: With dead ends: 8537 [2022-01-10 08:28:02,119 INFO L226 Difference]: Without dead ends: 5042 [2022-01-10 08:28:02,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 752 GetRequests, 744 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-01-10 08:28:02,131 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 645 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 08:28:02,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [645 Valid, 494 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 08:28:02,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5042 states. [2022-01-10 08:28:02,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5042 to 3939. [2022-01-10 08:28:02,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3939 states, 3938 states have (on average 1.3158963941086845) internal successors, (5182), 3938 states have internal predecessors, (5182), 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 08:28:02,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3939 states and 5182 transitions. [2022-01-10 08:28:02,241 INFO L78 Accepts]: Start accepts. Automaton has 3939 states and 5182 transitions. Word has length 371 [2022-01-10 08:28:02,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:28:02,241 INFO L470 AbstractCegarLoop]: Abstraction has 3939 states and 5182 transitions. [2022-01-10 08:28:02,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 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 08:28:02,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3939 states and 5182 transitions. [2022-01-10 08:28:02,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-01-10 08:28:02,247 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:28:02,247 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2022-01-10 08:28:02,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-10 08:28:02,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:28:02,468 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:28:02,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:28:02,468 INFO L85 PathProgramCache]: Analyzing trace with hash 600612244, now seen corresponding path program 1 times [2022-01-10 08:28:02,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:28:02,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271408626] [2022-01-10 08:28:02,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:28:02,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:28:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:28:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2022-01-10 08:28:02,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:28:02,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271408626] [2022-01-10 08:28:02,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271408626] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:28:02,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:28:02,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:28:02,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828918634] [2022-01-10 08:28:02,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:28:02,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:28:02,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:28:02,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:28:02,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:28:02,574 INFO L87 Difference]: Start difference. First operand 3939 states and 5182 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 08:28:04,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-10 08:28:04,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:28:04,735 INFO L93 Difference]: Finished difference Result 8338 states and 11132 transitions. [2022-01-10 08:28:04,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:28:04,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 471 [2022-01-10 08:28:04,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:28:04,745 INFO L225 Difference]: With dead ends: 8338 [2022-01-10 08:28:04,745 INFO L226 Difference]: Without dead ends: 4407 [2022-01-10 08:28:04,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:28:04,749 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 10 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-01-10 08:28:04,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 268 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 110 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-01-10 08:28:04,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2022-01-10 08:28:04,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 4381. [2022-01-10 08:28:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4381 states, 4380 states have (on average 1.2988584474885845) internal successors, (5689), 4380 states have internal predecessors, (5689), 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 08:28:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4381 states to 4381 states and 5689 transitions. [2022-01-10 08:28:04,810 INFO L78 Accepts]: Start accepts. Automaton has 4381 states and 5689 transitions. Word has length 471 [2022-01-10 08:28:04,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:28:04,810 INFO L470 AbstractCegarLoop]: Abstraction has 4381 states and 5689 transitions. [2022-01-10 08:28:04,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 08:28:04,811 INFO L276 IsEmpty]: Start isEmpty. Operand 4381 states and 5689 transitions. [2022-01-10 08:28:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2022-01-10 08:28:04,815 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:28:04,815 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2022-01-10 08:28:04,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-10 08:28:04,815 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:28:04,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:28:04,815 INFO L85 PathProgramCache]: Analyzing trace with hash 702431370, now seen corresponding path program 1 times [2022-01-10 08:28:04,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:28:04,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953498587] [2022-01-10 08:28:04,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:28:04,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:28:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:28:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2022-01-10 08:28:04,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:28:04,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953498587] [2022-01-10 08:28:04,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953498587] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:28:04,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:28:04,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:28:04,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393881697] [2022-01-10 08:28:04,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:28:04,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:28:04,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:28:04,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:28:04,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:28:04,982 INFO L87 Difference]: Start difference. First operand 4381 states and 5689 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 08:28:05,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:28:05,154 INFO L93 Difference]: Finished difference Result 9248 states and 12198 transitions. [2022-01-10 08:28:05,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:28:05,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 533 [2022-01-10 08:28:05,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:28:05,177 INFO L225 Difference]: With dead ends: 9248 [2022-01-10 08:28:05,177 INFO L226 Difference]: Without dead ends: 4875 [2022-01-10 08:28:05,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:28:05,182 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 10 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 08:28:05,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 268 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 08:28:05,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4875 states. [2022-01-10 08:28:05,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4875 to 4849. [2022-01-10 08:28:05,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4849 states, 4848 states have (on average 1.2834158415841583) internal successors, (6222), 4848 states have internal predecessors, (6222), 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 08:28:05,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4849 states to 4849 states and 6222 transitions. [2022-01-10 08:28:05,266 INFO L78 Accepts]: Start accepts. Automaton has 4849 states and 6222 transitions. Word has length 533 [2022-01-10 08:28:05,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:28:05,266 INFO L470 AbstractCegarLoop]: Abstraction has 4849 states and 6222 transitions. [2022-01-10 08:28:05,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 08:28:05,267 INFO L276 IsEmpty]: Start isEmpty. Operand 4849 states and 6222 transitions. [2022-01-10 08:28:05,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-01-10 08:28:05,272 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:28:05,272 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2022-01-10 08:28:05,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-10 08:28:05,272 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:28:05,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:28:05,273 INFO L85 PathProgramCache]: Analyzing trace with hash -223655148, now seen corresponding path program 1 times [2022-01-10 08:28:05,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:28:05,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715723902] [2022-01-10 08:28:05,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:28:05,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:28:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:28:05,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-01-10 08:28:05,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:28:05,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715723902] [2022-01-10 08:28:05,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715723902] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 08:28:05,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358407864] [2022-01-10 08:28:05,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:28:05,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 08:28:05,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 08:28:05,433 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 08:28:05,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-10 08:28:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:28:05,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 2779 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 08:28:05,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 08:28:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-01-10 08:28:06,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 08:28:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-01-10 08:28:07,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358407864] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 08:28:07,074 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 08:28:07,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-01-10 08:28:07,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274148764] [2022-01-10 08:28:07,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 08:28:07,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 08:28:07,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:28:07,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 08:28:07,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 08:28:07,075 INFO L87 Difference]: Start difference. First operand 4849 states and 6222 transitions. Second operand has 6 states, 6 states have (on average 45.833333333333336) internal successors, (275), 6 states have internal predecessors, (275), 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 08:28:09,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-10 08:28:09,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:28:09,487 INFO L93 Difference]: Finished difference Result 8460 states and 10928 transitions. [2022-01-10 08:28:09,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 08:28:09,488 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 45.833333333333336) internal successors, (275), 6 states have internal predecessors, (275), 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 599 [2022-01-10 08:28:09,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:28:09,488 INFO L225 Difference]: With dead ends: 8460 [2022-01-10 08:28:09,488 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 08:28:09,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1199 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-10 08:28:09,494 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 195 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-10 08:28:09,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 563 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 455 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-01-10 08:28:09,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 08:28:09,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 08:28:09,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 08:28:09,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 08:28:09,495 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 599 [2022-01-10 08:28:09,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:28:09,495 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 08:28:09,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.833333333333336) internal successors, (275), 6 states have internal predecessors, (275), 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 08:28:09,496 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 08:28:09,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 08:28:09,497 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 08:28:09,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-01-10 08:28:09,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-01-10 08:28:09,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 08:28:12,559 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 08:28:12,559 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 08:28:12,559 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2022-01-10 08:28:12,559 INFO L858 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2022-01-10 08:28:12,559 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2022-01-10 08:28:12,560 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2022-01-10 08:28:12,560 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2022-01-10 08:28:12,560 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 74 683) no Hoare annotation was computed. [2022-01-10 08:28:12,560 INFO L861 garLoopResultBuilder]: At program point L681(lines 74 683) the Hoare annotation is: true [2022-01-10 08:28:12,560 INFO L854 garLoopResultBuilder]: At program point L109-2(lines 109 665) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2))) (or (and (= 8560 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|) .cse0) (and (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656) .cse1 .cse0) (and .cse1 .cse0 (= 8656 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse0 (= 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse1 .cse2 (<= 8672 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) .cse2) (and .cse0 (= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8512)) (and .cse0 (= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 3) (and .cse2 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8448) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 3)) (and .cse0 (= 8528 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0))) [2022-01-10 08:28:12,560 INFO L861 garLoopResultBuilder]: At program point L682(lines 19 684) the Hoare annotation is: true [2022-01-10 08:28:12,560 INFO L861 garLoopResultBuilder]: At program point L666(lines 108 667) the Hoare annotation is: true [2022-01-10 08:28:12,560 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-01-10 08:28:12,560 INFO L861 garLoopResultBuilder]: At program point L694(lines 685 696) the Hoare annotation is: true [2022-01-10 08:28:12,560 INFO L858 garLoopResultBuilder]: For program point L670(lines 670 674) no Hoare annotation was computed. [2022-01-10 08:28:12,560 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 634) no Hoare annotation was computed. [2022-01-10 08:28:12,560 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 08:28:12,560 INFO L858 garLoopResultBuilder]: For program point L670-2(lines 670 674) no Hoare annotation was computed. [2022-01-10 08:28:12,560 INFO L861 garLoopResultBuilder]: At program point L113(lines 112 634) the Hoare annotation is: true [2022-01-10 08:28:12,560 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 633) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L861 garLoopResultBuilder]: At program point L222(lines 115 633) the Hoare annotation is: true [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 632) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 631) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 219 596) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 630) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 629) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 219 596) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L854 garLoopResultBuilder]: At program point L131(lines 127 629) the Hoare annotation is: (or (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576)) (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0))) [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 628) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 627) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2022-01-10 08:28:12,561 INFO L854 garLoopResultBuilder]: At program point L597(lines 109 665) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2))) (or (and (= 8560 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|) .cse0) (and (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656) .cse1 .cse0) (and .cse1 .cse0 (= 8656 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse0 (= 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse1 .cse2 (<= 8672 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) .cse2) (and .cse0 (= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8512)) (and .cse0 (= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 3) (and .cse2 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8448) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 3)) (and .cse0 (= 8528 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0))) [2022-01-10 08:28:12,561 INFO L861 garLoopResultBuilder]: At program point L134(lines 133 627) the Hoare annotation is: true [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 626) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L636(lines 636 660) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L635(lines 635 663) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L854 garLoopResultBuilder]: At program point L143(lines 136 626) the Hoare annotation is: (or (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576)) (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0))) [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 625) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 646) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 624) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L639(lines 639 643) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L637-2(lines 636 658) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L299-2(lines 219 596) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 623) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L648(lines 648 654) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L854 garLoopResultBuilder]: At program point L149(lines 145 623) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 622) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 621) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 219 596) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L854 garLoopResultBuilder]: At program point L155(lines 151 621) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 620) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2022-01-10 08:28:12,562 INFO L858 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 619) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L854 garLoopResultBuilder]: At program point L161(lines 157 619) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 618) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 617) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L351-2(lines 219 596) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L854 garLoopResultBuilder]: At program point L167(lines 163 617) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 616) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L854 garLoopResultBuilder]: At program point L373(lines 356 391) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 615) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L854 garLoopResultBuilder]: At program point L407(lines 398 429) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-10 08:28:12,563 INFO L854 garLoopResultBuilder]: At program point L173(lines 169 615) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 614) no Hoare annotation was computed. [2022-01-10 08:28:12,563 INFO L858 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L854 garLoopResultBuilder]: At program point L417(lines 408 428) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 613) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L854 garLoopResultBuilder]: At program point L176(lines 175 613) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8448))) (or (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) .cse0 .cse1) (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 3)) (and .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) .cse1))) [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 612) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L854 garLoopResultBuilder]: At program point L182(lines 178 612) the Hoare annotation is: (let ((.cse0 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656))) (or (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)))) [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 611) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 610) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L854 garLoopResultBuilder]: At program point L188(lines 184 610) the Hoare annotation is: (let ((.cse0 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656))) (or (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)))) [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 609) no Hoare annotation was computed. [2022-01-10 08:28:12,564 INFO L858 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 608) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L854 garLoopResultBuilder]: At program point L194(lines 190 608) the Hoare annotation is: (let ((.cse0 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656))) (or (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)))) [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 607) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 606) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L854 garLoopResultBuilder]: At program point L200(lines 196 606) the Hoare annotation is: (let ((.cse0 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656))) (or (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)))) [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 605) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 604) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L510-2(lines 219 596) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L854 garLoopResultBuilder]: At program point L206(lines 202 604) the Hoare annotation is: (or (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 603) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 535) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 602) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 541) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L854 garLoopResultBuilder]: At program point L212(lines 208 602) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (.cse1 (<= 8672 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|))) (or (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) .cse0 .cse1) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) .cse0 .cse1) (and .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)))) [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L211(lines 211 601) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L537-2(lines 219 596) no Hoare annotation was computed. [2022-01-10 08:28:12,565 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2022-01-10 08:28:12,566 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 600) no Hoare annotation was computed. [2022-01-10 08:28:12,566 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 554) no Hoare annotation was computed. [2022-01-10 08:28:12,566 INFO L854 garLoopResultBuilder]: At program point L560(lines 74 683) the Hoare annotation is: false [2022-01-10 08:28:12,566 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 568) no Hoare annotation was computed. [2022-01-10 08:28:12,566 INFO L861 garLoopResultBuilder]: At program point L215(lines 214 600) the Hoare annotation is: true [2022-01-10 08:28:12,566 INFO L861 garLoopResultBuilder]: At program point L218(lines 217 599) the Hoare annotation is: true [2022-01-10 08:28:12,566 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 677) no Hoare annotation was computed. [2022-01-10 08:28:12,566 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 574) no Hoare annotation was computed. [2022-01-10 08:28:12,566 INFO L858 garLoopResultBuilder]: For program point L580(lines 580 590) no Hoare annotation was computed. [2022-01-10 08:28:12,566 INFO L858 garLoopResultBuilder]: For program point L570-2(lines 570 574) no Hoare annotation was computed. [2022-01-10 08:28:12,566 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 587) no Hoare annotation was computed. [2022-01-10 08:28:12,566 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 580 590) no Hoare annotation was computed. [2022-01-10 08:28:12,568 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 08:28:12,569 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 08:28:12,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 08:28:12 BasicIcfg [2022-01-10 08:28:12,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 08:28:12,613 INFO L158 Benchmark]: Toolchain (without parser) took 39857.34ms. Allocated memory was 229.6MB in the beginning and 442.5MB in the end (delta: 212.9MB). Free memory was 180.0MB in the beginning and 156.4MB in the end (delta: 23.6MB). Peak memory consumption was 255.0MB. Max. memory is 8.0GB. [2022-01-10 08:28:12,613 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 229.6MB. Free memory is still 196.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 08:28:12,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.68ms. Allocated memory is still 229.6MB. Free memory was 179.8MB in the beginning and 201.6MB in the end (delta: -21.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-10 08:28:12,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.33ms. Allocated memory is still 229.6MB. Free memory was 201.6MB in the beginning and 198.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 08:28:12,614 INFO L158 Benchmark]: Boogie Preprocessor took 42.38ms. Allocated memory is still 229.6MB. Free memory was 198.9MB in the beginning and 196.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 08:28:12,614 INFO L158 Benchmark]: RCFGBuilder took 591.27ms. Allocated memory is still 229.6MB. Free memory was 196.8MB in the beginning and 170.1MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-01-10 08:28:12,614 INFO L158 Benchmark]: IcfgTransformer took 292.40ms. Allocated memory is still 229.6MB. Free memory was 170.1MB in the beginning and 112.4MB in the end (delta: 57.6MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-01-10 08:28:12,614 INFO L158 Benchmark]: TraceAbstraction took 38528.86ms. Allocated memory was 229.6MB in the beginning and 442.5MB in the end (delta: 212.9MB). Free memory was 111.9MB in the beginning and 156.4MB in the end (delta: -44.5MB). Peak memory consumption was 187.1MB. Max. memory is 8.0GB. [2022-01-10 08:28:12,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 229.6MB. Free memory is still 196.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 338.68ms. Allocated memory is still 229.6MB. Free memory was 179.8MB in the beginning and 201.6MB in the end (delta: -21.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.33ms. Allocated memory is still 229.6MB. Free memory was 201.6MB in the beginning and 198.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.38ms. Allocated memory is still 229.6MB. Free memory was 198.9MB in the beginning and 196.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 591.27ms. Allocated memory is still 229.6MB. Free memory was 196.8MB in the beginning and 170.1MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * IcfgTransformer took 292.40ms. Allocated memory is still 229.6MB. Free memory was 170.1MB in the beginning and 112.4MB in the end (delta: 57.6MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 38528.86ms. Allocated memory was 229.6MB in the beginning and 442.5MB in the end (delta: 212.9MB). Free memory was 111.9MB in the beginning and 156.4MB in the end (delta: -44.5MB). Peak memory consumption was 187.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 677]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.4s, OverallIterations: 18, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 25.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 1635 SdHoareTripleChecker+Valid, 24.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1635 mSDsluCounter, 6019 SdHoareTripleChecker+Invalid, 23.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2424 mSDsCounter, 339 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2225 IncrementalHoareTripleChecker+Invalid, 2574 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 339 mSolverCounterUnsat, 3595 mSDtfsCounter, 2225 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3371 GetRequests, 3340 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4849occurred in iteration=17, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 1256 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 473 NumberOfFragments, 625 HoareAnnotationTreeSize, 29 FomulaSimplifications, 7109 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 8337 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 5506 NumberOfCodeBlocks, 5506 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 6454 ConstructedInterpolants, 0 QuantifiedInterpolants, 10466 SizeOfPredicates, 3 NumberOfNonLiveVariables, 11193 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 22 InterpolantComputations, 16 PerfectInterpolantSequences, 27311/27467 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((~bvule32(blastFlag, 0bv32) && ~bvult64(s__state, 8656bv32)) || (!(s__hit == 0bv32) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (((~bvule32(blastFlag, 3bv32) && ~bvule32(8672bv32, s__state)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) || (((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8672bv32, s__state))) || (~bvule32(blastFlag, 0bv32) && ~bvule32(8672bv32, s__state)) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((~bvule32(blastFlag, 0bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) && ~bvult64(s__state, 8576bv32)) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(s__state, 8448bv32)) || ((~bvule32(blastFlag, 2bv32) && ~bvule32(s__state, 8448bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((~bvule32(blastFlag, 3bv32) && ~bvule32(s__s3__tmp__next_state___0, 3bv32)) && ~bvule32(s__state, 8448bv32))) || (~bvule32(blastFlag, 0bv32) && ~bvule32(s__state, 8448bv32)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((~bvule32(blastFlag, 2bv32) && 8528bv32 == s__state) || ~bvule32(s__state, 3bv32)) || ~bvule32(blastFlag, 0bv32)) || (~bvule32(blastFlag, 2bv32) && 8496bv32 == s__state)) || ((~bvule32(blastFlag, 3bv32) && ~bvule32(s__s3__tmp__next_state___0, 3bv32)) && ~bvule32(s__state, 8448bv32))) || ((~bvule32(blastFlag, 3bv32) && ~bvule32(8672bv32, s__state)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((~bvule32(blastFlag, 2bv32) && 8656bv32 == s__state) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || (~bvule32(blastFlag, 2bv32) && 8512bv32 == s__state)) || (~bvule32(blastFlag, 2bv32) && 8560bv32 == s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || (~bvule32(blastFlag, 2bv32) && 8544bv32 == s__state) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((~bvule32(blastFlag, 0bv32) && ~bvult64(s__state, 8656bv32)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((~bvule32(blastFlag, 2bv32) && 8528bv32 == s__state) || ~bvule32(s__state, 3bv32)) || ~bvule32(blastFlag, 0bv32)) || (~bvule32(blastFlag, 2bv32) && 8496bv32 == s__state)) || ((~bvule32(blastFlag, 3bv32) && ~bvule32(s__s3__tmp__next_state___0, 3bv32)) && ~bvule32(s__state, 8448bv32))) || ((~bvule32(blastFlag, 3bv32) && ~bvule32(8672bv32, s__state)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((~bvule32(blastFlag, 2bv32) && 8656bv32 == s__state) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || (~bvule32(blastFlag, 2bv32) && 8512bv32 == s__state)) || (~bvule32(blastFlag, 2bv32) && 8560bv32 == s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || (~bvule32(blastFlag, 2bv32) && 8544bv32 == s__state) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((~bvule32(blastFlag, 0bv32) && ~bvult64(s__state, 8656bv32)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((~bvule32(blastFlag, 0bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) && ~bvult64(s__state, 8576bv32)) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((~bvule32(blastFlag, 0bv32) && ~bvult64(s__state, 8656bv32)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 0bv32) || (~bvule32(blastFlag, 2bv32) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) RESULT: Ultimate proved your program to be correct! [2022-01-10 08:28:12,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...