/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_alt.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-09 21:57:44,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-09 21:57:44,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-09 21:57:44,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-09 21:57:44,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-09 21:57:44,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-09 21:57:44,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-09 21:57:44,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-09 21:57:44,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-09 21:57:44,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-09 21:57:44,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-09 21:57:44,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-09 21:57:44,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-09 21:57:44,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-09 21:57:44,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-09 21:57:44,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-09 21:57:44,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-09 21:57:44,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-09 21:57:44,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-09 21:57:44,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-09 21:57:44,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-09 21:57:44,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-09 21:57:44,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-09 21:57:44,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-09 21:57:44,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-09 21:57:44,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-09 21:57:44,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-09 21:57:44,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-09 21:57:44,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-09 21:57:44,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-09 21:57:44,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-09 21:57:44,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-09 21:57:44,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-09 21:57:44,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-09 21:57:44,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-09 21:57:44,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-09 21:57:44,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-09 21:57:44,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-09 21:57:44,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-09 21:57:44,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-09 21:57:44,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-09 21:57:44,469 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 [2022-01-09 21:57:44,498 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-09 21:57:44,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-09 21:57:44,498 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-09 21:57:44,498 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-09 21:57:44,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-09 21:57:44,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-09 21:57:44,500 INFO L138 SettingsManager]: * Use SBE=true [2022-01-09 21:57:44,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-09 21:57:44,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-09 21:57:44,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-09 21:57:44,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-09 21:57:44,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-09 21:57:44,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-09 21:57:44,501 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-09 21:57:44,501 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-09 21:57:44,501 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-09 21:57:44,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-09 21:57:44,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-09 21:57:44,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-09 21:57:44,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-09 21:57:44,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-09 21:57:44,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-09 21:57:44,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-09 21:57:44,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-09 21:57:44,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-09 21:57:44,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-09 21:57:44,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-09 21:57:44,502 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-09 21:57:44,502 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-09 21:57:44,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-09 21:57:44,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-09 21:57:44,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-09 21:57:44,503 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-09 21:57:44,503 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-09 21:57:44,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-09 21:57:44,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-09 21:57:44,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-09 21:57:44,720 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-09 21:57:44,720 INFO L275 PluginConnector]: CDTParser initialized [2022-01-09 21:57:44,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2022-01-09 21:57:44,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a357f5f5/c27d530e3b2742eeaf722fb179bdad25/FLAG9b509ce15 [2022-01-09 21:57:45,151 INFO L306 CDTParser]: Found 1 translation units. [2022-01-09 21:57:45,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2022-01-09 21:57:45,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a357f5f5/c27d530e3b2742eeaf722fb179bdad25/FLAG9b509ce15 [2022-01-09 21:57:45,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a357f5f5/c27d530e3b2742eeaf722fb179bdad25 [2022-01-09 21:57:45,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-09 21:57:45,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-09 21:57:45,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-09 21:57:45,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-09 21:57:45,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-09 21:57:45,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:57:45" (1/1) ... [2022-01-09 21:57:45,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501b43fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:57:45, skipping insertion in model container [2022-01-09 21:57:45,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:57:45" (1/1) ... [2022-01-09 21:57:45,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-09 21:57:45,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-09 21:57:45,436 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_alt.BV.c.cil.c[44628,44641] [2022-01-09 21:57:45,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-09 21:57:45,456 INFO L203 MainTranslator]: Completed pre-run [2022-01-09 21:57:45,507 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_alt.BV.c.cil.c[44628,44641] [2022-01-09 21:57:45,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-09 21:57:45,524 INFO L208 MainTranslator]: Completed translation [2022-01-09 21:57:45,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:57:45 WrapperNode [2022-01-09 21:57:45,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-09 21:57:45,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-09 21:57:45,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-09 21:57:45,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-09 21:57:45,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:57:45" (1/1) ... [2022-01-09 21:57:45,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:57:45" (1/1) ... [2022-01-09 21:57:45,581 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 479 [2022-01-09 21:57:45,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-09 21:57:45,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-09 21:57:45,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-09 21:57:45,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-09 21:57:45,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:57:45" (1/1) ... [2022-01-09 21:57:45,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:57:45" (1/1) ... [2022-01-09 21:57:45,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:57:45" (1/1) ... [2022-01-09 21:57:45,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:57:45" (1/1) ... [2022-01-09 21:57:45,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:57:45" (1/1) ... [2022-01-09 21:57:45,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:57:45" (1/1) ... [2022-01-09 21:57:45,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:57:45" (1/1) ... [2022-01-09 21:57:45,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-09 21:57:45,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-09 21:57:45,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-09 21:57:45,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-09 21:57:45,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:57:45" (1/1) ... [2022-01-09 21:57:45,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-09 21:57:45,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 21:57:45,660 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) [2022-01-09 21:57:45,674 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 [2022-01-09 21:57:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-09 21:57:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-09 21:57:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-09 21:57:45,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-09 21:57:45,799 INFO L234 CfgBuilder]: Building ICFG [2022-01-09 21:57:45,800 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-09 21:57:45,809 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-09 21:57:46,235 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-01-09 21:57:46,235 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-01-09 21:57:46,235 INFO L275 CfgBuilder]: Performing block encoding [2022-01-09 21:57:46,241 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-09 21:57:46,241 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-09 21:57:46,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:57:46 BoogieIcfgContainer [2022-01-09 21:57:46,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-09 21:57:46,243 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-09 21:57:46,243 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-09 21:57:46,245 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-09 21:57:46,247 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:57:46" (1/1) ... [2022-01-09 21:57:46,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 09.01 09:57:46 BasicIcfg [2022-01-09 21:57:46,498 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-09 21:57:46,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-09 21:57:46,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-09 21:57:46,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-09 21:57:46,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:57:45" (1/4) ... [2022-01-09 21:57:46,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792524b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:57:46, skipping insertion in model container [2022-01-09 21:57:46,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:57:45" (2/4) ... [2022-01-09 21:57:46,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792524b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:57:46, skipping insertion in model container [2022-01-09 21:57:46,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:57:46" (3/4) ... [2022-01-09 21:57:46,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792524b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:57:46, skipping insertion in model container [2022-01-09 21:57:46,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 09.01 09:57:46" (4/4) ... [2022-01-09 21:57:46,505 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.cTransformedIcfg [2022-01-09 21:57:46,510 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-09 21:57:46,510 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-09 21:57:46,552 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-09 21:57:46,558 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 [2022-01-09 21:57:46,558 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-09 21:57:46,570 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) [2022-01-09 21:57:46,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-09 21:57:46,578 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:57:46,579 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] [2022-01-09 21:57:46,579 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:57:46,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:57:46,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1609706479, now seen corresponding path program 1 times [2022-01-09 21:57:46,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:57:46,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578297649] [2022-01-09 21:57:46,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:57:46,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:57:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:57:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 21:57:46,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:57:46,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578297649] [2022-01-09 21:57:46,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578297649] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:57:46,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:57:46,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:57:46,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714112028] [2022-01-09 21:57:46,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:57:46,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:57:46,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:57:46,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:57:46,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:57:46,919 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) [2022-01-09 21:57:47,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:57:47,140 INFO L93 Difference]: Finished difference Result 383 states and 657 transitions. [2022-01-09 21:57:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:57:47,142 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 [2022-01-09 21:57:47,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:57:47,151 INFO L225 Difference]: With dead ends: 383 [2022-01-09 21:57:47,151 INFO L226 Difference]: Without dead ends: 217 [2022-01-09 21:57:47,154 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 [2022-01-09 21:57:47,156 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 170 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-01-09 21:57:47,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 415 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-09 21:57:47,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-01-09 21:57:47,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-01-09 21:57:47,199 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) [2022-01-09 21:57:47,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 329 transitions. [2022-01-09 21:57:47,201 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 329 transitions. Word has length 44 [2022-01-09 21:57:47,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:57:47,202 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 329 transitions. [2022-01-09 21:57:47,202 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) [2022-01-09 21:57:47,202 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 329 transitions. [2022-01-09 21:57:47,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-09 21:57:47,204 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:57:47,204 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] [2022-01-09 21:57:47,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-09 21:57:47,204 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:57:47,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:57:47,205 INFO L85 PathProgramCache]: Analyzing trace with hash -843414403, now seen corresponding path program 1 times [2022-01-09 21:57:47,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:57:47,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366747660] [2022-01-09 21:57:47,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:57:47,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:57:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:57:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 21:57:47,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:57:47,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366747660] [2022-01-09 21:57:47,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366747660] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:57:47,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:57:47,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:57:47,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115738352] [2022-01-09 21:57:47,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:57:47,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:57:47,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:57:47,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:57:47,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:57:47,293 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) [2022-01-09 21:57:47,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:57:47,999 INFO L93 Difference]: Finished difference Result 352 states and 535 transitions. [2022-01-09 21:57:48,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:57:48,000 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 [2022-01-09 21:57:48,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:57:48,001 INFO L225 Difference]: With dead ends: 352 [2022-01-09 21:57:48,001 INFO L226 Difference]: Without dead ends: 246 [2022-01-09 21:57:48,002 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 [2022-01-09 21:57:48,003 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 13 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-01-09 21:57:48,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 271 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-09 21:57:48,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-01-09 21:57:48,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 238. [2022-01-09 21:57:48,011 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) [2022-01-09 21:57:48,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 355 transitions. [2022-01-09 21:57:48,012 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 355 transitions. Word has length 60 [2022-01-09 21:57:48,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:57:48,012 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 355 transitions. [2022-01-09 21:57:48,012 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) [2022-01-09 21:57:48,012 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 355 transitions. [2022-01-09 21:57:48,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-09 21:57:48,014 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:57:48,015 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] [2022-01-09 21:57:48,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-09 21:57:48,015 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:57:48,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:57:48,015 INFO L85 PathProgramCache]: Analyzing trace with hash 716439703, now seen corresponding path program 1 times [2022-01-09 21:57:48,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:57:48,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863496539] [2022-01-09 21:57:48,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:57:48,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:57:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:57:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-09 21:57:48,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:57:48,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863496539] [2022-01-09 21:57:48,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863496539] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:57:48,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:57:48,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:57:48,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655608807] [2022-01-09 21:57:48,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:57:48,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:57:48,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:57:48,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:57:48,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:57:48,065 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) [2022-01-09 21:57:50,112 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 [] [2022-01-09 21:57:50,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:57:50,230 INFO L93 Difference]: Finished difference Result 560 states and 853 transitions. [2022-01-09 21:57:50,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:57:50,231 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 [2022-01-09 21:57:50,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:57:50,232 INFO L225 Difference]: With dead ends: 560 [2022-01-09 21:57:50,232 INFO L226 Difference]: Without dead ends: 330 [2022-01-09 21:57:50,233 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 [2022-01-09 21:57:50,234 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 14 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 28 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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 [2022-01-09 21:57:50,234 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] [2022-01-09 21:57:50,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-01-09 21:57:50,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 322. [2022-01-09 21:57:50,241 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) [2022-01-09 21:57:50,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 449 transitions. [2022-01-09 21:57:50,242 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 449 transitions. Word has length 81 [2022-01-09 21:57:50,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:57:50,242 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 449 transitions. [2022-01-09 21:57:50,243 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) [2022-01-09 21:57:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 449 transitions. [2022-01-09 21:57:50,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-09 21:57:50,244 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:57:50,244 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] [2022-01-09 21:57:50,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-09 21:57:50,245 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:57:50,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:57:50,245 INFO L85 PathProgramCache]: Analyzing trace with hash 840512950, now seen corresponding path program 1 times [2022-01-09 21:57:50,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:57:50,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548973140] [2022-01-09 21:57:50,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:57:50,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:57:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:57:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-09 21:57:50,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:57:50,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548973140] [2022-01-09 21:57:50,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548973140] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:57:50,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:57:50,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:57:50,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072602597] [2022-01-09 21:57:50,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:57:50,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:57:50,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:57:50,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:57:50,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:57:50,283 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) [2022-01-09 21:57:52,323 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 [] [2022-01-09 21:57:52,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:57:52,510 INFO L93 Difference]: Finished difference Result 688 states and 968 transitions. [2022-01-09 21:57:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:57:52,512 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 [2022-01-09 21:57:52,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:57:52,514 INFO L225 Difference]: With dead ends: 688 [2022-01-09 21:57:52,514 INFO L226 Difference]: Without dead ends: 374 [2022-01-09 21:57:52,515 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 [2022-01-09 21:57:52,515 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 12 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-01-09 21:57:52,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 272 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-01-09 21:57:52,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2022-01-09 21:57:52,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 368. [2022-01-09 21:57:52,521 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) [2022-01-09 21:57:52,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 505 transitions. [2022-01-09 21:57:52,522 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 505 transitions. Word has length 81 [2022-01-09 21:57:52,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:57:52,523 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 505 transitions. [2022-01-09 21:57:52,523 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) [2022-01-09 21:57:52,523 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 505 transitions. [2022-01-09 21:57:52,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-01-09 21:57:52,524 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:57:52,524 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] [2022-01-09 21:57:52,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-09 21:57:52,524 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:57:52,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:57:52,524 INFO L85 PathProgramCache]: Analyzing trace with hash 24767435, now seen corresponding path program 1 times [2022-01-09 21:57:52,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:57:52,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240241201] [2022-01-09 21:57:52,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:57:52,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:57:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:57:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-09 21:57:52,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:57:52,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240241201] [2022-01-09 21:57:52,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240241201] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:57:52,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:57:52,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:57:52,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427301492] [2022-01-09 21:57:52,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:57:52,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:57:52,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:57:52,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:57:52,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:57:52,597 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) [2022-01-09 21:57:52,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:57:52,776 INFO L93 Difference]: Finished difference Result 802 states and 1120 transitions. [2022-01-09 21:57:52,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:57:52,777 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 [2022-01-09 21:57:52,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:57:52,778 INFO L225 Difference]: With dead ends: 802 [2022-01-09 21:57:52,779 INFO L226 Difference]: Without dead ends: 442 [2022-01-09 21:57:52,779 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 [2022-01-09 21:57:52,780 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 [2022-01-09 21:57:52,780 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] [2022-01-09 21:57:52,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-01-09 21:57:52,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 418. [2022-01-09 21:57:52,786 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) [2022-01-09 21:57:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 565 transitions. [2022-01-09 21:57:52,787 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 565 transitions. Word has length 101 [2022-01-09 21:57:52,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:57:52,787 INFO L470 AbstractCegarLoop]: Abstraction has 418 states and 565 transitions. [2022-01-09 21:57:52,787 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) [2022-01-09 21:57:52,787 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 565 transitions. [2022-01-09 21:57:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-09 21:57:52,788 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:57:52,788 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] [2022-01-09 21:57:52,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-09 21:57:52,789 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:57:52,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:57:52,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1750251804, now seen corresponding path program 1 times [2022-01-09 21:57:52,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:57:52,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591913424] [2022-01-09 21:57:52,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:57:52,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:57:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:57:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-09 21:57:52,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:57:52,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591913424] [2022-01-09 21:57:52,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591913424] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:57:52,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:57:52,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:57:52,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392411937] [2022-01-09 21:57:52,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:57:52,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:57:52,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:57:52,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:57:52,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:57:52,873 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) [2022-01-09 21:57:53,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:57:53,042 INFO L93 Difference]: Finished difference Result 635 states and 858 transitions. [2022-01-09 21:57:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:57:53,043 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 [2022-01-09 21:57:53,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:57:53,045 INFO L225 Difference]: With dead ends: 635 [2022-01-09 21:57:53,045 INFO L226 Difference]: Without dead ends: 633 [2022-01-09 21:57:53,045 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 [2022-01-09 21:57:53,046 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 126 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-01-09 21:57:53,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 318 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-09 21:57:53,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2022-01-09 21:57:53,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2022-01-09 21:57:53,055 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) [2022-01-09 21:57:53,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 856 transitions. [2022-01-09 21:57:53,056 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 856 transitions. Word has length 121 [2022-01-09 21:57:53,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:57:53,056 INFO L470 AbstractCegarLoop]: Abstraction has 633 states and 856 transitions. [2022-01-09 21:57:53,056 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) [2022-01-09 21:57:53,056 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 856 transitions. [2022-01-09 21:57:53,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-01-09 21:57:53,057 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:57:53,058 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] [2022-01-09 21:57:53,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-09 21:57:53,058 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:57:53,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:57:53,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1590266835, now seen corresponding path program 1 times [2022-01-09 21:57:53,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:57:53,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745508205] [2022-01-09 21:57:53,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:57:53,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:57:53,076 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-09 21:57:53,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [821699874] [2022-01-09 21:57:53,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:57:53,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 21:57:53,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 21:57:53,078 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) [2022-01-09 21:57:53,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-09 21:57:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:57:53,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-09 21:57:53,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 21:57:53,472 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-09 21:57:53,472 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 21:57:53,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:57:53,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745508205] [2022-01-09 21:57:53,473 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-09 21:57:53,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821699874] [2022-01-09 21:57:53,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821699874] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:57:53,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:57:53,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:57:53,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962801941] [2022-01-09 21:57:53,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:57:53,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:57:53,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:57:53,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:57:53,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:57:53,474 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) [2022-01-09 21:57:55,512 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 [] [2022-01-09 21:57:55,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:57:55,689 INFO L93 Difference]: Finished difference Result 1387 states and 1928 transitions. [2022-01-09 21:57:55,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:57:55,691 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 [2022-01-09 21:57:55,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:57:55,694 INFO L225 Difference]: With dead ends: 1387 [2022-01-09 21:57:55,694 INFO L226 Difference]: Without dead ends: 762 [2022-01-09 21:57:55,695 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 [2022-01-09 21:57:55,695 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 18 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-01-09 21:57:55,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 266 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 122 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-01-09 21:57:55,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2022-01-09 21:57:55,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 756. [2022-01-09 21:57:55,706 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) [2022-01-09 21:57:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 994 transitions. [2022-01-09 21:57:55,707 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 994 transitions. Word has length 159 [2022-01-09 21:57:55,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:57:55,707 INFO L470 AbstractCegarLoop]: Abstraction has 756 states and 994 transitions. [2022-01-09 21:57:55,707 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) [2022-01-09 21:57:55,708 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 994 transitions. [2022-01-09 21:57:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-01-09 21:57:55,709 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:57:55,709 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] [2022-01-09 21:57:55,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-09 21:57:55,923 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 [2022-01-09 21:57:55,924 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:57:55,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:57:55,924 INFO L85 PathProgramCache]: Analyzing trace with hash -2038256227, now seen corresponding path program 1 times [2022-01-09 21:57:55,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:57:55,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156004215] [2022-01-09 21:57:55,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:57:55,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:57:55,961 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-09 21:57:55,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [673595301] [2022-01-09 21:57:55,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:57:55,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 21:57:55,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 21:57:55,963 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) [2022-01-09 21:57:55,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-09 21:57:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:57:56,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-09 21:57:56,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 21:57:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-01-09 21:57:56,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 21:57:56,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:57:56,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156004215] [2022-01-09 21:57:56,406 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-09 21:57:56,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673595301] [2022-01-09 21:57:56,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673595301] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:57:56,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:57:56,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:57:56,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149551746] [2022-01-09 21:57:56,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:57:56,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:57:56,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:57:56,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:57:56,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:57:56,408 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) [2022-01-09 21:57:58,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-01-09 21:57:58,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:57:58,333 INFO L93 Difference]: Finished difference Result 1526 states and 2007 transitions. [2022-01-09 21:57:58,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:57:58,333 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 [2022-01-09 21:57:58,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:57:58,337 INFO L225 Difference]: With dead ends: 1526 [2022-01-09 21:57:58,337 INFO L226 Difference]: Without dead ends: 1012 [2022-01-09 21:57:58,338 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 [2022-01-09 21:57:58,338 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 119 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-01-09 21:57:58,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 319 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-09 21:57:58,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2022-01-09 21:57:58,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 1012. [2022-01-09 21:57:58,351 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) [2022-01-09 21:57:58,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1330 transitions. [2022-01-09 21:57:58,353 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1330 transitions. Word has length 165 [2022-01-09 21:57:58,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:57:58,353 INFO L470 AbstractCegarLoop]: Abstraction has 1012 states and 1330 transitions. [2022-01-09 21:57:58,353 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) [2022-01-09 21:57:58,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1330 transitions. [2022-01-09 21:57:58,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-01-09 21:57:58,355 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:57:58,355 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] [2022-01-09 21:57:58,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-09 21:57:58,572 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 [2022-01-09 21:57:58,572 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:57:58,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:57:58,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1361441826, now seen corresponding path program 1 times [2022-01-09 21:57:58,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:57:58,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048627397] [2022-01-09 21:57:58,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:57:58,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:57:58,601 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-09 21:57:58,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [667165043] [2022-01-09 21:57:58,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:57:58,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 21:57:58,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 21:57:58,602 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) [2022-01-09 21:57:58,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-09 21:57:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:57:58,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-09 21:57:58,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 21:57:58,945 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-01-09 21:57:58,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 21:57:58,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:57:58,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048627397] [2022-01-09 21:57:58,946 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-09 21:57:58,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667165043] [2022-01-09 21:57:58,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667165043] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:57:58,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:57:58,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:57:58,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636486593] [2022-01-09 21:57:58,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:57:58,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:57:58,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:57:58,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:57:58,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:57:58,947 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) [2022-01-09 21:58:00,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-09 21:58:00,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:58:00,394 INFO L93 Difference]: Finished difference Result 2188 states and 2952 transitions. [2022-01-09 21:58:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:58:00,395 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 [2022-01-09 21:58:00,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:58:00,398 INFO L225 Difference]: With dead ends: 2188 [2022-01-09 21:58:00,399 INFO L226 Difference]: Without dead ends: 1136 [2022-01-09 21:58:00,400 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 [2022-01-09 21:58:00,401 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 19 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-01-09 21:58:00,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 253 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-09 21:58:00,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2022-01-09 21:58:00,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1136. [2022-01-09 21:58:00,416 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) [2022-01-09 21:58:00,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1474 transitions. [2022-01-09 21:58:00,417 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1474 transitions. Word has length 201 [2022-01-09 21:58:00,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:58:00,418 INFO L470 AbstractCegarLoop]: Abstraction has 1136 states and 1474 transitions. [2022-01-09 21:58:00,418 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) [2022-01-09 21:58:00,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1474 transitions. [2022-01-09 21:58:00,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-01-09 21:58:00,420 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:58:00,420 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] [2022-01-09 21:58:00,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-09 21:58:00,637 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 [2022-01-09 21:58:00,637 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:58:00,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:58:00,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1084647226, now seen corresponding path program 1 times [2022-01-09 21:58:00,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:58:00,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430552102] [2022-01-09 21:58:00,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:00,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:58:00,678 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-09 21:58:00,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1317252661] [2022-01-09 21:58:00,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:00,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 21:58:00,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 21:58:00,680 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) [2022-01-09 21:58:00,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-09 21:58:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:58:00,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-09 21:58:00,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 21:58:01,132 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-01-09 21:58:01,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 21:58:01,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:58:01,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430552102] [2022-01-09 21:58:01,133 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-09 21:58:01,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317252661] [2022-01-09 21:58:01,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317252661] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:58:01,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:58:01,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:58:01,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735026131] [2022-01-09 21:58:01,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:58:01,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:58:01,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:58:01,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:58:01,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:58:01,134 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) [2022-01-09 21:58:01,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:58:01,245 INFO L93 Difference]: Finished difference Result 2388 states and 3080 transitions. [2022-01-09 21:58:01,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:58:01,247 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 [2022-01-09 21:58:01,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:58:01,250 INFO L225 Difference]: With dead ends: 2388 [2022-01-09 21:58:01,250 INFO L226 Difference]: Without dead ends: 1128 [2022-01-09 21:58:01,251 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 [2022-01-09 21:58:01,252 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 9 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 21:58:01,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 271 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 21:58:01,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2022-01-09 21:58:01,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1128. [2022-01-09 21:58:01,266 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) [2022-01-09 21:58:01,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1458 transitions. [2022-01-09 21:58:01,268 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1458 transitions. Word has length 257 [2022-01-09 21:58:01,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:58:01,269 INFO L470 AbstractCegarLoop]: Abstraction has 1128 states and 1458 transitions. [2022-01-09 21:58:01,269 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) [2022-01-09 21:58:01,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1458 transitions. [2022-01-09 21:58:01,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-01-09 21:58:01,271 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:58:01,271 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] [2022-01-09 21:58:01,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-01-09 21:58:01,489 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 [2022-01-09 21:58:01,489 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:58:01,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:58:01,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1044348639, now seen corresponding path program 1 times [2022-01-09 21:58:01,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:58:01,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131058818] [2022-01-09 21:58:01,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:01,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:58:01,527 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-09 21:58:01,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [539357341] [2022-01-09 21:58:01,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:01,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 21:58:01,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 21:58:01,533 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) [2022-01-09 21:58:01,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-09 21:58:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:58:01,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-09 21:58:01,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 21:58:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-09 21:58:02,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 21:58:02,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:58:02,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131058818] [2022-01-09 21:58:02,405 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-09 21:58:02,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539357341] [2022-01-09 21:58:02,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539357341] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:58:02,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:58:02,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:58:02,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897950110] [2022-01-09 21:58:02,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:58:02,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:58:02,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:58:02,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:58:02,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:58:02,407 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) [2022-01-09 21:58:02,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:58:02,438 INFO L93 Difference]: Finished difference Result 3264 states and 4226 transitions. [2022-01-09 21:58:02,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:58:02,439 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 [2022-01-09 21:58:02,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:58:02,442 INFO L225 Difference]: With dead ends: 3264 [2022-01-09 21:58:02,443 INFO L226 Difference]: Without dead ends: 1382 [2022-01-09 21:58:02,445 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 [2022-01-09 21:58:02,445 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 [2022-01-09 21:58:02,445 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] [2022-01-09 21:58:02,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2022-01-09 21:58:02,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1380. [2022-01-09 21:58:02,463 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) [2022-01-09 21:58:02,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1776 transitions. [2022-01-09 21:58:02,466 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1776 transitions. Word has length 269 [2022-01-09 21:58:02,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:58:02,466 INFO L470 AbstractCegarLoop]: Abstraction has 1380 states and 1776 transitions. [2022-01-09 21:58:02,466 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) [2022-01-09 21:58:02,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1776 transitions. [2022-01-09 21:58:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-01-09 21:58:02,469 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:58:02,469 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] [2022-01-09 21:58:02,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-09 21:58:02,686 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 [2022-01-09 21:58:02,687 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:58:02,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:58:02,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1726436931, now seen corresponding path program 1 times [2022-01-09 21:58:02,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:58:02,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967029615] [2022-01-09 21:58:02,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:02,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:58:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:58:02,801 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-01-09 21:58:02,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:58:02,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967029615] [2022-01-09 21:58:02,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967029615] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:58:02,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:58:02,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:58:02,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734498660] [2022-01-09 21:58:02,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:58:02,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:58:02,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:58:02,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:58:02,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:58:02,805 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) [2022-01-09 21:58:04,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-09 21:58:06,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-09 21:58:06,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:58:06,954 INFO L93 Difference]: Finished difference Result 2922 states and 3820 transitions. [2022-01-09 21:58:06,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:58:06,955 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 [2022-01-09 21:58:06,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:58:06,959 INFO L225 Difference]: With dead ends: 2922 [2022-01-09 21:58:06,959 INFO L226 Difference]: Without dead ends: 1550 [2022-01-09 21:58:06,960 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 [2022-01-09 21:58:06,961 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 17 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.1s IncrementalHoareTripleChecker+Time [2022-01-09 21:58:06,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 268 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 103 Invalid, 2 Unknown, 0 Unchecked, 4.1s Time] [2022-01-09 21:58:06,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-01-09 21:58:06,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1515. [2022-01-09 21:58:06,978 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) [2022-01-09 21:58:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 1936 transitions. [2022-01-09 21:58:06,981 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 1936 transitions. Word has length 315 [2022-01-09 21:58:06,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:58:06,981 INFO L470 AbstractCegarLoop]: Abstraction has 1515 states and 1936 transitions. [2022-01-09 21:58:06,981 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) [2022-01-09 21:58:06,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1936 transitions. [2022-01-09 21:58:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-01-09 21:58:06,984 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:58:06,984 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] [2022-01-09 21:58:06,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-09 21:58:06,984 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:58:06,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:58:06,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1789515539, now seen corresponding path program 1 times [2022-01-09 21:58:06,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:58:06,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355700326] [2022-01-09 21:58:06,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:06,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:58:07,025 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-09 21:58:07,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1254946438] [2022-01-09 21:58:07,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:07,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 21:58:07,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 21:58:07,027 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) [2022-01-09 21:58:07,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-09 21:58:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:58:07,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-09 21:58:07,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 21:58:07,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-01-09 21:58:07,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 21:58:07,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:58:07,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355700326] [2022-01-09 21:58:07,624 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-09 21:58:07,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254946438] [2022-01-09 21:58:07,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254946438] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:58:07,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:58:07,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:58:07,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266211729] [2022-01-09 21:58:07,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:58:07,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:58:07,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:58:07,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:58:07,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:58:07,625 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) [2022-01-09 21:58:07,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:58:07,734 INFO L93 Difference]: Finished difference Result 3177 states and 4110 transitions. [2022-01-09 21:58:07,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:58:07,734 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 [2022-01-09 21:58:07,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:58:07,738 INFO L225 Difference]: With dead ends: 3177 [2022-01-09 21:58:07,738 INFO L226 Difference]: Without dead ends: 1670 [2022-01-09 21:58:07,740 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 [2022-01-09 21:58:07,740 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 [2022-01-09 21:58:07,740 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] [2022-01-09 21:58:07,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2022-01-09 21:58:07,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1660. [2022-01-09 21:58:07,760 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) [2022-01-09 21:58:07,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2106 transitions. [2022-01-09 21:58:07,762 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2106 transitions. Word has length 338 [2022-01-09 21:58:07,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:58:07,762 INFO L470 AbstractCegarLoop]: Abstraction has 1660 states and 2106 transitions. [2022-01-09 21:58:07,763 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) [2022-01-09 21:58:07,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2106 transitions. [2022-01-09 21:58:07,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2022-01-09 21:58:07,766 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:58:07,766 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] [2022-01-09 21:58:07,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-09 21:58:07,979 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 [2022-01-09 21:58:07,979 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:58:07,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:58:07,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1192168560, now seen corresponding path program 1 times [2022-01-09 21:58:07,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:58:07,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562970314] [2022-01-09 21:58:07,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:07,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:58:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:58:08,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2022-01-09 21:58:08,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:58:08,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562970314] [2022-01-09 21:58:08,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562970314] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:58:08,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:58:08,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:58:08,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349608098] [2022-01-09 21:58:08,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:58:08,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:58:08,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:58:08,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:58:08,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:58:08,121 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) [2022-01-09 21:58:10,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-09 21:58:12,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-09 21:58:14,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-09 21:58:14,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:58:14,215 INFO L93 Difference]: Finished difference Result 4944 states and 6269 transitions. [2022-01-09 21:58:14,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:58:14,215 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 [2022-01-09 21:58:14,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:58:14,223 INFO L225 Difference]: With dead ends: 4944 [2022-01-09 21:58:14,223 INFO L226 Difference]: Without dead ends: 3292 [2022-01-09 21:58:14,224 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 [2022-01-09 21:58:14,225 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 118 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-01-09 21:58:14,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 484 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 3 Unknown, 0 Unchecked, 6.1s Time] [2022-01-09 21:58:14,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3292 states. [2022-01-09 21:58:14,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3292 to 3290. [2022-01-09 21:58:14,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3290 states, 3289 states have (on average 1.2660383095165704) internal successors, (4164), 3289 states have internal predecessors, (4164), 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) [2022-01-09 21:58:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 4164 transitions. [2022-01-09 21:58:14,293 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 4164 transitions. Word has length 370 [2022-01-09 21:58:14,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:58:14,294 INFO L470 AbstractCegarLoop]: Abstraction has 3290 states and 4164 transitions. [2022-01-09 21:58:14,294 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) [2022-01-09 21:58:14,294 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 4164 transitions. [2022-01-09 21:58:14,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-01-09 21:58:14,298 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:58:14,298 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] [2022-01-09 21:58:14,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-09 21:58:14,299 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:58:14,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:58:14,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1900961473, now seen corresponding path program 1 times [2022-01-09 21:58:14,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:58:14,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200613642] [2022-01-09 21:58:14,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:14,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:58:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:58:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-01-09 21:58:14,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:58:14,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200613642] [2022-01-09 21:58:14,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200613642] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-09 21:58:14,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902370931] [2022-01-09 21:58:14,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:14,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 21:58:14,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 21:58:14,410 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) [2022-01-09 21:58:14,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-09 21:58:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:58:14,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 1987 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-09 21:58:14,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 21:58:15,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-01-09 21:58:15,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-09 21:58:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-01-09 21:58:15,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902370931] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-09 21:58:15,528 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-09 21:58:15,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-01-09 21:58:15,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57661820] [2022-01-09 21:58:15,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-09 21:58:15,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-09 21:58:15,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:58:15,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-09 21:58:15,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-09 21:58:15,529 INFO L87 Difference]: Start difference. First operand 3290 states and 4164 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) [2022-01-09 21:58:16,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:58:16,137 INFO L93 Difference]: Finished difference Result 11642 states and 15408 transitions. [2022-01-09 21:58:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-09 21:58:16,138 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 [2022-01-09 21:58:16,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:58:16,157 INFO L225 Difference]: With dead ends: 11642 [2022-01-09 21:58:16,158 INFO L226 Difference]: Without dead ends: 8018 [2022-01-09 21:58:16,163 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 [2022-01-09 21:58:16,163 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 643 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-09 21:58:16,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [643 Valid, 497 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-09 21:58:16,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8018 states. [2022-01-09 21:58:16,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8018 to 4970. [2022-01-09 21:58:16,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4970 states, 4969 states have (on average 1.3918293419199035) internal successors, (6916), 4969 states have internal predecessors, (6916), 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) [2022-01-09 21:58:16,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4970 states to 4970 states and 6916 transitions. [2022-01-09 21:58:16,298 INFO L78 Accepts]: Start accepts. Automaton has 4970 states and 6916 transitions. Word has length 371 [2022-01-09 21:58:16,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:58:16,298 INFO L470 AbstractCegarLoop]: Abstraction has 4970 states and 6916 transitions. [2022-01-09 21:58:16,299 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) [2022-01-09 21:58:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 4970 states and 6916 transitions. [2022-01-09 21:58:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-01-09 21:58:16,305 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:58:16,306 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] [2022-01-09 21:58:16,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-09 21:58:16,525 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 [2022-01-09 21:58:16,525 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:58:16,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:58:16,526 INFO L85 PathProgramCache]: Analyzing trace with hash 600612244, now seen corresponding path program 1 times [2022-01-09 21:58:16,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:58:16,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640084884] [2022-01-09 21:58:16,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:16,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:58:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:58:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2022-01-09 21:58:16,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:58:16,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640084884] [2022-01-09 21:58:16,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640084884] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:58:16,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:58:16,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:58:16,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552814434] [2022-01-09 21:58:16,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:58:16,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:58:16,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:58:16,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:58:16,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:58:16,642 INFO L87 Difference]: Start difference. First operand 4970 states and 6916 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) [2022-01-09 21:58:18,682 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 [] [2022-01-09 21:58:18,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:58:18,801 INFO L93 Difference]: Finished difference Result 10724 states and 15140 transitions. [2022-01-09 21:58:18,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:58:18,802 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 [2022-01-09 21:58:18,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:58:18,828 INFO L225 Difference]: With dead ends: 10724 [2022-01-09 21:58:18,828 INFO L226 Difference]: Without dead ends: 5762 [2022-01-09 21:58:18,833 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 [2022-01-09 21:58:18,834 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 [2022-01-09 21:58:18,834 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] [2022-01-09 21:58:18,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5762 states. [2022-01-09 21:58:18,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5762 to 5718. [2022-01-09 21:58:18,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5718 states, 5717 states have (on average 1.3598040930557984) internal successors, (7774), 5717 states have internal predecessors, (7774), 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) [2022-01-09 21:58:18,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5718 states to 5718 states and 7774 transitions. [2022-01-09 21:58:18,975 INFO L78 Accepts]: Start accepts. Automaton has 5718 states and 7774 transitions. Word has length 471 [2022-01-09 21:58:18,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:58:18,975 INFO L470 AbstractCegarLoop]: Abstraction has 5718 states and 7774 transitions. [2022-01-09 21:58:18,976 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) [2022-01-09 21:58:18,976 INFO L276 IsEmpty]: Start isEmpty. Operand 5718 states and 7774 transitions. [2022-01-09 21:58:18,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2022-01-09 21:58:18,982 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:58:18,982 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] [2022-01-09 21:58:18,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-09 21:58:18,982 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:58:18,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:58:18,983 INFO L85 PathProgramCache]: Analyzing trace with hash 702431370, now seen corresponding path program 1 times [2022-01-09 21:58:18,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:58:18,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256623776] [2022-01-09 21:58:18,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:18,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:58:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:58:19,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2022-01-09 21:58:19,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:58:19,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256623776] [2022-01-09 21:58:19,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256623776] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:58:19,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:58:19,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:58:19,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051775254] [2022-01-09 21:58:19,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:58:19,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:58:19,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:58:19,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:58:19,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:58:19,126 INFO L87 Difference]: Start difference. First operand 5718 states and 7774 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) [2022-01-09 21:58:19,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:58:19,279 INFO L93 Difference]: Finished difference Result 11878 states and 16296 transitions. [2022-01-09 21:58:19,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:58:19,280 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 [2022-01-09 21:58:19,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:58:19,289 INFO L225 Difference]: With dead ends: 11878 [2022-01-09 21:58:19,289 INFO L226 Difference]: Without dead ends: 6168 [2022-01-09 21:58:19,294 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 [2022-01-09 21:58:19,294 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 [2022-01-09 21:58:19,294 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] [2022-01-09 21:58:19,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6168 states. [2022-01-09 21:58:19,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6168 to 5280. [2022-01-09 21:58:19,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5280 states, 5279 states have (on average 1.3396476605417693) internal successors, (7072), 5279 states have internal predecessors, (7072), 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) [2022-01-09 21:58:19,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5280 states to 5280 states and 7072 transitions. [2022-01-09 21:58:19,389 INFO L78 Accepts]: Start accepts. Automaton has 5280 states and 7072 transitions. Word has length 533 [2022-01-09 21:58:19,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:58:19,390 INFO L470 AbstractCegarLoop]: Abstraction has 5280 states and 7072 transitions. [2022-01-09 21:58:19,390 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) [2022-01-09 21:58:19,390 INFO L276 IsEmpty]: Start isEmpty. Operand 5280 states and 7072 transitions. [2022-01-09 21:58:19,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2022-01-09 21:58:19,395 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:58:19,395 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, 11, 9, 9, 7, 7, 5, 5, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1] [2022-01-09 21:58:19,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-09 21:58:19,396 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:58:19,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:58:19,396 INFO L85 PathProgramCache]: Analyzing trace with hash 896965801, now seen corresponding path program 1 times [2022-01-09 21:58:19,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:58:19,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72037116] [2022-01-09 21:58:19,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:19,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:58:19,462 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-09 21:58:19,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [736141347] [2022-01-09 21:58:19,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:19,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 21:58:19,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 21:58:19,463 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) [2022-01-09 21:58:19,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-09 21:58:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:58:19,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 2755 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-09 21:58:19,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 21:58:20,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3956 backedges. 2220 proven. 0 refuted. 0 times theorem prover too weak. 1736 trivial. 0 not checked. [2022-01-09 21:58:20,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 21:58:20,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:58:20,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72037116] [2022-01-09 21:58:20,393 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-09 21:58:20,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736141347] [2022-01-09 21:58:20,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736141347] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 21:58:20,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 21:58:20,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 21:58:20,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390435211] [2022-01-09 21:58:20,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 21:58:20,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 21:58:20,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:58:20,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 21:58:20,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:58:20,394 INFO L87 Difference]: Start difference. First operand 5280 states and 7072 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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) [2022-01-09 21:58:20,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:58:20,605 INFO L93 Difference]: Finished difference Result 9851 states and 12956 transitions. [2022-01-09 21:58:20,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 21:58:20,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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 589 [2022-01-09 21:58:20,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:58:20,611 INFO L225 Difference]: With dead ends: 9851 [2022-01-09 21:58:20,611 INFO L226 Difference]: Without dead ends: 4347 [2022-01-09 21:58:20,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 587 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 21:58:20,616 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 36 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-09 21:58:20,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 255 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-09 21:58:20,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4347 states. [2022-01-09 21:58:20,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4347 to 4345. [2022-01-09 21:58:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4345 states, 4344 states have (on average 1.2433241252302025) internal successors, (5401), 4344 states have internal predecessors, (5401), 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) [2022-01-09 21:58:20,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 4345 states and 5401 transitions. [2022-01-09 21:58:20,673 INFO L78 Accepts]: Start accepts. Automaton has 4345 states and 5401 transitions. Word has length 589 [2022-01-09 21:58:20,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:58:20,673 INFO L470 AbstractCegarLoop]: Abstraction has 4345 states and 5401 transitions. [2022-01-09 21:58:20,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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) [2022-01-09 21:58:20,673 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 5401 transitions. [2022-01-09 21:58:20,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-01-09 21:58:20,678 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 21:58:20,678 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] [2022-01-09 21:58:20,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-09 21:58:20,893 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 [2022-01-09 21:58:20,894 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 21:58:20,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 21:58:20,894 INFO L85 PathProgramCache]: Analyzing trace with hash -223655148, now seen corresponding path program 1 times [2022-01-09 21:58:20,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 21:58:20,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126390842] [2022-01-09 21:58:20,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:20,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 21:58:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:58:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-01-09 21:58:21,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 21:58:21,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126390842] [2022-01-09 21:58:21,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126390842] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-09 21:58:21,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072076191] [2022-01-09 21:58:21,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 21:58:21,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 21:58:21,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 21:58:21,084 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-09 21:58:21,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-09 21:58:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 21:58:21,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 2791 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-09 21:58:21,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 21:58:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-01-09 21:58:22,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-09 21:58:22,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-01-09 21:58:22,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072076191] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-09 21:58:22,632 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-09 21:58:22,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-01-09 21:58:22,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507074543] [2022-01-09 21:58:22,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-09 21:58:22,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-09 21:58:22,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 21:58:22,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-09 21:58:22,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-09 21:58:22,634 INFO L87 Difference]: Start difference. First operand 4345 states and 5401 transitions. Second operand has 7 states, 7 states have (on average 43.57142857142857) internal successors, (305), 7 states have internal predecessors, (305), 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) [2022-01-09 21:58:23,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 21:58:23,101 INFO L93 Difference]: Finished difference Result 7604 states and 9590 transitions. [2022-01-09 21:58:23,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-09 21:58:23,101 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 43.57142857142857) internal successors, (305), 7 states have internal predecessors, (305), 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 [2022-01-09 21:58:23,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 21:58:23,102 INFO L225 Difference]: With dead ends: 7604 [2022-01-09 21:58:23,102 INFO L226 Difference]: Without dead ends: 0 [2022-01-09 21:58:23,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1198 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-01-09 21:58:23,106 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 184 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-09 21:58:23,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 826 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-09 21:58:23,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-09 21:58:23,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-09 21:58:23,107 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) [2022-01-09 21:58:23,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-09 21:58:23,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 599 [2022-01-09 21:58:23,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 21:58:23,107 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-09 21:58:23,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 43.57142857142857) internal successors, (305), 7 states have internal predecessors, (305), 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) [2022-01-09 21:58:23,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-09 21:58:23,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-09 21:58:23,109 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-09 21:58:23,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-09 21:58:23,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 21:58:23,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-09 21:58:26,356 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-09 21:58:26,357 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-09 21:58:26,357 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2022-01-09 21:58:26,357 INFO L858 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2022-01-09 21:58:26,357 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2022-01-09 21:58:26,357 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2022-01-09 21:58:26,357 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2022-01-09 21:58:26,357 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 74 684) no Hoare annotation was computed. [2022-01-09 21:58:26,357 INFO L861 garLoopResultBuilder]: At program point L682(lines 74 684) the Hoare annotation is: true [2022-01-09 21:58:26,357 INFO L854 garLoopResultBuilder]: At program point L109-2(lines 109 666) the Hoare annotation is: (let ((.cse4 (= 8592 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (.cse5 (= 8608 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse2 (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|))) (.cse3 (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (.cse6 (<= 8640 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.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 .cse0 (= 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse0 (= 8656 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and (= 3 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int|) .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8448)) (and .cse2 .cse3 .cse1) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576)) (and .cse0 (= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8512)) (and .cse4 .cse0) (and .cse2 .cse4 .cse3) (and .cse1 (<= 8672 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse5 .cse0) (and (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656) .cse0 .cse6) (and .cse2 .cse5 .cse3) (and .cse2 .cse3 .cse6 (not (<= 8656 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|))) (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 .cse0 (= 8528 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0))) [2022-01-09 21:58:26,357 INFO L861 garLoopResultBuilder]: At program point L683(lines 19 685) the Hoare annotation is: true [2022-01-09 21:58:26,357 INFO L861 garLoopResultBuilder]: At program point L667(lines 108 668) the Hoare annotation is: true [2022-01-09 21:58:26,357 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L861 garLoopResultBuilder]: At program point L695(lines 686 697) the Hoare annotation is: true [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point L671(lines 671 675) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 635) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point L671-2(lines 671 675) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L861 garLoopResultBuilder]: At program point L113(lines 112 635) the Hoare annotation is: true [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 634) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L861 garLoopResultBuilder]: At program point L222(lines 115 634) the Hoare annotation is: true [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 633) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 632) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 219 597) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 631) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 630) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 219 597) no Hoare annotation was computed. [2022-01-09 21:58:26,358 INFO L854 garLoopResultBuilder]: At program point L131(lines 127 630) 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))) [2022-01-09 21:58:26,359 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 629) no Hoare annotation was computed. [2022-01-09 21:58:26,359 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2022-01-09 21:58:26,359 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2022-01-09 21:58:26,359 INFO L858 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2022-01-09 21:58:26,359 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 628) no Hoare annotation was computed. [2022-01-09 21:58:26,359 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2022-01-09 21:58:26,359 INFO L854 garLoopResultBuilder]: At program point L598(lines 109 666) the Hoare annotation is: (let ((.cse4 (= 8592 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (.cse5 (= 8608 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse2 (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|))) (.cse3 (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (.cse6 (<= 8640 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.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 .cse0 (= 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse0 (= 8656 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and (= 3 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int|) .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8448)) (and .cse2 .cse3 .cse1) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576)) (and .cse0 (= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8512)) (and .cse4 .cse0) (and .cse2 .cse4 .cse3) (and .cse1 (<= 8672 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse5 .cse0) (and (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656) .cse0 .cse6) (and .cse2 .cse5 .cse3) (and .cse2 .cse3 .cse6 (not (<= 8656 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|))) (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 .cse0 (= 8528 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0))) [2022-01-09 21:58:26,359 INFO L861 garLoopResultBuilder]: At program point L134(lines 133 628) the Hoare annotation is: true [2022-01-09 21:58:26,359 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 627) no Hoare annotation was computed. [2022-01-09 21:58:26,359 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 661) no Hoare annotation was computed. [2022-01-09 21:58:26,359 INFO L858 garLoopResultBuilder]: For program point L636(lines 636 664) no Hoare annotation was computed. [2022-01-09 21:58:26,359 INFO L854 garLoopResultBuilder]: At program point L143(lines 136 627) 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))) [2022-01-09 21:58:26,359 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 626) no Hoare annotation was computed. [2022-01-09 21:58:26,359 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 647) no Hoare annotation was computed. [2022-01-09 21:58:26,359 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2022-01-09 21:58:26,359 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 625) no Hoare annotation was computed. [2022-01-09 21:58:26,359 INFO L858 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L638-2(lines 637 659) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L299-2(lines 219 597) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 624) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L854 garLoopResultBuilder]: At program point L149(lines 145 624) 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))) [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 623) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 622) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 219 597) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L854 garLoopResultBuilder]: At program point L155(lines 151 622) 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))) [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 621) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 620) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L854 garLoopResultBuilder]: At program point L161(lines 157 620) 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))) [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 619) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2022-01-09 21:58:26,360 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 618) no Hoare annotation was computed. [2022-01-09 21:58:26,361 INFO L858 garLoopResultBuilder]: For program point L351-2(lines 219 597) no Hoare annotation was computed. [2022-01-09 21:58:26,361 INFO L854 garLoopResultBuilder]: At program point L167(lines 163 618) 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))) [2022-01-09 21:58:26,361 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 617) no Hoare annotation was computed. [2022-01-09 21:58:26,361 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))) [2022-01-09 21:58:26,361 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2022-01-09 21:58:26,361 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2022-01-09 21:58:26,361 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 616) no Hoare annotation was computed. [2022-01-09 21:58:26,361 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2022-01-09 21:58:26,361 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2022-01-09 21:58:26,361 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2022-01-09 21:58:26,361 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))) [2022-01-09 21:58:26,361 INFO L854 garLoopResultBuilder]: At program point L173(lines 169 616) 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))) [2022-01-09 21:58:26,361 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 615) no Hoare annotation was computed. [2022-01-09 21:58:26,361 INFO L858 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2022-01-09 21:58:26,361 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2022-01-09 21:58:26,361 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2022-01-09 21:58:26,361 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))) [2022-01-09 21:58:26,361 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2022-01-09 21:58:26,361 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 614) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L854 garLoopResultBuilder]: At program point L176(lines 175 614) 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 (= 3 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int|) .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)) (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))) [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 613) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L854 garLoopResultBuilder]: At program point L182(lines 178 613) 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)))) [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 612) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 611) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L854 garLoopResultBuilder]: At program point L188(lines 184 611) the Hoare annotation is: (let ((.cse0 (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|))) (.cse1 (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|))) (or (and .cse0 .cse1 (not (<= 8656 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|))) (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (and (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)))) [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 610) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 609) no Hoare annotation was computed. [2022-01-09 21:58:26,362 INFO L854 garLoopResultBuilder]: At program point L194(lines 190 609) the Hoare annotation is: (let ((.cse0 (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|))) (.cse1 (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|))) (or (and .cse0 .cse1 (not (<= 8656 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|))) (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (and (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)))) [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 608) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 607) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L854 garLoopResultBuilder]: At program point L200(lines 196 607) the Hoare annotation is: (or (and (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (<= 8640 |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|))) [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 606) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 605) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L511-2(lines 219 597) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L854 garLoopResultBuilder]: At program point L206(lines 202 605) the Hoare annotation is: (or (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (<= 8640 |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|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 604) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 536) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 603) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L854 garLoopResultBuilder]: At program point L212(lines 208 603) the Hoare annotation is: (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3) (<= 8672 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L211(lines 211 602) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L538-2(lines 219 597) no Hoare annotation was computed. [2022-01-09 21:58:26,363 INFO L858 garLoopResultBuilder]: For program point L560(lines 560 564) no Hoare annotation was computed. [2022-01-09 21:58:26,364 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 601) no Hoare annotation was computed. [2022-01-09 21:58:26,364 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 555) no Hoare annotation was computed. [2022-01-09 21:58:26,364 INFO L854 garLoopResultBuilder]: At program point L561(lines 74 684) the Hoare annotation is: false [2022-01-09 21:58:26,364 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2022-01-09 21:58:26,364 INFO L861 garLoopResultBuilder]: At program point L215(lines 214 601) the Hoare annotation is: true [2022-01-09 21:58:26,364 INFO L861 garLoopResultBuilder]: At program point L218(lines 217 600) the Hoare annotation is: true [2022-01-09 21:58:26,364 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 678) no Hoare annotation was computed. [2022-01-09 21:58:26,364 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2022-01-09 21:58:26,364 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 591) no Hoare annotation was computed. [2022-01-09 21:58:26,364 INFO L858 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2022-01-09 21:58:26,364 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2022-01-09 21:58:26,364 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 591) no Hoare annotation was computed. [2022-01-09 21:58:26,366 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 21:58:26,367 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-09 21:58:26,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:58:26 BasicIcfg [2022-01-09 21:58:26,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-09 21:58:26,395 INFO L158 Benchmark]: Toolchain (without parser) took 41208.50ms. Allocated memory was 191.9MB in the beginning and 376.4MB in the end (delta: 184.5MB). Free memory was 139.8MB in the beginning and 126.3MB in the end (delta: 13.6MB). Peak memory consumption was 241.8MB. Max. memory is 8.0GB. [2022-01-09 21:58:26,395 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory was 157.2MB in the beginning and 157.1MB in the end (delta: 136.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-09 21:58:26,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.47ms. Allocated memory is still 191.9MB. Free memory was 139.5MB in the beginning and 162.6MB in the end (delta: -23.1MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-01-09 21:58:26,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.76ms. Allocated memory is still 191.9MB. Free memory was 162.6MB in the beginning and 160.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-09 21:58:26,395 INFO L158 Benchmark]: Boogie Preprocessor took 47.78ms. Allocated memory is still 191.9MB. Free memory was 160.0MB in the beginning and 157.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-09 21:58:26,396 INFO L158 Benchmark]: RCFGBuilder took 612.07ms. Allocated memory is still 191.9MB. Free memory was 157.9MB in the beginning and 131.1MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-01-09 21:58:26,396 INFO L158 Benchmark]: IcfgTransformer took 255.02ms. Allocated memory is still 191.9MB. Free memory was 131.1MB in the beginning and 74.5MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. [2022-01-09 21:58:26,396 INFO L158 Benchmark]: TraceAbstraction took 39895.13ms. Allocated memory was 191.9MB in the beginning and 376.4MB in the end (delta: 184.5MB). Free memory was 74.0MB in the beginning and 126.3MB in the end (delta: -52.3MB). Peak memory consumption was 176.1MB. Max. memory is 8.0GB. [2022-01-09 21:58:26,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory was 157.2MB in the beginning and 157.1MB in the end (delta: 136.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 336.47ms. Allocated memory is still 191.9MB. Free memory was 139.5MB in the beginning and 162.6MB in the end (delta: -23.1MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.76ms. Allocated memory is still 191.9MB. Free memory was 162.6MB in the beginning and 160.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.78ms. Allocated memory is still 191.9MB. Free memory was 160.0MB in the beginning and 157.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 612.07ms. Allocated memory is still 191.9MB. Free memory was 157.9MB in the beginning and 131.1MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * IcfgTransformer took 255.02ms. Allocated memory is still 191.9MB. Free memory was 131.1MB in the beginning and 74.5MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. * TraceAbstraction took 39895.13ms. Allocated memory was 191.9MB in the beginning and 376.4MB in the end (delta: 184.5MB). Free memory was 74.0MB in the beginning and 126.3MB in the end (delta: -52.3MB). Peak memory consumption was 176.1MB. 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: 678]: 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: 39.8s, OverallIterations: 19, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 25.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 1654 SdHoareTripleChecker+Valid, 24.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1654 mSDsluCounter, 6547 SdHoareTripleChecker+Invalid, 24.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2765 mSDsCounter, 370 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2462 IncrementalHoareTripleChecker+Invalid, 2841 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 370 mSolverCounterUnsat, 3782 mSDtfsCounter, 2462 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3959 GetRequests, 3926 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5718occurred in iteration=16, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 19 MinimizatonAttempts, 4083 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 461 NumberOfFragments, 684 HoareAnnotationTreeSize, 29 FomulaSimplifications, 6901 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 11146 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 6095 NumberOfCodeBlocks, 6095 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 7042 ConstructedInterpolants, 0 QuantifiedInterpolants, 11164 SizeOfPredicates, 3 NumberOfNonLiveVariables, 13960 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 23 InterpolantComputations, 17 PerfectInterpolantSequences, 31267/31423 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: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (!(s__hit == 0bv32) && ~bvule32(0bv32, s__hit)) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(8640bv32, s__state)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ~bvule32(blastFlag, 3bv32) && ~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, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - 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, 0bv32) && ~bvule32(s__state, 8448bv32))) || ((~bvule32(blastFlag, 3bv32) && s__s3__tmp__next_state___0 == 3bv32) && ~bvule32(s__state, 8448bv32)) - 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: 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: 109]: Loop Invariant Derived loop invariant: (((((((((((((((((~bvule32(blastFlag, 2bv32) && 8656bv32 == s__state) || (~bvule32(blastFlag, 2bv32) && 8528bv32 == s__state)) || ~bvule32(s__state, 3bv32)) || ~bvule32(blastFlag, 0bv32)) || (~bvule32(blastFlag, 2bv32) && 8496bv32 == s__state)) || (((!(s__hit == 0bv32) && !~bvule32(8656bv32, s__state)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8640bv32, s__state))) || ((!(s__hit == 0bv32) && 8608bv32 == s__state) && ~bvule32(0bv32, s__hit))) || (~bvule32(blastFlag, 2bv32) && 8592bv32 == s__state)) || ((!(s__hit == 0bv32) && 8592bv32 == s__state) && ~bvule32(0bv32, s__hit))) || (~bvule32(blastFlag, 3bv32) && ~bvule32(8672bv32, s__state))) || (~bvule32(blastFlag, 2bv32) && 8608bv32 == s__state)) || (~bvule32(blastFlag, 2bv32) && 8512bv32 == s__state)) || (~bvule32(blastFlag, 2bv32) && 8560bv32 == s__state)) || ((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 3bv32) && s__s3__tmp__next_state___0 == 3bv32) && ~bvule32(s__state, 8448bv32))) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(8640bv32, s__state))) || (~bvule32(blastFlag, 2bv32) && 8544bv32 == s__state) - 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: (((!(s__hit == 0bv32) && !~bvule32(8656bv32, s__state)) && ~bvule32(0bv32, s__hit)) || (~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32))) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - 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: 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) && 8656bv32 == s__state) || (~bvule32(blastFlag, 2bv32) && 8528bv32 == s__state)) || ~bvule32(s__state, 3bv32)) || ~bvule32(blastFlag, 0bv32)) || (~bvule32(blastFlag, 2bv32) && 8496bv32 == s__state)) || (((!(s__hit == 0bv32) && !~bvule32(8656bv32, s__state)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8640bv32, s__state))) || ((!(s__hit == 0bv32) && 8608bv32 == s__state) && ~bvule32(0bv32, s__hit))) || (~bvule32(blastFlag, 2bv32) && 8592bv32 == s__state)) || ((!(s__hit == 0bv32) && 8592bv32 == s__state) && ~bvule32(0bv32, s__hit))) || (~bvule32(blastFlag, 3bv32) && ~bvule32(8672bv32, s__state))) || (~bvule32(blastFlag, 2bv32) && 8608bv32 == s__state)) || (~bvule32(blastFlag, 2bv32) && 8512bv32 == s__state)) || (~bvule32(blastFlag, 2bv32) && 8560bv32 == s__state)) || ((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 3bv32) && s__s3__tmp__next_state___0 == 3bv32) && ~bvule32(s__state, 8448bv32))) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(8640bv32, s__state))) || (~bvule32(blastFlag, 2bv32) && 8544bv32 == s__state) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((!(s__hit == 0bv32) && !~bvule32(8656bv32, s__state)) && ~bvule32(0bv32, s__hit)) || (~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32))) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - 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, 2bv32) && ~bvule32(8640bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) RESULT: Ultimate proved your program to be correct! [2022-01-09 21:58:26,458 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...