/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_SUM.epf -i ../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 07:37:45,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 07:37:45,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 07:37:45,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 07:37:45,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 07:37:45,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 07:37:45,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 07:37:45,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 07:37:45,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 07:37:45,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 07:37:45,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 07:37:45,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 07:37:45,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 07:37:45,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 07:37:45,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 07:37:45,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 07:37:45,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 07:37:45,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 07:37:45,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 07:37:45,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 07:37:45,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 07:37:45,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 07:37:45,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 07:37:45,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 07:37:45,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-11 07:37:45,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 07:37:45,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 07:37:45,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 07:37:45,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 07:37:45,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 07:37:45,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 07:37:45,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 07:37:45,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 07:37:45,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 07:37:45,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 07:37:45,664 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 07:37:45,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 07:37:45,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 07:37:45,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 07:37:45,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 07:37:45,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 07:37:45,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 07:37:45,666 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 07:37:45,666 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 07:37:45,666 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 07:37:45,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 07:37:45,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 07:37:45,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 07:37:45,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 07:37:45,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 07:37:45,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 07:37:45,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 07:37:45,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 07:37:45,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 07:37:45,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 07:37:45,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 07:37:45,669 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 07:37:45,669 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 07:37:45,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 07:37:45,669 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 07:37:45,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 07:37:45,670 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 07:37:45,670 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 07:37:45,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 07:37:45,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 07:37:45,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 07:37:45,953 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 07:37:45,955 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 07:37:45,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-1.c [2022-01-11 07:37:46,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52f084e60/bc51dc86a19841abbd406488ad3c247e/FLAGb6d4d947e [2022-01-11 07:37:46,482 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 07:37:46,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-1.c [2022-01-11 07:37:46,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52f084e60/bc51dc86a19841abbd406488ad3c247e/FLAGb6d4d947e [2022-01-11 07:37:46,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52f084e60/bc51dc86a19841abbd406488ad3c247e [2022-01-11 07:37:46,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 07:37:46,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 07:37:46,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 07:37:46,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 07:37:46,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 07:37:46,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 07:37:46" (1/1) ... [2022-01-11 07:37:46,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4105b967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:37:46, skipping insertion in model container [2022-01-11 07:37:46,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 07:37:46" (1/1) ... [2022-01-11 07:37:46,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 07:37:46,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 07:37:47,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-1.c[913,926] [2022-01-11 07:37:47,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-1.c[5977,5990] [2022-01-11 07:37:47,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 07:37:47,243 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 07:37:47,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-1.c[913,926] [2022-01-11 07:37:47,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pc_sfifo_1.cil-2+token_ring.03.cil-1.c[5977,5990] [2022-01-11 07:37:47,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 07:37:47,340 INFO L208 MainTranslator]: Completed translation [2022-01-11 07:37:47,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:37:47 WrapperNode [2022-01-11 07:37:47,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 07:37:47,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 07:37:47,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 07:37:47,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 07:37:47,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:37:47" (1/1) ... [2022-01-11 07:37:47,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:37:47" (1/1) ... [2022-01-11 07:37:47,423 INFO L137 Inliner]: procedures = 55, calls = 58, calls flagged for inlining = 53, calls inlined = 82, statements flattened = 1078 [2022-01-11 07:37:47,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 07:37:47,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 07:37:47,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 07:37:47,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 07:37:47,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:37:47" (1/1) ... [2022-01-11 07:37:47,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:37:47" (1/1) ... [2022-01-11 07:37:47,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:37:47" (1/1) ... [2022-01-11 07:37:47,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:37:47" (1/1) ... [2022-01-11 07:37:47,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:37:47" (1/1) ... [2022-01-11 07:37:47,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:37:47" (1/1) ... [2022-01-11 07:37:47,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:37:47" (1/1) ... [2022-01-11 07:37:47,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 07:37:47,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 07:37:47,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 07:37:47,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 07:37:47,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:37:47" (1/1) ... [2022-01-11 07:37:47,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 07:37:47,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 07:37:47,549 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) [2022-01-11 07:37:47,552 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 [2022-01-11 07:37:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 07:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 07:37:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 07:37:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 07:37:47,661 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 07:37:47,662 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 07:37:48,328 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 07:37:48,345 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 07:37:48,345 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-01-11 07:37:48,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 07:37:48 BoogieIcfgContainer [2022-01-11 07:37:48,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 07:37:48,349 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 07:37:48,350 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 07:37:48,351 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 07:37:48,354 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 07:37:48" (1/1) ... [2022-01-11 07:37:48,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 07:37:48 BasicIcfg [2022-01-11 07:37:48,598 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 07:37:48,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 07:37:48,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 07:37:48,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 07:37:48,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 07:37:46" (1/4) ... [2022-01-11 07:37:48,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d147216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 07:37:48, skipping insertion in model container [2022-01-11 07:37:48,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 07:37:47" (2/4) ... [2022-01-11 07:37:48,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d147216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 07:37:48, skipping insertion in model container [2022-01-11 07:37:48,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 07:37:48" (3/4) ... [2022-01-11 07:37:48,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d147216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 07:37:48, skipping insertion in model container [2022-01-11 07:37:48,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 07:37:48" (4/4) ... [2022-01-11 07:37:48,605 INFO L111 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-2+token_ring.03.cil-1.cTransformedIcfg [2022-01-11 07:37:48,609 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 07:37:48,610 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-01-11 07:37:48,657 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 07:37:48,664 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 [2022-01-11 07:37:48,664 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-11 07:37:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand has 412 states, 407 states have (on average 1.5503685503685503) internal successors, (631), 411 states have internal predecessors, (631), 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) [2022-01-11 07:37:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-11 07:37:48,698 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:48,699 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] [2022-01-11 07:37:48,699 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:48,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:48,704 INFO L85 PathProgramCache]: Analyzing trace with hash -777236868, now seen corresponding path program 1 times [2022-01-11 07:37:48,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:48,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691184914] [2022-01-11 07:37:48,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:48,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:49,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:49,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691184914] [2022-01-11 07:37:49,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691184914] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:49,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:49,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:37:49,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260186515] [2022-01-11 07:37:49,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:49,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:49,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:49,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:49,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:49,047 INFO L87 Difference]: Start difference. First operand has 412 states, 407 states have (on average 1.5503685503685503) internal successors, (631), 411 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2022-01-11 07:37:49,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:49,183 INFO L93 Difference]: Finished difference Result 830 states and 1267 transitions. [2022-01-11 07:37:49,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:49,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2022-01-11 07:37:49,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:49,203 INFO L225 Difference]: With dead ends: 830 [2022-01-11 07:37:49,204 INFO L226 Difference]: Without dead ends: 466 [2022-01-11 07:37:49,210 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 [2022-01-11 07:37:49,213 INFO L933 BasicCegarLoop]: 613 mSDtfsCounter, 574 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:49,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [574 Valid, 707 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:49,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2022-01-11 07:37:49,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 445. [2022-01-11 07:37:49,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 441 states have (on average 1.4852607709750567) internal successors, (655), 444 states have internal predecessors, (655), 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) [2022-01-11 07:37:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 655 transitions. [2022-01-11 07:37:49,293 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 655 transitions. Word has length 36 [2022-01-11 07:37:49,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:49,293 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 655 transitions. [2022-01-11 07:37:49,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2022-01-11 07:37:49,294 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 655 transitions. [2022-01-11 07:37:49,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-11 07:37:49,299 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:49,299 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:49,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 07:37:49,300 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:49,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:49,301 INFO L85 PathProgramCache]: Analyzing trace with hash -55920108, now seen corresponding path program 1 times [2022-01-11 07:37:49,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:49,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933017030] [2022-01-11 07:37:49,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:49,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:49,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:49,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:49,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933017030] [2022-01-11 07:37:49,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933017030] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:49,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:49,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:37:49,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775107255] [2022-01-11 07:37:49,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:49,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:49,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:49,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:49,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:49,405 INFO L87 Difference]: Start difference. First operand 445 states and 655 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:49,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:49,437 INFO L93 Difference]: Finished difference Result 614 states and 890 transitions. [2022-01-11 07:37:49,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:49,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-01-11 07:37:49,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:49,440 INFO L225 Difference]: With dead ends: 614 [2022-01-11 07:37:49,441 INFO L226 Difference]: Without dead ends: 503 [2022-01-11 07:37:49,442 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 [2022-01-11 07:37:49,443 INFO L933 BasicCegarLoop]: 593 mSDtfsCounter, 60 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:49,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 1147 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:49,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2022-01-11 07:37:49,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 498. [2022-01-11 07:37:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 494 states have (on average 1.4736842105263157) internal successors, (728), 497 states have internal predecessors, (728), 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) [2022-01-11 07:37:49,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 728 transitions. [2022-01-11 07:37:49,460 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 728 transitions. Word has length 37 [2022-01-11 07:37:49,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:49,461 INFO L470 AbstractCegarLoop]: Abstraction has 498 states and 728 transitions. [2022-01-11 07:37:49,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 728 transitions. [2022-01-11 07:37:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-01-11 07:37:49,467 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:49,467 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:49,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 07:37:49,471 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:49,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:49,472 INFO L85 PathProgramCache]: Analyzing trace with hash -210216941, now seen corresponding path program 1 times [2022-01-11 07:37:49,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:49,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191148137] [2022-01-11 07:37:49,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:49,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:49,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:49,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:49,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191148137] [2022-01-11 07:37:49,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191148137] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:49,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:49,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:37:49,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931364845] [2022-01-11 07:37:49,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:49,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:49,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:49,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:49,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:49,553 INFO L87 Difference]: Start difference. First operand 498 states and 728 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:49,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:49,621 INFO L93 Difference]: Finished difference Result 815 states and 1164 transitions. [2022-01-11 07:37:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:49,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-01-11 07:37:49,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:49,625 INFO L225 Difference]: With dead ends: 815 [2022-01-11 07:37:49,625 INFO L226 Difference]: Without dead ends: 651 [2022-01-11 07:37:49,628 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 [2022-01-11 07:37:49,631 INFO L933 BasicCegarLoop]: 616 mSDtfsCounter, 565 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:49,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [565 Valid, 704 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:49,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2022-01-11 07:37:49,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 629. [2022-01-11 07:37:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 625 states have (on average 1.4464) internal successors, (904), 628 states have internal predecessors, (904), 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) [2022-01-11 07:37:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 904 transitions. [2022-01-11 07:37:49,656 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 904 transitions. Word has length 37 [2022-01-11 07:37:49,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:49,656 INFO L470 AbstractCegarLoop]: Abstraction has 629 states and 904 transitions. [2022-01-11 07:37:49,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 904 transitions. [2022-01-11 07:37:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-11 07:37:49,659 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:49,659 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] [2022-01-11 07:37:49,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 07:37:49,659 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:49,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:49,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1567589159, now seen corresponding path program 1 times [2022-01-11 07:37:49,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:49,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346065492] [2022-01-11 07:37:49,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:49,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:49,732 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:49,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:49,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346065492] [2022-01-11 07:37:49,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346065492] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:49,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:49,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:37:49,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526590307] [2022-01-11 07:37:49,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:49,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:49,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:49,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:49,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:49,735 INFO L87 Difference]: Start difference. First operand 629 states and 904 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-01-11 07:37:49,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:49,776 INFO L93 Difference]: Finished difference Result 1080 states and 1511 transitions. [2022-01-11 07:37:49,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:49,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2022-01-11 07:37:49,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:49,781 INFO L225 Difference]: With dead ends: 1080 [2022-01-11 07:37:49,781 INFO L226 Difference]: Without dead ends: 785 [2022-01-11 07:37:49,781 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 [2022-01-11 07:37:49,787 INFO L933 BasicCegarLoop]: 646 mSDtfsCounter, 48 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:49,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 1227 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:49,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2022-01-11 07:37:49,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2022-01-11 07:37:49,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 781 states have (on average 1.3982074263764404) internal successors, (1092), 784 states have internal predecessors, (1092), 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) [2022-01-11 07:37:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1092 transitions. [2022-01-11 07:37:49,812 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1092 transitions. Word has length 51 [2022-01-11 07:37:49,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:49,813 INFO L470 AbstractCegarLoop]: Abstraction has 785 states and 1092 transitions. [2022-01-11 07:37:49,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-01-11 07:37:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1092 transitions. [2022-01-11 07:37:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-11 07:37:49,814 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:49,814 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:49,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 07:37:49,814 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:49,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:49,816 INFO L85 PathProgramCache]: Analyzing trace with hash -185501456, now seen corresponding path program 1 times [2022-01-11 07:37:49,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:49,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98590492] [2022-01-11 07:37:49,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:49,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:49,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:49,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:49,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98590492] [2022-01-11 07:37:49,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98590492] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:49,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:49,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:37:49,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517996708] [2022-01-11 07:37:49,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:49,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:49,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:49,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:49,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:49,866 INFO L87 Difference]: Start difference. First operand 785 states and 1092 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2022-01-11 07:37:49,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:49,911 INFO L93 Difference]: Finished difference Result 1258 states and 1708 transitions. [2022-01-11 07:37:49,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:49,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2022-01-11 07:37:49,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:49,916 INFO L225 Difference]: With dead ends: 1258 [2022-01-11 07:37:49,916 INFO L226 Difference]: Without dead ends: 893 [2022-01-11 07:37:49,917 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 [2022-01-11 07:37:49,918 INFO L933 BasicCegarLoop]: 593 mSDtfsCounter, 539 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:49,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [539 Valid, 681 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:49,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2022-01-11 07:37:49,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 893. [2022-01-11 07:37:49,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893 states, 889 states have (on average 1.3723284589426321) internal successors, (1220), 892 states have internal predecessors, (1220), 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) [2022-01-11 07:37:49,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1220 transitions. [2022-01-11 07:37:49,944 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1220 transitions. Word has length 55 [2022-01-11 07:37:49,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:49,947 INFO L470 AbstractCegarLoop]: Abstraction has 893 states and 1220 transitions. [2022-01-11 07:37:49,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2022-01-11 07:37:49,949 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1220 transitions. [2022-01-11 07:37:49,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-01-11 07:37:49,951 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:49,951 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:49,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-11 07:37:49,952 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:49,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:49,952 INFO L85 PathProgramCache]: Analyzing trace with hash -456834752, now seen corresponding path program 1 times [2022-01-11 07:37:49,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:49,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307707802] [2022-01-11 07:37:49,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:49,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:50,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:50,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:50,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307707802] [2022-01-11 07:37:50,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307707802] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:50,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:50,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-11 07:37:50,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882888128] [2022-01-11 07:37:50,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:50,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 07:37:50,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:50,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 07:37:50,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 07:37:50,058 INFO L87 Difference]: Start difference. First operand 893 states and 1220 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2022-01-11 07:37:50,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:50,181 INFO L93 Difference]: Finished difference Result 1976 states and 2624 transitions. [2022-01-11 07:37:50,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-11 07:37:50,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 56 [2022-01-11 07:37:50,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:50,187 INFO L225 Difference]: With dead ends: 1976 [2022-01-11 07:37:50,187 INFO L226 Difference]: Without dead ends: 1553 [2022-01-11 07:37:50,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-11 07:37:50,190 INFO L933 BasicCegarLoop]: 666 mSDtfsCounter, 302 mSDsluCounter, 1916 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 2582 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:50,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [302 Valid, 2582 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:50,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2022-01-11 07:37:50,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 917. [2022-01-11 07:37:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 917 states, 913 states have (on average 1.3581599123767798) internal successors, (1240), 916 states have internal predecessors, (1240), 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) [2022-01-11 07:37:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1240 transitions. [2022-01-11 07:37:50,233 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1240 transitions. Word has length 56 [2022-01-11 07:37:50,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:50,234 INFO L470 AbstractCegarLoop]: Abstraction has 917 states and 1240 transitions. [2022-01-11 07:37:50,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2022-01-11 07:37:50,235 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1240 transitions. [2022-01-11 07:37:50,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-01-11 07:37:50,236 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:50,236 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:50,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-11 07:37:50,237 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:50,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:50,237 INFO L85 PathProgramCache]: Analyzing trace with hash -106034815, now seen corresponding path program 1 times [2022-01-11 07:37:50,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:50,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893673366] [2022-01-11 07:37:50,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:50,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:50,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:50,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893673366] [2022-01-11 07:37:50,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893673366] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:50,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:50,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-11 07:37:50,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150012334] [2022-01-11 07:37:50,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:50,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 07:37:50,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:50,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 07:37:50,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 07:37:50,322 INFO L87 Difference]: Start difference. First operand 917 states and 1240 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2022-01-11 07:37:50,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:50,443 INFO L93 Difference]: Finished difference Result 1706 states and 2250 transitions. [2022-01-11 07:37:50,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-11 07:37:50,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 56 [2022-01-11 07:37:50,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:50,448 INFO L225 Difference]: With dead ends: 1706 [2022-01-11 07:37:50,448 INFO L226 Difference]: Without dead ends: 1208 [2022-01-11 07:37:50,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-11 07:37:50,449 INFO L933 BasicCegarLoop]: 639 mSDtfsCounter, 280 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 2524 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:50,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 2524 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:50,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2022-01-11 07:37:50,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 815. [2022-01-11 07:37:50,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 811 states have (on average 1.3674475955610357) internal successors, (1109), 814 states have internal predecessors, (1109), 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) [2022-01-11 07:37:50,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1109 transitions. [2022-01-11 07:37:50,492 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1109 transitions. Word has length 56 [2022-01-11 07:37:50,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:50,492 INFO L470 AbstractCegarLoop]: Abstraction has 815 states and 1109 transitions. [2022-01-11 07:37:50,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2022-01-11 07:37:50,492 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1109 transitions. [2022-01-11 07:37:50,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-01-11 07:37:50,493 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:50,493 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:50,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-11 07:37:50,494 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:50,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:50,494 INFO L85 PathProgramCache]: Analyzing trace with hash 2111752929, now seen corresponding path program 1 times [2022-01-11 07:37:50,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:50,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848007787] [2022-01-11 07:37:50,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:50,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:50,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:50,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:50,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848007787] [2022-01-11 07:37:50,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848007787] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:50,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:50,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 07:37:50,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304776001] [2022-01-11 07:37:50,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:50,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 07:37:50,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:50,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 07:37:50,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-11 07:37:50,588 INFO L87 Difference]: Start difference. First operand 815 states and 1109 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2022-01-11 07:37:50,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:50,674 INFO L93 Difference]: Finished difference Result 865 states and 1169 transitions. [2022-01-11 07:37:50,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-11 07:37:50,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 56 [2022-01-11 07:37:50,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:50,678 INFO L225 Difference]: With dead ends: 865 [2022-01-11 07:37:50,678 INFO L226 Difference]: Without dead ends: 863 [2022-01-11 07:37:50,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-11 07:37:50,679 INFO L933 BasicCegarLoop]: 593 mSDtfsCounter, 1154 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:50,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1154 Valid, 662 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:50,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2022-01-11 07:37:50,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 813. [2022-01-11 07:37:50,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 810 states have (on average 1.365432098765432) internal successors, (1106), 812 states have internal predecessors, (1106), 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) [2022-01-11 07:37:50,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1106 transitions. [2022-01-11 07:37:50,742 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1106 transitions. Word has length 56 [2022-01-11 07:37:50,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:50,742 INFO L470 AbstractCegarLoop]: Abstraction has 813 states and 1106 transitions. [2022-01-11 07:37:50,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2022-01-11 07:37:50,743 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1106 transitions. [2022-01-11 07:37:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-11 07:37:50,744 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:50,744 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:50,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-11 07:37:50,744 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:50,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:50,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1039832140, now seen corresponding path program 1 times [2022-01-11 07:37:50,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:50,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089517776] [2022-01-11 07:37:50,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:50,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:50,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:50,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:50,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089517776] [2022-01-11 07:37:50,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089517776] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-11 07:37:50,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302313870] [2022-01-11 07:37:50,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:50,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 07:37:50,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 07:37:50,926 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) [2022-01-11 07:37:50,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-11 07:37:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:51,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-11 07:37:51,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 07:37:51,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:51,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-11 07:37:51,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:51,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302313870] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-11 07:37:51,713 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-11 07:37:51,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-11 07:37:51,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836135101] [2022-01-11 07:37:51,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-11 07:37:51,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-11 07:37:51,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:51,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-11 07:37:51,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-01-11 07:37:51,715 INFO L87 Difference]: Start difference. First operand 813 states and 1106 transitions. Second operand has 10 states, 10 states have (on average 15.1) internal successors, (151), 10 states have internal predecessors, (151), 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) [2022-01-11 07:37:52,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:52,003 INFO L93 Difference]: Finished difference Result 1699 states and 2234 transitions. [2022-01-11 07:37:52,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-11 07:37:52,004 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.1) internal successors, (151), 10 states have internal predecessors, (151), 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 57 [2022-01-11 07:37:52,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:52,011 INFO L225 Difference]: With dead ends: 1699 [2022-01-11 07:37:52,011 INFO L226 Difference]: Without dead ends: 1697 [2022-01-11 07:37:52,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-01-11 07:37:52,014 INFO L933 BasicCegarLoop]: 668 mSDtfsCounter, 850 mSDsluCounter, 2413 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 3081 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:52,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [850 Valid, 3081 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:52,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2022-01-11 07:37:52,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1085. [2022-01-11 07:37:52,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1082 states have (on average 1.3484288354898337) internal successors, (1459), 1084 states have internal predecessors, (1459), 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) [2022-01-11 07:37:52,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1459 transitions. [2022-01-11 07:37:52,144 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1459 transitions. Word has length 57 [2022-01-11 07:37:52,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:52,145 INFO L470 AbstractCegarLoop]: Abstraction has 1085 states and 1459 transitions. [2022-01-11 07:37:52,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.1) internal successors, (151), 10 states have internal predecessors, (151), 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) [2022-01-11 07:37:52,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1459 transitions. [2022-01-11 07:37:52,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 07:37:52,147 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:52,147 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:52,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-11 07:37:52,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 07:37:52,364 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:52,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:52,365 INFO L85 PathProgramCache]: Analyzing trace with hash 248242004, now seen corresponding path program 1 times [2022-01-11 07:37:52,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:52,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456811211] [2022-01-11 07:37:52,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:52,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:52,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:52,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456811211] [2022-01-11 07:37:52,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456811211] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:52,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:52,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:37:52,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339058580] [2022-01-11 07:37:52,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:52,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:52,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:52,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:52,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:52,414 INFO L87 Difference]: Start difference. First operand 1085 states and 1459 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:52,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:52,524 INFO L93 Difference]: Finished difference Result 1405 states and 1939 transitions. [2022-01-11 07:37:52,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:52,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 07:37:52,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:52,528 INFO L225 Difference]: With dead ends: 1405 [2022-01-11 07:37:52,528 INFO L226 Difference]: Without dead ends: 1085 [2022-01-11 07:37:52,529 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 [2022-01-11 07:37:52,529 INFO L933 BasicCegarLoop]: 590 mSDtfsCounter, 483 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:52,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [483 Valid, 692 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:52,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2022-01-11 07:37:52,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 1085. [2022-01-11 07:37:52,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1082 states have (on average 1.3475046210720887) internal successors, (1458), 1084 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) [2022-01-11 07:37:52,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1458 transitions. [2022-01-11 07:37:52,638 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1458 transitions. Word has length 66 [2022-01-11 07:37:52,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:52,638 INFO L470 AbstractCegarLoop]: Abstraction has 1085 states and 1458 transitions. [2022-01-11 07:37:52,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:52,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1458 transitions. [2022-01-11 07:37:52,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 07:37:52,639 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:52,640 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:52,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-11 07:37:52,640 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:52,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:52,640 INFO L85 PathProgramCache]: Analyzing trace with hash -32107885, now seen corresponding path program 1 times [2022-01-11 07:37:52,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:52,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913339836] [2022-01-11 07:37:52,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:52,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:52,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:52,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:52,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913339836] [2022-01-11 07:37:52,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913339836] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:52,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:52,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 07:37:52,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065877231] [2022-01-11 07:37:52,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:52,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:52,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:52,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:52,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:52,669 INFO L87 Difference]: Start difference. First operand 1085 states and 1458 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:52,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:52,792 INFO L93 Difference]: Finished difference Result 1644 states and 2293 transitions. [2022-01-11 07:37:52,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:52,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 07:37:52,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:52,798 INFO L225 Difference]: With dead ends: 1644 [2022-01-11 07:37:52,798 INFO L226 Difference]: Without dead ends: 1327 [2022-01-11 07:37:52,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:52,799 INFO L933 BasicCegarLoop]: 585 mSDtfsCounter, 533 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:52,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [533 Valid, 981 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:52,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2022-01-11 07:37:52,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1323. [2022-01-11 07:37:52,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1320 states have (on average 1.3727272727272728) internal successors, (1812), 1322 states have internal predecessors, (1812), 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) [2022-01-11 07:37:52,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1812 transitions. [2022-01-11 07:37:52,933 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1812 transitions. Word has length 66 [2022-01-11 07:37:52,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:52,933 INFO L470 AbstractCegarLoop]: Abstraction has 1323 states and 1812 transitions. [2022-01-11 07:37:52,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:52,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1812 transitions. [2022-01-11 07:37:52,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 07:37:52,935 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:52,935 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:52,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-11 07:37:52,935 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:52,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:52,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1232993971, now seen corresponding path program 1 times [2022-01-11 07:37:52,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:52,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319670907] [2022-01-11 07:37:52,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:52,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:52,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:52,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319670907] [2022-01-11 07:37:52,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319670907] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:52,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:52,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 07:37:52,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116772205] [2022-01-11 07:37:52,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:52,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:52,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:52,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:52,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:52,971 INFO L87 Difference]: Start difference. First operand 1323 states and 1812 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:53,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:53,095 INFO L93 Difference]: Finished difference Result 1877 states and 2640 transitions. [2022-01-11 07:37:53,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:53,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 07:37:53,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:53,099 INFO L225 Difference]: With dead ends: 1877 [2022-01-11 07:37:53,099 INFO L226 Difference]: Without dead ends: 1323 [2022-01-11 07:37:53,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:53,101 INFO L933 BasicCegarLoop]: 579 mSDtfsCounter, 573 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:53,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [573 Valid, 579 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:53,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2022-01-11 07:37:53,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1323. [2022-01-11 07:37:53,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1320 states have (on average 1.3666666666666667) internal successors, (1804), 1322 states have internal predecessors, (1804), 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) [2022-01-11 07:37:53,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1804 transitions. [2022-01-11 07:37:53,224 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1804 transitions. Word has length 66 [2022-01-11 07:37:53,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:53,224 INFO L470 AbstractCegarLoop]: Abstraction has 1323 states and 1804 transitions. [2022-01-11 07:37:53,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:53,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1804 transitions. [2022-01-11 07:37:53,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 07:37:53,226 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:53,226 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:53,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-11 07:37:53,226 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:53,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:53,227 INFO L85 PathProgramCache]: Analyzing trace with hash -111669613, now seen corresponding path program 1 times [2022-01-11 07:37:53,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:53,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637507106] [2022-01-11 07:37:53,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:53,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:53,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:53,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:53,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637507106] [2022-01-11 07:37:53,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637507106] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:53,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:53,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 07:37:53,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655381842] [2022-01-11 07:37:53,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:53,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:53,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:53,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:53,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:53,262 INFO L87 Difference]: Start difference. First operand 1323 states and 1804 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:53,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:53,375 INFO L93 Difference]: Finished difference Result 1876 states and 2623 transitions. [2022-01-11 07:37:53,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:53,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 07:37:53,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:53,381 INFO L225 Difference]: With dead ends: 1876 [2022-01-11 07:37:53,381 INFO L226 Difference]: Without dead ends: 1323 [2022-01-11 07:37:53,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:53,382 INFO L933 BasicCegarLoop]: 574 mSDtfsCounter, 567 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:53,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [567 Valid, 574 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:53,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2022-01-11 07:37:53,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1323. [2022-01-11 07:37:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1320 states have (on average 1.3606060606060606) internal successors, (1796), 1322 states have internal predecessors, (1796), 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) [2022-01-11 07:37:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1796 transitions. [2022-01-11 07:37:53,495 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1796 transitions. Word has length 66 [2022-01-11 07:37:53,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:53,496 INFO L470 AbstractCegarLoop]: Abstraction has 1323 states and 1796 transitions. [2022-01-11 07:37:53,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:53,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1796 transitions. [2022-01-11 07:37:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 07:37:53,497 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:53,497 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:53,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-11 07:37:53,498 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:53,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:53,499 INFO L85 PathProgramCache]: Analyzing trace with hash 537690803, now seen corresponding path program 1 times [2022-01-11 07:37:53,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:53,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771936654] [2022-01-11 07:37:53,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:53,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:53,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:53,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:53,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771936654] [2022-01-11 07:37:53,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771936654] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:53,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:53,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 07:37:53,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869203670] [2022-01-11 07:37:53,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:53,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:53,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:53,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:53,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:53,534 INFO L87 Difference]: Start difference. First operand 1323 states and 1796 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:53,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:53,652 INFO L93 Difference]: Finished difference Result 1875 states and 2606 transitions. [2022-01-11 07:37:53,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:53,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 07:37:53,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:53,657 INFO L225 Difference]: With dead ends: 1875 [2022-01-11 07:37:53,657 INFO L226 Difference]: Without dead ends: 1323 [2022-01-11 07:37:53,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:53,660 INFO L933 BasicCegarLoop]: 569 mSDtfsCounter, 561 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:53,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [561 Valid, 569 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:53,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2022-01-11 07:37:53,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1323. [2022-01-11 07:37:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1320 states have (on average 1.3545454545454545) internal successors, (1788), 1322 states have internal predecessors, (1788), 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) [2022-01-11 07:37:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1788 transitions. [2022-01-11 07:37:53,772 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1788 transitions. Word has length 66 [2022-01-11 07:37:53,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:53,772 INFO L470 AbstractCegarLoop]: Abstraction has 1323 states and 1788 transitions. [2022-01-11 07:37:53,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:53,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1788 transitions. [2022-01-11 07:37:53,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 07:37:53,773 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:53,773 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:53,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-11 07:37:53,774 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:53,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:53,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1796666733, now seen corresponding path program 1 times [2022-01-11 07:37:53,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:53,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562987841] [2022-01-11 07:37:53,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:53,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:53,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:53,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:53,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562987841] [2022-01-11 07:37:53,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562987841] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:53,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:53,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 07:37:53,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112366929] [2022-01-11 07:37:53,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:53,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:53,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:53,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:53,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:53,815 INFO L87 Difference]: Start difference. First operand 1323 states and 1788 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:53,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:53,953 INFO L93 Difference]: Finished difference Result 1874 states and 2589 transitions. [2022-01-11 07:37:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:53,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 07:37:53,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:53,958 INFO L225 Difference]: With dead ends: 1874 [2022-01-11 07:37:53,958 INFO L226 Difference]: Without dead ends: 1323 [2022-01-11 07:37:53,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:53,961 INFO L933 BasicCegarLoop]: 552 mSDtfsCounter, 507 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:53,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [507 Valid, 590 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:53,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2022-01-11 07:37:54,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1323. [2022-01-11 07:37:54,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1320 states have (on average 1.3409090909090908) internal successors, (1770), 1322 states have internal predecessors, (1770), 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) [2022-01-11 07:37:54,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1770 transitions. [2022-01-11 07:37:54,077 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1770 transitions. Word has length 66 [2022-01-11 07:37:54,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:54,077 INFO L470 AbstractCegarLoop]: Abstraction has 1323 states and 1770 transitions. [2022-01-11 07:37:54,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:54,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1770 transitions. [2022-01-11 07:37:54,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 07:37:54,078 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:54,079 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:54,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-11 07:37:54,079 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:54,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:54,080 INFO L85 PathProgramCache]: Analyzing trace with hash 2027243570, now seen corresponding path program 1 times [2022-01-11 07:37:54,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:54,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185572883] [2022-01-11 07:37:54,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:54,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:54,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:54,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:54,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185572883] [2022-01-11 07:37:54,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185572883] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:54,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:54,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 07:37:54,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503490954] [2022-01-11 07:37:54,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:54,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:54,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:54,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:54,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:54,116 INFO L87 Difference]: Start difference. First operand 1323 states and 1770 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:54,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:54,260 INFO L93 Difference]: Finished difference Result 1873 states and 2552 transitions. [2022-01-11 07:37:54,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:54,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 07:37:54,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:54,264 INFO L225 Difference]: With dead ends: 1873 [2022-01-11 07:37:54,264 INFO L226 Difference]: Without dead ends: 1323 [2022-01-11 07:37:54,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:54,266 INFO L933 BasicCegarLoop]: 541 mSDtfsCounter, 496 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:54,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [496 Valid, 578 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:54,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2022-01-11 07:37:54,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1323. [2022-01-11 07:37:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1320 states have (on average 1.3272727272727274) internal successors, (1752), 1322 states have internal predecessors, (1752), 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) [2022-01-11 07:37:54,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1752 transitions. [2022-01-11 07:37:54,424 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1752 transitions. Word has length 66 [2022-01-11 07:37:54,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:54,425 INFO L470 AbstractCegarLoop]: Abstraction has 1323 states and 1752 transitions. [2022-01-11 07:37:54,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:54,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1752 transitions. [2022-01-11 07:37:54,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 07:37:54,426 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:54,427 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:54,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-11 07:37:54,427 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:54,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:54,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1144105775, now seen corresponding path program 1 times [2022-01-11 07:37:54,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:54,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448567656] [2022-01-11 07:37:54,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:54,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:54,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:54,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448567656] [2022-01-11 07:37:54,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448567656] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:54,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:54,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 07:37:54,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352861751] [2022-01-11 07:37:54,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:54,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:54,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:54,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:54,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:54,458 INFO L87 Difference]: Start difference. First operand 1323 states and 1752 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:54,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:54,619 INFO L93 Difference]: Finished difference Result 1872 states and 2515 transitions. [2022-01-11 07:37:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:54,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 07:37:54,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:54,624 INFO L225 Difference]: With dead ends: 1872 [2022-01-11 07:37:54,624 INFO L226 Difference]: Without dead ends: 1323 [2022-01-11 07:37:54,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:54,625 INFO L933 BasicCegarLoop]: 530 mSDtfsCounter, 485 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:54,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [485 Valid, 566 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:54,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2022-01-11 07:37:54,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1323. [2022-01-11 07:37:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1320 states have (on average 1.3136363636363637) internal successors, (1734), 1322 states have internal predecessors, (1734), 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) [2022-01-11 07:37:54,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1734 transitions. [2022-01-11 07:37:54,757 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1734 transitions. Word has length 66 [2022-01-11 07:37:54,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:54,757 INFO L470 AbstractCegarLoop]: Abstraction has 1323 states and 1734 transitions. [2022-01-11 07:37:54,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:54,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1734 transitions. [2022-01-11 07:37:54,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 07:37:54,759 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:54,759 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:54,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-11 07:37:54,759 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:54,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:54,760 INFO L85 PathProgramCache]: Analyzing trace with hash -549838608, now seen corresponding path program 1 times [2022-01-11 07:37:54,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:54,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977749453] [2022-01-11 07:37:54,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:54,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:54,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:54,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:54,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977749453] [2022-01-11 07:37:54,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977749453] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:54,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:54,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 07:37:54,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271581323] [2022-01-11 07:37:54,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:54,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:54,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:54,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:54,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:54,785 INFO L87 Difference]: Start difference. First operand 1323 states and 1734 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:54,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:54,976 INFO L93 Difference]: Finished difference Result 1871 states and 2478 transitions. [2022-01-11 07:37:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:54,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 07:37:54,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:54,981 INFO L225 Difference]: With dead ends: 1871 [2022-01-11 07:37:54,981 INFO L226 Difference]: Without dead ends: 1323 [2022-01-11 07:37:54,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:54,983 INFO L933 BasicCegarLoop]: 519 mSDtfsCounter, 474 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:54,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [474 Valid, 554 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:54,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2022-01-11 07:37:55,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1323. [2022-01-11 07:37:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 1320 states have (on average 1.3) internal successors, (1716), 1322 states have internal predecessors, (1716), 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) [2022-01-11 07:37:55,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1716 transitions. [2022-01-11 07:37:55,142 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1716 transitions. Word has length 66 [2022-01-11 07:37:55,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:55,142 INFO L470 AbstractCegarLoop]: Abstraction has 1323 states and 1716 transitions. [2022-01-11 07:37:55,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:55,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1716 transitions. [2022-01-11 07:37:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 07:37:55,144 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:55,144 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:55,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-11 07:37:55,145 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:55,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:55,145 INFO L85 PathProgramCache]: Analyzing trace with hash -884503537, now seen corresponding path program 1 times [2022-01-11 07:37:55,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:55,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92052837] [2022-01-11 07:37:55,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:55,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:55,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:55,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:55,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92052837] [2022-01-11 07:37:55,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92052837] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:55,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:55,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-11 07:37:55,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287241177] [2022-01-11 07:37:55,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:55,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 07:37:55,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:55,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 07:37:55,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 07:37:55,192 INFO L87 Difference]: Start difference. First operand 1323 states and 1716 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:55,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:55,426 INFO L93 Difference]: Finished difference Result 2194 states and 2896 transitions. [2022-01-11 07:37:55,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-11 07:37:55,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 07:37:55,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:55,431 INFO L225 Difference]: With dead ends: 2194 [2022-01-11 07:37:55,432 INFO L226 Difference]: Without dead ends: 1653 [2022-01-11 07:37:55,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-11 07:37:55,433 INFO L933 BasicCegarLoop]: 564 mSDtfsCounter, 1154 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:55,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1154 Valid, 1565 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 07:37:55,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2022-01-11 07:37:55,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1329. [2022-01-11 07:37:55,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 1326 states have (on average 1.2911010558069382) internal successors, (1712), 1328 states have internal predecessors, (1712), 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) [2022-01-11 07:37:55,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1712 transitions. [2022-01-11 07:37:55,552 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1712 transitions. Word has length 66 [2022-01-11 07:37:55,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:55,552 INFO L470 AbstractCegarLoop]: Abstraction has 1329 states and 1712 transitions. [2022-01-11 07:37:55,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:55,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1712 transitions. [2022-01-11 07:37:55,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 07:37:55,554 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:55,554 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:55,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-11 07:37:55,554 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:55,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:55,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1333200176, now seen corresponding path program 1 times [2022-01-11 07:37:55,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:55,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770565043] [2022-01-11 07:37:55,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:55,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:55,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:55,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770565043] [2022-01-11 07:37:55,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770565043] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:55,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:55,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-11 07:37:55,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264272858] [2022-01-11 07:37:55,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:55,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 07:37:55,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:55,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 07:37:55,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 07:37:55,590 INFO L87 Difference]: Start difference. First operand 1329 states and 1712 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:55,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:55,803 INFO L93 Difference]: Finished difference Result 2282 states and 2981 transitions. [2022-01-11 07:37:55,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-11 07:37:55,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 07:37:55,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:55,809 INFO L225 Difference]: With dead ends: 2282 [2022-01-11 07:37:55,809 INFO L226 Difference]: Without dead ends: 1749 [2022-01-11 07:37:55,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-11 07:37:55,811 INFO L933 BasicCegarLoop]: 522 mSDtfsCounter, 980 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 1775 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:55,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [980 Valid, 1775 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 07:37:55,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2022-01-11 07:37:55,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1335. [2022-01-11 07:37:55,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 1332 states have (on average 1.2822822822822824) internal successors, (1708), 1334 states have internal predecessors, (1708), 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) [2022-01-11 07:37:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1708 transitions. [2022-01-11 07:37:55,933 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1708 transitions. Word has length 66 [2022-01-11 07:37:55,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:55,934 INFO L470 AbstractCegarLoop]: Abstraction has 1335 states and 1708 transitions. [2022-01-11 07:37:55,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:55,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1708 transitions. [2022-01-11 07:37:55,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 07:37:55,935 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:55,936 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:55,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-11 07:37:55,936 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:55,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:55,936 INFO L85 PathProgramCache]: Analyzing trace with hash -982400239, now seen corresponding path program 1 times [2022-01-11 07:37:55,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:55,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473796156] [2022-01-11 07:37:55,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:55,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:55,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:55,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:55,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473796156] [2022-01-11 07:37:55,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473796156] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:55,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:55,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-11 07:37:55,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925191497] [2022-01-11 07:37:55,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:55,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 07:37:55,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:55,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 07:37:55,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 07:37:55,976 INFO L87 Difference]: Start difference. First operand 1335 states and 1708 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:56,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:56,202 INFO L93 Difference]: Finished difference Result 2335 states and 3019 transitions. [2022-01-11 07:37:56,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-11 07:37:56,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 07:37:56,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:56,209 INFO L225 Difference]: With dead ends: 2335 [2022-01-11 07:37:56,209 INFO L226 Difference]: Without dead ends: 1803 [2022-01-11 07:37:56,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-11 07:37:56,211 INFO L933 BasicCegarLoop]: 498 mSDtfsCounter, 888 mSDsluCounter, 1366 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 1864 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:56,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [888 Valid, 1864 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 07:37:56,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2022-01-11 07:37:56,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1341. [2022-01-11 07:37:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 1338 states have (on average 1.2735426008968609) internal successors, (1704), 1340 states have internal predecessors, (1704), 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) [2022-01-11 07:37:56,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1704 transitions. [2022-01-11 07:37:56,338 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1704 transitions. Word has length 66 [2022-01-11 07:37:56,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:56,338 INFO L470 AbstractCegarLoop]: Abstraction has 1341 states and 1704 transitions. [2022-01-11 07:37:56,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:56,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1704 transitions. [2022-01-11 07:37:56,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-11 07:37:56,340 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:56,340 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:56,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-11 07:37:56,340 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:56,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:56,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1235357714, now seen corresponding path program 1 times [2022-01-11 07:37:56,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:56,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782905195] [2022-01-11 07:37:56,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:56,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:56,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:56,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:56,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782905195] [2022-01-11 07:37:56,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782905195] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:56,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:56,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 07:37:56,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333180857] [2022-01-11 07:37:56,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:56,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:56,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:56,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:56,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:56,371 INFO L87 Difference]: Start difference. First operand 1341 states and 1704 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:56,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:56,581 INFO L93 Difference]: Finished difference Result 2395 states and 3034 transitions. [2022-01-11 07:37:56,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:56,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-11 07:37:56,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:56,587 INFO L225 Difference]: With dead ends: 2395 [2022-01-11 07:37:56,587 INFO L226 Difference]: Without dead ends: 1831 [2022-01-11 07:37:56,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:56,589 INFO L933 BasicCegarLoop]: 502 mSDtfsCounter, 415 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:56,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [415 Valid, 832 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:56,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1831 states. [2022-01-11 07:37:56,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1831 to 1777. [2022-01-11 07:37:56,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1777 states, 1774 states have (on average 1.2649379932356257) internal successors, (2244), 1776 states have internal predecessors, (2244), 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) [2022-01-11 07:37:56,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 2244 transitions. [2022-01-11 07:37:56,753 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 2244 transitions. Word has length 66 [2022-01-11 07:37:56,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:56,754 INFO L470 AbstractCegarLoop]: Abstraction has 1777 states and 2244 transitions. [2022-01-11 07:37:56,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:56,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2244 transitions. [2022-01-11 07:37:56,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-01-11 07:37:56,755 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:56,756 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2022-01-11 07:37:56,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-11 07:37:56,756 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:56,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:56,756 INFO L85 PathProgramCache]: Analyzing trace with hash 907596403, now seen corresponding path program 2 times [2022-01-11 07:37:56,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:56,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314338587] [2022-01-11 07:37:56,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:56,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:56,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:56,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314338587] [2022-01-11 07:37:56,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314338587] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:56,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:56,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:37:56,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020857436] [2022-01-11 07:37:56,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:56,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:56,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:56,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:56,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:56,797 INFO L87 Difference]: Start difference. First operand 1777 states and 2244 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:56,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:56,950 INFO L93 Difference]: Finished difference Result 2284 states and 2904 transitions. [2022-01-11 07:37:56,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:56,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-01-11 07:37:56,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:56,955 INFO L225 Difference]: With dead ends: 2284 [2022-01-11 07:37:56,955 INFO L226 Difference]: Without dead ends: 1688 [2022-01-11 07:37:56,956 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 [2022-01-11 07:37:56,956 INFO L933 BasicCegarLoop]: 545 mSDtfsCounter, 461 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:56,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [461 Valid, 614 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:56,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2022-01-11 07:37:57,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1662. [2022-01-11 07:37:57,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1662 states, 1659 states have (on average 1.2610006027727547) internal successors, (2092), 1661 states have internal predecessors, (2092), 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) [2022-01-11 07:37:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2092 transitions. [2022-01-11 07:37:57,095 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2092 transitions. Word has length 72 [2022-01-11 07:37:57,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:57,095 INFO L470 AbstractCegarLoop]: Abstraction has 1662 states and 2092 transitions. [2022-01-11 07:37:57,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 07:37:57,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2092 transitions. [2022-01-11 07:37:57,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-01-11 07:37:57,097 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:57,097 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2022-01-11 07:37:57,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-11 07:37:57,098 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:57,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:57,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1854929450, now seen corresponding path program 1 times [2022-01-11 07:37:57,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:57,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319910556] [2022-01-11 07:37:57,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:57,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:57,134 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-11 07:37:57,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:57,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319910556] [2022-01-11 07:37:57,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319910556] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:57,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:57,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:37:57,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681682853] [2022-01-11 07:37:57,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:57,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:57,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:57,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:57,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:57,136 INFO L87 Difference]: Start difference. First operand 1662 states and 2092 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2022-01-11 07:37:57,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:57,283 INFO L93 Difference]: Finished difference Result 2316 states and 2919 transitions. [2022-01-11 07:37:57,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:57,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 84 [2022-01-11 07:37:57,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:57,287 INFO L225 Difference]: With dead ends: 2316 [2022-01-11 07:37:57,287 INFO L226 Difference]: Without dead ends: 1680 [2022-01-11 07:37:57,288 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 [2022-01-11 07:37:57,288 INFO L933 BasicCegarLoop]: 518 mSDtfsCounter, 446 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:57,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [446 Valid, 602 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:57,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2022-01-11 07:37:57,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1662. [2022-01-11 07:37:57,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1662 states, 1659 states have (on average 1.248945147679325) internal successors, (2072), 1661 states have internal predecessors, (2072), 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) [2022-01-11 07:37:57,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2072 transitions. [2022-01-11 07:37:57,433 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2072 transitions. Word has length 84 [2022-01-11 07:37:57,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:57,433 INFO L470 AbstractCegarLoop]: Abstraction has 1662 states and 2072 transitions. [2022-01-11 07:37:57,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2022-01-11 07:37:57,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2072 transitions. [2022-01-11 07:37:57,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-01-11 07:37:57,435 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:57,436 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2022-01-11 07:37:57,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-11 07:37:57,436 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:57,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:57,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1075048240, now seen corresponding path program 1 times [2022-01-11 07:37:57,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:57,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23478375] [2022-01-11 07:37:57,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:57,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:57,464 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-11 07:37:57,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:57,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23478375] [2022-01-11 07:37:57,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23478375] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:57,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:57,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:37:57,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415518258] [2022-01-11 07:37:57,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:57,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:57,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:57,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:57,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:57,466 INFO L87 Difference]: Start difference. First operand 1662 states and 2072 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2022-01-11 07:37:57,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:57,596 INFO L93 Difference]: Finished difference Result 1926 states and 2390 transitions. [2022-01-11 07:37:57,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:57,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 85 [2022-01-11 07:37:57,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:57,598 INFO L225 Difference]: With dead ends: 1926 [2022-01-11 07:37:57,599 INFO L226 Difference]: Without dead ends: 1020 [2022-01-11 07:37:57,600 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 [2022-01-11 07:37:57,600 INFO L933 BasicCegarLoop]: 544 mSDtfsCounter, 56 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:57,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 1020 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:57,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2022-01-11 07:37:57,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1020. [2022-01-11 07:37:57,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 1018 states have (on average 1.2534381139489195) internal successors, (1276), 1019 states have internal predecessors, (1276), 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) [2022-01-11 07:37:57,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1276 transitions. [2022-01-11 07:37:57,681 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1276 transitions. Word has length 85 [2022-01-11 07:37:57,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:57,682 INFO L470 AbstractCegarLoop]: Abstraction has 1020 states and 1276 transitions. [2022-01-11 07:37:57,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2022-01-11 07:37:57,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1276 transitions. [2022-01-11 07:37:57,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-01-11 07:37:57,683 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:57,683 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:57,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-11 07:37:57,683 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:57,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:57,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1504174430, now seen corresponding path program 1 times [2022-01-11 07:37:57,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:57,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085022556] [2022-01-11 07:37:57,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:57,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:57,718 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:57,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:57,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085022556] [2022-01-11 07:37:57,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085022556] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:57,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:57,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:37:57,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427000981] [2022-01-11 07:37:57,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:57,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:57,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:57,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:57,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:57,720 INFO L87 Difference]: Start difference. First operand 1020 states and 1276 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2022-01-11 07:37:57,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:57,923 INFO L93 Difference]: Finished difference Result 2920 states and 3669 transitions. [2022-01-11 07:37:57,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:57,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 106 [2022-01-11 07:37:57,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:57,927 INFO L225 Difference]: With dead ends: 2920 [2022-01-11 07:37:57,928 INFO L226 Difference]: Without dead ends: 1926 [2022-01-11 07:37:57,929 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 [2022-01-11 07:37:57,929 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 334 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:57,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 728 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:57,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2022-01-11 07:37:58,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1822. [2022-01-11 07:37:58,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1822 states, 1820 states have (on average 1.2527472527472527) internal successors, (2280), 1821 states have internal predecessors, (2280), 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) [2022-01-11 07:37:58,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2280 transitions. [2022-01-11 07:37:58,091 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2280 transitions. Word has length 106 [2022-01-11 07:37:58,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:58,091 INFO L470 AbstractCegarLoop]: Abstraction has 1822 states and 2280 transitions. [2022-01-11 07:37:58,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2022-01-11 07:37:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2280 transitions. [2022-01-11 07:37:58,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-01-11 07:37:58,093 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:58,093 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:58,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-11 07:37:58,093 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:58,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:58,094 INFO L85 PathProgramCache]: Analyzing trace with hash 985672029, now seen corresponding path program 1 times [2022-01-11 07:37:58,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:58,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560705577] [2022-01-11 07:37:58,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:58,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:58,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:58,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560705577] [2022-01-11 07:37:58,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560705577] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:58,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:58,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:37:58,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866784994] [2022-01-11 07:37:58,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:58,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:58,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:58,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:58,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:58,136 INFO L87 Difference]: Start difference. First operand 1822 states and 2280 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2022-01-11 07:37:58,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:58,468 INFO L93 Difference]: Finished difference Result 5275 states and 6563 transitions. [2022-01-11 07:37:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:58,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 106 [2022-01-11 07:37:58,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:58,475 INFO L225 Difference]: With dead ends: 5275 [2022-01-11 07:37:58,475 INFO L226 Difference]: Without dead ends: 3507 [2022-01-11 07:37:58,477 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 [2022-01-11 07:37:58,478 INFO L933 BasicCegarLoop]: 489 mSDtfsCounter, 343 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:58,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 869 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:58,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3507 states. [2022-01-11 07:37:58,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3507 to 3419. [2022-01-11 07:37:58,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3419 states, 3417 states have (on average 1.231782265144864) internal successors, (4209), 3418 states have internal predecessors, (4209), 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) [2022-01-11 07:37:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 3419 states and 4209 transitions. [2022-01-11 07:37:58,765 INFO L78 Accepts]: Start accepts. Automaton has 3419 states and 4209 transitions. Word has length 106 [2022-01-11 07:37:58,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:58,765 INFO L470 AbstractCegarLoop]: Abstraction has 3419 states and 4209 transitions. [2022-01-11 07:37:58,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2022-01-11 07:37:58,765 INFO L276 IsEmpty]: Start isEmpty. Operand 3419 states and 4209 transitions. [2022-01-11 07:37:58,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-01-11 07:37:58,767 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:58,768 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:58,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-11 07:37:58,768 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:58,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:58,768 INFO L85 PathProgramCache]: Analyzing trace with hash 151269502, now seen corresponding path program 1 times [2022-01-11 07:37:58,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:58,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368090679] [2022-01-11 07:37:58,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:58,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-11 07:37:58,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:58,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368090679] [2022-01-11 07:37:58,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368090679] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:58,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:58,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:37:58,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068590547] [2022-01-11 07:37:58,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:58,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:58,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:58,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:58,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:58,793 INFO L87 Difference]: Start difference. First operand 3419 states and 4209 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2022-01-11 07:37:59,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:59,099 INFO L93 Difference]: Finished difference Result 6761 states and 8333 transitions. [2022-01-11 07:37:59,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:59,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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 106 [2022-01-11 07:37:59,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:37:59,106 INFO L225 Difference]: With dead ends: 6761 [2022-01-11 07:37:59,106 INFO L226 Difference]: Without dead ends: 3372 [2022-01-11 07:37:59,111 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 [2022-01-11 07:37:59,111 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 400 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:37:59,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [400 Valid, 406 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:37:59,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3372 states. [2022-01-11 07:37:59,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3372 to 3372. [2022-01-11 07:37:59,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3372 states, 3370 states have (on average 1.2335311572700296) internal successors, (4157), 3371 states have internal predecessors, (4157), 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) [2022-01-11 07:37:59,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 3372 states and 4157 transitions. [2022-01-11 07:37:59,405 INFO L78 Accepts]: Start accepts. Automaton has 3372 states and 4157 transitions. Word has length 106 [2022-01-11 07:37:59,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:37:59,405 INFO L470 AbstractCegarLoop]: Abstraction has 3372 states and 4157 transitions. [2022-01-11 07:37:59,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2022-01-11 07:37:59,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3372 states and 4157 transitions. [2022-01-11 07:37:59,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-01-11 07:37:59,407 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:37:59,407 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:37:59,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-11 07:37:59,408 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:37:59,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:37:59,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1185400646, now seen corresponding path program 1 times [2022-01-11 07:37:59,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:37:59,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328779048] [2022-01-11 07:37:59,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:37:59,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:37:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:37:59,445 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:37:59,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:37:59,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328779048] [2022-01-11 07:37:59,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328779048] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:37:59,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:37:59,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:37:59,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195752459] [2022-01-11 07:37:59,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:37:59,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:37:59,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:37:59,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:37:59,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:37:59,446 INFO L87 Difference]: Start difference. First operand 3372 states and 4157 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2022-01-11 07:37:59,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:37:59,995 INFO L93 Difference]: Finished difference Result 9376 states and 11553 transitions. [2022-01-11 07:37:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:37:59,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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 107 [2022-01-11 07:37:59,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:00,006 INFO L225 Difference]: With dead ends: 9376 [2022-01-11 07:38:00,006 INFO L226 Difference]: Without dead ends: 6058 [2022-01-11 07:38:00,011 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 [2022-01-11 07:38:00,012 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 263 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:00,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 737 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:00,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6058 states. [2022-01-11 07:38:00,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6058 to 6054. [2022-01-11 07:38:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6054 states, 6052 states have (on average 1.2248843357567747) internal successors, (7413), 6053 states have internal predecessors, (7413), 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) [2022-01-11 07:38:00,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6054 states to 6054 states and 7413 transitions. [2022-01-11 07:38:00,420 INFO L78 Accepts]: Start accepts. Automaton has 6054 states and 7413 transitions. Word has length 107 [2022-01-11 07:38:00,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:00,420 INFO L470 AbstractCegarLoop]: Abstraction has 6054 states and 7413 transitions. [2022-01-11 07:38:00,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2022-01-11 07:38:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 6054 states and 7413 transitions. [2022-01-11 07:38:00,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-11 07:38:00,423 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:00,423 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:00,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-11 07:38:00,424 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:00,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:00,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1482106766, now seen corresponding path program 1 times [2022-01-11 07:38:00,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:00,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951184450] [2022-01-11 07:38:00,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:00,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:38:00,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:00,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951184450] [2022-01-11 07:38:00,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951184450] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:00,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:00,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:38:00,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387043581] [2022-01-11 07:38:00,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:00,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:38:00,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:00,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:38:00,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:00,467 INFO L87 Difference]: Start difference. First operand 6054 states and 7413 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2022-01-11 07:38:01,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:01,225 INFO L93 Difference]: Finished difference Result 16931 states and 20745 transitions. [2022-01-11 07:38:01,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:38:01,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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 108 [2022-01-11 07:38:01,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:01,245 INFO L225 Difference]: With dead ends: 16931 [2022-01-11 07:38:01,245 INFO L226 Difference]: Without dead ends: 10931 [2022-01-11 07:38:01,254 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 [2022-01-11 07:38:01,255 INFO L933 BasicCegarLoop]: 484 mSDtfsCounter, 264 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:01,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 867 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:01,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10931 states. [2022-01-11 07:38:02,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10931 to 10927. [2022-01-11 07:38:02,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10927 states, 10925 states have (on average 1.2204118993135011) internal successors, (13333), 10926 states have internal predecessors, (13333), 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) [2022-01-11 07:38:02,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10927 states to 10927 states and 13333 transitions. [2022-01-11 07:38:02,164 INFO L78 Accepts]: Start accepts. Automaton has 10927 states and 13333 transitions. Word has length 108 [2022-01-11 07:38:02,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:02,165 INFO L470 AbstractCegarLoop]: Abstraction has 10927 states and 13333 transitions. [2022-01-11 07:38:02,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2022-01-11 07:38:02,165 INFO L276 IsEmpty]: Start isEmpty. Operand 10927 states and 13333 transitions. [2022-01-11 07:38:02,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-11 07:38:02,170 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:02,170 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:02,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-11 07:38:02,170 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:02,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:02,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1614125265, now seen corresponding path program 1 times [2022-01-11 07:38:02,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:02,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756736391] [2022-01-11 07:38:02,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:02,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:02,192 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-11 07:38:02,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:02,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756736391] [2022-01-11 07:38:02,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756736391] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:02,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:02,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:38:02,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078062471] [2022-01-11 07:38:02,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:02,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:38:02,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:02,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:38:02,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:02,194 INFO L87 Difference]: Start difference. First operand 10927 states and 13333 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2022-01-11 07:38:02,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:02,971 INFO L93 Difference]: Finished difference Result 21755 states and 26559 transitions. [2022-01-11 07:38:02,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:38:02,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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 108 [2022-01-11 07:38:02,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:02,988 INFO L225 Difference]: With dead ends: 21755 [2022-01-11 07:38:02,988 INFO L226 Difference]: Without dead ends: 10882 [2022-01-11 07:38:03,000 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 [2022-01-11 07:38:03,001 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 397 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:03,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [397 Valid, 405 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:03,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10882 states. [2022-01-11 07:38:03,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10882 to 10882. [2022-01-11 07:38:03,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10882 states, 10880 states have (on average 1.2209558823529412) internal successors, (13284), 10881 states have internal predecessors, (13284), 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) [2022-01-11 07:38:03,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10882 states to 10882 states and 13284 transitions. [2022-01-11 07:38:03,850 INFO L78 Accepts]: Start accepts. Automaton has 10882 states and 13284 transitions. Word has length 108 [2022-01-11 07:38:03,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:03,850 INFO L470 AbstractCegarLoop]: Abstraction has 10882 states and 13284 transitions. [2022-01-11 07:38:03,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2022-01-11 07:38:03,850 INFO L276 IsEmpty]: Start isEmpty. Operand 10882 states and 13284 transitions. [2022-01-11 07:38:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-01-11 07:38:03,854 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:03,854 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:03,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-11 07:38:03,855 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:03,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:03,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1674542539, now seen corresponding path program 1 times [2022-01-11 07:38:03,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:03,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108066447] [2022-01-11 07:38:03,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:03,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:03,893 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:38:03,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:03,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108066447] [2022-01-11 07:38:03,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108066447] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:03,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:03,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:38:03,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587945572] [2022-01-11 07:38:03,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:03,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:38:03,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:03,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:38:03,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:03,895 INFO L87 Difference]: Start difference. First operand 10882 states and 13284 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2022-01-11 07:38:05,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:05,596 INFO L93 Difference]: Finished difference Result 31126 states and 37849 transitions. [2022-01-11 07:38:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:38:05,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 109 [2022-01-11 07:38:05,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:05,618 INFO L225 Difference]: With dead ends: 31126 [2022-01-11 07:38:05,618 INFO L226 Difference]: Without dead ends: 15634 [2022-01-11 07:38:05,635 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 [2022-01-11 07:38:05,636 INFO L933 BasicCegarLoop]: 725 mSDtfsCounter, 327 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:05,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [327 Valid, 1115 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:05,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15634 states. [2022-01-11 07:38:06,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15634 to 15634. [2022-01-11 07:38:06,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15634 states, 15632 states have (on average 1.2107855680655066) internal successors, (18927), 15633 states have internal predecessors, (18927), 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) [2022-01-11 07:38:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15634 states to 15634 states and 18927 transitions. [2022-01-11 07:38:06,729 INFO L78 Accepts]: Start accepts. Automaton has 15634 states and 18927 transitions. Word has length 109 [2022-01-11 07:38:06,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:06,730 INFO L470 AbstractCegarLoop]: Abstraction has 15634 states and 18927 transitions. [2022-01-11 07:38:06,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2022-01-11 07:38:06,730 INFO L276 IsEmpty]: Start isEmpty. Operand 15634 states and 18927 transitions. [2022-01-11 07:38:06,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-01-11 07:38:06,741 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:06,741 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:06,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-11 07:38:06,741 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:06,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:06,742 INFO L85 PathProgramCache]: Analyzing trace with hash 890087644, now seen corresponding path program 1 times [2022-01-11 07:38:06,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:06,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232809059] [2022-01-11 07:38:06,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:06,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:06,781 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:38:06,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:06,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232809059] [2022-01-11 07:38:06,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232809059] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:06,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:06,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 07:38:06,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902755387] [2022-01-11 07:38:06,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:06,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:38:06,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:06,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:38:06,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:06,783 INFO L87 Difference]: Start difference. First operand 15634 states and 18927 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 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) [2022-01-11 07:38:08,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:08,179 INFO L93 Difference]: Finished difference Result 35872 states and 43307 transitions. [2022-01-11 07:38:08,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:38:08,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 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 140 [2022-01-11 07:38:08,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:08,205 INFO L225 Difference]: With dead ends: 35872 [2022-01-11 07:38:08,205 INFO L226 Difference]: Without dead ends: 20277 [2022-01-11 07:38:08,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:08,221 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 228 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:08,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 725 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:08,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20277 states. [2022-01-11 07:38:09,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20277 to 20181. [2022-01-11 07:38:09,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20181 states, 20179 states have (on average 1.1995143465979483) internal successors, (24205), 20180 states have internal predecessors, (24205), 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) [2022-01-11 07:38:09,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20181 states to 20181 states and 24205 transitions. [2022-01-11 07:38:09,759 INFO L78 Accepts]: Start accepts. Automaton has 20181 states and 24205 transitions. Word has length 140 [2022-01-11 07:38:09,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:09,760 INFO L470 AbstractCegarLoop]: Abstraction has 20181 states and 24205 transitions. [2022-01-11 07:38:09,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 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) [2022-01-11 07:38:09,760 INFO L276 IsEmpty]: Start isEmpty. Operand 20181 states and 24205 transitions. [2022-01-11 07:38:09,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-01-11 07:38:09,775 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:09,777 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:09,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-11 07:38:09,777 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:09,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:09,778 INFO L85 PathProgramCache]: Analyzing trace with hash 649329053, now seen corresponding path program 1 times [2022-01-11 07:38:09,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:09,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525690222] [2022-01-11 07:38:09,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:09,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-01-11 07:38:09,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:09,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525690222] [2022-01-11 07:38:09,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525690222] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:09,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:09,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:38:09,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948416672] [2022-01-11 07:38:09,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:09,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:38:09,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:09,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:38:09,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:09,822 INFO L87 Difference]: Start difference. First operand 20181 states and 24205 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2022-01-11 07:38:11,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:11,300 INFO L93 Difference]: Finished difference Result 39889 states and 47731 transitions. [2022-01-11 07:38:11,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:38:11,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 157 [2022-01-11 07:38:11,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:11,327 INFO L225 Difference]: With dead ends: 39889 [2022-01-11 07:38:11,327 INFO L226 Difference]: Without dead ends: 19761 [2022-01-11 07:38:11,346 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 [2022-01-11 07:38:11,346 INFO L933 BasicCegarLoop]: 410 mSDtfsCounter, 266 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:11,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [266 Valid, 745 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:11,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19761 states. [2022-01-11 07:38:12,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19761 to 19761. [2022-01-11 07:38:12,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19761 states, 19759 states have (on average 1.1772356900652867) internal successors, (23261), 19760 states have internal predecessors, (23261), 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) [2022-01-11 07:38:12,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19761 states to 19761 states and 23261 transitions. [2022-01-11 07:38:12,771 INFO L78 Accepts]: Start accepts. Automaton has 19761 states and 23261 transitions. Word has length 157 [2022-01-11 07:38:12,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:12,771 INFO L470 AbstractCegarLoop]: Abstraction has 19761 states and 23261 transitions. [2022-01-11 07:38:12,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2022-01-11 07:38:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand 19761 states and 23261 transitions. [2022-01-11 07:38:12,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-01-11 07:38:12,783 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:12,783 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:12,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-11 07:38:12,784 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:12,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:12,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1794244682, now seen corresponding path program 1 times [2022-01-11 07:38:12,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:12,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476441529] [2022-01-11 07:38:12,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:12,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:12,827 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:38:12,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:12,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476441529] [2022-01-11 07:38:12,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476441529] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:12,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:12,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:38:12,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142534372] [2022-01-11 07:38:12,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:12,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:38:12,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:12,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:38:12,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:12,828 INFO L87 Difference]: Start difference. First operand 19761 states and 23261 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2022-01-11 07:38:14,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:14,362 INFO L93 Difference]: Finished difference Result 35009 states and 41373 transitions. [2022-01-11 07:38:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:38:14,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 158 [2022-01-11 07:38:14,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:14,389 INFO L225 Difference]: With dead ends: 35009 [2022-01-11 07:38:14,389 INFO L226 Difference]: Without dead ends: 19765 [2022-01-11 07:38:14,404 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 [2022-01-11 07:38:14,404 INFO L933 BasicCegarLoop]: 660 mSDtfsCounter, 284 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:14,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 1048 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:14,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19765 states. [2022-01-11 07:38:15,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19765 to 19761. [2022-01-11 07:38:15,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19761 states, 19759 states have (on average 1.1741990991446936) internal successors, (23201), 19760 states have internal predecessors, (23201), 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) [2022-01-11 07:38:15,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19761 states to 19761 states and 23201 transitions. [2022-01-11 07:38:15,922 INFO L78 Accepts]: Start accepts. Automaton has 19761 states and 23201 transitions. Word has length 158 [2022-01-11 07:38:15,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:15,922 INFO L470 AbstractCegarLoop]: Abstraction has 19761 states and 23201 transitions. [2022-01-11 07:38:15,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2022-01-11 07:38:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 19761 states and 23201 transitions. [2022-01-11 07:38:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-01-11 07:38:15,935 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:15,935 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:15,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-11 07:38:15,935 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:15,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:15,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1371724087, now seen corresponding path program 1 times [2022-01-11 07:38:15,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:15,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491808223] [2022-01-11 07:38:15,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:15,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:15,991 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-11 07:38:15,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:15,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491808223] [2022-01-11 07:38:15,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491808223] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:15,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:15,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 07:38:15,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606241864] [2022-01-11 07:38:15,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:15,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:38:15,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:15,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:38:15,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:15,993 INFO L87 Difference]: Start difference. First operand 19761 states and 23201 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 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) [2022-01-11 07:38:17,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:17,715 INFO L93 Difference]: Finished difference Result 43545 states and 50999 transitions. [2022-01-11 07:38:17,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:38:17,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 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 189 [2022-01-11 07:38:17,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:17,746 INFO L225 Difference]: With dead ends: 43545 [2022-01-11 07:38:17,746 INFO L226 Difference]: Without dead ends: 23816 [2022-01-11 07:38:17,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:17,768 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 174 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:17,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 724 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:17,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23816 states. [2022-01-11 07:38:19,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23816 to 23688. [2022-01-11 07:38:19,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23688 states, 23686 states have (on average 1.1652030735455543) internal successors, (27599), 23687 states have internal predecessors, (27599), 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) [2022-01-11 07:38:19,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23688 states to 23688 states and 27599 transitions. [2022-01-11 07:38:19,377 INFO L78 Accepts]: Start accepts. Automaton has 23688 states and 27599 transitions. Word has length 189 [2022-01-11 07:38:19,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:19,377 INFO L470 AbstractCegarLoop]: Abstraction has 23688 states and 27599 transitions. [2022-01-11 07:38:19,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 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) [2022-01-11 07:38:19,378 INFO L276 IsEmpty]: Start isEmpty. Operand 23688 states and 27599 transitions. [2022-01-11 07:38:19,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-11 07:38:19,392 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:19,392 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:19,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-11 07:38:19,392 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:19,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:19,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1616325691, now seen corresponding path program 1 times [2022-01-11 07:38:19,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:19,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108916619] [2022-01-11 07:38:19,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:19,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:38:19,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:19,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108916619] [2022-01-11 07:38:19,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108916619] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:19,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:19,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:38:19,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630283390] [2022-01-11 07:38:19,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:19,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:38:19,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:19,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:38:19,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:19,441 INFO L87 Difference]: Start difference. First operand 23688 states and 27599 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2022-01-11 07:38:21,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:21,071 INFO L93 Difference]: Finished difference Result 43400 states and 50747 transitions. [2022-01-11 07:38:21,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:38:21,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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 193 [2022-01-11 07:38:21,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:21,101 INFO L225 Difference]: With dead ends: 43400 [2022-01-11 07:38:21,102 INFO L226 Difference]: Without dead ends: 23692 [2022-01-11 07:38:21,116 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 [2022-01-11 07:38:21,117 INFO L933 BasicCegarLoop]: 614 mSDtfsCounter, 280 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:21,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 994 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:21,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23692 states. [2022-01-11 07:38:22,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23692 to 23688. [2022-01-11 07:38:22,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23688 states, 23686 states have (on average 1.1609811703115764) internal successors, (27499), 23687 states have internal predecessors, (27499), 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) [2022-01-11 07:38:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23688 states to 23688 states and 27499 transitions. [2022-01-11 07:38:22,814 INFO L78 Accepts]: Start accepts. Automaton has 23688 states and 27499 transitions. Word has length 193 [2022-01-11 07:38:22,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:22,815 INFO L470 AbstractCegarLoop]: Abstraction has 23688 states and 27499 transitions. [2022-01-11 07:38:22,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2022-01-11 07:38:22,815 INFO L276 IsEmpty]: Start isEmpty. Operand 23688 states and 27499 transitions. [2022-01-11 07:38:22,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-01-11 07:38:22,829 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:22,829 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:22,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-11 07:38:22,829 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:22,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:22,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1379411334, now seen corresponding path program 1 times [2022-01-11 07:38:22,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:22,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175894052] [2022-01-11 07:38:22,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:22,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-11 07:38:22,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:22,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175894052] [2022-01-11 07:38:22,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175894052] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:22,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:22,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:38:22,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038740105] [2022-01-11 07:38:22,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:22,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:38:22,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:22,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:38:22,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:22,883 INFO L87 Difference]: Start difference. First operand 23688 states and 27499 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2022-01-11 07:38:24,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:24,600 INFO L93 Difference]: Finished difference Result 47328 states and 54947 transitions. [2022-01-11 07:38:24,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:38:24,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 228 [2022-01-11 07:38:24,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:24,627 INFO L225 Difference]: With dead ends: 47328 [2022-01-11 07:38:24,627 INFO L226 Difference]: Without dead ends: 23692 [2022-01-11 07:38:24,641 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 [2022-01-11 07:38:24,641 INFO L933 BasicCegarLoop]: 652 mSDtfsCounter, 277 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:24,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 1020 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:24,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23692 states. [2022-01-11 07:38:26,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23692 to 23688. [2022-01-11 07:38:26,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23688 states, 23686 states have (on average 1.1535506206197754) internal successors, (27323), 23687 states have internal predecessors, (27323), 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) [2022-01-11 07:38:26,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23688 states to 23688 states and 27323 transitions. [2022-01-11 07:38:26,284 INFO L78 Accepts]: Start accepts. Automaton has 23688 states and 27323 transitions. Word has length 228 [2022-01-11 07:38:26,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:26,285 INFO L470 AbstractCegarLoop]: Abstraction has 23688 states and 27323 transitions. [2022-01-11 07:38:26,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2022-01-11 07:38:26,285 INFO L276 IsEmpty]: Start isEmpty. Operand 23688 states and 27323 transitions. [2022-01-11 07:38:26,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-01-11 07:38:26,295 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:26,295 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:26,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-11 07:38:26,296 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:26,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:26,296 INFO L85 PathProgramCache]: Analyzing trace with hash 64717049, now seen corresponding path program 1 times [2022-01-11 07:38:26,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:26,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67129291] [2022-01-11 07:38:26,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:26,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:38:26,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:26,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67129291] [2022-01-11 07:38:26,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67129291] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:26,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:26,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:38:26,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752023598] [2022-01-11 07:38:26,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:26,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:38:26,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:26,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:38:26,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:26,346 INFO L87 Difference]: Start difference. First operand 23688 states and 27323 transitions. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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) [2022-01-11 07:38:28,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:28,096 INFO L93 Difference]: Finished difference Result 43460 states and 50297 transitions. [2022-01-11 07:38:28,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:38:28,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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 228 [2022-01-11 07:38:28,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:28,128 INFO L225 Difference]: With dead ends: 43460 [2022-01-11 07:38:28,128 INFO L226 Difference]: Without dead ends: 23752 [2022-01-11 07:38:28,141 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 [2022-01-11 07:38:28,141 INFO L933 BasicCegarLoop]: 611 mSDtfsCounter, 308 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:28,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [308 Valid, 883 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:28,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23752 states. [2022-01-11 07:38:29,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23752 to 23688. [2022-01-11 07:38:29,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23688 states, 23686 states have (on average 1.1319344760618086) internal successors, (26811), 23687 states have internal predecessors, (26811), 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) [2022-01-11 07:38:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23688 states to 23688 states and 26811 transitions. [2022-01-11 07:38:29,857 INFO L78 Accepts]: Start accepts. Automaton has 23688 states and 26811 transitions. Word has length 228 [2022-01-11 07:38:29,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:29,857 INFO L470 AbstractCegarLoop]: Abstraction has 23688 states and 26811 transitions. [2022-01-11 07:38:29,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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) [2022-01-11 07:38:29,857 INFO L276 IsEmpty]: Start isEmpty. Operand 23688 states and 26811 transitions. [2022-01-11 07:38:29,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-01-11 07:38:29,868 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:29,868 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:29,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-11 07:38:29,869 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:29,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:29,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1999416272, now seen corresponding path program 1 times [2022-01-11 07:38:29,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:29,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719952146] [2022-01-11 07:38:29,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:29,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:38:29,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:29,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719952146] [2022-01-11 07:38:29,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719952146] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:29,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:29,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:38:29,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360820957] [2022-01-11 07:38:29,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:29,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:38:29,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:29,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:38:29,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:29,942 INFO L87 Difference]: Start difference. First operand 23688 states and 26811 transitions. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 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) [2022-01-11 07:38:31,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:31,568 INFO L93 Difference]: Finished difference Result 40938 states and 46533 transitions. [2022-01-11 07:38:31,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:38:31,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 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 231 [2022-01-11 07:38:31,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:31,600 INFO L225 Difference]: With dead ends: 40938 [2022-01-11 07:38:31,600 INFO L226 Difference]: Without dead ends: 23752 [2022-01-11 07:38:31,618 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 [2022-01-11 07:38:31,619 INFO L933 BasicCegarLoop]: 650 mSDtfsCounter, 304 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:31,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [304 Valid, 963 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:31,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23752 states. [2022-01-11 07:38:33,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23752 to 23688. [2022-01-11 07:38:33,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23688 states, 23686 states have (on average 1.1138647302203835) internal successors, (26383), 23687 states have internal predecessors, (26383), 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) [2022-01-11 07:38:33,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23688 states to 23688 states and 26383 transitions. [2022-01-11 07:38:33,285 INFO L78 Accepts]: Start accepts. Automaton has 23688 states and 26383 transitions. Word has length 231 [2022-01-11 07:38:33,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:33,285 INFO L470 AbstractCegarLoop]: Abstraction has 23688 states and 26383 transitions. [2022-01-11 07:38:33,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 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) [2022-01-11 07:38:33,285 INFO L276 IsEmpty]: Start isEmpty. Operand 23688 states and 26383 transitions. [2022-01-11 07:38:33,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-01-11 07:38:33,295 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:33,296 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:33,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-11 07:38:33,296 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:33,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:33,296 INFO L85 PathProgramCache]: Analyzing trace with hash -2097093950, now seen corresponding path program 1 times [2022-01-11 07:38:33,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:33,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768000266] [2022-01-11 07:38:33,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:33,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:33,364 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-11 07:38:33,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:33,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768000266] [2022-01-11 07:38:33,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768000266] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:33,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:33,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:38:33,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596461113] [2022-01-11 07:38:33,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:33,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:38:33,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:33,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:38:33,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:33,367 INFO L87 Difference]: Start difference. First operand 23688 states and 26383 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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) [2022-01-11 07:38:35,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:35,212 INFO L93 Difference]: Finished difference Result 39074 states and 43659 transitions. [2022-01-11 07:38:35,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:38:35,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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 234 [2022-01-11 07:38:35,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:35,242 INFO L225 Difference]: With dead ends: 39074 [2022-01-11 07:38:35,242 INFO L226 Difference]: Without dead ends: 24536 [2022-01-11 07:38:35,258 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 [2022-01-11 07:38:35,258 INFO L933 BasicCegarLoop]: 563 mSDtfsCounter, 325 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:35,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 894 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:35,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24536 states. [2022-01-11 07:38:36,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24536 to 23688. [2022-01-11 07:38:36,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23688 states, 23686 states have (on average 1.0996791353542177) internal successors, (26047), 23687 states have internal predecessors, (26047), 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) [2022-01-11 07:38:36,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23688 states to 23688 states and 26047 transitions. [2022-01-11 07:38:36,935 INFO L78 Accepts]: Start accepts. Automaton has 23688 states and 26047 transitions. Word has length 234 [2022-01-11 07:38:36,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:36,936 INFO L470 AbstractCegarLoop]: Abstraction has 23688 states and 26047 transitions. [2022-01-11 07:38:36,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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) [2022-01-11 07:38:36,936 INFO L276 IsEmpty]: Start isEmpty. Operand 23688 states and 26047 transitions. [2022-01-11 07:38:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-01-11 07:38:36,947 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:36,948 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:36,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-11 07:38:36,948 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:36,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:36,948 INFO L85 PathProgramCache]: Analyzing trace with hash 629785627, now seen corresponding path program 1 times [2022-01-11 07:38:36,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:36,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096628513] [2022-01-11 07:38:36,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:36,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:37,006 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 07:38:37,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:37,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096628513] [2022-01-11 07:38:37,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096628513] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:37,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:37,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:38:37,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480641409] [2022-01-11 07:38:37,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:37,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:38:37,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:37,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:38:37,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:37,008 INFO L87 Difference]: Start difference. First operand 23688 states and 26047 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2022-01-11 07:38:38,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:38,157 INFO L93 Difference]: Finished difference Result 38194 states and 42103 transitions. [2022-01-11 07:38:38,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:38:38,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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 236 [2022-01-11 07:38:38,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:38,174 INFO L225 Difference]: With dead ends: 38194 [2022-01-11 07:38:38,174 INFO L226 Difference]: Without dead ends: 14558 [2022-01-11 07:38:38,190 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 [2022-01-11 07:38:38,191 INFO L933 BasicCegarLoop]: 564 mSDtfsCounter, 268 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:38,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 794 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:38,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14558 states. [2022-01-11 07:38:39,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14558 to 14526. [2022-01-11 07:38:39,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14526 states, 14524 states have (on average 1.0843431561553292) internal successors, (15749), 14525 states have internal predecessors, (15749), 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) [2022-01-11 07:38:39,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14526 states to 14526 states and 15749 transitions. [2022-01-11 07:38:39,172 INFO L78 Accepts]: Start accepts. Automaton has 14526 states and 15749 transitions. Word has length 236 [2022-01-11 07:38:39,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:39,172 INFO L470 AbstractCegarLoop]: Abstraction has 14526 states and 15749 transitions. [2022-01-11 07:38:39,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2022-01-11 07:38:39,172 INFO L276 IsEmpty]: Start isEmpty. Operand 14526 states and 15749 transitions. [2022-01-11 07:38:39,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-01-11 07:38:39,181 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:39,181 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:39,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-11 07:38:39,182 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:39,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:39,182 INFO L85 PathProgramCache]: Analyzing trace with hash -240767224, now seen corresponding path program 1 times [2022-01-11 07:38:39,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:39,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474698931] [2022-01-11 07:38:39,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:39,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-01-11 07:38:39,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:39,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474698931] [2022-01-11 07:38:39,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474698931] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:39,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:39,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-11 07:38:39,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138814402] [2022-01-11 07:38:39,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:39,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 07:38:39,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:39,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 07:38:39,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 07:38:39,250 INFO L87 Difference]: Start difference. First operand 14526 states and 15749 transitions. Second operand has 5 states, 5 states have (on average 41.8) internal successors, (209), 5 states have internal predecessors, (209), 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) [2022-01-11 07:38:40,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:40,007 INFO L93 Difference]: Finished difference Result 21495 states and 23234 transitions. [2022-01-11 07:38:40,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-11 07:38:40,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.8) internal successors, (209), 5 states have internal predecessors, (209), 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 239 [2022-01-11 07:38:40,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:40,012 INFO L225 Difference]: With dead ends: 21495 [2022-01-11 07:38:40,012 INFO L226 Difference]: Without dead ends: 4151 [2022-01-11 07:38:40,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-11 07:38:40,028 INFO L933 BasicCegarLoop]: 370 mSDtfsCounter, 970 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:40,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [970 Valid, 857 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 07:38:40,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4151 states. [2022-01-11 07:38:40,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4151 to 3831. [2022-01-11 07:38:40,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3831 states, 3829 states have (on average 1.0564115957168974) internal successors, (4045), 3830 states have internal predecessors, (4045), 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) [2022-01-11 07:38:40,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 4045 transitions. [2022-01-11 07:38:40,305 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 4045 transitions. Word has length 239 [2022-01-11 07:38:40,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:40,306 INFO L470 AbstractCegarLoop]: Abstraction has 3831 states and 4045 transitions. [2022-01-11 07:38:40,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.8) internal successors, (209), 5 states have internal predecessors, (209), 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) [2022-01-11 07:38:40,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 4045 transitions. [2022-01-11 07:38:40,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-01-11 07:38:40,310 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:40,310 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:40,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-11 07:38:40,310 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:40,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:40,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1529795592, now seen corresponding path program 1 times [2022-01-11 07:38:40,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:40,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128035821] [2022-01-11 07:38:40,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:40,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-11 07:38:40,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:40,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128035821] [2022-01-11 07:38:40,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128035821] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:40,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:40,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-11 07:38:40,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107578680] [2022-01-11 07:38:40,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:40,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-11 07:38:40,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:40,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-11 07:38:40,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-11 07:38:40,605 INFO L87 Difference]: Start difference. First operand 3831 states and 4045 transitions. Second operand has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 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) [2022-01-11 07:38:41,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:41,420 INFO L93 Difference]: Finished difference Result 3831 states and 4045 transitions. [2022-01-11 07:38:41,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-11 07:38:41,421 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 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 239 [2022-01-11 07:38:41,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:41,427 INFO L225 Difference]: With dead ends: 3831 [2022-01-11 07:38:41,427 INFO L226 Difference]: Without dead ends: 3829 [2022-01-11 07:38:41,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-11 07:38:41,428 INFO L933 BasicCegarLoop]: 735 mSDtfsCounter, 590 mSDsluCounter, 2196 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 2931 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:41,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [590 Valid, 2931 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:41,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3829 states. [2022-01-11 07:38:41,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3829 to 3829. [2022-01-11 07:38:41,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3829 states, 3828 states have (on average 1.055903866248694) internal successors, (4042), 3828 states have internal predecessors, (4042), 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) [2022-01-11 07:38:42,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 4042 transitions. [2022-01-11 07:38:42,002 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 4042 transitions. Word has length 239 [2022-01-11 07:38:42,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:42,003 INFO L470 AbstractCegarLoop]: Abstraction has 3829 states and 4042 transitions. [2022-01-11 07:38:42,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 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) [2022-01-11 07:38:42,003 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 4042 transitions. [2022-01-11 07:38:42,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-01-11 07:38:42,011 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:42,011 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:42,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-11 07:38:42,012 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:42,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:42,012 INFO L85 PathProgramCache]: Analyzing trace with hash -982238395, now seen corresponding path program 1 times [2022-01-11 07:38:42,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:42,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862222028] [2022-01-11 07:38:42,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:42,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 07:38:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-01-11 07:38:42,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 07:38:42,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862222028] [2022-01-11 07:38:42,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862222028] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 07:38:42,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 07:38:42,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 07:38:42,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718485590] [2022-01-11 07:38:42,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 07:38:42,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 07:38:42,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 07:38:42,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 07:38:42,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 07:38:42,081 INFO L87 Difference]: Start difference. First operand 3829 states and 4042 transitions. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2022-01-11 07:38:42,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 07:38:42,893 INFO L93 Difference]: Finished difference Result 5989 states and 6301 transitions. [2022-01-11 07:38:42,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 07:38:42,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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 243 [2022-01-11 07:38:42,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 07:38:42,900 INFO L225 Difference]: With dead ends: 5989 [2022-01-11 07:38:42,900 INFO L226 Difference]: Without dead ends: 4901 [2022-01-11 07:38:42,903 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 [2022-01-11 07:38:42,904 INFO L933 BasicCegarLoop]: 638 mSDtfsCounter, 279 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 07:38:42,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 989 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 07:38:42,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4901 states. [2022-01-11 07:38:43,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4901 to 3831. [2022-01-11 07:38:43,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3831 states, 3830 states have (on average 1.0558746736292428) internal successors, (4044), 3830 states have internal predecessors, (4044), 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) [2022-01-11 07:38:43,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 4044 transitions. [2022-01-11 07:38:43,449 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 4044 transitions. Word has length 243 [2022-01-11 07:38:43,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 07:38:43,450 INFO L470 AbstractCegarLoop]: Abstraction has 3831 states and 4044 transitions. [2022-01-11 07:38:43,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2022-01-11 07:38:43,450 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 4044 transitions. [2022-01-11 07:38:43,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-01-11 07:38:43,454 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 07:38:43,454 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:43,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-11 07:38:43,455 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-11 07:38:43,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 07:38:43,455 INFO L85 PathProgramCache]: Analyzing trace with hash -415581950, now seen corresponding path program 1 times [2022-01-11 07:38:43,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 07:38:43,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474206454] [2022-01-11 07:38:43,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 07:38:43,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 07:38:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 07:38:43,503 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-11 07:38:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 07:38:43,664 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-11 07:38:43,664 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-11 07:38:43,665 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-11 07:38:43,667 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-01-11 07:38:43,667 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-01-11 07:38:43,667 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-01-11 07:38:43,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-11 07:38:43,674 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 07:38:43,679 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 07:38:44,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 07:38:44 BasicIcfg [2022-01-11 07:38:44,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 07:38:44,465 INFO L158 Benchmark]: Toolchain (without parser) took 57618.55ms. Allocated memory was 176.2MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 119.0MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 918.9MB. Max. memory is 8.0GB. [2022-01-11 07:38:44,465 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 07:38:44,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.37ms. Allocated memory was 176.2MB in the beginning and 256.9MB in the end (delta: 80.7MB). Free memory was 118.8MB in the beginning and 221.5MB in the end (delta: -102.7MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2022-01-11 07:38:44,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.18ms. Allocated memory is still 256.9MB. Free memory was 221.5MB in the beginning and 216.8MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-11 07:38:44,465 INFO L158 Benchmark]: Boogie Preprocessor took 83.21ms. Allocated memory is still 256.9MB. Free memory was 216.8MB in the beginning and 213.1MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-11 07:38:44,465 INFO L158 Benchmark]: RCFGBuilder took 833.72ms. Allocated memory is still 256.9MB. Free memory was 213.1MB in the beginning and 173.3MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2022-01-11 07:38:44,465 INFO L158 Benchmark]: IcfgTransformer took 248.47ms. Allocated memory is still 256.9MB. Free memory was 173.3MB in the beginning and 151.8MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-01-11 07:38:44,465 INFO L158 Benchmark]: TraceAbstraction took 55864.85ms. Allocated memory was 256.9MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 151.3MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 870.6MB. Max. memory is 8.0GB. [2022-01-11 07:38:44,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 491.37ms. Allocated memory was 176.2MB in the beginning and 256.9MB in the end (delta: 80.7MB). Free memory was 118.8MB in the beginning and 221.5MB in the end (delta: -102.7MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 88.18ms. Allocated memory is still 256.9MB. Free memory was 221.5MB in the beginning and 216.8MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 83.21ms. Allocated memory is still 256.9MB. Free memory was 216.8MB in the beginning and 213.1MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 833.72ms. Allocated memory is still 256.9MB. Free memory was 213.1MB in the beginning and 173.3MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * IcfgTransformer took 248.47ms. Allocated memory is still 256.9MB. Free memory was 173.3MB in the beginning and 151.8MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 55864.85ms. Allocated memory was 256.9MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 151.3MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 870.6MB. 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 - CounterExampleResult [Line: 390]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L32] int q_buf_0 ; [L33] int q_free ; [L34] int q_read_ev ; [L35] int q_write_ev ; [L36] int p_num_write ; [L37] int p_last_write ; [L38] int p_dw_st ; [L39] int p_dw_pc ; [L40] int p_dw_i ; [L41] int c_num_read ; [L42] int c_last_read ; [L43] int c_dr_st ; [L44] int c_dr_pc ; [L45] int c_dr_i ; [L152] static int a_t ; [L394] int m_pc = 0; [L395] int t1_pc = 0; [L396] int t2_pc = 0; [L397] int t3_pc = 0; [L398] int m_st ; [L399] int t1_st ; [L400] int t2_st ; [L401] int t3_st ; [L402] int m_i ; [L403] int t1_i ; [L404] int t2_i ; [L405] int t3_i ; [L406] int M_E = 2; [L407] int T1_E = 2; [L408] int T2_E = 2; [L409] int T3_E = 2; [L410] int E_M = 2; [L411] int E_1 = 2; [L412] int E_2 = 2; [L413] int E_3 = 2; [L419] int token ; [L421] int local ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, token=0] [L1118] COND FALSE !(__VERIFIER_nondet_int()) [L1121] CALL main2() [L1105] int __retres1 ; [L1109] CALL init_model2() [L1018] m_i = 1 [L1019] t1_i = 1 [L1020] t2_i = 1 [L1021] t3_i = 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L1109] RET init_model2() [L1110] CALL start_simulation2() [L1046] int kernel_st ; [L1047] int tmp ; [L1048] int tmp___0 ; [L1052] kernel_st = 0 [L1053] FCALL update_channels2() [L1054] CALL init_threads2() [L674] COND TRUE m_i == 1 [L675] m_st = 0 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L679] COND TRUE t1_i == 1 [L680] t1_st = 0 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L684] COND TRUE t2_i == 1 [L685] t2_st = 0 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L689] COND TRUE t3_i == 1 [L690] t3_st = 0 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L1054] RET init_threads2() [L1055] CALL fire_delta_events2() [L811] COND FALSE !(M_E == 0) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L816] COND FALSE !(T1_E == 0) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L821] COND FALSE !(T2_E == 0) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L826] COND FALSE !(T3_E == 0) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L831] COND FALSE !(E_M == 0) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L836] COND FALSE !(E_1 == 0) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L841] COND FALSE !(E_2 == 0) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L846] COND FALSE !(E_3 == 0) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L1055] RET fire_delta_events2() [L1056] CALL activate_threads2() [L904] int tmp ; [L905] int tmp___0 ; [L906] int tmp___1 ; [L907] int tmp___2 ; [L911] CALL, EXPR is_master_triggered() [L587] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L590] COND FALSE !(m_pc == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L600] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L602] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L911] RET, EXPR is_master_triggered() [L911] tmp = is_master_triggered() [L913] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, tmp=0, token=0] [L919] CALL, EXPR is_transmit1_triggered() [L606] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L609] COND FALSE !(t1_pc == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L619] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L621] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L919] RET, EXPR is_transmit1_triggered() [L919] tmp___0 = is_transmit1_triggered() [L921] COND FALSE !(\read(tmp___0)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, tmp=0, tmp___0=0, token=0] [L927] CALL, EXPR is_transmit2_triggered() [L625] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L628] COND FALSE !(t2_pc == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L638] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L640] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L927] RET, EXPR is_transmit2_triggered() [L927] tmp___1 = is_transmit2_triggered() [L929] COND FALSE !(\read(tmp___1)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, tmp=0, tmp___0=0, tmp___1=0, token=0] [L935] CALL, EXPR is_transmit3_triggered() [L644] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L647] COND FALSE !(t3_pc == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L657] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L659] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L935] RET, EXPR is_transmit3_triggered() [L935] tmp___2 = is_transmit3_triggered() [L937] COND FALSE !(\read(tmp___2)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, token=0] [L1056] RET activate_threads2() [L1057] CALL reset_delta_events2() [L859] COND FALSE !(M_E == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L864] COND FALSE !(T1_E == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L869] COND FALSE !(T2_E == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L874] COND FALSE !(T3_E == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L879] COND FALSE !(E_M == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L884] COND FALSE !(E_1 == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L889] COND FALSE !(E_2 == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L894] COND FALSE !(E_3 == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L1057] RET reset_delta_events2() [L1060] COND TRUE 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, kernel_st=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L1063] kernel_st = 1 [L1064] CALL eval2() [L730] int tmp ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L734] COND TRUE 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L737] CALL, EXPR exists_runnable_thread2() [L699] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L702] COND TRUE m_st == 0 [L703] __retres1 = 1 VAL [__retres1=1, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L725] return (__retres1); VAL [\result=-1, __retres1=1, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L737] RET, EXPR exists_runnable_thread2() [L737] tmp = exists_runnable_thread2() [L739] COND TRUE \read(tmp) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, tmp=1, token=0] [L744] COND TRUE m_st == 0 [L745] int tmp_ndt_1; [L746] tmp_ndt_1 = __VERIFIER_nondet_int() [L747] COND FALSE !(\read(tmp_ndt_1)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, tmp=1, tmp_ndt_1=0, token=0] [L758] COND TRUE t1_st == 0 [L759] int tmp_ndt_2; [L760] tmp_ndt_2 = __VERIFIER_nondet_int() [L761] COND TRUE \read(tmp_ndt_2) [L763] t1_st = 1 [L764] CALL transmit1() [L482] COND TRUE t1_pc == 0 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L493] COND TRUE 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L495] t1_pc = 1 [L496] t1_st = 2 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L764] RET transmit1() [L772] COND TRUE t2_st == 0 [L773] int tmp_ndt_3; [L774] tmp_ndt_3 = __VERIFIER_nondet_int() [L775] COND TRUE \read(tmp_ndt_3) [L777] t2_st = 1 [L778] CALL transmit2() [L518] COND TRUE t2_pc == 0 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=1, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L529] COND TRUE 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=1, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L531] t2_pc = 1 [L532] t2_st = 2 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=0, t3_st=0, token=0] [L778] RET transmit2() [L786] COND TRUE t3_st == 0 [L787] int tmp_ndt_4; [L788] tmp_ndt_4 = __VERIFIER_nondet_int() [L789] COND TRUE \read(tmp_ndt_4) [L791] t3_st = 1 [L792] CALL transmit3() [L554] COND TRUE t3_pc == 0 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=0, t3_st=1, token=0] [L565] COND TRUE 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=0, t3_st=1, token=0] [L567] t3_pc = 1 [L568] t3_st = 2 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L792] RET transmit3() [L734] COND TRUE 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, tmp_ndt_3=1, tmp_ndt_4=1, token=0] [L737] CALL, EXPR exists_runnable_thread2() [L699] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L702] COND TRUE m_st == 0 [L703] __retres1 = 1 VAL [__retres1=1, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L725] return (__retres1); VAL [\result=-1, __retres1=1, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L737] RET, EXPR exists_runnable_thread2() [L737] tmp = exists_runnable_thread2() [L739] COND TRUE \read(tmp) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, tmp_ndt_3=1, tmp_ndt_4=1, token=0] [L744] COND TRUE m_st == 0 [L745] int tmp_ndt_1; [L746] tmp_ndt_1 = __VERIFIER_nondet_int() [L747] COND TRUE \read(tmp_ndt_1) [L749] m_st = 1 [L750] CALL master() [L424] int tmp_var = __VERIFIER_nondet_int(); [L426] COND TRUE m_pc == 0 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L437] COND TRUE 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L440] token = __VERIFIER_nondet_int() [L441] local = token [L442] E_1 = 1 [L443] CALL immediate_notify() [L951] CALL activate_threads2() [L904] int tmp ; [L905] int tmp___0 ; [L906] int tmp___1 ; [L907] int tmp___2 ; [L911] CALL, EXPR is_master_triggered() [L587] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L590] COND FALSE !(m_pc == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L600] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L602] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L911] RET, EXPR is_master_triggered() [L911] tmp = is_master_triggered() [L913] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=0, token=0] [L919] CALL, EXPR is_transmit1_triggered() [L606] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L609] COND TRUE t1_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L610] COND TRUE E_1 == 1 [L611] __retres1 = 1 VAL [__retres1=1, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L621] return (__retres1); VAL [\result=-1, __retres1=1, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L919] RET, EXPR is_transmit1_triggered() [L919] tmp___0 = is_transmit1_triggered() [L921] COND TRUE \read(tmp___0) [L922] t1_st = 0 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=0, tmp___0=1, token=0] [L927] CALL, EXPR is_transmit2_triggered() [L625] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L628] COND TRUE t2_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L629] COND FALSE !(E_2 == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L638] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L640] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L927] RET, EXPR is_transmit2_triggered() [L927] tmp___1 = is_transmit2_triggered() [L929] COND FALSE !(\read(tmp___1)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=0, tmp___0=1, tmp___1=0, token=0] [L935] CALL, EXPR is_transmit3_triggered() [L644] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L647] COND TRUE t3_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L648] COND FALSE !(E_3 == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L657] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L659] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L935] RET, EXPR is_transmit3_triggered() [L935] tmp___2 = is_transmit3_triggered() [L937] COND FALSE !(\read(tmp___2)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=1, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, token=0] [L951] RET activate_threads2() [L443] RET immediate_notify() [L444] E_1 = 2 [L445] m_pc = 1 [L446] m_st = 2 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L750] RET master() [L758] COND TRUE t1_st == 0 [L759] int tmp_ndt_2; [L760] tmp_ndt_2 = __VERIFIER_nondet_int() [L761] COND TRUE \read(tmp_ndt_2) [L763] t1_st = 1 [L764] CALL transmit1() [L482] COND FALSE !(t1_pc == 0) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L485] COND TRUE t1_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=0] [L501] token += 1 [L502] E_2 = 1 [L503] CALL immediate_notify() [L951] CALL activate_threads2() [L904] int tmp ; [L905] int tmp___0 ; [L906] int tmp___1 ; [L907] int tmp___2 ; [L911] CALL, EXPR is_master_triggered() [L587] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L590] COND TRUE m_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L591] COND FALSE !(E_M == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L600] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L602] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L911] RET, EXPR is_master_triggered() [L911] tmp = is_master_triggered() [L913] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=0, token=1] [L919] CALL, EXPR is_transmit1_triggered() [L606] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L609] COND TRUE t1_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L610] COND FALSE !(E_1 == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L619] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L621] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L919] RET, EXPR is_transmit1_triggered() [L919] tmp___0 = is_transmit1_triggered() [L921] COND FALSE !(\read(tmp___0)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=0, tmp___0=0, token=1] [L927] CALL, EXPR is_transmit2_triggered() [L625] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L628] COND TRUE t2_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L629] COND TRUE E_2 == 1 [L630] __retres1 = 1 VAL [__retres1=1, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L640] return (__retres1); VAL [\result=-1, __retres1=1, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L927] RET, EXPR is_transmit2_triggered() [L927] tmp___1 = is_transmit2_triggered() [L929] COND TRUE \read(tmp___1) [L930] t2_st = 0 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=0, tmp___0=0, tmp___1=1, token=1] [L935] CALL, EXPR is_transmit3_triggered() [L644] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L647] COND TRUE t3_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L648] COND FALSE !(E_3 == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L657] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L659] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L935] RET, EXPR is_transmit3_triggered() [L935] tmp___2 = is_transmit3_triggered() [L937] COND FALSE !(\read(tmp___2)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=1, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, token=1] [L951] RET activate_threads2() [L503] RET immediate_notify() [L504] E_2 = 2 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L493] COND TRUE 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L495] t1_pc = 1 [L496] t1_st = 2 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L764] RET transmit1() [L772] COND TRUE t2_st == 0 [L773] int tmp_ndt_3; [L774] tmp_ndt_3 = __VERIFIER_nondet_int() [L775] COND TRUE \read(tmp_ndt_3) [L777] t2_st = 1 [L778] CALL transmit2() [L518] COND FALSE !(t2_pc == 0) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L521] COND TRUE t2_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=1] [L537] token += 1 [L538] E_3 = 1 [L539] CALL immediate_notify() [L951] CALL activate_threads2() [L904] int tmp ; [L905] int tmp___0 ; [L906] int tmp___1 ; [L907] int tmp___2 ; [L911] CALL, EXPR is_master_triggered() [L587] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L590] COND TRUE m_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L591] COND FALSE !(E_M == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L600] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L602] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L911] RET, EXPR is_master_triggered() [L911] tmp = is_master_triggered() [L913] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=0, token=2] [L919] CALL, EXPR is_transmit1_triggered() [L606] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L609] COND TRUE t1_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L610] COND FALSE !(E_1 == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L619] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L621] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L919] RET, EXPR is_transmit1_triggered() [L919] tmp___0 = is_transmit1_triggered() [L921] COND FALSE !(\read(tmp___0)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=0, tmp___0=0, token=2] [L927] CALL, EXPR is_transmit2_triggered() [L625] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L628] COND TRUE t2_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L629] COND FALSE !(E_2 == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L638] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L640] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L927] RET, EXPR is_transmit2_triggered() [L927] tmp___1 = is_transmit2_triggered() [L929] COND FALSE !(\read(tmp___1)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=0, tmp___0=0, tmp___1=0, token=2] [L935] CALL, EXPR is_transmit3_triggered() [L644] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L647] COND TRUE t3_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L648] COND TRUE E_3 == 1 [L649] __retres1 = 1 VAL [__retres1=1, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L659] return (__retres1); VAL [\result=-1, __retres1=1, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=2] [L935] RET, EXPR is_transmit3_triggered() [L935] tmp___2 = is_transmit3_triggered() [L937] COND TRUE \read(tmp___2) [L938] t3_st = 0 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=0, tmp=0, tmp___0=0, tmp___1=0, tmp___2=1, token=2] [L951] RET activate_threads2() [L539] RET immediate_notify() [L540] E_3 = 2 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=0, token=2] [L529] COND TRUE 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, T3_E=2, t3_i=1, t3_pc=1, t3_st=0, token=2] [L531] t2_pc = 1 [L532] t2_st = 2 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=0, token=2] [L778] RET transmit2() [L786] COND TRUE t3_st == 0 [L787] int tmp_ndt_4; [L788] tmp_ndt_4 = __VERIFIER_nondet_int() [L789] COND TRUE \read(tmp_ndt_4) [L791] t3_st = 1 [L792] CALL transmit3() [L554] COND FALSE !(t3_pc == 0) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=2] [L557] COND TRUE t3_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=2] [L573] token += 1 [L574] E_M = 1 [L575] CALL immediate_notify() [L951] CALL activate_threads2() [L904] int tmp ; [L905] int tmp___0 ; [L906] int tmp___1 ; [L907] int tmp___2 ; [L911] CALL, EXPR is_master_triggered() [L587] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L590] COND TRUE m_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L591] COND TRUE E_M == 1 [L592] __retres1 = 1 VAL [__retres1=1, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L602] return (__retres1); VAL [\result=-1, __retres1=1, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L911] RET, EXPR is_master_triggered() [L911] tmp = is_master_triggered() [L913] COND TRUE \read(tmp) [L914] m_st = 0 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, tmp=1, token=3] [L919] CALL, EXPR is_transmit1_triggered() [L606] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L609] COND TRUE t1_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L610] COND FALSE !(E_1 == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L619] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L621] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L919] RET, EXPR is_transmit1_triggered() [L919] tmp___0 = is_transmit1_triggered() [L921] COND FALSE !(\read(tmp___0)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, tmp=1, tmp___0=0, token=3] [L927] CALL, EXPR is_transmit2_triggered() [L625] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L628] COND TRUE t2_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L629] COND FALSE !(E_2 == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L638] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L640] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L927] RET, EXPR is_transmit2_triggered() [L927] tmp___1 = is_transmit2_triggered() [L929] COND FALSE !(\read(tmp___1)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, tmp=1, tmp___0=0, tmp___1=0, token=3] [L935] CALL, EXPR is_transmit3_triggered() [L644] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L647] COND TRUE t3_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L648] COND FALSE !(E_3 == 1) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L657] __retres1 = 0 VAL [__retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L659] return (__retres1); VAL [\result=0, __retres1=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L935] RET, EXPR is_transmit3_triggered() [L935] tmp___2 = is_transmit3_triggered() [L937] COND FALSE !(\read(tmp___2)) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, token=3] [L951] RET activate_threads2() [L575] RET immediate_notify() [L576] E_M = 2 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L565] COND TRUE 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=1, token=3] [L567] t3_pc = 1 [L568] t3_st = 2 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=3] [L792] RET transmit3() [L734] COND TRUE 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=1, tmp_ndt_1=1, tmp_ndt_2=1, tmp_ndt_3=1, tmp_ndt_4=1, token=3] [L737] CALL, EXPR exists_runnable_thread2() [L699] int __retres1 ; VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=3] [L702] COND TRUE m_st == 0 [L703] __retres1 = 1 VAL [__retres1=1, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=3] [L725] return (__retres1); VAL [\result=-1, __retres1=1, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=3] [L737] RET, EXPR exists_runnable_thread2() [L737] tmp = exists_runnable_thread2() [L739] COND TRUE \read(tmp) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp=1, tmp_ndt_1=1, tmp_ndt_2=1, tmp_ndt_3=1, tmp_ndt_4=1, token=3] [L744] COND TRUE m_st == 0 [L745] int tmp_ndt_1; [L746] tmp_ndt_1 = __VERIFIER_nondet_int() [L747] COND TRUE \read(tmp_ndt_1) [L749] m_st = 1 [L750] CALL master() [L424] int tmp_var = __VERIFIER_nondet_int(); [L426] COND FALSE !(m_pc == 0) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=3] [L429] COND TRUE m_pc == 1 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=3] [L451] COND FALSE !(token != local + 3) VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=3] [L456] COND TRUE tmp_var <= 5 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp_var=5, token=3] [L457] COND TRUE tmp_var >= 5 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp_var=5, token=3] [L462] COND TRUE tmp_var <= 5 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp_var=5, token=3] [L463] COND TRUE tmp_var >= 5 VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, tmp_var=5, token=3] [L464] COND TRUE tmp_var == 5 [L465] CALL error2() [L390] reach_error() VAL [a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=0, q_read_ev=0, q_write_ev=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, T3_E=2, t3_i=1, t3_pc=1, t3_st=2, token=3] - UnprovableResult [Line: 27]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 27]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 390]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 412 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 55.0s, OverallIterations: 46, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 27.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20332 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20332 mSDsluCounter, 45964 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21042 mSDsCounter, 337 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 789 IncrementalHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 337 mSolverCounterUnsat, 24922 mSDtfsCounter, 789 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 189 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23688occurred in iteration=36, InterpolantAutomatonStates: 162, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 23.3s AutomataMinimizationTime, 45 MinimizatonAttempts, 5875 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 5306 NumberOfCodeBlocks, 5306 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 5072 ConstructedInterpolants, 0 QuantifiedInterpolants, 13180 SizeOfPredicates, 2 NumberOfNonLiveVariables, 511 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 47 InterpolantComputations, 44 PerfectInterpolantSequences, 647/653 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 RESULT: Ultimate proved your program to be incorrect! [2022-01-11 07:38:44,499 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...