/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 10:09:10,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 10:09:10,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 10:09:10,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 10:09:10,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 10:09:10,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 10:09:10,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 10:09:10,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 10:09:10,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 10:09:10,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 10:09:10,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 10:09:10,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 10:09:10,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 10:09:10,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 10:09:10,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 10:09:10,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 10:09:10,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 10:09:10,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 10:09:10,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 10:09:10,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 10:09:10,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 10:09:10,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 10:09:10,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 10:09:10,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 10:09:10,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 10:09:10,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 10:09:10,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 10:09:10,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 10:09:10,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 10:09:10,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 10:09:10,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 10:09:10,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 10:09:10,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 10:09:10,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 10:09:10,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 10:09:10,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 10:09:10,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 10:09:10,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 10:09:10,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 10:09:10,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 10:09:10,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 10:09:10,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 10:09:10,464 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 10:09:10,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 10:09:10,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 10:09:10,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 10:09:10,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 10:09:10,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 10:09:10,465 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 10:09:10,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 10:09:10,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 10:09:10,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 10:09:10,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 10:09:10,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 10:09:10,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 10:09:10,466 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 10:09:10,466 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 10:09:10,466 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 10:09:10,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 10:09:10,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 10:09:10,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 10:09:10,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 10:09:10,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 10:09:10,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 10:09:10,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 10:09:10,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 10:09:10,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 10:09:10,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 10:09:10,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 10:09:10,468 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 10:09:10,468 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 10:09:10,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 10:09:10,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 10:09:10,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 10:09:10,469 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 10:09:10,469 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 10:09:10,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 10:09:10,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 10:09:10,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 10:09:10,688 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 10:09:10,688 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 10:09:10,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label39.c [2022-01-10 10:09:10,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ce714e5e/3410800188c8416f8c7d601864ed51e1/FLAG20ae52831 [2022-01-10 10:09:11,169 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 10:09:11,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label39.c [2022-01-10 10:09:11,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ce714e5e/3410800188c8416f8c7d601864ed51e1/FLAG20ae52831 [2022-01-10 10:09:11,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ce714e5e/3410800188c8416f8c7d601864ed51e1 [2022-01-10 10:09:11,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 10:09:11,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 10:09:11,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 10:09:11,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 10:09:11,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 10:09:11,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 10:09:11" (1/1) ... [2022-01-10 10:09:11,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e080cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:09:11, skipping insertion in model container [2022-01-10 10:09:11,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 10:09:11" (1/1) ... [2022-01-10 10:09:11,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 10:09:11,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 10:09:11,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label39.c[18036,18049] [2022-01-10 10:09:11,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 10:09:11,699 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 10:09:11,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label39.c[18036,18049] [2022-01-10 10:09:11,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 10:09:11,757 INFO L208 MainTranslator]: Completed translation [2022-01-10 10:09:11,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:09:11 WrapperNode [2022-01-10 10:09:11,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 10:09:11,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 10:09:11,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 10:09:11,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 10:09:11,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:09:11" (1/1) ... [2022-01-10 10:09:11,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:09:11" (1/1) ... [2022-01-10 10:09:11,810 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 666 [2022-01-10 10:09:11,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 10:09:11,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 10:09:11,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 10:09:11,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 10:09:11,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:09:11" (1/1) ... [2022-01-10 10:09:11,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:09:11" (1/1) ... [2022-01-10 10:09:11,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:09:11" (1/1) ... [2022-01-10 10:09:11,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:09:11" (1/1) ... [2022-01-10 10:09:11,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:09:11" (1/1) ... [2022-01-10 10:09:11,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:09:11" (1/1) ... [2022-01-10 10:09:11,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:09:11" (1/1) ... [2022-01-10 10:09:11,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 10:09:11,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 10:09:11,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 10:09:11,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 10:09:11,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:09:11" (1/1) ... [2022-01-10 10:09:11,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 10:09:11,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 10:09:11,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 10:09:11,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 10:09:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 10:09:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 10:09:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 10:09:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 10:09:11,972 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 10:09:11,973 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 10:09:12,623 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 10:09:12,629 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 10:09:12,629 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 10:09:12,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:09:12 BoogieIcfgContainer [2022-01-10 10:09:12,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 10:09:12,631 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 10:09:12,631 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 10:09:12,632 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 10:09:12,633 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:09:12" (1/1) ... [2022-01-10 10:09:12,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 10:09:12 BasicIcfg [2022-01-10 10:09:12,769 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 10:09:12,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 10:09:12,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 10:09:12,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 10:09:12,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 10:09:11" (1/4) ... [2022-01-10 10:09:12,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f70466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 10:09:12, skipping insertion in model container [2022-01-10 10:09:12,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:09:11" (2/4) ... [2022-01-10 10:09:12,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f70466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 10:09:12, skipping insertion in model container [2022-01-10 10:09:12,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:09:12" (3/4) ... [2022-01-10 10:09:12,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f70466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 10:09:12, skipping insertion in model container [2022-01-10 10:09:12,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 10:09:12" (4/4) ... [2022-01-10 10:09:12,774 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label39.cTransformedIcfg [2022-01-10 10:09:12,777 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 10:09:12,777 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 10:09:12,806 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 10:09:12,811 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 10:09:12,811 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 10:09:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:12,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-01-10 10:09:12,830 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:12,831 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:09:12,831 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:12,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:12,834 INFO L85 PathProgramCache]: Analyzing trace with hash -842654740, now seen corresponding path program 1 times [2022-01-10 10:09:12,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:12,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695262520] [2022-01-10 10:09:12,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:12,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:09:13,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:13,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695262520] [2022-01-10 10:09:13,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695262520] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:13,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:13,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 10:09:13,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062063124] [2022-01-10 10:09:13,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:13,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:09:13,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:13,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:09:13,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:13,323 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 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 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:13,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:13,945 INFO L93 Difference]: Finished difference Result 639 states and 1082 transitions. [2022-01-10 10:09:13,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:09:13,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2022-01-10 10:09:13,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:13,955 INFO L225 Difference]: With dead ends: 639 [2022-01-10 10:09:13,956 INFO L226 Difference]: Without dead ends: 318 [2022-01-10 10:09:13,959 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 [2022-01-10 10:09:13,961 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 98 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:13,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 136 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 10:09:13,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-01-10 10:09:14,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2022-01-10 10:09:14,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 312 states have (on average 1.4711538461538463) internal successors, (459), 312 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 459 transitions. [2022-01-10 10:09:14,008 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 459 transitions. Word has length 111 [2022-01-10 10:09:14,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:14,009 INFO L470 AbstractCegarLoop]: Abstraction has 313 states and 459 transitions. [2022-01-10 10:09:14,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:14,009 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 459 transitions. [2022-01-10 10:09:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-01-10 10:09:14,011 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:14,011 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 10:09:14,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 10:09:14,012 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:14,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:14,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1220925337, now seen corresponding path program 1 times [2022-01-10 10:09:14,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:14,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104340420] [2022-01-10 10:09:14,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:14,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:14,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:09:14,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:14,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104340420] [2022-01-10 10:09:14,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104340420] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:14,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:14,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:09:14,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672683713] [2022-01-10 10:09:14,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:14,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:09:14,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:14,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:09:14,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:09:14,156 INFO L87 Difference]: Start difference. First operand 313 states and 459 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:14,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:14,832 INFO L93 Difference]: Finished difference Result 989 states and 1492 transitions. [2022-01-10 10:09:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:09:14,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2022-01-10 10:09:14,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:14,837 INFO L225 Difference]: With dead ends: 989 [2022-01-10 10:09:14,837 INFO L226 Difference]: Without dead ends: 595 [2022-01-10 10:09:14,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:09:14,840 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 174 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:14,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 116 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 10:09:14,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-01-10 10:09:14,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2022-01-10 10:09:14,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 594 states have (on average 1.34006734006734) internal successors, (796), 594 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 796 transitions. [2022-01-10 10:09:14,865 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 796 transitions. Word has length 115 [2022-01-10 10:09:14,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:14,865 INFO L470 AbstractCegarLoop]: Abstraction has 595 states and 796 transitions. [2022-01-10 10:09:14,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 796 transitions. [2022-01-10 10:09:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-01-10 10:09:14,867 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:14,867 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 10:09:14,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 10:09:14,867 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:14,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:14,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1521708945, now seen corresponding path program 1 times [2022-01-10 10:09:14,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:14,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151052719] [2022-01-10 10:09:14,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:14,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:09:15,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:15,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151052719] [2022-01-10 10:09:15,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151052719] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:15,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:15,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:09:15,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933012059] [2022-01-10 10:09:15,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:15,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:09:15,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:15,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:09:15,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:15,023 INFO L87 Difference]: Start difference. First operand 595 states and 796 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:15,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:15,500 INFO L93 Difference]: Finished difference Result 1752 states and 2347 transitions. [2022-01-10 10:09:15,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:09:15,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-01-10 10:09:15,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:15,507 INFO L225 Difference]: With dead ends: 1752 [2022-01-10 10:09:15,507 INFO L226 Difference]: Without dead ends: 1159 [2022-01-10 10:09:15,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:15,513 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 38 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:15,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 270 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 10:09:15,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2022-01-10 10:09:15,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1156. [2022-01-10 10:09:15,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.2095238095238094) internal successors, (1397), 1155 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:15,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1397 transitions. [2022-01-10 10:09:15,538 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1397 transitions. Word has length 120 [2022-01-10 10:09:15,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:15,539 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1397 transitions. [2022-01-10 10:09:15,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:15,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1397 transitions. [2022-01-10 10:09:15,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-01-10 10:09:15,542 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:15,542 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:09:15,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 10:09:15,542 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:15,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:15,543 INFO L85 PathProgramCache]: Analyzing trace with hash 62345595, now seen corresponding path program 1 times [2022-01-10 10:09:15,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:15,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683657063] [2022-01-10 10:09:15,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:15,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:15,671 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 10:09:15,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:15,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683657063] [2022-01-10 10:09:15,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683657063] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:15,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:15,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 10:09:15,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895360756] [2022-01-10 10:09:15,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:15,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:09:15,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:15,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:09:15,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:15,673 INFO L87 Difference]: Start difference. First operand 1156 states and 1397 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:16,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:16,156 INFO L93 Difference]: Finished difference Result 2875 states and 3551 transitions. [2022-01-10 10:09:16,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:09:16,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 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 141 [2022-01-10 10:09:16,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:16,161 INFO L225 Difference]: With dead ends: 2875 [2022-01-10 10:09:16,161 INFO L226 Difference]: Without dead ends: 1721 [2022-01-10 10:09:16,162 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 [2022-01-10 10:09:16,163 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 125 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:16,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 128 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:09:16,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2022-01-10 10:09:16,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1718. [2022-01-10 10:09:16,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1718 states, 1717 states have (on average 1.1654047757716948) internal successors, (2001), 1717 states have internal predecessors, (2001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:16,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2001 transitions. [2022-01-10 10:09:16,184 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2001 transitions. Word has length 141 [2022-01-10 10:09:16,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:16,184 INFO L470 AbstractCegarLoop]: Abstraction has 1718 states and 2001 transitions. [2022-01-10 10:09:16,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:16,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2001 transitions. [2022-01-10 10:09:16,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-01-10 10:09:16,186 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:16,187 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:09:16,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 10:09:16,187 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:16,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:16,187 INFO L85 PathProgramCache]: Analyzing trace with hash -121999228, now seen corresponding path program 1 times [2022-01-10 10:09:16,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:16,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661554308] [2022-01-10 10:09:16,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:16,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:09:16,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:16,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661554308] [2022-01-10 10:09:16,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661554308] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:16,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:16,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:09:16,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472195698] [2022-01-10 10:09:16,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:16,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 10:09:16,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:16,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 10:09:16,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:09:16,311 INFO L87 Difference]: Start difference. First operand 1718 states and 2001 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:17,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:17,493 INFO L93 Difference]: Finished difference Result 3799 states and 4418 transitions. [2022-01-10 10:09:17,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 10:09:17,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-01-10 10:09:17,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:17,499 INFO L225 Difference]: With dead ends: 3799 [2022-01-10 10:09:17,500 INFO L226 Difference]: Without dead ends: 1862 [2022-01-10 10:09:17,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 10:09:17,502 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 493 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:17,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [493 Valid, 85 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-10 10:09:17,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2022-01-10 10:09:17,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1859. [2022-01-10 10:09:17,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1858 states have (on average 1.1431646932185144) internal successors, (2124), 1858 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2124 transitions. [2022-01-10 10:09:17,524 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2124 transitions. Word has length 141 [2022-01-10 10:09:17,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:17,524 INFO L470 AbstractCegarLoop]: Abstraction has 1859 states and 2124 transitions. [2022-01-10 10:09:17,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:17,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2124 transitions. [2022-01-10 10:09:17,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-01-10 10:09:17,526 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:17,526 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-01-10 10:09:17,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 10:09:17,527 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:17,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:17,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1912065656, now seen corresponding path program 1 times [2022-01-10 10:09:17,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:17,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894768735] [2022-01-10 10:09:17,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:17,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-10 10:09:17,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:17,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894768735] [2022-01-10 10:09:17,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894768735] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:17,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:17,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:09:17,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6657768] [2022-01-10 10:09:17,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:17,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:09:17,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:17,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:09:17,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:17,590 INFO L87 Difference]: Start difference. First operand 1859 states and 2124 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:18,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:18,069 INFO L93 Difference]: Finished difference Result 4427 states and 5114 transitions. [2022-01-10 10:09:18,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:09:18,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 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 144 [2022-01-10 10:09:18,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:18,075 INFO L225 Difference]: With dead ends: 4427 [2022-01-10 10:09:18,075 INFO L226 Difference]: Without dead ends: 2570 [2022-01-10 10:09:18,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:18,077 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 158 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:18,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 253 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:09:18,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2570 states. [2022-01-10 10:09:18,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2570 to 2430. [2022-01-10 10:09:18,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2430 states, 2429 states have (on average 1.1305063812268423) internal successors, (2746), 2429 states have internal predecessors, (2746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:18,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 2430 states and 2746 transitions. [2022-01-10 10:09:18,104 INFO L78 Accepts]: Start accepts. Automaton has 2430 states and 2746 transitions. Word has length 144 [2022-01-10 10:09:18,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:18,104 INFO L470 AbstractCegarLoop]: Abstraction has 2430 states and 2746 transitions. [2022-01-10 10:09:18,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:18,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2430 states and 2746 transitions. [2022-01-10 10:09:18,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-01-10 10:09:18,107 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:18,107 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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, 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] [2022-01-10 10:09:18,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 10:09:18,107 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:18,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:18,108 INFO L85 PathProgramCache]: Analyzing trace with hash -555224503, now seen corresponding path program 1 times [2022-01-10 10:09:18,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:18,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188820797] [2022-01-10 10:09:18,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:18,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:09:18,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:18,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188820797] [2022-01-10 10:09:18,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188820797] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:18,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:18,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:09:18,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910905992] [2022-01-10 10:09:18,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:18,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:09:18,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:18,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:09:18,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:18,162 INFO L87 Difference]: Start difference. First operand 2430 states and 2746 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:18,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:18,576 INFO L93 Difference]: Finished difference Result 4863 states and 5498 transitions. [2022-01-10 10:09:18,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:09:18,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2022-01-10 10:09:18,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:18,582 INFO L225 Difference]: With dead ends: 4863 [2022-01-10 10:09:18,582 INFO L226 Difference]: Without dead ends: 2435 [2022-01-10 10:09:18,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:18,585 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 154 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:18,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 52 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:09:18,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2435 states. [2022-01-10 10:09:18,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2435 to 2430. [2022-01-10 10:09:18,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2430 states, 2429 states have (on average 1.1177439275421985) internal successors, (2715), 2429 states have internal predecessors, (2715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:18,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 2430 states and 2715 transitions. [2022-01-10 10:09:18,610 INFO L78 Accepts]: Start accepts. Automaton has 2430 states and 2715 transitions. Word has length 147 [2022-01-10 10:09:18,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:18,610 INFO L470 AbstractCegarLoop]: Abstraction has 2430 states and 2715 transitions. [2022-01-10 10:09:18,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:18,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2430 states and 2715 transitions. [2022-01-10 10:09:18,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-01-10 10:09:18,613 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:18,613 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:09:18,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 10:09:18,613 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:18,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:18,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1079429237, now seen corresponding path program 1 times [2022-01-10 10:09:18,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:18,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932770001] [2022-01-10 10:09:18,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:18,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-10 10:09:18,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:18,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932770001] [2022-01-10 10:09:18,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932770001] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:18,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:18,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:09:18,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277111153] [2022-01-10 10:09:18,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:18,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:09:18,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:18,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:09:18,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:18,694 INFO L87 Difference]: Start difference. First operand 2430 states and 2715 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:19,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:19,146 INFO L93 Difference]: Finished difference Result 5976 states and 6748 transitions. [2022-01-10 10:09:19,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:09:19,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2022-01-10 10:09:19,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:19,153 INFO L225 Difference]: With dead ends: 5976 [2022-01-10 10:09:19,153 INFO L226 Difference]: Without dead ends: 2563 [2022-01-10 10:09:19,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:19,171 INFO L933 BasicCegarLoop]: 247 mSDtfsCounter, 129 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:19,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 267 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:09:19,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2563 states. [2022-01-10 10:09:19,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2563 to 2562. [2022-01-10 10:09:19,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2562 states, 2561 states have (on average 1.0972276454509957) internal successors, (2810), 2561 states have internal predecessors, (2810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:19,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 2810 transitions. [2022-01-10 10:09:19,202 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 2810 transitions. Word has length 160 [2022-01-10 10:09:19,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:19,204 INFO L470 AbstractCegarLoop]: Abstraction has 2562 states and 2810 transitions. [2022-01-10 10:09:19,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:19,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 2810 transitions. [2022-01-10 10:09:19,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-01-10 10:09:19,207 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:19,207 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:09:19,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 10:09:19,208 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:19,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:19,208 INFO L85 PathProgramCache]: Analyzing trace with hash -2031160029, now seen corresponding path program 1 times [2022-01-10 10:09:19,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:19,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466253534] [2022-01-10 10:09:19,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:19,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:19,281 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-01-10 10:09:19,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:19,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466253534] [2022-01-10 10:09:19,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466253534] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:19,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:19,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:09:19,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843766980] [2022-01-10 10:09:19,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:19,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:09:19,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:19,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:09:19,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:19,283 INFO L87 Difference]: Start difference. First operand 2562 states and 2810 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:19,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:19,729 INFO L93 Difference]: Finished difference Result 5964 states and 6597 transitions. [2022-01-10 10:09:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:09:19,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 195 [2022-01-10 10:09:19,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:19,736 INFO L225 Difference]: With dead ends: 5964 [2022-01-10 10:09:19,736 INFO L226 Difference]: Without dead ends: 3404 [2022-01-10 10:09:19,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:19,739 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 138 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:19,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 214 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:09:19,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2022-01-10 10:09:19,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3123. [2022-01-10 10:09:19,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3123 states, 3122 states have (on average 1.0996156310057654) internal successors, (3433), 3122 states have internal predecessors, (3433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 3123 states and 3433 transitions. [2022-01-10 10:09:19,788 INFO L78 Accepts]: Start accepts. Automaton has 3123 states and 3433 transitions. Word has length 195 [2022-01-10 10:09:19,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:19,788 INFO L470 AbstractCegarLoop]: Abstraction has 3123 states and 3433 transitions. [2022-01-10 10:09:19,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:19,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3123 states and 3433 transitions. [2022-01-10 10:09:19,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-01-10 10:09:19,791 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:19,792 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:09:19,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 10:09:19,792 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:19,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:19,792 INFO L85 PathProgramCache]: Analyzing trace with hash 631651183, now seen corresponding path program 1 times [2022-01-10 10:09:19,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:19,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267710780] [2022-01-10 10:09:19,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:19,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-01-10 10:09:19,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:19,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267710780] [2022-01-10 10:09:19,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267710780] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:19,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:19,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:09:19,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943256380] [2022-01-10 10:09:19,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:19,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 10:09:19,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:19,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 10:09:19,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 10:09:19,915 INFO L87 Difference]: Start difference. First operand 3123 states and 3433 transitions. Second operand has 5 states, 5 states have (on average 38.0) internal successors, (190), 4 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:20,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:20,716 INFO L93 Difference]: Finished difference Result 6593 states and 7234 transitions. [2022-01-10 10:09:20,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 10:09:20,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.0) internal successors, (190), 4 states have internal predecessors, (190), 0 states have call successors, (0), 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 211 [2022-01-10 10:09:20,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:20,722 INFO L225 Difference]: With dead ends: 6593 [2022-01-10 10:09:20,722 INFO L226 Difference]: Without dead ends: 2901 [2022-01-10 10:09:20,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 10:09:20,725 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 349 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:20,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [349 Valid, 116 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 10:09:20,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2901 states. [2022-01-10 10:09:20,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2901 to 2841. [2022-01-10 10:09:20,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2841 states, 2840 states have (on average 1.072887323943662) internal successors, (3047), 2840 states have internal predecessors, (3047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:20,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 3047 transitions. [2022-01-10 10:09:20,796 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 3047 transitions. Word has length 211 [2022-01-10 10:09:20,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:20,796 INFO L470 AbstractCegarLoop]: Abstraction has 2841 states and 3047 transitions. [2022-01-10 10:09:20,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.0) internal successors, (190), 4 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:20,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3047 transitions. [2022-01-10 10:09:20,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-01-10 10:09:20,809 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:20,810 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:09:20,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 10:09:20,810 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:20,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:20,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1687130659, now seen corresponding path program 1 times [2022-01-10 10:09:20,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:20,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107612163] [2022-01-10 10:09:20,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:20,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-01-10 10:09:20,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:20,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107612163] [2022-01-10 10:09:20,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107612163] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:20,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:20,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:09:20,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535812628] [2022-01-10 10:09:20,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:20,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:09:20,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:20,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:09:20,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:20,942 INFO L87 Difference]: Start difference. First operand 2841 states and 3047 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:21,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:21,289 INFO L93 Difference]: Finished difference Result 5536 states and 5927 transitions. [2022-01-10 10:09:21,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:09:21,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 218 [2022-01-10 10:09:21,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:21,311 INFO L225 Difference]: With dead ends: 5536 [2022-01-10 10:09:21,311 INFO L226 Difference]: Without dead ends: 2697 [2022-01-10 10:09:21,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:21,314 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 151 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:21,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 61 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 10:09:21,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2022-01-10 10:09:21,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 2695. [2022-01-10 10:09:21,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2695 states, 2694 states have (on average 1.052709725315516) internal successors, (2836), 2694 states have internal predecessors, (2836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2695 states and 2836 transitions. [2022-01-10 10:09:21,348 INFO L78 Accepts]: Start accepts. Automaton has 2695 states and 2836 transitions. Word has length 218 [2022-01-10 10:09:21,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:21,348 INFO L470 AbstractCegarLoop]: Abstraction has 2695 states and 2836 transitions. [2022-01-10 10:09:21,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:21,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 2836 transitions. [2022-01-10 10:09:21,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-01-10 10:09:21,352 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:21,352 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:09:21,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 10:09:21,352 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:21,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:21,352 INFO L85 PathProgramCache]: Analyzing trace with hash -372095690, now seen corresponding path program 1 times [2022-01-10 10:09:21,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:21,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537080725] [2022-01-10 10:09:21,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:21,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:21,458 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-01-10 10:09:21,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:21,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537080725] [2022-01-10 10:09:21,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537080725] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:21,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:21,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:09:21,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499796175] [2022-01-10 10:09:21,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:21,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:09:21,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:21,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:09:21,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:21,460 INFO L87 Difference]: Start difference. First operand 2695 states and 2836 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:21,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:21,866 INFO L93 Difference]: Finished difference Result 4679 states and 4904 transitions. [2022-01-10 10:09:21,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:09:21,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 [2022-01-10 10:09:21,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:21,871 INFO L225 Difference]: With dead ends: 4679 [2022-01-10 10:09:21,871 INFO L226 Difference]: Without dead ends: 1986 [2022-01-10 10:09:21,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:21,874 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 152 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:21,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 52 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:09:21,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2022-01-10 10:09:21,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1846. [2022-01-10 10:09:21,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1846 states, 1845 states have (on average 1.0390243902439025) internal successors, (1917), 1845 states have internal predecessors, (1917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:21,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 1917 transitions. [2022-01-10 10:09:21,895 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 1917 transitions. Word has length 234 [2022-01-10 10:09:21,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:21,896 INFO L470 AbstractCegarLoop]: Abstraction has 1846 states and 1917 transitions. [2022-01-10 10:09:21,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:21,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 1917 transitions. [2022-01-10 10:09:21,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-01-10 10:09:21,899 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:21,899 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 10:09:21,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-10 10:09:21,899 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:21,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:21,899 INFO L85 PathProgramCache]: Analyzing trace with hash 428768838, now seen corresponding path program 1 times [2022-01-10 10:09:21,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:21,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778044492] [2022-01-10 10:09:21,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:21,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:09:22,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:22,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778044492] [2022-01-10 10:09:22,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778044492] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:22,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:22,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:09:22,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283354671] [2022-01-10 10:09:22,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:22,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:09:22,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:22,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:09:22,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:09:22,021 INFO L87 Difference]: Start difference. First operand 1846 states and 1917 transitions. Second operand has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:22,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:22,769 INFO L93 Difference]: Finished difference Result 3684 states and 3818 transitions. [2022-01-10 10:09:22,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:09:22,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2022-01-10 10:09:22,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:22,774 INFO L225 Difference]: With dead ends: 3684 [2022-01-10 10:09:22,774 INFO L226 Difference]: Without dead ends: 1700 [2022-01-10 10:09:22,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:09:22,776 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 231 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:22,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 211 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 10:09:22,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2022-01-10 10:09:22,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1559. [2022-01-10 10:09:22,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1559 states, 1558 states have (on average 1.030808729139923) internal successors, (1606), 1558 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:22,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 1606 transitions. [2022-01-10 10:09:22,796 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 1606 transitions. Word has length 241 [2022-01-10 10:09:22,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:22,796 INFO L470 AbstractCegarLoop]: Abstraction has 1559 states and 1606 transitions. [2022-01-10 10:09:22,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:22,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1606 transitions. [2022-01-10 10:09:22,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-01-10 10:09:22,799 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:22,799 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:09:22,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-10 10:09:22,799 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:22,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:22,800 INFO L85 PathProgramCache]: Analyzing trace with hash 366041376, now seen corresponding path program 1 times [2022-01-10 10:09:22,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:22,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685251728] [2022-01-10 10:09:22,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:22,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-01-10 10:09:22,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:22,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685251728] [2022-01-10 10:09:22,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685251728] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:22,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:22,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:09:22,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496970150] [2022-01-10 10:09:22,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:22,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:09:22,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:22,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:09:22,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:09:22,993 INFO L87 Difference]: Start difference. First operand 1559 states and 1606 transitions. Second operand has 4 states, 4 states have (on average 46.75) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:23,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:23,312 INFO L93 Difference]: Finished difference Result 3198 states and 3296 transitions. [2022-01-10 10:09:23,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:09:23,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.75) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 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 253 [2022-01-10 10:09:23,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:23,315 INFO L225 Difference]: With dead ends: 3198 [2022-01-10 10:09:23,315 INFO L226 Difference]: Without dead ends: 1135 [2022-01-10 10:09:23,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:09:23,317 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 112 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:23,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 38 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 10:09:23,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-01-10 10:09:23,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1135. [2022-01-10 10:09:23,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 1134 states have (on average 1.0229276895943562) internal successors, (1160), 1134 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:23,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1160 transitions. [2022-01-10 10:09:23,340 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1160 transitions. Word has length 253 [2022-01-10 10:09:23,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:23,340 INFO L470 AbstractCegarLoop]: Abstraction has 1135 states and 1160 transitions. [2022-01-10 10:09:23,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.75) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:23,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1160 transitions. [2022-01-10 10:09:23,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-01-10 10:09:23,343 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:09:23,343 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 10:09:23,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-10 10:09:23,343 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:09:23,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:09:23,344 INFO L85 PathProgramCache]: Analyzing trace with hash 159969765, now seen corresponding path program 1 times [2022-01-10 10:09:23,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:09:23,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178871570] [2022-01-10 10:09:23,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:09:23,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:09:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:09:23,463 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-01-10 10:09:23,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:09:23,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178871570] [2022-01-10 10:09:23,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178871570] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:09:23,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:09:23,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:09:23,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268613777] [2022-01-10 10:09:23,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:09:23,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:09:23,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:09:23,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:09:23,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:09:23,465 INFO L87 Difference]: Start difference. First operand 1135 states and 1160 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:23,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:09:23,616 INFO L93 Difference]: Finished difference Result 1697 states and 1736 transitions. [2022-01-10 10:09:23,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:09:23,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 303 [2022-01-10 10:09:23,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:09:23,617 INFO L225 Difference]: With dead ends: 1697 [2022-01-10 10:09:23,617 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 10:09:23,618 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 [2022-01-10 10:09:23,618 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 114 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 10:09:23,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 8 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 10:09:23,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 10:09:23,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 10:09:23,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 10:09:23,619 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 303 [2022-01-10 10:09:23,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:09:23,620 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 10:09:23,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:09:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 10:09:23,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 10:09:23,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 10:09:23,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-10 10:09:23,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 10:09:24,166 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 10:09:24,167 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 10:09:24,167 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse3 (= ~a11~0Int 1)) (.cse14 (= 7 ~a28~0Int))) (let ((.cse0 (<= 11 ~a28~0Int)) (.cse12 (<= ~a28~0Int 7)) (.cse11 (<= ~a25~0Int 0)) (.cse9 (<= ~a19~0Int 0)) (.cse13 (<= ~a28~0Int 8)) (.cse6 (not .cse14)) (.cse7 (<= 9 ~a28~0Int)) (.cse8 (<= ~a28~0Int 10)) (.cse4 (= ~a21~0Int 1)) (.cse5 (= ~a17~0Int 8)) (.cse10 (not .cse3)) (.cse1 (= ~a25~0Int 1)) (.cse2 (= ~a19~0Int 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse2) (and .cse7 .cse4 .cse8 .cse1 .cse9) (and .cse3 .cse9) (and .cse3 .cse0) (and .cse4 .cse5 .cse10 .cse11 .cse12 .cse2) (and .cse4 .cse12 .cse9) (and .cse13 .cse4 .cse11 .cse9) (and .cse13 .cse4 .cse10 .cse6 .cse1 .cse2) (and .cse3 (= 7 ~a17~0Int) .cse4 .cse14 .cse1 .cse2) (and .cse7 .cse4 .cse5 .cse8 .cse2) (and .cse4 .cse5 .cse10 .cse1 .cse2)))) [2022-01-10 10:09:24,167 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-01-10 10:09:24,167 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-01-10 10:09:24,167 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 10:09:24,167 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-01-10 10:09:24,167 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 10:09:24,167 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse3 (= ~a11~0Int 1)) (.cse14 (= 7 ~a28~0Int))) (let ((.cse0 (<= 11 ~a28~0Int)) (.cse12 (<= ~a28~0Int 7)) (.cse11 (<= ~a25~0Int 0)) (.cse9 (<= ~a19~0Int 0)) (.cse13 (<= ~a28~0Int 8)) (.cse6 (not .cse14)) (.cse7 (<= 9 ~a28~0Int)) (.cse8 (<= ~a28~0Int 10)) (.cse4 (= ~a21~0Int 1)) (.cse5 (= ~a17~0Int 8)) (.cse10 (not .cse3)) (.cse1 (= ~a25~0Int 1)) (.cse2 (= ~a19~0Int 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse2) (and .cse7 .cse4 .cse8 .cse1 .cse9) (and .cse3 .cse9) (and .cse3 .cse0) (and .cse4 .cse5 .cse10 .cse11 .cse12 .cse2) (and .cse4 .cse12 .cse9) (and .cse13 .cse4 .cse11 .cse9) (and .cse13 .cse4 .cse10 .cse6 .cse1 .cse2) (and .cse3 (= 7 ~a17~0Int) .cse4 .cse14 .cse1 .cse2) (and .cse7 .cse4 .cse5 .cse8 .cse2) (and .cse4 .cse5 .cse10 .cse1 .cse2)))) [2022-01-10 10:09:24,167 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-01-10 10:09:24,167 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-01-10 10:09:24,168 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-01-10 10:09:24,169 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-01-10 10:09:24,170 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-01-10 10:09:24,171 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-01-10 10:09:24,172 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-01-10 10:09:24,173 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-01-10 10:09:24,174 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-01-10 10:09:24,175 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-01-10 10:09:24,176 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-01-10 10:09:24,177 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,178 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-01-10 10:09:24,179 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,179 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-01-10 10:09:24,179 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,179 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-01-10 10:09:24,179 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,179 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-01-10 10:09:24,179 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,179 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-01-10 10:09:24,179 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,179 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-01-10 10:09:24,179 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 10:09:24,179 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-01-10 10:09:24,179 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-01-10 10:09:24,182 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:09:24,183 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 10:09:24,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 10:09:24 BasicIcfg [2022-01-10 10:09:24,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 10:09:24,200 INFO L158 Benchmark]: Toolchain (without parser) took 13008.28ms. Allocated memory was 168.8MB in the beginning and 339.7MB in the end (delta: 170.9MB). Free memory was 117.0MB in the beginning and 190.4MB in the end (delta: -73.4MB). Peak memory consumption was 97.8MB. Max. memory is 8.0GB. [2022-01-10 10:09:24,200 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 168.8MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 10:09:24,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.08ms. Allocated memory is still 168.8MB. Free memory was 116.9MB in the beginning and 128.6MB in the end (delta: -11.8MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2022-01-10 10:09:24,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.04ms. Allocated memory is still 168.8MB. Free memory was 128.6MB in the beginning and 123.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 10:09:24,201 INFO L158 Benchmark]: Boogie Preprocessor took 38.23ms. Allocated memory is still 168.8MB. Free memory was 123.5MB in the beginning and 119.2MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 10:09:24,201 INFO L158 Benchmark]: RCFGBuilder took 780.52ms. Allocated memory is still 168.8MB. Free memory was 118.7MB in the beginning and 124.2MB in the end (delta: -5.5MB). Peak memory consumption was 45.3MB. Max. memory is 8.0GB. [2022-01-10 10:09:24,202 INFO L158 Benchmark]: IcfgTransformer took 137.74ms. Allocated memory is still 168.8MB. Free memory was 124.2MB in the beginning and 89.6MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2022-01-10 10:09:24,202 INFO L158 Benchmark]: TraceAbstraction took 11430.19ms. Allocated memory was 168.8MB in the beginning and 339.7MB in the end (delta: 170.9MB). Free memory was 89.1MB in the beginning and 190.4MB in the end (delta: -101.3MB). Peak memory consumption was 69.1MB. Max. memory is 8.0GB. [2022-01-10 10:09:24,203 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 168.8MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 565.08ms. Allocated memory is still 168.8MB. Free memory was 116.9MB in the beginning and 128.6MB in the end (delta: -11.8MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.04ms. Allocated memory is still 168.8MB. Free memory was 128.6MB in the beginning and 123.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.23ms. Allocated memory is still 168.8MB. Free memory was 123.5MB in the beginning and 119.2MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 780.52ms. Allocated memory is still 168.8MB. Free memory was 118.7MB in the beginning and 124.2MB in the end (delta: -5.5MB). Peak memory consumption was 45.3MB. Max. memory is 8.0GB. * IcfgTransformer took 137.74ms. Allocated memory is still 168.8MB. Free memory was 124.2MB in the beginning and 89.6MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 11430.19ms. Allocated memory was 168.8MB in the beginning and 339.7MB in the end (delta: 170.9MB). Free memory was 89.1MB in the beginning and 190.4MB in the end (delta: -101.3MB). Peak memory consumption was 69.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 515]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 15, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2616 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2616 mSDsluCounter, 2007 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 318 mSDsCounter, 1045 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7125 IncrementalHoareTripleChecker+Invalid, 8170 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1045 mSolverCounterUnsat, 1689 mSDtfsCounter, 7125 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3123occurred in iteration=9, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 784 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 57 NumberOfFragments, 349 HoareAnnotationTreeSize, 3 FomulaSimplifications, 718 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1550 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2734 NumberOfCodeBlocks, 2734 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2719 ConstructedInterpolants, 0 QuantifiedInterpolants, 12010 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 1851/1851 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((((((1bv32 == a11 && ~bvule32(11bv32, a28)) || ((((1bv32 == a25 && !(1bv32 == a11)) && 1bv32 == a19) && 1bv32 == a21) && 8bv32 == a17)) || ((((1bv32 == a11 && 1bv32 == a19) && !(7bv32 == a28)) && 1bv32 == a21) && 8bv32 == a17)) || (1bv32 == a11 && ~bvule32(a19, 0bv32))) || (((~bvule32(a25, 0bv32) && ~bvule32(a19, 0bv32)) && 1bv32 == a21) && ~bvule32(a28, 8bv32))) || (((((!(1bv32 == a11) && 1bv32 == a19) && ~bvule32(a25, 0bv32)) && ~bvule32(a28, 7bv32)) && 1bv32 == a21) && 8bv32 == a17)) || (((((1bv32 == a25 && !(1bv32 == a11)) && 1bv32 == a19) && !(7bv32 == a28)) && 1bv32 == a21) && ~bvule32(a28, 8bv32))) || ((1bv32 == a25 && 1bv32 == a19) && ~bvule32(11bv32, a28))) || ((((1bv32 == a25 && ~bvule32(a28, 10bv32)) && ~bvule32(a19, 0bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21)) || ((~bvule32(a19, 0bv32) && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || (((((7bv32 == a17 && 1bv32 == a11) && 1bv32 == a25) && 7bv32 == a28) && 1bv32 == a19) && 1bv32 == a21)) || ((((1bv32 == a19 && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21) && 8bv32 == a17) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((((1bv32 == a11 && ~bvule32(11bv32, a28)) || ((((1bv32 == a25 && !(1bv32 == a11)) && 1bv32 == a19) && 1bv32 == a21) && 8bv32 == a17)) || ((((1bv32 == a11 && 1bv32 == a19) && !(7bv32 == a28)) && 1bv32 == a21) && 8bv32 == a17)) || (1bv32 == a11 && ~bvule32(a19, 0bv32))) || (((~bvule32(a25, 0bv32) && ~bvule32(a19, 0bv32)) && 1bv32 == a21) && ~bvule32(a28, 8bv32))) || (((((!(1bv32 == a11) && 1bv32 == a19) && ~bvule32(a25, 0bv32)) && ~bvule32(a28, 7bv32)) && 1bv32 == a21) && 8bv32 == a17)) || (((((1bv32 == a25 && !(1bv32 == a11)) && 1bv32 == a19) && !(7bv32 == a28)) && 1bv32 == a21) && ~bvule32(a28, 8bv32))) || ((1bv32 == a25 && 1bv32 == a19) && ~bvule32(11bv32, a28))) || ((((1bv32 == a25 && ~bvule32(a28, 10bv32)) && ~bvule32(a19, 0bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21)) || ((~bvule32(a19, 0bv32) && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || (((((7bv32 == a17 && 1bv32 == a11) && 1bv32 == a25) && 7bv32 == a28) && 1bv32 == a19) && 1bv32 == a21)) || ((((1bv32 == a19 && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21) && 8bv32 == a17) RESULT: Ultimate proved your program to be correct! [2022-01-10 10:09:24,234 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...