/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_LAZY.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 15:59:00,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 15:59:00,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 15:59:00,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 15:59:00,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 15:59:00,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 15:59:00,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 15:59:00,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 15:59:00,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 15:59:00,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 15:59:00,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 15:59:00,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 15:59:00,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 15:59:00,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 15:59:00,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 15:59:00,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 15:59:00,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 15:59:00,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 15:59:00,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 15:59:00,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 15:59:00,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 15:59:00,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 15:59:00,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 15:59:00,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 15:59:00,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 15:59:00,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 15:59:00,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 15:59:00,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 15:59:00,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 15:59:00,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 15:59:00,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 15:59:00,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 15:59:00,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 15:59:00,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 15:59:00,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 15:59:00,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 15:59:00,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 15:59:00,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 15:59:00,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 15:59:00,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 15:59:00,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 15:59:00,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 15:59:00,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 15:59:00,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 15:59:00,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 15:59:00,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 15:59:00,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 15:59:00,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 15:59:00,733 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 15:59:00,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 15:59:00,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 15:59:00,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 15:59:00,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 15:59:00,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 15:59:00,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 15:59:00,734 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 15:59:00,734 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 15:59:00,734 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 15:59:00,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 15:59:00,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 15:59:00,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 15:59:00,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 15:59:00,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 15:59:00,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:59:00,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 15:59:00,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 15:59:00,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 15:59:00,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 15:59:00,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 15:59:00,741 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 15:59:00,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 15:59:00,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 15:59:00,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 15:59:00,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 15:59:00,743 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 15:59:00,744 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 15:59:00,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 15:59:00,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 15:59:00,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 15:59:00,978 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 15:59:00,979 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 15:59:00,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2022-01-10 15:59:01,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3719a97d/06755b6ddd504a03b327047aa6acb365/FLAG87161f909 [2022-01-10 15:59:01,384 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 15:59:01,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2022-01-10 15:59:01,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3719a97d/06755b6ddd504a03b327047aa6acb365/FLAG87161f909 [2022-01-10 15:59:01,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3719a97d/06755b6ddd504a03b327047aa6acb365 [2022-01-10 15:59:01,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 15:59:01,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 15:59:01,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 15:59:01,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 15:59:01,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 15:59:01,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:59:01" (1/1) ... [2022-01-10 15:59:01,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc720a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:01, skipping insertion in model container [2022-01-10 15:59:01,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:59:01" (1/1) ... [2022-01-10 15:59:01,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 15:59:01,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 15:59:01,784 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_label35.c[16104,16117] [2022-01-10 15:59:01,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:59:01,898 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 15:59:02,023 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_label35.c[16104,16117] [2022-01-10 15:59:02,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:59:02,072 INFO L208 MainTranslator]: Completed translation [2022-01-10 15:59:02,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:02 WrapperNode [2022-01-10 15:59:02,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 15:59:02,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 15:59:02,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 15:59:02,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 15:59:02,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:02" (1/1) ... [2022-01-10 15:59:02,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:02" (1/1) ... [2022-01-10 15:59:02,195 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 666 [2022-01-10 15:59:02,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 15:59:02,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 15:59:02,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 15:59:02,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 15:59:02,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:02" (1/1) ... [2022-01-10 15:59:02,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:02" (1/1) ... [2022-01-10 15:59:02,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:02" (1/1) ... [2022-01-10 15:59:02,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:02" (1/1) ... [2022-01-10 15:59:02,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:02" (1/1) ... [2022-01-10 15:59:02,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:02" (1/1) ... [2022-01-10 15:59:02,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:02" (1/1) ... [2022-01-10 15:59:02,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 15:59:02,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 15:59:02,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 15:59:02,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 15:59:02,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:02" (1/1) ... [2022-01-10 15:59:02,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:59:02,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:59:02,385 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 15:59:02,429 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 15:59:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 15:59:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 15:59:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 15:59:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 15:59:02,558 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 15:59:02,571 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 15:59:03,488 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 15:59:03,495 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 15:59:03,495 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 15:59:03,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:59:03 BoogieIcfgContainer [2022-01-10 15:59:03,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 15:59:03,497 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 15:59:03,497 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 15:59:03,498 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 15:59:03,500 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:59:03" (1/1) ... [2022-01-10 15:59:03,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:59:03 BasicIcfg [2022-01-10 15:59:03,689 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 15:59:03,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 15:59:03,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 15:59:03,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 15:59:03,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:59:01" (1/4) ... [2022-01-10 15:59:03,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255c51b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:59:03, skipping insertion in model container [2022-01-10 15:59:03,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:59:02" (2/4) ... [2022-01-10 15:59:03,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255c51b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:59:03, skipping insertion in model container [2022-01-10 15:59:03,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:59:03" (3/4) ... [2022-01-10 15:59:03,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255c51b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:59:03, skipping insertion in model container [2022-01-10 15:59:03,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:59:03" (4/4) ... [2022-01-10 15:59:03,696 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label35.cTransformedIcfg [2022-01-10 15:59:03,700 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 15:59:03,700 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 15:59:03,746 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 15:59:03,751 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 15:59:03,751 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 15:59:03,769 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 15:59:03,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-01-10 15:59:03,778 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:03,779 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] [2022-01-10 15:59:03,779 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:03,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:03,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1994880171, now seen corresponding path program 1 times [2022-01-10 15:59:03,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:03,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406170503] [2022-01-10 15:59:03,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:03,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:04,133 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 15:59:04,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:04,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406170503] [2022-01-10 15:59:04,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406170503] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:04,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:04,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:59:04,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216630184] [2022-01-10 15:59:04,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:04,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:04,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:04,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:04,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:04,159 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 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states 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 15:59:04,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:04,827 INFO L93 Difference]: Finished difference Result 601 states and 1035 transitions. [2022-01-10 15:59:04,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:04,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-01-10 15:59:04,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:04,840 INFO L225 Difference]: With dead ends: 601 [2022-01-10 15:59:04,840 INFO L226 Difference]: Without dead ends: 310 [2022-01-10 15:59:04,843 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 15:59:04,845 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 140 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:04,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 116 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 15:59:04,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-01-10 15:59:04,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2022-01-10 15:59:04,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.4368932038834952) internal successors, (444), 309 states have internal predecessors, (444), 0 states have call successors, (0), 0 states 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 15:59:04,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2022-01-10 15:59:04,882 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 94 [2022-01-10 15:59:04,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:04,883 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2022-01-10 15:59:04,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states 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 15:59:04,883 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2022-01-10 15:59:04,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-01-10 15:59:04,887 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:04,888 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 15:59:04,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 15:59:04,888 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:04,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:04,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1652409527, now seen corresponding path program 1 times [2022-01-10 15:59:04,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:04,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893092979] [2022-01-10 15:59:04,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:04,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:59:04,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:04,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893092979] [2022-01-10 15:59:04,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893092979] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:04,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:04,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:59:04,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959527171] [2022-01-10 15:59:04,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:04,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:04,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:04,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:04,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:04,982 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states 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 15:59:05,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:05,398 INFO L93 Difference]: Finished difference Result 902 states and 1298 transitions. [2022-01-10 15:59:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:05,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-01-10 15:59:05,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:05,401 INFO L225 Difference]: With dead ends: 902 [2022-01-10 15:59:05,401 INFO L226 Difference]: Without dead ends: 594 [2022-01-10 15:59:05,402 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 15:59:05,403 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 130 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:05,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 122 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:59:05,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2022-01-10 15:59:05,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2022-01-10 15:59:05,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 591 states have (on average 1.2707275803722504) internal successors, (751), 591 states have internal predecessors, (751), 0 states have call successors, (0), 0 states 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 15:59:05,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 751 transitions. [2022-01-10 15:59:05,421 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 751 transitions. Word has length 112 [2022-01-10 15:59:05,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:05,421 INFO L470 AbstractCegarLoop]: Abstraction has 592 states and 751 transitions. [2022-01-10 15:59:05,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states 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 15:59:05,421 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 751 transitions. [2022-01-10 15:59:05,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-01-10 15:59:05,425 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:05,425 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-10 15:59:05,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 15:59:05,425 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:05,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:05,426 INFO L85 PathProgramCache]: Analyzing trace with hash -246795099, now seen corresponding path program 1 times [2022-01-10 15:59:05,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:05,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989672182] [2022-01-10 15:59:05,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:05,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:05,532 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:59:05,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:05,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989672182] [2022-01-10 15:59:05,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989672182] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:05,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:05,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:59:05,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316888225] [2022-01-10 15:59:05,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:05,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:05,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:05,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:05,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:05,534 INFO L87 Difference]: Start difference. First operand 592 states and 751 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states 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 15:59:06,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:06,025 INFO L93 Difference]: Finished difference Result 1759 states and 2233 transitions. [2022-01-10 15:59:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:06,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-01-10 15:59:06,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:06,030 INFO L225 Difference]: With dead ends: 1759 [2022-01-10 15:59:06,030 INFO L226 Difference]: Without dead ends: 1169 [2022-01-10 15:59:06,035 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 15:59:06,037 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 187 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:06,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 109 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 15:59:06,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2022-01-10 15:59:06,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1167. [2022-01-10 15:59:06,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 1166 states have (on average 1.2358490566037736) internal successors, (1441), 1166 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states 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 15:59:06,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1441 transitions. [2022-01-10 15:59:06,072 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1441 transitions. Word has length 113 [2022-01-10 15:59:06,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:06,072 INFO L470 AbstractCegarLoop]: Abstraction has 1167 states and 1441 transitions. [2022-01-10 15:59:06,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states 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 15:59:06,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1441 transitions. [2022-01-10 15:59:06,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-10 15:59:06,077 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:06,078 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:59:06,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 15:59:06,078 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:06,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:06,078 INFO L85 PathProgramCache]: Analyzing trace with hash 964507434, now seen corresponding path program 1 times [2022-01-10 15:59:06,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:06,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092459767] [2022-01-10 15:59:06,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:06,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:06,131 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:59:06,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:06,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092459767] [2022-01-10 15:59:06,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092459767] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:06,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:06,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:06,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743255415] [2022-01-10 15:59:06,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:06,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:06,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:06,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:06,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:06,133 INFO L87 Difference]: Start difference. First operand 1167 states and 1441 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states 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 15:59:06,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:06,608 INFO L93 Difference]: Finished difference Result 2754 states and 3450 transitions. [2022-01-10 15:59:06,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:06,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-10 15:59:06,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:06,614 INFO L225 Difference]: With dead ends: 2754 [2022-01-10 15:59:06,614 INFO L226 Difference]: Without dead ends: 1589 [2022-01-10 15:59:06,616 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 15:59:06,623 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 168 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:06,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 52 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:59:06,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2022-01-10 15:59:06,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1587. [2022-01-10 15:59:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1586 states have (on average 1.2402269861286255) internal successors, (1967), 1586 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states 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 15:59:06,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 1967 transitions. [2022-01-10 15:59:06,649 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 1967 transitions. Word has length 117 [2022-01-10 15:59:06,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:06,650 INFO L470 AbstractCegarLoop]: Abstraction has 1587 states and 1967 transitions. [2022-01-10 15:59:06,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states 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 15:59:06,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 1967 transitions. [2022-01-10 15:59:06,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-10 15:59:06,657 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:06,657 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 15:59:06,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 15:59:06,657 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:06,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:06,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1228253402, now seen corresponding path program 1 times [2022-01-10 15:59:06,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:06,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004815327] [2022-01-10 15:59:06,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:06,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:06,831 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-10 15:59:06,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:06,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004815327] [2022-01-10 15:59:06,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004815327] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:06,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:06,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:06,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65946652] [2022-01-10 15:59:06,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:06,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:06,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:06,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:06,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:06,833 INFO L87 Difference]: Start difference. First operand 1587 states and 1967 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states 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 15:59:07,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:07,244 INFO L93 Difference]: Finished difference Result 4452 states and 5520 transitions. [2022-01-10 15:59:07,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:07,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-01-10 15:59:07,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:07,252 INFO L225 Difference]: With dead ends: 4452 [2022-01-10 15:59:07,252 INFO L226 Difference]: Without dead ends: 2867 [2022-01-10 15:59:07,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:07,255 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 82 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:07,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 128 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:59:07,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2867 states. [2022-01-10 15:59:07,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2867 to 2857. [2022-01-10 15:59:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2857 states, 2856 states have (on average 1.2139355742296918) internal successors, (3467), 2856 states have internal predecessors, (3467), 0 states have call successors, (0), 0 states 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 15:59:07,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2857 states and 3467 transitions. [2022-01-10 15:59:07,295 INFO L78 Accepts]: Start accepts. Automaton has 2857 states and 3467 transitions. Word has length 121 [2022-01-10 15:59:07,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:07,296 INFO L470 AbstractCegarLoop]: Abstraction has 2857 states and 3467 transitions. [2022-01-10 15:59:07,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states 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 15:59:07,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 3467 transitions. [2022-01-10 15:59:07,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-01-10 15:59:07,308 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:07,308 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:59:07,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 15:59:07,308 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:07,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:07,309 INFO L85 PathProgramCache]: Analyzing trace with hash 626980885, now seen corresponding path program 1 times [2022-01-10 15:59:07,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:07,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953776499] [2022-01-10 15:59:07,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:07,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:07,375 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-01-10 15:59:07,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:07,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953776499] [2022-01-10 15:59:07,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953776499] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:07,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:07,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:07,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040606899] [2022-01-10 15:59:07,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:07,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:07,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:07,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:07,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:07,378 INFO L87 Difference]: Start difference. First operand 2857 states and 3467 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states 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 15:59:07,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:07,866 INFO L93 Difference]: Finished difference Result 6696 states and 8178 transitions. [2022-01-10 15:59:07,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:07,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 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 132 [2022-01-10 15:59:07,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:07,876 INFO L225 Difference]: With dead ends: 6696 [2022-01-10 15:59:07,876 INFO L226 Difference]: Without dead ends: 3841 [2022-01-10 15:59:07,880 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 15:59:07,882 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 143 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:07,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 259 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:59:07,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3841 states. [2022-01-10 15:59:07,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3841 to 3557. [2022-01-10 15:59:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3557 states, 3556 states have (on average 1.1619797525309337) internal successors, (4132), 3556 states have internal predecessors, (4132), 0 states have call successors, (0), 0 states 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 15:59:07,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3557 states to 3557 states and 4132 transitions. [2022-01-10 15:59:07,933 INFO L78 Accepts]: Start accepts. Automaton has 3557 states and 4132 transitions. Word has length 132 [2022-01-10 15:59:07,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:07,933 INFO L470 AbstractCegarLoop]: Abstraction has 3557 states and 4132 transitions. [2022-01-10 15:59:07,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states 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 15:59:07,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3557 states and 4132 transitions. [2022-01-10 15:59:07,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-10 15:59:07,936 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:07,937 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:59:07,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 15:59:07,937 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:07,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:07,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1278659480, now seen corresponding path program 1 times [2022-01-10 15:59:07,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:07,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606568750] [2022-01-10 15:59:07,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:07,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:59:08,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:08,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606568750] [2022-01-10 15:59:08,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606568750] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:08,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:08,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 15:59:08,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961444096] [2022-01-10 15:59:08,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:08,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 15:59:08,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:08,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 15:59:08,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:59:08,041 INFO L87 Difference]: Start difference. First operand 3557 states and 4132 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states 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 15:59:08,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:08,913 INFO L93 Difference]: Finished difference Result 8468 states and 9808 transitions. [2022-01-10 15:59:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 15:59:08,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-01-10 15:59:08,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:08,926 INFO L225 Difference]: With dead ends: 8468 [2022-01-10 15:59:08,926 INFO L226 Difference]: Without dead ends: 4913 [2022-01-10 15:59:08,929 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 15:59:08,930 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 422 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:08,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 139 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-10 15:59:08,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4913 states. [2022-01-10 15:59:08,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4913 to 4117. [2022-01-10 15:59:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4117 states, 4116 states have (on average 1.1423712342079688) internal successors, (4702), 4116 states have internal predecessors, (4702), 0 states have call successors, (0), 0 states 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 15:59:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4117 states to 4117 states and 4702 transitions. [2022-01-10 15:59:09,005 INFO L78 Accepts]: Start accepts. Automaton has 4117 states and 4702 transitions. Word has length 135 [2022-01-10 15:59:09,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:09,005 INFO L470 AbstractCegarLoop]: Abstraction has 4117 states and 4702 transitions. [2022-01-10 15:59:09,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states 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 15:59:09,006 INFO L276 IsEmpty]: Start isEmpty. Operand 4117 states and 4702 transitions. [2022-01-10 15:59:09,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-01-10 15:59:09,009 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:09,010 INFO L514 BasicCegarLoop]: trace histogram [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, 3, 3, 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 15:59:09,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 15:59:09,010 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:09,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:09,010 INFO L85 PathProgramCache]: Analyzing trace with hash 876879587, now seen corresponding path program 1 times [2022-01-10 15:59:09,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:09,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894971520] [2022-01-10 15:59:09,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:09,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:59:09,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:09,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894971520] [2022-01-10 15:59:09,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894971520] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:09,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:09,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:09,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901302212] [2022-01-10 15:59:09,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:09,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:09,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:09,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:09,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:09,090 INFO L87 Difference]: Start difference. First operand 4117 states and 4702 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states 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 15:59:09,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:09,536 INFO L93 Difference]: Finished difference Result 9356 states and 10833 transitions. [2022-01-10 15:59:09,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:09,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2022-01-10 15:59:09,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:09,548 INFO L225 Difference]: With dead ends: 9356 [2022-01-10 15:59:09,549 INFO L226 Difference]: Without dead ends: 5241 [2022-01-10 15:59:09,553 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 15:59:09,554 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 145 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:09,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 215 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:59:09,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5241 states. [2022-01-10 15:59:09,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5241 to 4819. [2022-01-10 15:59:09,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4819 states, 4818 states have (on average 1.1488169364881693) internal successors, (5535), 4818 states have internal predecessors, (5535), 0 states have call successors, (0), 0 states 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 15:59:09,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4819 states to 4819 states and 5535 transitions. [2022-01-10 15:59:09,628 INFO L78 Accepts]: Start accepts. Automaton has 4819 states and 5535 transitions. Word has length 156 [2022-01-10 15:59:09,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:09,629 INFO L470 AbstractCegarLoop]: Abstraction has 4819 states and 5535 transitions. [2022-01-10 15:59:09,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states 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 15:59:09,629 INFO L276 IsEmpty]: Start isEmpty. Operand 4819 states and 5535 transitions. [2022-01-10 15:59:09,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-01-10 15:59:09,633 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:09,633 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:59:09,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 15:59:09,634 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:09,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:09,634 INFO L85 PathProgramCache]: Analyzing trace with hash -2076827165, now seen corresponding path program 1 times [2022-01-10 15:59:09,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:09,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727707361] [2022-01-10 15:59:09,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:09,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:09,832 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-01-10 15:59:09,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:09,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727707361] [2022-01-10 15:59:09,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727707361] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:09,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:09,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:59:09,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309345794] [2022-01-10 15:59:09,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:09,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:09,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:09,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:09,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:09,834 INFO L87 Difference]: Start difference. First operand 4819 states and 5535 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states 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 15:59:10,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:10,335 INFO L93 Difference]: Finished difference Result 10754 states and 12357 transitions. [2022-01-10 15:59:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:10,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 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 179 [2022-01-10 15:59:10,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:10,348 INFO L225 Difference]: With dead ends: 10754 [2022-01-10 15:59:10,348 INFO L226 Difference]: Without dead ends: 5937 [2022-01-10 15:59:10,352 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 15:59:10,353 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 113 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:10,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 59 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 15:59:10,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5937 states. [2022-01-10 15:59:10,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5937 to 4956. [2022-01-10 15:59:10,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4956 states, 4955 states have (on average 1.1519677093844602) internal successors, (5708), 4955 states have internal predecessors, (5708), 0 states have call successors, (0), 0 states 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 15:59:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4956 states to 4956 states and 5708 transitions. [2022-01-10 15:59:10,409 INFO L78 Accepts]: Start accepts. Automaton has 4956 states and 5708 transitions. Word has length 179 [2022-01-10 15:59:10,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:10,409 INFO L470 AbstractCegarLoop]: Abstraction has 4956 states and 5708 transitions. [2022-01-10 15:59:10,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states 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 15:59:10,409 INFO L276 IsEmpty]: Start isEmpty. Operand 4956 states and 5708 transitions. [2022-01-10 15:59:10,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-01-10 15:59:10,415 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:10,415 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 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 15:59:10,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 15:59:10,416 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:10,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:10,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1384263893, now seen corresponding path program 1 times [2022-01-10 15:59:10,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:10,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566314737] [2022-01-10 15:59:10,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:10,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-01-10 15:59:10,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:10,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566314737] [2022-01-10 15:59:10,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566314737] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:10,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:10,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:10,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386130970] [2022-01-10 15:59:10,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:10,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 15:59:10,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:10,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 15:59:10,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:59:10,576 INFO L87 Difference]: Start difference. First operand 4956 states and 5708 transitions. Second operand has 4 states, 4 states have (on average 41.0) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states 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 15:59:11,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:11,147 INFO L93 Difference]: Finished difference Result 9994 states and 11538 transitions. [2022-01-10 15:59:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 15:59:11,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 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 192 [2022-01-10 15:59:11,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:11,169 INFO L225 Difference]: With dead ends: 9994 [2022-01-10 15:59:11,169 INFO L226 Difference]: Without dead ends: 4956 [2022-01-10 15:59:11,173 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 15:59:11,174 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 177 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:11,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 54 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 15:59:11,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4956 states. [2022-01-10 15:59:11,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4956 to 4956. [2022-01-10 15:59:11,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4956 states, 4955 states have (on average 1.148133198789102) internal successors, (5689), 4955 states have internal predecessors, (5689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:59:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4956 states to 4956 states and 5689 transitions. [2022-01-10 15:59:11,244 INFO L78 Accepts]: Start accepts. Automaton has 4956 states and 5689 transitions. Word has length 192 [2022-01-10 15:59:11,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:11,244 INFO L470 AbstractCegarLoop]: Abstraction has 4956 states and 5689 transitions. [2022-01-10 15:59:11,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states 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 15:59:11,245 INFO L276 IsEmpty]: Start isEmpty. Operand 4956 states and 5689 transitions. [2022-01-10 15:59:11,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-01-10 15:59:11,249 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:59:11,249 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 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, 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] [2022-01-10 15:59:11,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 15:59:11,250 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:59:11,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:59:11,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1211027912, now seen corresponding path program 1 times [2022-01-10 15:59:11,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:59:11,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114768307] [2022-01-10 15:59:11,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:59:11,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:59:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:59:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-01-10 15:59:11,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:59:11,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114768307] [2022-01-10 15:59:11,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114768307] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:59:11,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:59:11,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:59:11,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300869029] [2022-01-10 15:59:11,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:59:11,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:59:11,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:59:11,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:59:11,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:59:11,324 INFO L87 Difference]: Start difference. First operand 4956 states and 5689 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states 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 15:59:11,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:59:11,841 INFO L93 Difference]: Finished difference Result 8203 states and 9331 transitions. [2022-01-10 15:59:11,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:59:11,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 196 [2022-01-10 15:59:11,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:59:11,842 INFO L225 Difference]: With dead ends: 8203 [2022-01-10 15:59:11,842 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 15:59:11,847 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 15:59:11,847 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 111 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 15:59:11,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 243 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 15:59:11,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 15:59:11,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 15:59:11,848 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 15:59:11,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 15:59:11,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2022-01-10 15:59:11,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:59:11,849 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 15:59:11,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states 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 15:59:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 15:59:11,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 15:59:11,851 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 15:59:11,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 15:59:11,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 15:59:12,655 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 15:59:12,656 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 15:59:12,656 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse1 (<= 8 ~a17~0Int)) (.cse4 (<= ~a28~0Int 7)) (.cse7 (= ~a11~0Int 1)) (.cse5 (<= 9 ~a28~0Int)) (.cse3 (= ~a25~0Int 0)) (.cse6 (<= ~a28~0Int 10)) (.cse0 (= ~a21~0Int 1)) (.cse2 (= ~a11~0Int 0)) (.cse8 (= ~a19~0Int 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse6) (and .cse7 .cse0 .cse1 .cse4) (and .cse7 .cse0 .cse4 .cse8) (and .cse7 .cse0 (= ~a17~0Int 8) .cse6 .cse8) (and .cse7 .cse5 .cse0 .cse6) (and .cse5 .cse0 .cse2 .cse3 .cse6) (and .cse0 .cse2 .cse8))) [2022-01-10 15:59:12,656 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-01-10 15:59:12,656 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-01-10 15:59:12,656 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 15:59:12,657 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-01-10 15:59:12,657 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 15:59:12,657 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse1 (<= 8 ~a17~0Int)) (.cse4 (<= ~a28~0Int 7)) (.cse7 (= ~a11~0Int 1)) (.cse5 (<= 9 ~a28~0Int)) (.cse3 (= ~a25~0Int 0)) (.cse6 (<= ~a28~0Int 10)) (.cse0 (= ~a21~0Int 1)) (.cse2 (= ~a11~0Int 0)) (.cse8 (= ~a19~0Int 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse6) (and .cse7 .cse0 .cse1 .cse4) (and .cse7 .cse0 .cse4 .cse8) (and .cse7 .cse0 (= ~a17~0Int 8) .cse6 .cse8) (and .cse7 .cse5 .cse0 .cse6) (and .cse5 .cse0 .cse2 .cse3 .cse6) (and .cse0 .cse2 .cse8))) [2022-01-10 15:59:12,657 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-01-10 15:59:12,657 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-01-10 15:59:12,657 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-01-10 15:59:12,657 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-01-10 15:59:12,657 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-01-10 15:59:12,658 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-01-10 15:59:12,659 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-01-10 15:59:12,659 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-01-10 15:59:12,662 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-01-10 15:59:12,663 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-01-10 15:59:12,664 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-01-10 15:59:12,665 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-01-10 15:59:12,665 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-01-10 15:59:12,665 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-01-10 15:59:12,665 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-01-10 15:59:12,665 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-01-10 15:59:12,665 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-01-10 15:59:12,665 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-01-10 15:59:12,665 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-01-10 15:59:12,665 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-01-10 15:59:12,665 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-01-10 15:59:12,665 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-01-10 15:59:12,665 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-01-10 15:59:12,665 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-01-10 15:59:12,666 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,667 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-01-10 15:59:12,668 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,668 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-01-10 15:59:12,668 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,668 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-01-10 15:59:12,668 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,668 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2022-01-10 15:59:12,668 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-01-10 15:59:12,668 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,668 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-01-10 15:59:12,668 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,668 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-01-10 15:59:12,668 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,668 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-01-10 15:59:12,668 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,669 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,670 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,671 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,672 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-01-10 15:59:12,673 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-01-10 15:59:12,692 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:59:12,695 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 15:59:12,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:59:12 BasicIcfg [2022-01-10 15:59:12,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 15:59:12,727 INFO L158 Benchmark]: Toolchain (without parser) took 11311.55ms. Allocated memory was 189.8MB in the beginning and 380.6MB in the end (delta: 190.8MB). Free memory was 135.4MB in the beginning and 237.5MB in the end (delta: -102.2MB). Peak memory consumption was 207.3MB. Max. memory is 8.0GB. [2022-01-10 15:59:12,727 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 189.8MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 15:59:12,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 656.69ms. Allocated memory was 189.8MB in the beginning and 272.6MB in the end (delta: 82.8MB). Free memory was 135.1MB in the beginning and 229.4MB in the end (delta: -94.3MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. [2022-01-10 15:59:12,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.19ms. Allocated memory is still 272.6MB. Free memory was 228.9MB in the beginning and 223.7MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 15:59:12,727 INFO L158 Benchmark]: Boogie Preprocessor took 110.38ms. Allocated memory is still 272.6MB. Free memory was 223.7MB in the beginning and 219.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 15:59:12,728 INFO L158 Benchmark]: RCFGBuilder took 1176.90ms. Allocated memory is still 272.6MB. Free memory was 219.5MB in the beginning and 160.8MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. [2022-01-10 15:59:12,728 INFO L158 Benchmark]: IcfgTransformer took 192.47ms. Allocated memory is still 272.6MB. Free memory was 160.8MB in the beginning and 126.7MB in the end (delta: 34.1MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2022-01-10 15:59:12,728 INFO L158 Benchmark]: TraceAbstraction took 9034.32ms. Allocated memory was 272.6MB in the beginning and 380.6MB in the end (delta: 108.0MB). Free memory was 126.1MB in the beginning and 237.5MB in the end (delta: -111.4MB). Peak memory consumption was 114.6MB. Max. memory is 8.0GB. [2022-01-10 15:59:12,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 189.8MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 656.69ms. Allocated memory was 189.8MB in the beginning and 272.6MB in the end (delta: 82.8MB). Free memory was 135.1MB in the beginning and 229.4MB in the end (delta: -94.3MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 122.19ms. Allocated memory is still 272.6MB. Free memory was 228.9MB in the beginning and 223.7MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 110.38ms. Allocated memory is still 272.6MB. Free memory was 223.7MB in the beginning and 219.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1176.90ms. Allocated memory is still 272.6MB. Free memory was 219.5MB in the beginning and 160.8MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. * IcfgTransformer took 192.47ms. Allocated memory is still 272.6MB. Free memory was 160.8MB in the beginning and 126.7MB in the end (delta: 34.1MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 9034.32ms. Allocated memory was 272.6MB in the beginning and 380.6MB in the end (delta: 108.0MB). Free memory was 126.1MB in the beginning and 237.5MB in the end (delta: -111.4MB). Peak memory consumption was 114.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 464]: 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: 8.9s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1818 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1818 mSDsluCounter, 1496 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 941 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4771 IncrementalHoareTripleChecker+Invalid, 5712 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 941 mSolverCounterUnsat, 1282 mSDtfsCounter, 4771 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4956occurred in iteration=9, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 2499 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 53 NumberOfFragments, 249 HoareAnnotationTreeSize, 3 FomulaSimplifications, 756 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2694 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1547 NumberOfCodeBlocks, 1547 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1536 ConstructedInterpolants, 0 QuantifiedInterpolants, 5619 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 712/712 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: (((((((((((~bvule32(8bv32, a17) && 0bv32 == a11) && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21) || (((~bvule32(8bv32, a17) && 0bv32 == a25) && 0bv32 == a11) && 1bv32 == a21)) || ((((0bv32 == a25 && 0bv32 == a11) && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21)) || (((~bvule32(8bv32, a17) && 0bv32 == a11) && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || (((1bv32 == a11 && 1bv32 == a19) && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || (((1bv32 == a11 && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21)) || (((~bvule32(8bv32, a17) && 1bv32 == a11) && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || ((1bv32 == a19 && 0bv32 == a11) && 1bv32 == a21)) || ((((1bv32 == a11 && 1bv32 == a19) && ~bvule32(a28, 10bv32)) && 1bv32 == a21) && 8bv32 == a17) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((((~bvule32(8bv32, a17) && 0bv32 == a11) && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21) || (((~bvule32(8bv32, a17) && 0bv32 == a25) && 0bv32 == a11) && 1bv32 == a21)) || ((((0bv32 == a25 && 0bv32 == a11) && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21)) || (((~bvule32(8bv32, a17) && 0bv32 == a11) && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || (((1bv32 == a11 && 1bv32 == a19) && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || (((1bv32 == a11 && ~bvule32(a28, 10bv32)) && ~bvule32(9bv32, a28)) && 1bv32 == a21)) || (((~bvule32(8bv32, a17) && 1bv32 == a11) && ~bvule32(a28, 7bv32)) && 1bv32 == a21)) || ((1bv32 == a19 && 0bv32 == a11) && 1bv32 == a21)) || ((((1bv32 == a11 && 1bv32 == a19) && ~bvule32(a28, 10bv32)) && 1bv32 == a21) && 8bv32 == a17) RESULT: Ultimate proved your program to be correct! [2022-01-10 15:59:12,777 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...