/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/product-lines/elevator_spec3_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 17:57:38,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 17:57:38,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 17:57:38,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 17:57:38,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 17:57:38,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 17:57:38,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 17:57:38,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 17:57:38,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 17:57:38,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 17:57:38,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 17:57:38,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 17:57:38,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 17:57:38,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 17:57:38,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 17:57:38,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 17:57:38,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 17:57:38,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 17:57:38,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 17:57:38,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 17:57:38,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 17:57:38,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 17:57:38,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 17:57:38,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 17:57:38,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 17:57:38,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 17:57:38,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 17:57:38,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 17:57:38,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 17:57:38,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 17:57:38,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 17:57:38,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 17:57:38,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 17:57:38,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 17:57:38,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 17:57:38,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 17:57:38,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 17:57:38,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 17:57:38,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 17:57:38,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 17:57:38,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 17:57:38,647 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 17:57:38,672 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 17:57:38,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 17:57:38,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 17:57:38,673 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 17:57:38,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 17:57:38,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 17:57:38,674 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 17:57:38,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 17:57:38,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 17:57:38,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 17:57:38,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 17:57:38,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 17:57:38,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 17:57:38,676 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 17:57:38,676 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 17:57:38,676 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 17:57:38,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 17:57:38,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 17:57:38,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 17:57:38,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 17:57:38,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 17:57:38,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 17:57:38,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 17:57:38,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 17:57:38,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 17:57:38,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 17:57:38,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 17:57:38,677 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 17:57:38,677 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 17:57:38,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 17:57:38,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 17:57:38,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 17:57:38,678 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 17:57:38,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 17:57:38,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 17:57:38,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 17:57:38,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 17:57:38,926 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 17:57:38,928 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 17:57:38,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product23.cil.c [2022-01-10 17:57:38,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a30cce0/6dbc67b20cff4866b28ee98c70a487b4/FLAG64ffbc448 [2022-01-10 17:57:39,420 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 17:57:39,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product23.cil.c [2022-01-10 17:57:39,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a30cce0/6dbc67b20cff4866b28ee98c70a487b4/FLAG64ffbc448 [2022-01-10 17:57:39,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a30cce0/6dbc67b20cff4866b28ee98c70a487b4 [2022-01-10 17:57:39,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 17:57:39,727 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 17:57:39,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 17:57:39,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 17:57:39,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 17:57:39,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:57:39" (1/1) ... [2022-01-10 17:57:39,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e373db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:57:39, skipping insertion in model container [2022-01-10 17:57:39,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:57:39" (1/1) ... [2022-01-10 17:57:39,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 17:57:39,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 17:57:39,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product23.cil.c[5798,5811] [2022-01-10 17:57:40,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 17:57:40,165 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 17:57:40,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 17:57:40,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product23.cil.c[5798,5811] [2022-01-10 17:57:40,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 17:57:40,251 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 17:57:40,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product23.cil.c[5798,5811] [2022-01-10 17:57:40,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 17:57:40,318 INFO L208 MainTranslator]: Completed translation [2022-01-10 17:57:40,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:57:40 WrapperNode [2022-01-10 17:57:40,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 17:57:40,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 17:57:40,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 17:57:40,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 17:57:40,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:57:40" (1/1) ... [2022-01-10 17:57:40,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:57:40" (1/1) ... [2022-01-10 17:57:40,590 INFO L137 Inliner]: procedures = 96, calls = 353, calls flagged for inlining = 206, calls inlined = 1038, statements flattened = 34765 [2022-01-10 17:57:40,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 17:57:40,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 17:57:40,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 17:57:40,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 17:57:40,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:57:40" (1/1) ... [2022-01-10 17:57:40,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:57:40" (1/1) ... [2022-01-10 17:57:40,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:57:40" (1/1) ... [2022-01-10 17:57:40,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:57:40" (1/1) ... [2022-01-10 17:57:40,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:57:40" (1/1) ... [2022-01-10 17:57:40,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:57:40" (1/1) ... [2022-01-10 17:57:41,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:57:40" (1/1) ... [2022-01-10 17:57:41,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 17:57:41,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 17:57:41,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 17:57:41,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 17:57:41,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:57:40" (1/1) ... [2022-01-10 17:57:41,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 17:57:41,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 17:57:41,104 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 17:57:41,281 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 17:57:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 17:57:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 17:57:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 17:57:41,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 17:57:41,486 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 17:57:41,487 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 17:57:51,430 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 17:57:51,483 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 17:57:51,483 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 17:57:51,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:57:51 BoogieIcfgContainer [2022-01-10 17:57:51,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 17:57:51,492 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 17:57:51,492 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 17:57:51,493 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 17:57:51,495 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:57:51" (1/1) ... [2022-01-10 17:57:53,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 05:57:53 BasicIcfg [2022-01-10 17:57:53,024 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 17:57:53,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 17:57:53,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 17:57:53,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 17:57:53,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 05:57:39" (1/4) ... [2022-01-10 17:57:53,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d16e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:57:53, skipping insertion in model container [2022-01-10 17:57:53,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:57:40" (2/4) ... [2022-01-10 17:57:53,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d16e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:57:53, skipping insertion in model container [2022-01-10 17:57:53,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:57:51" (3/4) ... [2022-01-10 17:57:53,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d16e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 05:57:53, skipping insertion in model container [2022-01-10 17:57:53,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 05:57:53" (4/4) ... [2022-01-10 17:57:53,030 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product23.cil.cTransformedIcfg [2022-01-10 17:57:53,033 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 17:57:53,033 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-01-10 17:57:53,094 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 17:57:53,100 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 17:57:53,100 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-01-10 17:57:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 9123 states, 9112 states have (on average 1.873902546093064) internal successors, (17075), 9122 states have internal predecessors, (17075), 0 states have call successors, (0), 0 states 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 17:57:53,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-10 17:57:53,220 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:57:53,221 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] [2022-01-10 17:57:53,222 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 17:57:53,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:57:53,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1731549685, now seen corresponding path program 1 times [2022-01-10 17:57:53,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:57:53,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379658503] [2022-01-10 17:57:53,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:57:53,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:57:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:57:53,651 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 17:57:53,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:57:53,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379658503] [2022-01-10 17:57:53,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379658503] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:57:53,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:57:53,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 17:57:53,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049718212] [2022-01-10 17:57:53,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:57:53,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 17:57:53,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:57:53,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 17:57:53,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 17:57:53,731 INFO L87 Difference]: Start difference. First operand has 9123 states, 9112 states have (on average 1.873902546093064) internal successors, (17075), 9122 states have internal predecessors, (17075), 0 states have call successors, (0), 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 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 17:57:56,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:57:56,742 INFO L93 Difference]: Finished difference Result 23368 states and 43730 transitions. [2022-01-10 17:57:56,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 17:57:56,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-01-10 17:57:56,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:57:56,829 INFO L225 Difference]: With dead ends: 23368 [2022-01-10 17:57:56,830 INFO L226 Difference]: Without dead ends: 15644 [2022-01-10 17:57:56,856 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 17:57:56,861 INFO L933 BasicCegarLoop]: 27654 mSDtfsCounter, 16750 mSDsluCounter, 11063 mSDsCounter, 0 mSdLazyCounter, 2467 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16750 SdHoareTripleChecker+Valid, 38717 SdHoareTripleChecker+Invalid, 2703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 2467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-10 17:57:56,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16750 Valid, 38717 Invalid, 2703 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [236 Valid, 2467 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-01-10 17:57:56,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15644 states. [2022-01-10 17:57:57,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15644 to 15588. [2022-01-10 17:57:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15588 states, 15578 states have (on average 1.871164462703813) internal successors, (29149), 15587 states have internal predecessors, (29149), 0 states have call successors, (0), 0 states 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 17:57:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15588 states to 15588 states and 29149 transitions. [2022-01-10 17:57:57,450 INFO L78 Accepts]: Start accepts. Automaton has 15588 states and 29149 transitions. Word has length 52 [2022-01-10 17:57:57,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:57:57,450 INFO L470 AbstractCegarLoop]: Abstraction has 15588 states and 29149 transitions. [2022-01-10 17:57:57,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 17:57:57,451 INFO L276 IsEmpty]: Start isEmpty. Operand 15588 states and 29149 transitions. [2022-01-10 17:57:57,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-10 17:57:57,453 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:57:57,453 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] [2022-01-10 17:57:57,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 17:57:57,454 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 17:57:57,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:57:57,454 INFO L85 PathProgramCache]: Analyzing trace with hash 11260650, now seen corresponding path program 1 times [2022-01-10 17:57:57,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:57:57,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211396754] [2022-01-10 17:57:57,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:57:57,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:57:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:57:57,515 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 17:57:57,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:57:57,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211396754] [2022-01-10 17:57:57,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211396754] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:57:57,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:57:57,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 17:57:57,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653503402] [2022-01-10 17:57:57,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:57:57,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 17:57:57,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:57:57,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 17:57:57,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 17:57:57,518 INFO L87 Difference]: Start difference. First operand 15588 states and 29149 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 17:57:58,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:57:58,289 INFO L93 Difference]: Finished difference Result 33895 states and 63441 transitions. [2022-01-10 17:57:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 17:57:58,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-01-10 17:57:58,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:57:58,385 INFO L225 Difference]: With dead ends: 33895 [2022-01-10 17:57:58,385 INFO L226 Difference]: Without dead ends: 24708 [2022-01-10 17:57:58,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 17:57:58,405 INFO L933 BasicCegarLoop]: 23821 mSDtfsCounter, 16904 mSDsluCounter, 13487 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16904 SdHoareTripleChecker+Valid, 37308 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 17:57:58,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16904 Valid, 37308 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 17:57:58,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24708 states. [2022-01-10 17:57:58,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24708 to 24672. [2022-01-10 17:57:58,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24672 states, 24662 states have (on average 1.8723542291784931) internal successors, (46176), 24671 states have internal predecessors, (46176), 0 states have call successors, (0), 0 states 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 17:57:59,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24672 states to 24672 states and 46176 transitions. [2022-01-10 17:57:59,017 INFO L78 Accepts]: Start accepts. Automaton has 24672 states and 46176 transitions. Word has length 52 [2022-01-10 17:57:59,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:57:59,018 INFO L470 AbstractCegarLoop]: Abstraction has 24672 states and 46176 transitions. [2022-01-10 17:57:59,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 17:57:59,021 INFO L276 IsEmpty]: Start isEmpty. Operand 24672 states and 46176 transitions. [2022-01-10 17:57:59,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-10 17:57:59,028 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:57:59,028 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] [2022-01-10 17:57:59,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 17:57:59,028 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 17:57:59,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:57:59,029 INFO L85 PathProgramCache]: Analyzing trace with hash 898764331, now seen corresponding path program 1 times [2022-01-10 17:57:59,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:57:59,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308392888] [2022-01-10 17:57:59,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:57:59,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:57:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:57:59,120 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 17:57:59,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:57:59,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308392888] [2022-01-10 17:57:59,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308392888] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:57:59,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:57:59,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 17:57:59,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109078817] [2022-01-10 17:57:59,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:57:59,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 17:57:59,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:57:59,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 17:57:59,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 17:57:59,123 INFO L87 Difference]: Start difference. First operand 24672 states and 46176 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 17:58:00,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:58:00,060 INFO L93 Difference]: Finished difference Result 70957 states and 132886 transitions. [2022-01-10 17:58:00,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 17:58:00,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-01-10 17:58:00,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:58:00,197 INFO L225 Difference]: With dead ends: 70957 [2022-01-10 17:58:00,197 INFO L226 Difference]: Without dead ends: 48125 [2022-01-10 17:58:00,239 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 17:58:00,241 INFO L933 BasicCegarLoop]: 23576 mSDtfsCounter, 16089 mSDsluCounter, 16928 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16089 SdHoareTripleChecker+Valid, 40504 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 17:58:00,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16089 Valid, 40504 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 17:58:00,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48125 states. [2022-01-10 17:58:01,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48125 to 47792. [2022-01-10 17:58:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47792 states, 47782 states have (on average 1.873885563601356) internal successors, (89538), 47791 states have internal predecessors, (89538), 0 states have call successors, (0), 0 states 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 17:58:01,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47792 states to 47792 states and 89538 transitions. [2022-01-10 17:58:01,492 INFO L78 Accepts]: Start accepts. Automaton has 47792 states and 89538 transitions. Word has length 52 [2022-01-10 17:58:01,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:58:01,494 INFO L470 AbstractCegarLoop]: Abstraction has 47792 states and 89538 transitions. [2022-01-10 17:58:01,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 17:58:01,494 INFO L276 IsEmpty]: Start isEmpty. Operand 47792 states and 89538 transitions. [2022-01-10 17:58:01,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-10 17:58:01,497 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:58:01,497 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 17:58:01,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 17:58:01,497 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 17:58:01,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:58:01,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1685134756, now seen corresponding path program 1 times [2022-01-10 17:58:01,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:58:01,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151771609] [2022-01-10 17:58:01,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:58:01,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:58:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:58:01,575 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 17:58:01,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:58:01,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151771609] [2022-01-10 17:58:01,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151771609] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:58:01,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:58:01,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 17:58:01,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748314677] [2022-01-10 17:58:01,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:58:01,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 17:58:01,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:58:01,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 17:58:01,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 17:58:01,577 INFO L87 Difference]: Start difference. First operand 47792 states and 89538 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 17:58:03,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:58:03,779 INFO L93 Difference]: Finished difference Result 190859 states and 357560 transitions. [2022-01-10 17:58:03,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 17:58:03,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-01-10 17:58:03,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:58:04,397 INFO L225 Difference]: With dead ends: 190859 [2022-01-10 17:58:04,398 INFO L226 Difference]: Without dead ends: 143094 [2022-01-10 17:58:04,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 17:58:04,506 INFO L933 BasicCegarLoop]: 33869 mSDtfsCounter, 50656 mSDsluCounter, 50833 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50656 SdHoareTripleChecker+Valid, 84702 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 17:58:04,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50656 Valid, 84702 Invalid, 77 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [11 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 17:58:04,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143094 states. [2022-01-10 17:58:06,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143094 to 47812. [2022-01-10 17:58:06,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47812 states, 47802 states have (on average 1.8735199364043345) internal successors, (89558), 47811 states have internal predecessors, (89558), 0 states have call successors, (0), 0 states 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 17:58:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47812 states to 47812 states and 89558 transitions. [2022-01-10 17:58:06,316 INFO L78 Accepts]: Start accepts. Automaton has 47812 states and 89558 transitions. Word has length 52 [2022-01-10 17:58:06,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:58:06,316 INFO L470 AbstractCegarLoop]: Abstraction has 47812 states and 89558 transitions. [2022-01-10 17:58:06,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 17:58:06,317 INFO L276 IsEmpty]: Start isEmpty. Operand 47812 states and 89558 transitions. [2022-01-10 17:58:06,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-01-10 17:58:06,319 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:58:06,319 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] [2022-01-10 17:58:06,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 17:58:06,320 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 17:58:06,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:58:06,320 INFO L85 PathProgramCache]: Analyzing trace with hash -638077809, now seen corresponding path program 1 times [2022-01-10 17:58:06,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:58:06,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743869819] [2022-01-10 17:58:06,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:58:06,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:58:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:58:06,380 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 17:58:06,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:58:06,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743869819] [2022-01-10 17:58:06,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743869819] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:58:06,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:58:06,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 17:58:06,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755379218] [2022-01-10 17:58:06,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:58:06,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 17:58:06,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:58:06,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 17:58:06,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 17:58:06,383 INFO L87 Difference]: Start difference. First operand 47812 states and 89558 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states 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 17:58:07,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:58:07,539 INFO L93 Difference]: Finished difference Result 95473 states and 178832 transitions. [2022-01-10 17:58:07,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 17:58:07,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-01-10 17:58:07,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:58:07,636 INFO L225 Difference]: With dead ends: 95473 [2022-01-10 17:58:07,636 INFO L226 Difference]: Without dead ends: 47676 [2022-01-10 17:58:07,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 17:58:07,675 INFO L933 BasicCegarLoop]: 16896 mSDtfsCounter, 16888 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16888 SdHoareTripleChecker+Valid, 16904 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 17:58:07,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16888 Valid, 16904 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 17:58:07,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47676 states. [2022-01-10 17:58:08,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47676 to 47676. [2022-01-10 17:58:08,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47676 states, 47666 states have (on average 1.8731590651617505) internal successors, (89286), 47675 states have internal predecessors, (89286), 0 states have call successors, (0), 0 states 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 17:58:08,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47676 states to 47676 states and 89286 transitions. [2022-01-10 17:58:08,984 INFO L78 Accepts]: Start accepts. Automaton has 47676 states and 89286 transitions. Word has length 53 [2022-01-10 17:58:08,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:58:08,985 INFO L470 AbstractCegarLoop]: Abstraction has 47676 states and 89286 transitions. [2022-01-10 17:58:08,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states 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 17:58:08,985 INFO L276 IsEmpty]: Start isEmpty. Operand 47676 states and 89286 transitions. [2022-01-10 17:58:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-10 17:58:08,987 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:58:08,988 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 17:58:08,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 17:58:08,988 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 17:58:08,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:58:08,988 INFO L85 PathProgramCache]: Analyzing trace with hash 495222647, now seen corresponding path program 1 times [2022-01-10 17:58:08,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:58:08,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284589093] [2022-01-10 17:58:08,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:58:08,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:58:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:58:09,121 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 17:58:09,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:58:09,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284589093] [2022-01-10 17:58:09,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284589093] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:58:09,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:58:09,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 17:58:09,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317399176] [2022-01-10 17:58:09,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:58:09,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 17:58:09,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:58:09,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 17:58:09,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-10 17:58:09,123 INFO L87 Difference]: Start difference. First operand 47676 states and 89286 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 17:58:10,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:58:10,537 INFO L93 Difference]: Finished difference Result 95330 states and 178543 transitions. [2022-01-10 17:58:10,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 17:58:10,538 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-01-10 17:58:10,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:58:10,625 INFO L225 Difference]: With dead ends: 95330 [2022-01-10 17:58:10,625 INFO L226 Difference]: Without dead ends: 47676 [2022-01-10 17:58:10,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-01-10 17:58:10,663 INFO L933 BasicCegarLoop]: 16882 mSDtfsCounter, 101283 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101283 SdHoareTripleChecker+Valid, 16900 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 17:58:10,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101283 Valid, 16900 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 17:58:10,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47676 states. [2022-01-10 17:58:11,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47676 to 47676. [2022-01-10 17:58:11,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47676 states, 47666 states have (on average 1.8730751479041665) internal successors, (89282), 47675 states have internal predecessors, (89282), 0 states have call successors, (0), 0 states 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 17:58:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47676 states to 47676 states and 89282 transitions. [2022-01-10 17:58:11,941 INFO L78 Accepts]: Start accepts. Automaton has 47676 states and 89282 transitions. Word has length 55 [2022-01-10 17:58:11,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:58:11,942 INFO L470 AbstractCegarLoop]: Abstraction has 47676 states and 89282 transitions. [2022-01-10 17:58:11,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 17:58:11,942 INFO L276 IsEmpty]: Start isEmpty. Operand 47676 states and 89282 transitions. [2022-01-10 17:58:11,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-01-10 17:58:11,945 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:58:11,945 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] [2022-01-10 17:58:11,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 17:58:11,945 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 17:58:11,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:58:11,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1305882167, now seen corresponding path program 1 times [2022-01-10 17:58:11,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:58:11,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278896736] [2022-01-10 17:58:11,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:58:11,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:58:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:58:12,010 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 17:58:12,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:58:12,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278896736] [2022-01-10 17:58:12,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278896736] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:58:12,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:58:12,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 17:58:12,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372859298] [2022-01-10 17:58:12,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:58:12,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 17:58:12,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:58:12,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 17:58:12,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 17:58:12,012 INFO L87 Difference]: Start difference. First operand 47676 states and 89282 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 17:58:13,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:58:13,380 INFO L93 Difference]: Finished difference Result 95324 states and 178525 transitions. [2022-01-10 17:58:13,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 17:58:13,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-01-10 17:58:13,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:58:13,461 INFO L225 Difference]: With dead ends: 95324 [2022-01-10 17:58:13,461 INFO L226 Difference]: Without dead ends: 47676 [2022-01-10 17:58:13,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 17:58:13,494 INFO L933 BasicCegarLoop]: 16864 mSDtfsCounter, 50619 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50619 SdHoareTripleChecker+Valid, 16897 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 17:58:13,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50619 Valid, 16897 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 17:58:13,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47676 states. [2022-01-10 17:58:14,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47676 to 47676. [2022-01-10 17:58:14,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47676 states, 47666 states have (on average 1.8729912306465826) internal successors, (89278), 47675 states have internal predecessors, (89278), 0 states have call successors, (0), 0 states 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 17:58:14,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47676 states to 47676 states and 89278 transitions. [2022-01-10 17:58:14,909 INFO L78 Accepts]: Start accepts. Automaton has 47676 states and 89278 transitions. Word has length 56 [2022-01-10 17:58:14,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:58:14,909 INFO L470 AbstractCegarLoop]: Abstraction has 47676 states and 89278 transitions. [2022-01-10 17:58:14,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 17:58:14,909 INFO L276 IsEmpty]: Start isEmpty. Operand 47676 states and 89278 transitions. [2022-01-10 17:58:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-10 17:58:14,912 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:58:14,912 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] [2022-01-10 17:58:14,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 17:58:14,912 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 17:58:14,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:58:14,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1178125790, now seen corresponding path program 1 times [2022-01-10 17:58:14,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:58:14,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091871659] [2022-01-10 17:58:14,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:58:14,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:58:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:58:15,030 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 17:58:15,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:58:15,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091871659] [2022-01-10 17:58:15,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091871659] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:58:15,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:58:15,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 17:58:15,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583431579] [2022-01-10 17:58:15,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:58:15,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 17:58:15,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:58:15,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 17:58:15,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 17:58:15,032 INFO L87 Difference]: Start difference. First operand 47676 states and 89278 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states 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 17:58:16,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:58:16,413 INFO L93 Difference]: Finished difference Result 95324 states and 178518 transitions. [2022-01-10 17:58:16,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 17:58:16,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-01-10 17:58:16,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:58:16,499 INFO L225 Difference]: With dead ends: 95324 [2022-01-10 17:58:16,499 INFO L226 Difference]: Without dead ends: 47676 [2022-01-10 17:58:16,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-10 17:58:16,537 INFO L933 BasicCegarLoop]: 16864 mSDtfsCounter, 50610 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50610 SdHoareTripleChecker+Valid, 16907 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 17:58:16,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50610 Valid, 16907 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 17:58:16,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47676 states. [2022-01-10 17:58:18,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47676 to 47676. [2022-01-10 17:58:18,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47676 states, 47666 states have (on average 1.8729073133889984) internal successors, (89274), 47675 states have internal predecessors, (89274), 0 states have call successors, (0), 0 states 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 17:58:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47676 states to 47676 states and 89274 transitions. [2022-01-10 17:58:18,129 INFO L78 Accepts]: Start accepts. Automaton has 47676 states and 89274 transitions. Word has length 57 [2022-01-10 17:58:18,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:58:18,129 INFO L470 AbstractCegarLoop]: Abstraction has 47676 states and 89274 transitions. [2022-01-10 17:58:18,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states 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 17:58:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 47676 states and 89274 transitions. [2022-01-10 17:58:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-10 17:58:18,132 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:58:18,132 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] [2022-01-10 17:58:18,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 17:58:18,132 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 17:58:18,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:58:18,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1761029892, now seen corresponding path program 1 times [2022-01-10 17:58:18,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:58:18,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175591265] [2022-01-10 17:58:18,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:58:18,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:58:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:58:18,190 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 17:58:18,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:58:18,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175591265] [2022-01-10 17:58:18,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175591265] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:58:18,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:58:18,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 17:58:18,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3790545] [2022-01-10 17:58:18,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:58:18,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 17:58:18,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:58:18,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 17:58:18,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 17:58:18,191 INFO L87 Difference]: Start difference. First operand 47676 states and 89274 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states 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 17:58:19,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:58:19,670 INFO L93 Difference]: Finished difference Result 95324 states and 178511 transitions. [2022-01-10 17:58:19,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-10 17:58:19,671 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-01-10 17:58:19,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:58:19,755 INFO L225 Difference]: With dead ends: 95324 [2022-01-10 17:58:19,755 INFO L226 Difference]: Without dead ends: 47676 [2022-01-10 17:58:19,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-01-10 17:58:19,790 INFO L933 BasicCegarLoop]: 16864 mSDtfsCounter, 50601 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50601 SdHoareTripleChecker+Valid, 16917 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 17:58:19,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50601 Valid, 16917 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 17:58:19,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47676 states. [2022-01-10 17:58:21,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47676 to 47676. [2022-01-10 17:58:21,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47676 states, 47666 states have (on average 1.8728233961314145) internal successors, (89270), 47675 states have internal predecessors, (89270), 0 states have call successors, (0), 0 states 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 17:58:21,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47676 states to 47676 states and 89270 transitions. [2022-01-10 17:58:21,279 INFO L78 Accepts]: Start accepts. Automaton has 47676 states and 89270 transitions. Word has length 58 [2022-01-10 17:58:21,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:58:21,279 INFO L470 AbstractCegarLoop]: Abstraction has 47676 states and 89270 transitions. [2022-01-10 17:58:21,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states 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 17:58:21,280 INFO L276 IsEmpty]: Start isEmpty. Operand 47676 states and 89270 transitions. [2022-01-10 17:58:21,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-01-10 17:58:21,282 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:58:21,282 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] [2022-01-10 17:58:21,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 17:58:21,282 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 17:58:21,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:58:21,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1395394933, now seen corresponding path program 1 times [2022-01-10 17:58:21,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:58:21,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517624017] [2022-01-10 17:58:21,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:58:21,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:58:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:58:21,346 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 17:58:21,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:58:21,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517624017] [2022-01-10 17:58:21,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517624017] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:58:21,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:58:21,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 17:58:21,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061581166] [2022-01-10 17:58:21,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:58:21,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 17:58:21,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:58:21,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 17:58:21,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-10 17:58:21,348 INFO L87 Difference]: Start difference. First operand 47676 states and 89270 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states 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 17:58:22,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:58:22,870 INFO L93 Difference]: Finished difference Result 95324 states and 178504 transitions. [2022-01-10 17:58:22,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-10 17:58:22,871 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-01-10 17:58:22,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:58:22,955 INFO L225 Difference]: With dead ends: 95324 [2022-01-10 17:58:22,956 INFO L226 Difference]: Without dead ends: 47676 [2022-01-10 17:58:22,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-01-10 17:58:22,995 INFO L933 BasicCegarLoop]: 16864 mSDtfsCounter, 50602 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50602 SdHoareTripleChecker+Valid, 16907 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 17:58:22,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50602 Valid, 16907 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 17:58:23,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47676 states. [2022-01-10 17:58:24,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47676 to 47676. [2022-01-10 17:58:24,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47676 states, 47666 states have (on average 1.8727394788738303) internal successors, (89266), 47675 states have internal predecessors, (89266), 0 states have call successors, (0), 0 states 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 17:58:24,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47676 states to 47676 states and 89266 transitions. [2022-01-10 17:58:24,530 INFO L78 Accepts]: Start accepts. Automaton has 47676 states and 89266 transitions. Word has length 59 [2022-01-10 17:58:24,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 17:58:24,530 INFO L470 AbstractCegarLoop]: Abstraction has 47676 states and 89266 transitions. [2022-01-10 17:58:24,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states 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 17:58:24,530 INFO L276 IsEmpty]: Start isEmpty. Operand 47676 states and 89266 transitions. [2022-01-10 17:58:24,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 17:58:24,534 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 17:58:24,534 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] [2022-01-10 17:58:24,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 17:58:24,535 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2022-01-10 17:58:24,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 17:58:24,536 INFO L85 PathProgramCache]: Analyzing trace with hash 211932207, now seen corresponding path program 1 times [2022-01-10 17:58:24,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 17:58:24,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874894412] [2022-01-10 17:58:24,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 17:58:24,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 17:58:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 17:58:24,602 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 17:58:24,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 17:58:24,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874894412] [2022-01-10 17:58:24,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874894412] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 17:58:24,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 17:58:24,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 17:58:24,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287845061] [2022-01-10 17:58:24,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 17:58:24,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 17:58:24,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 17:58:24,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 17:58:24,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 17:58:24,604 INFO L87 Difference]: Start difference. First operand 47676 states and 89266 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 17:58:33,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 17:58:33,927 INFO L93 Difference]: Finished difference Result 306381 states and 573226 transitions. [2022-01-10 17:58:33,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 17:58:33,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-01-10 17:58:33,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 17:58:34,677 INFO L225 Difference]: With dead ends: 306381 [2022-01-10 17:58:34,678 INFO L226 Difference]: Without dead ends: 259717 [2022-01-10 17:58:34,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 17:58:34,759 INFO L933 BasicCegarLoop]: 34923 mSDtfsCounter, 111692 mSDsluCounter, 96309 mSDsCounter, 0 mSdLazyCounter, 2000 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111692 SdHoareTripleChecker+Valid, 131232 SdHoareTripleChecker+Invalid, 2439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 2000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-10 17:58:34,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111692 Valid, 131232 Invalid, 2439 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [439 Valid, 2000 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-10 17:58:34,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259717 states.