/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_NONE.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 21:42:11,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 21:42:11,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 21:42:11,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 21:42:11,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 21:42:11,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 21:42:11,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 21:42:11,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 21:42:11,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 21:42:11,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 21:42:11,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 21:42:11,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 21:42:11,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 21:42:11,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 21:42:11,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 21:42:11,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 21:42:11,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 21:42:11,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 21:42:11,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 21:42:11,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 21:42:11,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 21:42:11,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 21:42:11,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 21:42:11,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 21:42:11,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 21:42:11,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 21:42:11,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 21:42:11,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 21:42:11,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 21:42:11,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 21:42:11,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 21:42:11,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 21:42:11,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 21:42:11,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 21:42:11,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 21:42:11,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 21:42:11,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 21:42:11,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 21:42:11,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 21:42:11,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 21:42:11,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 21:42:11,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf [2022-01-10 21:42:11,127 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 21:42:11,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 21:42:11,127 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 21:42:11,127 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 21:42:11,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 21:42:11,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 21:42:11,128 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 21:42:11,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 21:42:11,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 21:42:11,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 21:42:11,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 21:42:11,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 21:42:11,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 21:42:11,129 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 21:42:11,129 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 21:42:11,129 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 21:42:11,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 21:42:11,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 21:42:11,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 21:42:11,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 21:42:11,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 21:42:11,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 21:42:11,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 21:42:11,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 21:42:11,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 21:42:11,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 21:42:11,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 21:42:11,130 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 21:42:11,130 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 21:42:11,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 21:42:11,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 21:42:11,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 21:42:11,131 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 21:42:11,132 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_NONE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 21:42:11,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 21:42:11,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 21:42:11,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 21:42:11,315 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 21:42:11,315 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 21:42:11,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c [2022-01-10 21:42:11,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8438aa5a/efcb431f25824d1f82ac9a46befbb87d/FLAG9cdb16f2f [2022-01-10 21:42:11,710 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 21:42:11,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c [2022-01-10 21:42:11,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8438aa5a/efcb431f25824d1f82ac9a46befbb87d/FLAG9cdb16f2f [2022-01-10 21:42:12,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8438aa5a/efcb431f25824d1f82ac9a46befbb87d [2022-01-10 21:42:12,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 21:42:12,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 21:42:12,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 21:42:12,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 21:42:12,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 21:42:12,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:42:12" (1/1) ... [2022-01-10 21:42:12,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455a7bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:42:12, skipping insertion in model container [2022-01-10 21:42:12,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:42:12" (1/1) ... [2022-01-10 21:42:12,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 21:42:12,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 21:42:12,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c[35886,35899] [2022-01-10 21:42:12,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 21:42:12,368 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 21:42:12,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_clnt_4.cil-1.c[35886,35899] [2022-01-10 21:42:12,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 21:42:12,414 INFO L208 MainTranslator]: Completed translation [2022-01-10 21:42:12,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:42:12 WrapperNode [2022-01-10 21:42:12,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 21:42:12,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 21:42:12,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 21:42:12,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 21:42:12,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:42:12" (1/1) ... [2022-01-10 21:42:12,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:42:12" (1/1) ... [2022-01-10 21:42:12,443 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 463 [2022-01-10 21:42:12,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 21:42:12,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 21:42:12,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 21:42:12,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 21:42:12,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:42:12" (1/1) ... [2022-01-10 21:42:12,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:42:12" (1/1) ... [2022-01-10 21:42:12,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:42:12" (1/1) ... [2022-01-10 21:42:12,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:42:12" (1/1) ... [2022-01-10 21:42:12,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:42:12" (1/1) ... [2022-01-10 21:42:12,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:42:12" (1/1) ... [2022-01-10 21:42:12,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:42:12" (1/1) ... [2022-01-10 21:42:12,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 21:42:12,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 21:42:12,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 21:42:12,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 21:42:12,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:42:12" (1/1) ... [2022-01-10 21:42:12,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 21:42:12,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:42:12,488 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 21:42:12,499 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 21:42:12,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 21:42:12,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 21:42:12,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 21:42:12,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 21:42:12,626 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 21:42:12,627 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 21:42:12,636 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 21:42:12,932 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-01-10 21:42:12,933 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-01-10 21:42:12,933 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 21:42:12,938 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 21:42:12,938 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 21:42:12,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:42:12 BoogieIcfgContainer [2022-01-10 21:42:12,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 21:42:12,940 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 21:42:12,940 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 21:42:12,945 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 21:42:12,949 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:42:12" (1/1) ... [2022-01-10 21:42:13,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:42:13 BasicIcfg [2022-01-10 21:42:13,057 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 21:42:13,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 21:42:13,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 21:42:13,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 21:42:13,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:42:12" (1/4) ... [2022-01-10 21:42:13,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602e3e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:42:13, skipping insertion in model container [2022-01-10 21:42:13,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:42:12" (2/4) ... [2022-01-10 21:42:13,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602e3e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:42:13, skipping insertion in model container [2022-01-10 21:42:13,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:42:12" (3/4) ... [2022-01-10 21:42:13,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602e3e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:42:13, skipping insertion in model container [2022-01-10 21:42:13,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:42:13" (4/4) ... [2022-01-10 21:42:13,062 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_4.cil-1.cTransformedIcfg [2022-01-10 21:42:13,065 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 21:42:13,065 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 21:42:13,095 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 21:42:13,100 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 21:42:13,100 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 21:42:13,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 126 states have (on average 1.7142857142857142) internal successors, (216), 127 states have internal predecessors, (216), 0 states have call successors, (0), 0 states 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 21:42:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-10 21:42:13,117 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:13,118 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] [2022-01-10 21:42:13,118 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:13,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:13,126 INFO L85 PathProgramCache]: Analyzing trace with hash 121089086, now seen corresponding path program 1 times [2022-01-10 21:42:13,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:13,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955027083] [2022-01-10 21:42:13,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:13,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:13,345 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 21:42:13,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:13,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955027083] [2022-01-10 21:42:13,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955027083] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:13,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:13,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:13,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646383012] [2022-01-10 21:42:13,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:13,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:13,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:13,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:13,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:13,380 INFO L87 Difference]: Start difference. First operand has 128 states, 126 states have (on average 1.7142857142857142) internal successors, (216), 127 states have internal predecessors, (216), 0 states have call successors, (0), 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 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 21:42:13,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:13,474 INFO L93 Difference]: Finished difference Result 366 states and 620 transitions. [2022-01-10 21:42:13,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:13,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-01-10 21:42:13,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:13,485 INFO L225 Difference]: With dead ends: 366 [2022-01-10 21:42:13,485 INFO L226 Difference]: Without dead ends: 213 [2022-01-10 21:42:13,488 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 21:42:13,490 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 179 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:13,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 398 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 21:42:13,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-01-10 21:42:13,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2022-01-10 21:42:13,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.4952830188679245) internal successors, (317), 212 states have internal predecessors, (317), 0 states have call successors, (0), 0 states 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 21:42:13,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 317 transitions. [2022-01-10 21:42:13,531 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 317 transitions. Word has length 24 [2022-01-10 21:42:13,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:13,531 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 317 transitions. [2022-01-10 21:42:13,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 21:42:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 317 transitions. [2022-01-10 21:42:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-10 21:42:13,533 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:13,533 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:13,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 21:42:13,533 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:13,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:13,540 INFO L85 PathProgramCache]: Analyzing trace with hash -2040544070, now seen corresponding path program 1 times [2022-01-10 21:42:13,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:13,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706603681] [2022-01-10 21:42:13,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:13,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:13,614 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:42:13,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:13,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706603681] [2022-01-10 21:42:13,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706603681] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:13,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:13,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:13,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385943135] [2022-01-10 21:42:13,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:13,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:13,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:13,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:13,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:13,618 INFO L87 Difference]: Start difference. First operand 213 states and 317 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states 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 21:42:13,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:13,777 INFO L93 Difference]: Finished difference Result 343 states and 516 transitions. [2022-01-10 21:42:13,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:13,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-01-10 21:42:13,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:13,783 INFO L225 Difference]: With dead ends: 343 [2022-01-10 21:42:13,784 INFO L226 Difference]: Without dead ends: 238 [2022-01-10 21:42:13,789 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 21:42:13,791 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 14 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:13,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 260 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:13,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-01-10 21:42:13,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 230. [2022-01-10 21:42:13,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.480349344978166) internal successors, (339), 229 states have internal predecessors, (339), 0 states have call successors, (0), 0 states 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 21:42:13,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 339 transitions. [2022-01-10 21:42:13,809 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 339 transitions. Word has length 38 [2022-01-10 21:42:13,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:13,809 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 339 transitions. [2022-01-10 21:42:13,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states 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 21:42:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 339 transitions. [2022-01-10 21:42:13,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-10 21:42:13,811 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:13,811 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:13,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 21:42:13,811 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:13,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:13,812 INFO L85 PathProgramCache]: Analyzing trace with hash -948329018, now seen corresponding path program 1 times [2022-01-10 21:42:13,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:13,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152969135] [2022-01-10 21:42:13,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:13,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:42:13,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:13,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152969135] [2022-01-10 21:42:13,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152969135] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:13,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:13,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:13,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526819634] [2022-01-10 21:42:13,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:13,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:13,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:13,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:13,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:13,882 INFO L87 Difference]: Start difference. First operand 230 states and 339 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:13,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:13,906 INFO L93 Difference]: Finished difference Result 373 states and 547 transitions. [2022-01-10 21:42:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:13,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-01-10 21:42:13,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:13,907 INFO L225 Difference]: With dead ends: 373 [2022-01-10 21:42:13,907 INFO L226 Difference]: Without dead ends: 251 [2022-01-10 21:42:13,909 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 21:42:13,914 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 11 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:13,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 347 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 21:42:13,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-01-10 21:42:13,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-01-10 21:42:13,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 1.464) internal successors, (366), 250 states have internal predecessors, (366), 0 states have call successors, (0), 0 states 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 21:42:13,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 366 transitions. [2022-01-10 21:42:13,925 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 366 transitions. Word has length 55 [2022-01-10 21:42:13,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:13,926 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 366 transitions. [2022-01-10 21:42:13,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:13,926 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 366 transitions. [2022-01-10 21:42:13,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-10 21:42:13,927 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:13,927 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:13,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 21:42:13,928 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:13,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:13,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1128880325, now seen corresponding path program 1 times [2022-01-10 21:42:13,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:13,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321807878] [2022-01-10 21:42:13,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:13,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:13,982 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-01-10 21:42:13,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:13,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321807878] [2022-01-10 21:42:13,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321807878] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:13,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:13,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:13,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961424645] [2022-01-10 21:42:13,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:13,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:13,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:13,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:13,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:13,985 INFO L87 Difference]: Start difference. First operand 251 states and 366 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states 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 21:42:14,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:14,129 INFO L93 Difference]: Finished difference Result 597 states and 899 transitions. [2022-01-10 21:42:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:14,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 21:42:14,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:14,132 INFO L225 Difference]: With dead ends: 597 [2022-01-10 21:42:14,132 INFO L226 Difference]: Without dead ends: 351 [2022-01-10 21:42:14,133 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 21:42:14,138 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 53 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:14,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 224 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:14,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-01-10 21:42:14,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 333. [2022-01-10 21:42:14,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 332 states have (on average 1.4036144578313252) internal successors, (466), 332 states have internal predecessors, (466), 0 states have call successors, (0), 0 states 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 21:42:14,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 466 transitions. [2022-01-10 21:42:14,155 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 466 transitions. Word has length 55 [2022-01-10 21:42:14,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:14,155 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 466 transitions. [2022-01-10 21:42:14,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states 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 21:42:14,155 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 466 transitions. [2022-01-10 21:42:14,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-01-10 21:42:14,157 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:14,157 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:14,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 21:42:14,157 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:14,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:14,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1875579760, now seen corresponding path program 1 times [2022-01-10 21:42:14,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:14,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513548176] [2022-01-10 21:42:14,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:14,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-10 21:42:14,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:14,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513548176] [2022-01-10 21:42:14,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513548176] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:14,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:14,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:14,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169784245] [2022-01-10 21:42:14,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:14,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:14,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:14,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:14,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:14,223 INFO L87 Difference]: Start difference. First operand 333 states and 466 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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 21:42:14,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:14,307 INFO L93 Difference]: Finished difference Result 709 states and 1005 transitions. [2022-01-10 21:42:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:14,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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 68 [2022-01-10 21:42:14,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:14,309 INFO L225 Difference]: With dead ends: 709 [2022-01-10 21:42:14,309 INFO L226 Difference]: Without dead ends: 383 [2022-01-10 21:42:14,311 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 21:42:14,311 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 17 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:14,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 263 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:14,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-01-10 21:42:14,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 371. [2022-01-10 21:42:14,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 370 states have (on average 1.3891891891891892) internal successors, (514), 370 states have internal predecessors, (514), 0 states have call successors, (0), 0 states 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 21:42:14,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 514 transitions. [2022-01-10 21:42:14,323 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 514 transitions. Word has length 68 [2022-01-10 21:42:14,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:14,326 INFO L470 AbstractCegarLoop]: Abstraction has 371 states and 514 transitions. [2022-01-10 21:42:14,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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 21:42:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 514 transitions. [2022-01-10 21:42:14,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-10 21:42:14,337 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:14,337 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:14,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 21:42:14,337 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:14,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:14,338 INFO L85 PathProgramCache]: Analyzing trace with hash 132872067, now seen corresponding path program 1 times [2022-01-10 21:42:14,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:14,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815887186] [2022-01-10 21:42:14,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:14,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:14,395 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-10 21:42:14,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:14,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815887186] [2022-01-10 21:42:14,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815887186] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:14,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:14,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:14,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552369257] [2022-01-10 21:42:14,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:14,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:14,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:14,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:14,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:14,397 INFO L87 Difference]: Start difference. First operand 371 states and 514 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 21:42:14,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:14,520 INFO L93 Difference]: Finished difference Result 874 states and 1238 transitions. [2022-01-10 21:42:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:14,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-01-10 21:42:14,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:14,524 INFO L225 Difference]: With dead ends: 874 [2022-01-10 21:42:14,524 INFO L226 Difference]: Without dead ends: 508 [2022-01-10 21:42:14,524 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 21:42:14,525 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 127 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:14,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 173 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:14,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2022-01-10 21:42:14,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 482. [2022-01-10 21:42:14,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 481 states have (on average 1.4241164241164241) internal successors, (685), 481 states have internal predecessors, (685), 0 states have call successors, (0), 0 states 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 21:42:14,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 685 transitions. [2022-01-10 21:42:14,538 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 685 transitions. Word has length 81 [2022-01-10 21:42:14,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:14,539 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 685 transitions. [2022-01-10 21:42:14,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 21:42:14,539 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 685 transitions. [2022-01-10 21:42:14,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-01-10 21:42:14,540 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:14,540 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:14,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 21:42:14,541 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:14,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:14,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1707664560, now seen corresponding path program 1 times [2022-01-10 21:42:14,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:14,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033291297] [2022-01-10 21:42:14,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:14,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:14,607 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-01-10 21:42:14,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:14,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033291297] [2022-01-10 21:42:14,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033291297] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:14,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:14,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:14,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644462916] [2022-01-10 21:42:14,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:14,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:14,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:14,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:14,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:14,608 INFO L87 Difference]: Start difference. First operand 482 states and 685 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states 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 21:42:14,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:14,695 INFO L93 Difference]: Finished difference Result 972 states and 1399 transitions. [2022-01-10 21:42:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:14,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-01-10 21:42:14,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:14,698 INFO L225 Difference]: With dead ends: 972 [2022-01-10 21:42:14,698 INFO L226 Difference]: Without dead ends: 530 [2022-01-10 21:42:14,699 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 21:42:14,700 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 12 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:14,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 262 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:14,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2022-01-10 21:42:14,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 524. [2022-01-10 21:42:14,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 523 states have (on average 1.4091778202676863) internal successors, (737), 523 states have internal predecessors, (737), 0 states have call successors, (0), 0 states 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 21:42:14,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 737 transitions. [2022-01-10 21:42:14,712 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 737 transitions. Word has length 85 [2022-01-10 21:42:14,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:14,713 INFO L470 AbstractCegarLoop]: Abstraction has 524 states and 737 transitions. [2022-01-10 21:42:14,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states 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 21:42:14,713 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 737 transitions. [2022-01-10 21:42:14,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-10 21:42:14,716 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:14,716 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:14,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 21:42:14,717 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:14,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:14,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1856000275, now seen corresponding path program 1 times [2022-01-10 21:42:14,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:14,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110384137] [2022-01-10 21:42:14,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:14,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:14,787 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-01-10 21:42:14,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:14,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110384137] [2022-01-10 21:42:14,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110384137] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:14,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:14,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:14,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696226455] [2022-01-10 21:42:14,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:14,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:14,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:14,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:14,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:14,789 INFO L87 Difference]: Start difference. First operand 524 states and 737 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states 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 21:42:14,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:14,811 INFO L93 Difference]: Finished difference Result 1027 states and 1457 transitions. [2022-01-10 21:42:14,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:14,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 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 105 [2022-01-10 21:42:14,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:14,814 INFO L225 Difference]: With dead ends: 1027 [2022-01-10 21:42:14,814 INFO L226 Difference]: Without dead ends: 764 [2022-01-10 21:42:14,814 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 21:42:14,815 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 136 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:14,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 307 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 21:42:14,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2022-01-10 21:42:14,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 764. [2022-01-10 21:42:14,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 763 states have (on average 1.4154652686762779) internal successors, (1080), 763 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states 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 21:42:14,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1080 transitions. [2022-01-10 21:42:14,834 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1080 transitions. Word has length 105 [2022-01-10 21:42:14,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:14,834 INFO L470 AbstractCegarLoop]: Abstraction has 764 states and 1080 transitions. [2022-01-10 21:42:14,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states 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 21:42:14,834 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1080 transitions. [2022-01-10 21:42:14,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-01-10 21:42:14,837 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:14,837 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:14,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 21:42:14,837 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:14,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:14,837 INFO L85 PathProgramCache]: Analyzing trace with hash -611049476, now seen corresponding path program 1 times [2022-01-10 21:42:14,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:14,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216761803] [2022-01-10 21:42:14,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:14,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:14,882 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-01-10 21:42:14,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:14,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216761803] [2022-01-10 21:42:14,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216761803] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:14,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:14,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:14,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82796687] [2022-01-10 21:42:14,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:14,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:14,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:14,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:14,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:14,884 INFO L87 Difference]: Start difference. First operand 764 states and 1080 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:14,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:14,909 INFO L93 Difference]: Finished difference Result 1006 states and 1427 transitions. [2022-01-10 21:42:14,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:14,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-01-10 21:42:14,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:14,912 INFO L225 Difference]: With dead ends: 1006 [2022-01-10 21:42:14,912 INFO L226 Difference]: Without dead ends: 1004 [2022-01-10 21:42:14,912 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 21:42:14,914 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 139 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:14,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 305 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 21:42:14,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2022-01-10 21:42:14,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1004. [2022-01-10 21:42:14,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 1003 states have (on average 1.4207377866400797) internal successors, (1425), 1003 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states 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 21:42:14,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1425 transitions. [2022-01-10 21:42:14,930 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1425 transitions. Word has length 107 [2022-01-10 21:42:14,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:14,930 INFO L470 AbstractCegarLoop]: Abstraction has 1004 states and 1425 transitions. [2022-01-10 21:42:14,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:14,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1425 transitions. [2022-01-10 21:42:14,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-01-10 21:42:14,932 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:14,932 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:14,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 21:42:14,932 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:14,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:14,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1971659824, now seen corresponding path program 1 times [2022-01-10 21:42:14,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:14,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535610633] [2022-01-10 21:42:14,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:14,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-01-10 21:42:14,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:14,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535610633] [2022-01-10 21:42:14,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535610633] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:14,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:14,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:14,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816310737] [2022-01-10 21:42:14,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:14,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:14,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:14,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:14,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:14,984 INFO L87 Difference]: Start difference. First operand 1004 states and 1425 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:15,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:15,095 INFO L93 Difference]: Finished difference Result 2172 states and 3142 transitions. [2022-01-10 21:42:15,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:15,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-01-10 21:42:15,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:15,099 INFO L225 Difference]: With dead ends: 2172 [2022-01-10 21:42:15,099 INFO L226 Difference]: Without dead ends: 1200 [2022-01-10 21:42:15,100 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 21:42:15,101 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 77 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:15,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 206 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:15,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2022-01-10 21:42:15,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1160. [2022-01-10 21:42:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1159 states have (on average 1.436583261432269) internal successors, (1665), 1159 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states 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 21:42:15,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1665 transitions. [2022-01-10 21:42:15,121 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1665 transitions. Word has length 147 [2022-01-10 21:42:15,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:15,122 INFO L470 AbstractCegarLoop]: Abstraction has 1160 states and 1665 transitions. [2022-01-10 21:42:15,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:15,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1665 transitions. [2022-01-10 21:42:15,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-01-10 21:42:15,124 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:15,124 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:15,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 21:42:15,124 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:15,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:15,125 INFO L85 PathProgramCache]: Analyzing trace with hash -53968115, now seen corresponding path program 1 times [2022-01-10 21:42:15,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:15,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356001708] [2022-01-10 21:42:15,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:15,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:15,181 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-01-10 21:42:15,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:15,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356001708] [2022-01-10 21:42:15,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356001708] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:15,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:15,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:15,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889289943] [2022-01-10 21:42:15,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:15,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:15,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:15,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:15,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:15,183 INFO L87 Difference]: Start difference. First operand 1160 states and 1665 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:15,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:15,280 INFO L93 Difference]: Finished difference Result 2386 states and 3412 transitions. [2022-01-10 21:42:15,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:15,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2022-01-10 21:42:15,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:15,285 INFO L225 Difference]: With dead ends: 2386 [2022-01-10 21:42:15,285 INFO L226 Difference]: Without dead ends: 1266 [2022-01-10 21:42:15,286 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 21:42:15,287 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 13 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:15,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 261 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:15,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2022-01-10 21:42:15,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1252. [2022-01-10 21:42:15,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1251 states have (on average 1.4204636290967225) internal successors, (1777), 1251 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states 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 21:42:15,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1777 transitions. [2022-01-10 21:42:15,308 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1777 transitions. Word has length 183 [2022-01-10 21:42:15,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:15,309 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 1777 transitions. [2022-01-10 21:42:15,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:15,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1777 transitions. [2022-01-10 21:42:15,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-01-10 21:42:15,311 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:15,311 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:15,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 21:42:15,311 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:15,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:15,312 INFO L85 PathProgramCache]: Analyzing trace with hash 110712680, now seen corresponding path program 1 times [2022-01-10 21:42:15,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:15,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342193571] [2022-01-10 21:42:15,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:15,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-01-10 21:42:15,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:15,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342193571] [2022-01-10 21:42:15,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342193571] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:15,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:15,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:15,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118974716] [2022-01-10 21:42:15,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:15,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:15,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:15,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:15,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:15,369 INFO L87 Difference]: Start difference. First operand 1252 states and 1777 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states 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 21:42:15,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:15,454 INFO L93 Difference]: Finished difference Result 2576 states and 3654 transitions. [2022-01-10 21:42:15,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:15,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 204 [2022-01-10 21:42:15,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:15,459 INFO L225 Difference]: With dead ends: 2576 [2022-01-10 21:42:15,459 INFO L226 Difference]: Without dead ends: 1364 [2022-01-10 21:42:15,462 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 21:42:15,463 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 11 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:15,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 262 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:15,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2022-01-10 21:42:15,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1352. [2022-01-10 21:42:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1352 states, 1351 states have (on average 1.4041450777202074) internal successors, (1897), 1351 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states 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 21:42:15,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1897 transitions. [2022-01-10 21:42:15,485 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1897 transitions. Word has length 204 [2022-01-10 21:42:15,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:15,485 INFO L470 AbstractCegarLoop]: Abstraction has 1352 states and 1897 transitions. [2022-01-10 21:42:15,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states 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 21:42:15,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1897 transitions. [2022-01-10 21:42:15,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-01-10 21:42:15,488 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:15,488 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:15,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-10 21:42:15,488 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:15,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:15,489 INFO L85 PathProgramCache]: Analyzing trace with hash -182429664, now seen corresponding path program 1 times [2022-01-10 21:42:15,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:15,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934536070] [2022-01-10 21:42:15,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:15,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:15,556 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-01-10 21:42:15,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:15,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934536070] [2022-01-10 21:42:15,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934536070] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:15,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:15,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:15,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898670597] [2022-01-10 21:42:15,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:15,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:15,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:15,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:15,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:15,557 INFO L87 Difference]: Start difference. First operand 1352 states and 1897 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:15,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:15,646 INFO L93 Difference]: Finished difference Result 2784 states and 3906 transitions. [2022-01-10 21:42:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:15,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 228 [2022-01-10 21:42:15,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:15,650 INFO L225 Difference]: With dead ends: 2784 [2022-01-10 21:42:15,651 INFO L226 Difference]: Without dead ends: 1472 [2022-01-10 21:42:15,653 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 21:42:15,653 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 10 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:15,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 262 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:15,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2022-01-10 21:42:15,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1464. [2022-01-10 21:42:15,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1463 states have (on average 1.3868762816131237) internal successors, (2029), 1463 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states 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 21:42:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 2029 transitions. [2022-01-10 21:42:15,680 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 2029 transitions. Word has length 228 [2022-01-10 21:42:15,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:15,680 INFO L470 AbstractCegarLoop]: Abstraction has 1464 states and 2029 transitions. [2022-01-10 21:42:15,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:15,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2029 transitions. [2022-01-10 21:42:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-01-10 21:42:15,684 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:15,684 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:15,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-10 21:42:15,684 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:15,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:15,685 INFO L85 PathProgramCache]: Analyzing trace with hash 333090785, now seen corresponding path program 1 times [2022-01-10 21:42:15,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:15,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667441736] [2022-01-10 21:42:15,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:15,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-01-10 21:42:15,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:15,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667441736] [2022-01-10 21:42:15,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667441736] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:15,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:15,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:15,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146726947] [2022-01-10 21:42:15,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:15,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:15,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:15,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:15,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:15,746 INFO L87 Difference]: Start difference. First operand 1464 states and 2029 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:15,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:15,843 INFO L93 Difference]: Finished difference Result 3024 states and 4206 transitions. [2022-01-10 21:42:15,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:15,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 228 [2022-01-10 21:42:15,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:15,847 INFO L225 Difference]: With dead ends: 3024 [2022-01-10 21:42:15,847 INFO L226 Difference]: Without dead ends: 1600 [2022-01-10 21:42:15,849 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 21:42:15,849 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 11 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:15,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 263 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:15,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2022-01-10 21:42:15,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1588. [2022-01-10 21:42:15,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1587 states have (on average 1.3692501575299307) internal successors, (2173), 1587 states have internal predecessors, (2173), 0 states have call successors, (0), 0 states 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 21:42:15,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2173 transitions. [2022-01-10 21:42:15,886 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2173 transitions. Word has length 228 [2022-01-10 21:42:15,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:15,886 INFO L470 AbstractCegarLoop]: Abstraction has 1588 states and 2173 transitions. [2022-01-10 21:42:15,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:15,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2173 transitions. [2022-01-10 21:42:15,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-01-10 21:42:15,889 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:15,889 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:15,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-10 21:42:15,889 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:15,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:15,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1678416466, now seen corresponding path program 1 times [2022-01-10 21:42:15,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:15,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90466740] [2022-01-10 21:42:15,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:15,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:15,945 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 530 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-01-10 21:42:15,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:15,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90466740] [2022-01-10 21:42:15,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90466740] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:15,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:15,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:15,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072582341] [2022-01-10 21:42:15,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:15,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:15,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:15,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:15,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:15,946 INFO L87 Difference]: Start difference. First operand 1588 states and 2173 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states 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 21:42:15,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:15,979 INFO L93 Difference]: Finished difference Result 4568 states and 6287 transitions. [2022-01-10 21:42:15,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:15,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 258 [2022-01-10 21:42:15,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:15,988 INFO L225 Difference]: With dead ends: 4568 [2022-01-10 21:42:15,988 INFO L226 Difference]: Without dead ends: 3020 [2022-01-10 21:42:15,990 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 21:42:15,991 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 126 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:15,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 484 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 21:42:15,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3020 states. [2022-01-10 21:42:16,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3020 to 3018. [2022-01-10 21:42:16,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3018 states, 3017 states have (on average 1.3765329797812396) internal successors, (4153), 3017 states have internal predecessors, (4153), 0 states have call successors, (0), 0 states 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 21:42:16,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 3018 states and 4153 transitions. [2022-01-10 21:42:16,043 INFO L78 Accepts]: Start accepts. Automaton has 3018 states and 4153 transitions. Word has length 258 [2022-01-10 21:42:16,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:16,043 INFO L470 AbstractCegarLoop]: Abstraction has 3018 states and 4153 transitions. [2022-01-10 21:42:16,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states 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 21:42:16,043 INFO L276 IsEmpty]: Start isEmpty. Operand 3018 states and 4153 transitions. [2022-01-10 21:42:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-01-10 21:42:16,047 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:16,048 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:16,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-10 21:42:16,048 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:16,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:16,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1162896017, now seen corresponding path program 1 times [2022-01-10 21:42:16,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:16,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060719986] [2022-01-10 21:42:16,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:16,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:16,105 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 485 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-01-10 21:42:16,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:16,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060719986] [2022-01-10 21:42:16,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060719986] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:16,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:16,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:16,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156066019] [2022-01-10 21:42:16,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:16,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:16,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:16,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:16,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:16,107 INFO L87 Difference]: Start difference. First operand 3018 states and 4153 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states 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 21:42:16,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:16,237 INFO L93 Difference]: Finished difference Result 6296 states and 8702 transitions. [2022-01-10 21:42:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:16,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 258 [2022-01-10 21:42:16,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:16,246 INFO L225 Difference]: With dead ends: 6296 [2022-01-10 21:42:16,246 INFO L226 Difference]: Without dead ends: 3318 [2022-01-10 21:42:16,249 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 21:42:16,249 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 11 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:16,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 263 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:16,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3318 states. [2022-01-10 21:42:16,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3318 to 3302. [2022-01-10 21:42:16,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3302 states, 3301 states have (on average 1.3562556800969403) internal successors, (4477), 3301 states have internal predecessors, (4477), 0 states have call successors, (0), 0 states 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 21:42:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3302 states to 3302 states and 4477 transitions. [2022-01-10 21:42:16,321 INFO L78 Accepts]: Start accepts. Automaton has 3302 states and 4477 transitions. Word has length 258 [2022-01-10 21:42:16,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:16,322 INFO L470 AbstractCegarLoop]: Abstraction has 3302 states and 4477 transitions. [2022-01-10 21:42:16,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states 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 21:42:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 3302 states and 4477 transitions. [2022-01-10 21:42:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-01-10 21:42:16,327 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:16,327 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:16,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-10 21:42:16,327 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:16,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:16,328 INFO L85 PathProgramCache]: Analyzing trace with hash -251776987, now seen corresponding path program 1 times [2022-01-10 21:42:16,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:16,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512143077] [2022-01-10 21:42:16,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:16,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 555 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2022-01-10 21:42:16,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:16,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512143077] [2022-01-10 21:42:16,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512143077] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:16,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:16,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:16,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292507853] [2022-01-10 21:42:16,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:16,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:16,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:16,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:16,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:16,392 INFO L87 Difference]: Start difference. First operand 3302 states and 4477 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:16,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:16,527 INFO L93 Difference]: Finished difference Result 6712 states and 9118 transitions. [2022-01-10 21:42:16,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:16,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 282 [2022-01-10 21:42:16,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:16,537 INFO L225 Difference]: With dead ends: 6712 [2022-01-10 21:42:16,537 INFO L226 Difference]: Without dead ends: 3450 [2022-01-10 21:42:16,541 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 21:42:16,541 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 10 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:16,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 262 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:16,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3450 states. [2022-01-10 21:42:16,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3450 to 3434. [2022-01-10 21:42:16,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3434 states, 3433 states have (on average 1.3483833381881736) internal successors, (4629), 3433 states have internal predecessors, (4629), 0 states have call successors, (0), 0 states 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 21:42:16,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 3434 states and 4629 transitions. [2022-01-10 21:42:16,601 INFO L78 Accepts]: Start accepts. Automaton has 3434 states and 4629 transitions. Word has length 282 [2022-01-10 21:42:16,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:16,602 INFO L470 AbstractCegarLoop]: Abstraction has 3434 states and 4629 transitions. [2022-01-10 21:42:16,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:16,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 4629 transitions. [2022-01-10 21:42:16,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-01-10 21:42:16,607 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:16,607 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:16,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-10 21:42:16,607 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:16,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:16,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1845991766, now seen corresponding path program 1 times [2022-01-10 21:42:16,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:16,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778951238] [2022-01-10 21:42:16,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:16,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:16,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 442 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-01-10 21:42:16,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:16,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778951238] [2022-01-10 21:42:16,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778951238] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:16,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:16,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:16,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272618195] [2022-01-10 21:42:16,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:16,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:16,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:16,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:16,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:16,667 INFO L87 Difference]: Start difference. First operand 3434 states and 4629 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 21:42:16,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:16,814 INFO L93 Difference]: Finished difference Result 7228 states and 9882 transitions. [2022-01-10 21:42:16,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:16,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 293 [2022-01-10 21:42:16,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:16,824 INFO L225 Difference]: With dead ends: 7228 [2022-01-10 21:42:16,825 INFO L226 Difference]: Without dead ends: 3834 [2022-01-10 21:42:16,828 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 21:42:16,829 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 48 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:16,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 255 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:16,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2022-01-10 21:42:16,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3746. [2022-01-10 21:42:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3746 states, 3745 states have (on average 1.3343124165554072) internal successors, (4997), 3745 states have internal predecessors, (4997), 0 states have call successors, (0), 0 states 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 21:42:16,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3746 states to 3746 states and 4997 transitions. [2022-01-10 21:42:16,922 INFO L78 Accepts]: Start accepts. Automaton has 3746 states and 4997 transitions. Word has length 293 [2022-01-10 21:42:16,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:16,922 INFO L470 AbstractCegarLoop]: Abstraction has 3746 states and 4997 transitions. [2022-01-10 21:42:16,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states 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 21:42:16,923 INFO L276 IsEmpty]: Start isEmpty. Operand 3746 states and 4997 transitions. [2022-01-10 21:42:16,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-01-10 21:42:16,928 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:16,928 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:16,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-10 21:42:16,929 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:16,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:16,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1975193173, now seen corresponding path program 1 times [2022-01-10 21:42:16,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:16,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950461584] [2022-01-10 21:42:16,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:16,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:16,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-01-10 21:42:16,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:16,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950461584] [2022-01-10 21:42:16,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950461584] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:16,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:16,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:16,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303463233] [2022-01-10 21:42:16,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:16,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:16,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:17,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:17,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:17,000 INFO L87 Difference]: Start difference. First operand 3746 states and 4997 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 21:42:17,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:17,126 INFO L93 Difference]: Finished difference Result 7860 states and 10426 transitions. [2022-01-10 21:42:17,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:17,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 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 307 [2022-01-10 21:42:17,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:17,137 INFO L225 Difference]: With dead ends: 7860 [2022-01-10 21:42:17,137 INFO L226 Difference]: Without dead ends: 4154 [2022-01-10 21:42:17,157 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 21:42:17,158 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 136 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:17,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 140 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:17,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4154 states. [2022-01-10 21:42:17,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4154 to 3866. [2022-01-10 21:42:17,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3866 states, 3865 states have (on average 1.3301423027166883) internal successors, (5141), 3865 states have internal predecessors, (5141), 0 states have call successors, (0), 0 states 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 21:42:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 5141 transitions. [2022-01-10 21:42:17,227 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 5141 transitions. Word has length 307 [2022-01-10 21:42:17,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:17,228 INFO L470 AbstractCegarLoop]: Abstraction has 3866 states and 5141 transitions. [2022-01-10 21:42:17,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 21:42:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 5141 transitions. [2022-01-10 21:42:17,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-01-10 21:42:17,233 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:17,233 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:17,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-10 21:42:17,234 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:17,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:17,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1616577104, now seen corresponding path program 1 times [2022-01-10 21:42:17,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:17,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217840598] [2022-01-10 21:42:17,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:17,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 662 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-01-10 21:42:17,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:17,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217840598] [2022-01-10 21:42:17,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217840598] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:17,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:17,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:17,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594522360] [2022-01-10 21:42:17,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:17,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:17,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:17,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:17,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:17,308 INFO L87 Difference]: Start difference. First operand 3866 states and 5141 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states 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 21:42:17,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:17,377 INFO L93 Difference]: Finished difference Result 11014 states and 14735 transitions. [2022-01-10 21:42:17,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:17,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 308 [2022-01-10 21:42:17,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:17,397 INFO L225 Difference]: With dead ends: 11014 [2022-01-10 21:42:17,397 INFO L226 Difference]: Without dead ends: 7188 [2022-01-10 21:42:17,418 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 21:42:17,419 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 84 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:17,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 472 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 21:42:17,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7188 states. [2022-01-10 21:42:17,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7188 to 7186. [2022-01-10 21:42:17,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7186 states, 7185 states have (on average 1.3384829505915101) internal successors, (9617), 7185 states have internal predecessors, (9617), 0 states have call successors, (0), 0 states 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 21:42:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7186 states to 7186 states and 9617 transitions. [2022-01-10 21:42:17,532 INFO L78 Accepts]: Start accepts. Automaton has 7186 states and 9617 transitions. Word has length 308 [2022-01-10 21:42:17,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:17,533 INFO L470 AbstractCegarLoop]: Abstraction has 7186 states and 9617 transitions. [2022-01-10 21:42:17,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states 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 21:42:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 7186 states and 9617 transitions. [2022-01-10 21:42:17,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-01-10 21:42:17,541 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:17,541 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:17,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-10 21:42:17,541 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:17,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:17,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1095932070, now seen corresponding path program 1 times [2022-01-10 21:42:17,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:17,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291583435] [2022-01-10 21:42:17,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:17,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:17,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 636 proven. 0 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2022-01-10 21:42:17,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:17,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291583435] [2022-01-10 21:42:17,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291583435] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:17,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:17,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:17,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64815212] [2022-01-10 21:42:17,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:17,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:17,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:17,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:17,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:17,608 INFO L87 Difference]: Start difference. First operand 7186 states and 9617 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:17,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:17,763 INFO L93 Difference]: Finished difference Result 14340 states and 19178 transitions. [2022-01-10 21:42:17,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:17,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 309 [2022-01-10 21:42:17,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:17,776 INFO L225 Difference]: With dead ends: 14340 [2022-01-10 21:42:17,776 INFO L226 Difference]: Without dead ends: 7194 [2022-01-10 21:42:17,784 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 21:42:17,784 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 11 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:17,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 258 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:17,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7194 states. [2022-01-10 21:42:17,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7194 to 7162. [2022-01-10 21:42:17,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7162 states, 7161 states have (on average 1.3038681748359169) internal successors, (9337), 7161 states have internal predecessors, (9337), 0 states have call successors, (0), 0 states 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 21:42:17,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7162 states to 7162 states and 9337 transitions. [2022-01-10 21:42:17,938 INFO L78 Accepts]: Start accepts. Automaton has 7162 states and 9337 transitions. Word has length 309 [2022-01-10 21:42:17,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:17,938 INFO L470 AbstractCegarLoop]: Abstraction has 7162 states and 9337 transitions. [2022-01-10 21:42:17,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand 7162 states and 9337 transitions. [2022-01-10 21:42:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-01-10 21:42:17,946 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:17,947 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:42:17,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-10 21:42:17,947 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:17,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:17,947 INFO L85 PathProgramCache]: Analyzing trace with hash 908102695, now seen corresponding path program 1 times [2022-01-10 21:42:17,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:17,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494821099] [2022-01-10 21:42:17,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:17,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:18,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-01-10 21:42:18,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:18,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494821099] [2022-01-10 21:42:18,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494821099] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 21:42:18,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416403680] [2022-01-10 21:42:18,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:18,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:42:18,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:42:18,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 21:42:18,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 21:42:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:18,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 1354 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 21:42:18,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 21:42:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-01-10 21:42:18,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 21:42:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 657 proven. 14 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-01-10 21:42:19,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416403680] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 21:42:19,070 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 21:42:19,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-01-10 21:42:19,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376921094] [2022-01-10 21:42:19,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 21:42:19,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 21:42:19,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:19,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 21:42:19,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 21:42:19,072 INFO L87 Difference]: Start difference. First operand 7162 states and 9337 transitions. Second operand has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:19,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:19,476 INFO L93 Difference]: Finished difference Result 14358 states and 18729 transitions. [2022-01-10 21:42:19,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 21:42:19,477 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 332 [2022-01-10 21:42:19,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:19,494 INFO L225 Difference]: With dead ends: 14358 [2022-01-10 21:42:19,494 INFO L226 Difference]: Without dead ends: 10876 [2022-01-10 21:42:19,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 664 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-10 21:42:19,503 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 347 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:19,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [347 Valid, 760 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 21:42:19,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10876 states. [2022-01-10 21:42:19,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10876 to 8266. [2022-01-10 21:42:19,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8266 states, 8265 states have (on average 1.3107078039927405) internal successors, (10833), 8265 states have internal predecessors, (10833), 0 states have call successors, (0), 0 states 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 21:42:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8266 states to 8266 states and 10833 transitions. [2022-01-10 21:42:19,655 INFO L78 Accepts]: Start accepts. Automaton has 8266 states and 10833 transitions. Word has length 332 [2022-01-10 21:42:19,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:19,655 INFO L470 AbstractCegarLoop]: Abstraction has 8266 states and 10833 transitions. [2022-01-10 21:42:19,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 8266 states and 10833 transitions. [2022-01-10 21:42:19,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-01-10 21:42:19,664 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:19,666 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:19,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 21:42:19,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-01-10 21:42:19,882 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:19,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:19,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1539510381, now seen corresponding path program 2 times [2022-01-10 21:42:19,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:19,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519802857] [2022-01-10 21:42:19,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:19,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:19,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 714 proven. 5 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-01-10 21:42:19,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:19,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519802857] [2022-01-10 21:42:19,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519802857] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 21:42:19,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257935636] [2022-01-10 21:42:19,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 21:42:19,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:42:19,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:42:19,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 21:42:20,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-10 21:42:20,176 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-10 21:42:20,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 21:42:20,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 1430 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 21:42:20,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 21:42:20,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-01-10 21:42:20,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 21:42:20,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257935636] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:20,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 21:42:20,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-01-10 21:42:20,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215827625] [2022-01-10 21:42:20,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:20,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:20,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:20,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:20,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 21:42:20,505 INFO L87 Difference]: Start difference. First operand 8266 states and 10833 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:20,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:20,677 INFO L93 Difference]: Finished difference Result 16772 states and 21958 transitions. [2022-01-10 21:42:20,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:20,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 345 [2022-01-10 21:42:20,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:20,690 INFO L225 Difference]: With dead ends: 16772 [2022-01-10 21:42:20,690 INFO L226 Difference]: Without dead ends: 8546 [2022-01-10 21:42:20,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 21:42:20,701 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 57 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:20,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 238 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:20,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8546 states. [2022-01-10 21:42:20,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8546 to 7690. [2022-01-10 21:42:20,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7690 states, 7689 states have (on average 1.259071400702302) internal successors, (9681), 7689 states have internal predecessors, (9681), 0 states have call successors, (0), 0 states 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 21:42:20,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7690 states to 7690 states and 9681 transitions. [2022-01-10 21:42:20,827 INFO L78 Accepts]: Start accepts. Automaton has 7690 states and 9681 transitions. Word has length 345 [2022-01-10 21:42:20,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:20,828 INFO L470 AbstractCegarLoop]: Abstraction has 7690 states and 9681 transitions. [2022-01-10 21:42:20,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:20,828 INFO L276 IsEmpty]: Start isEmpty. Operand 7690 states and 9681 transitions. [2022-01-10 21:42:20,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2022-01-10 21:42:20,837 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:20,837 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:42:20,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-10 21:42:21,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-01-10 21:42:21,055 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:21,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:21,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1874486523, now seen corresponding path program 1 times [2022-01-10 21:42:21,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:21,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166567188] [2022-01-10 21:42:21,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:21,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-01-10 21:42:21,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:21,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166567188] [2022-01-10 21:42:21,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166567188] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 21:42:21,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312515370] [2022-01-10 21:42:21,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:21,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:42:21,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:42:21,126 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 21:42:21,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-10 21:42:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:21,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 1555 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 21:42:21,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 21:42:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-01-10 21:42:21,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 21:42:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 957 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-01-10 21:42:22,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312515370] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 21:42:22,134 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 21:42:22,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-01-10 21:42:22,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489793506] [2022-01-10 21:42:22,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 21:42:22,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 21:42:22,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:22,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 21:42:22,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 21:42:22,135 INFO L87 Difference]: Start difference. First operand 7690 states and 9681 transitions. Second operand has 6 states, 6 states have (on average 39.0) internal successors, (234), 6 states have internal predecessors, (234), 0 states have call successors, (0), 0 states 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 21:42:22,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:22,391 INFO L93 Difference]: Finished difference Result 17491 states and 21920 transitions. [2022-01-10 21:42:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 21:42:22,391 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.0) internal successors, (234), 6 states have internal predecessors, (234), 0 states have call successors, (0), 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 376 [2022-01-10 21:42:22,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:22,407 INFO L225 Difference]: With dead ends: 17491 [2022-01-10 21:42:22,407 INFO L226 Difference]: Without dead ends: 9833 [2022-01-10 21:42:22,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 756 GetRequests, 751 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-10 21:42:22,415 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 220 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:22,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 608 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 21:42:22,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9833 states. [2022-01-10 21:42:22,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9833 to 8080. [2022-01-10 21:42:22,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8080 states, 8079 states have (on average 1.255600940710484) internal successors, (10144), 8079 states have internal predecessors, (10144), 0 states have call successors, (0), 0 states 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 21:42:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8080 states to 8080 states and 10144 transitions. [2022-01-10 21:42:22,571 INFO L78 Accepts]: Start accepts. Automaton has 8080 states and 10144 transitions. Word has length 376 [2022-01-10 21:42:22,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:22,571 INFO L470 AbstractCegarLoop]: Abstraction has 8080 states and 10144 transitions. [2022-01-10 21:42:22,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.0) internal successors, (234), 6 states have internal predecessors, (234), 0 states have call successors, (0), 0 states 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 21:42:22,571 INFO L276 IsEmpty]: Start isEmpty. Operand 8080 states and 10144 transitions. [2022-01-10 21:42:22,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-01-10 21:42:22,581 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:22,581 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:22,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-10 21:42:22,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:42:22,797 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:22,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:22,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1575394670, now seen corresponding path program 1 times [2022-01-10 21:42:22,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:22,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120485801] [2022-01-10 21:42:22,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:22,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1972 backedges. 887 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-01-10 21:42:22,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:22,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120485801] [2022-01-10 21:42:22,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120485801] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:42:22,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:42:22,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:42:22,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636793650] [2022-01-10 21:42:22,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:42:22,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:42:22,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:22,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:42:22,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:42:22,881 INFO L87 Difference]: Start difference. First operand 8080 states and 10144 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states 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 21:42:23,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:23,035 INFO L93 Difference]: Finished difference Result 15226 states and 18739 transitions. [2022-01-10 21:42:23,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:42:23,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 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 415 [2022-01-10 21:42:23,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:23,044 INFO L225 Difference]: With dead ends: 15226 [2022-01-10 21:42:23,044 INFO L226 Difference]: Without dead ends: 3772 [2022-01-10 21:42:23,052 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 21:42:23,052 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 39 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:23,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 264 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:42:23,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3772 states. [2022-01-10 21:42:23,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3772 to 3557. [2022-01-10 21:42:23,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3557 states, 3556 states have (on average 1.2438132733408325) internal successors, (4423), 3556 states have internal predecessors, (4423), 0 states have call successors, (0), 0 states 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 21:42:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3557 states to 3557 states and 4423 transitions. [2022-01-10 21:42:23,102 INFO L78 Accepts]: Start accepts. Automaton has 3557 states and 4423 transitions. Word has length 415 [2022-01-10 21:42:23,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:23,102 INFO L470 AbstractCegarLoop]: Abstraction has 3557 states and 4423 transitions. [2022-01-10 21:42:23,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states 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 21:42:23,102 INFO L276 IsEmpty]: Start isEmpty. Operand 3557 states and 4423 transitions. [2022-01-10 21:42:23,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-01-10 21:42:23,107 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:42:23,107 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 17, 16, 16, 15, 15, 13, 13, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:42:23,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-10 21:42:23,107 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:42:23,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:42:23,107 INFO L85 PathProgramCache]: Analyzing trace with hash -607622356, now seen corresponding path program 1 times [2022-01-10 21:42:23,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:42:23,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104077540] [2022-01-10 21:42:23,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:23,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:42:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:23,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-01-10 21:42:23,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:42:23,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104077540] [2022-01-10 21:42:23,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104077540] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 21:42:23,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143528965] [2022-01-10 21:42:23,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:42:23,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:42:23,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:42:23,180 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 21:42:23,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-10 21:42:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:42:23,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 1890 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 21:42:23,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 21:42:23,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-01-10 21:42:23,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 21:42:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 1481 proven. 14 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2022-01-10 21:42:24,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143528965] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 21:42:24,367 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 21:42:24,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-01-10 21:42:24,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009785358] [2022-01-10 21:42:24,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 21:42:24,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 21:42:24,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:42:24,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 21:42:24,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 21:42:24,368 INFO L87 Difference]: Start difference. First operand 3557 states and 4423 transitions. Second operand has 7 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states 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 21:42:24,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:42:24,640 INFO L93 Difference]: Finished difference Result 4410 states and 5479 transitions. [2022-01-10 21:42:24,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 21:42:24,641 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 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 482 [2022-01-10 21:42:24,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:42:24,641 INFO L225 Difference]: With dead ends: 4410 [2022-01-10 21:42:24,641 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 21:42:24,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 970 GetRequests, 963 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-10 21:42:24,644 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 101 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 21:42:24,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 778 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 21:42:24,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 21:42:24,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 21:42:24,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:42:24,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 21:42:24,646 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 482 [2022-01-10 21:42:24,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:42:24,646 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 21:42:24,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 43.857142857142854) internal successors, (307), 7 states have internal predecessors, (307), 0 states have call successors, (0), 0 states 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 21:42:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 21:42:24,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 21:42:24,650 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 21:42:24,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-10 21:42:24,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-01-10 21:42:24,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 21:42:28,271 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 21:42:28,271 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 21:42:28,271 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 102) no Hoare annotation was computed. [2022-01-10 21:42:28,271 INFO L858 garLoopResultBuilder]: For program point L99-2(lines 96 102) no Hoare annotation was computed. [2022-01-10 21:42:28,271 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 101) no Hoare annotation was computed. [2022-01-10 21:42:28,271 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2022-01-10 21:42:28,271 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 107) no Hoare annotation was computed. [2022-01-10 21:42:28,271 INFO L858 garLoopResultBuilder]: For program point L110-1(lines 87 562) no Hoare annotation was computed. [2022-01-10 21:42:28,271 INFO L861 garLoopResultBuilder]: At program point L551(lines 109 552) the Hoare annotation is: true [2022-01-10 21:42:28,271 INFO L858 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-01-10 21:42:28,271 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 558) no Hoare annotation was computed. [2022-01-10 21:42:28,271 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 531) no Hoare annotation was computed. [2022-01-10 21:42:28,271 INFO L858 garLoopResultBuilder]: For program point L556-2(lines 556 558) no Hoare annotation was computed. [2022-01-10 21:42:28,272 INFO L854 garLoopResultBuilder]: At program point L114(lines 113 531) the Hoare annotation is: (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 0) (<= 4560 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|)) [2022-01-10 21:42:28,272 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 530) no Hoare annotation was computed. [2022-01-10 21:42:28,272 INFO L861 garLoopResultBuilder]: At program point L561(lines 22 563) the Hoare annotation is: true [2022-01-10 21:42:28,272 INFO L854 garLoopResultBuilder]: At program point L218(lines 116 530) the Hoare annotation is: (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 0) [2022-01-10 21:42:28,272 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 529) no Hoare annotation was computed. [2022-01-10 21:42:28,272 INFO L861 garLoopResultBuilder]: At program point L572(lines 564 574) the Hoare annotation is: true [2022-01-10 21:42:28,272 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 225) no Hoare annotation was computed. [2022-01-10 21:42:28,272 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 528) no Hoare annotation was computed. [2022-01-10 21:42:28,272 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 21:42:28,272 INFO L858 garLoopResultBuilder]: For program point L223-2(lines 223 225) no Hoare annotation was computed. [2022-01-10 21:42:28,272 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 527) no Hoare annotation was computed. [2022-01-10 21:42:28,272 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 21:42:28,272 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 231) no Hoare annotation was computed. [2022-01-10 21:42:28,272 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 526) no Hoare annotation was computed. [2022-01-10 21:42:28,272 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 245) no Hoare annotation was computed. [2022-01-10 21:42:28,272 INFO L854 garLoopResultBuilder]: At program point L132(lines 128 526) the Hoare annotation is: (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 0) (not (<= 4400 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|)) (<= 4352 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|)) [2022-01-10 21:42:28,272 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 525) no Hoare annotation was computed. [2022-01-10 21:42:28,272 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 239) no Hoare annotation was computed. [2022-01-10 21:42:28,272 INFO L858 garLoopResultBuilder]: For program point L234-2(lines 213 496) no Hoare annotation was computed. [2022-01-10 21:42:28,273 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 264) no Hoare annotation was computed. [2022-01-10 21:42:28,273 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 524) no Hoare annotation was computed. [2022-01-10 21:42:28,273 INFO L858 garLoopResultBuilder]: For program point L240(lines 240 243) no Hoare annotation was computed. [2022-01-10 21:42:28,273 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 253) no Hoare annotation was computed. [2022-01-10 21:42:28,273 INFO L858 garLoopResultBuilder]: For program point L262-2(lines 213 496) no Hoare annotation was computed. [2022-01-10 21:42:28,273 INFO L854 garLoopResultBuilder]: At program point L138(lines 134 524) the Hoare annotation is: (let ((.cse0 (not (<= 4400 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|))) (.cse1 (<= 4352 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 1)) (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 0) .cse0 .cse1))) [2022-01-10 21:42:28,273 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 523) no Hoare annotation was computed. [2022-01-10 21:42:28,273 INFO L854 garLoopResultBuilder]: At program point L497(lines 110 550) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 4560)) (.cse1 (<= 4560 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|)) (.cse9 (<= 4560 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1Int|)) (.cse11 (= 4496 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|)) (.cse5 (= 4448 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|)) (.cse6 (= 4528 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|)) (.cse12 (= 4512 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|)) (.cse14 (= 4480 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|)) (.cse4 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1Int| 4560)) (.cse7 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 4352)) (.cse8 (<= 4352 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|)) (.cse10 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 4)) (.cse15 (= 4464 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|)) (.cse3 (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__hit~0#1Int| 0)) (.cse13 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 3)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 2))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse3 .cse4 .cse6) (and .cse3 .cse7 .cse8 .cse4 .cse9) (and .cse10 (= 4416 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|) .cse3) (and .cse10 .cse3 (= 4432 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|)) (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 0) (and .cse3 .cse4 .cse11) (and .cse3 .cse0 .cse4 .cse1 .cse9) (and .cse12 .cse2) (and .cse10 .cse3 .cse11) (and (= 4384 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|) (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 1)) (and .cse4 .cse13) (and .cse10 .cse3 .cse5) (and (= 4400 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|) .cse3 .cse2) (and .cse6 .cse2) (and .cse10 .cse14 .cse3) (and .cse3 .cse4 .cse12) (and .cse10 .cse3 .cse6) (and .cse15 .cse3 .cse4) (and .cse10 .cse3 .cse12) (and .cse14 .cse3 .cse4) (and (= 3 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1Int|) .cse7 .cse8 .cse2) (and .cse10 .cse15 .cse3) (and .cse3 .cse13 .cse2))) [2022-01-10 21:42:28,273 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2022-01-10 21:42:28,273 INFO L858 garLoopResultBuilder]: For program point L277(lines 277 279) no Hoare annotation was computed. [2022-01-10 21:42:28,273 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 522) no Hoare annotation was computed. [2022-01-10 21:42:28,273 INFO L858 garLoopResultBuilder]: For program point L533(lines 533 547) no Hoare annotation was computed. [2022-01-10 21:42:28,273 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 548) no Hoare annotation was computed. [2022-01-10 21:42:28,273 INFO L858 garLoopResultBuilder]: For program point L277-2(lines 213 496) no Hoare annotation was computed. [2022-01-10 21:42:28,273 INFO L854 garLoopResultBuilder]: At program point L144(lines 140 522) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 4560)) (.cse1 (<= 4352 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|))) (or (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__hit~0#1Int| 0) .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 2)) (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 0) .cse0 .cse1))) [2022-01-10 21:42:28,273 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 521) no Hoare annotation was computed. [2022-01-10 21:42:28,273 INFO L858 garLoopResultBuilder]: For program point L534(lines 534 539) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 287) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 308) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 520) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 538) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L534-2(lines 533 547) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L283-2(lines 283 287) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L294-2(lines 294 308) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 304) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L854 garLoopResultBuilder]: At program point L150(lines 146 520) the Hoare annotation is: (let ((.cse0 (< 4400 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 4560))) (or (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 4) .cse0 (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__hit~0#1Int| 0) .cse1) (and .cse0 (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 0) .cse1))) [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 519) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 545) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L301-2(lines 296 308) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 318) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 518) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 213 496) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L854 garLoopResultBuilder]: At program point L156(lines 152 518) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 4560)) (.cse1 (<= 4432 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|))) (or (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 0) .cse0 .cse1) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 4) (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__hit~0#1Int| 0) .cse0 .cse1))) [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 517) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 327) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 334) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 516) no Hoare annotation was computed. [2022-01-10 21:42:28,274 INFO L854 garLoopResultBuilder]: At program point L333(lines 87 562) the Hoare annotation is: false [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2022-01-10 21:42:28,275 INFO L854 garLoopResultBuilder]: At program point L162(lines 158 516) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__hit~0#1Int| 0)) (.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 4560)) (.cse1 (<= 4432 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|))) (or (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 0) .cse0 .cse1) (and .cse2 .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1Int| 4560) .cse1) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 4) .cse2 .cse0 .cse1))) [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 515) no Hoare annotation was computed. [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560) no Hoare annotation was computed. [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 346) no Hoare annotation was computed. [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 514) no Hoare annotation was computed. [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2022-01-10 21:42:28,275 INFO L854 garLoopResultBuilder]: At program point L174(lines 164 514) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__hit~0#1Int| 0)) (.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 4560)) (.cse1 (<= 4432 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|))) (or (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 0) .cse0 .cse1) (and .cse2 .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1Int| 4560) .cse1) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 4) .cse2 .cse0 .cse1))) [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 513) no Hoare annotation was computed. [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point L347-2(lines 347 351) no Hoare annotation was computed. [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 361) no Hoare annotation was computed. [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 512) no Hoare annotation was computed. [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 511) no Hoare annotation was computed. [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 510) no Hoare annotation was computed. [2022-01-10 21:42:28,275 INFO L854 garLoopResultBuilder]: At program point L180(lines 176 510) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__hit~0#1Int| 0)) (.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 4560)) (.cse1 (<= 4432 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|))) (or (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 0) .cse0 .cse1) (and .cse2 .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1Int| 4560) .cse1) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 4) .cse2 .cse0 .cse1))) [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 509) no Hoare annotation was computed. [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2022-01-10 21:42:28,275 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 508) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L372(lines 372 377) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L854 garLoopResultBuilder]: At program point L186(lines 182 508) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__hit~0#1Int| 0)) (.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 4560)) (.cse1 (<= 4432 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|))) (or (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 0) .cse0 .cse1) (and .cse2 .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1Int| 4560) .cse1) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 4) .cse2 .cse0 .cse1))) [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 507) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L372-2(lines 372 377) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 385) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 506) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L854 garLoopResultBuilder]: At program point L192(lines 188 506) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__hit~0#1Int| 0)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 4560)) (.cse2 (<= 4432 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1Int| 4560) .cse2) (and .cse1 .cse2 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 2)) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 4) .cse0 .cse1 .cse2))) [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 505) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 395) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 504) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 403) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L854 garLoopResultBuilder]: At program point L198(lines 194 504) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__hit~0#1Int| 0)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 4560)) (.cse2 (<= 4432 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1Int| 4560) .cse2) (and .cse1 .cse2 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 2)) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 4) .cse0 .cse1 .cse2))) [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 503) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L399-2(lines 213 496) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 418) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 502) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 411) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L423(lines 423 437) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L854 garLoopResultBuilder]: At program point L204(lines 200 502) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 4560)) (.cse1 (<= 4560 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 2)) (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 0) (< |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 12292) .cse1) (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__hit~0#1Int| 0) .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1Int| 4560) .cse1 (<= 4560 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1Int|)))) [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 501) no Hoare annotation was computed. [2022-01-10 21:42:28,276 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 433) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L423-1(lines 423 437) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 445) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 500) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 450) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L854 garLoopResultBuilder]: At program point L207(lines 206 500) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int| 4352)) (.cse1 (<= 4352 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__state~0#1Int|))) (or (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__hit~0#1Int| 0) .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1Int| 4560) (<= 4560 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1Int|)) (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 0) .cse0 .cse1) (and (= 3 |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1Int|) .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_connect_~blastFlag~0#1Int| 2)))) [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 499) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L456(lines 456 467) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L861 garLoopResultBuilder]: At program point L210(lines 209 499) the Hoare annotation is: true [2022-01-10 21:42:28,277 INFO L861 garLoopResultBuilder]: At program point L212(lines 211 499) the Hoare annotation is: true [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L456-2(lines 456 467) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 472 474) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 486) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L484-2(lines 484 486) no Hoare annotation was computed. [2022-01-10 21:42:28,277 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 491) no Hoare annotation was computed. [2022-01-10 21:42:28,280 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:42:28,280 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 21:42:28,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:42:28 BasicIcfg [2022-01-10 21:42:28,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 21:42:28,304 INFO L158 Benchmark]: Toolchain (without parser) took 16166.91ms. Allocated memory was 200.3MB in the beginning and 670.0MB in the end (delta: 469.8MB). Free memory was 141.4MB in the beginning and 368.7MB in the end (delta: -227.3MB). Peak memory consumption was 395.0MB. Max. memory is 8.0GB. [2022-01-10 21:42:28,304 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 200.3MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 21:42:28,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.93ms. Allocated memory was 200.3MB in the beginning and 302.0MB in the end (delta: 101.7MB). Free memory was 141.2MB in the beginning and 268.9MB in the end (delta: -127.8MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. [2022-01-10 21:42:28,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.19ms. Allocated memory is still 302.0MB. Free memory was 268.9MB in the beginning and 266.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 21:42:28,304 INFO L158 Benchmark]: Boogie Preprocessor took 20.47ms. Allocated memory is still 302.0MB. Free memory was 266.3MB in the beginning and 264.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 21:42:28,304 INFO L158 Benchmark]: RCFGBuilder took 475.04ms. Allocated memory is still 302.0MB. Free memory was 264.2MB in the beginning and 238.5MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-01-10 21:42:28,305 INFO L158 Benchmark]: IcfgTransformer took 116.70ms. Allocated memory is still 302.0MB. Free memory was 238.5MB in the beginning and 224.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-10 21:42:28,305 INFO L158 Benchmark]: TraceAbstraction took 15245.34ms. Allocated memory was 302.0MB in the beginning and 670.0MB in the end (delta: 368.1MB). Free memory was 224.4MB in the beginning and 368.7MB in the end (delta: -144.3MB). Peak memory consumption was 374.8MB. Max. memory is 8.0GB. [2022-01-10 21:42:28,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 200.3MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 270.93ms. Allocated memory was 200.3MB in the beginning and 302.0MB in the end (delta: 101.7MB). Free memory was 141.2MB in the beginning and 268.9MB in the end (delta: -127.8MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.19ms. Allocated memory is still 302.0MB. Free memory was 268.9MB in the beginning and 266.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.47ms. Allocated memory is still 302.0MB. Free memory was 266.3MB in the beginning and 264.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 475.04ms. Allocated memory is still 302.0MB. Free memory was 264.2MB in the beginning and 238.5MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * IcfgTransformer took 116.70ms. Allocated memory is still 302.0MB. Free memory was 238.5MB in the beginning and 224.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 15245.34ms. Allocated memory was 302.0MB in the beginning and 670.0MB in the end (delta: 368.1MB). Free memory was 224.4MB in the beginning and 368.7MB in the end (delta: -144.3MB). Peak memory consumption was 374.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 560]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.2s, OverallIterations: 26, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2000 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2000 mSDsluCounter, 8575 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3576 mSDsCounter, 529 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3145 IncrementalHoareTripleChecker+Invalid, 3674 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 529 mSolverCounterUnsat, 4999 mSDtfsCounter, 3145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2810 GetRequests, 2767 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8266occurred in iteration=22, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 26 MinimizatonAttempts, 6034 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 252 NumberOfFragments, 668 HoareAnnotationTreeSize, 22 FomulaSimplifications, 13695 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 22 FomulaSimplificationsInter, 9821 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 7108 NumberOfCodeBlocks, 7108 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 8265 ConstructedInterpolants, 0 QuantifiedInterpolants, 11104 SizeOfPredicates, 3 NumberOfNonLiveVariables, 6229 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 33 InterpolantComputations, 23 PerfectInterpolantSequences, 30892/30996 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && ~bvule32(s__state, 4560bv32)) && 0bv32 == s__hit) && ~bvule32(4432bv32, s__state)) || ((blastFlag == 0bv32 && ~bvule32(s__state, 4560bv32)) && ~bvule32(4432bv32, s__state))) || (((~bvule32(s__state, 4560bv32) && 0bv32 == s__hit) && ~bvule32(4432bv32, s__state)) && ~bvule32(blastFlag, 4bv32)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: blastFlag == 0bv32 && ~bvule32(4560bv32, s__state) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((~bvule32(blastFlag, 2bv32) && 0bv32 == s__hit) && s__state == 4400bv32) || blastFlag == 0bv32) || ((~bvule32(blastFlag, 2bv32) && ~bvule32(s__state, 4560bv32)) && ~bvule32(4560bv32, s__state))) || (~bvule32(blastFlag, 2bv32) && 4528bv32 == s__state)) || ((0bv32 == s__hit && 4512bv32 == s__state) && ~bvule32(blastFlag, 4bv32))) || (~bvule32(blastFlag, 2bv32) && 4512bv32 == s__state)) || ((((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && ~bvule32(4352bv32, s__state)) && 0bv32 == s__hit) && ~bvule32(4560bv32, s__s3__tmp__next_state___0)) && ~bvule32(s__state, 4352bv32))) || ((s__state == 4448bv32 && 0bv32 == s__hit) && ~bvule32(blastFlag, 4bv32))) || ((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && 0bv32 == s__hit) && 4480bv32 == s__state)) || ((((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && ~bvule32(s__state, 4560bv32)) && 0bv32 == s__hit) && ~bvule32(4560bv32, s__s3__tmp__next_state___0)) && ~bvule32(4560bv32, s__state))) || ((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && s__state == 4448bv32) && 0bv32 == s__hit)) || ((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && 0bv32 == s__hit) && s__state == 4496bv32)) || ((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && 0bv32 == s__hit) && 4512bv32 == s__state)) || ((0bv32 == s__hit && ~bvule32(blastFlag, 4bv32)) && 4432bv32 == s__state)) || (~bvule32(s__s3__tmp__next_state___0, 4560bv32) && ~bvule32(s__state, 3bv32))) || (((~bvule32(blastFlag, 2bv32) && ~bvule32(4352bv32, s__state)) && 3bv32 == s__s3__tmp__next_state___0) && ~bvule32(s__state, 4352bv32))) || ((s__state == 4416bv32 && 0bv32 == s__hit) && ~bvule32(blastFlag, 4bv32))) || ((0bv32 == s__hit && s__state == 4496bv32) && ~bvule32(blastFlag, 4bv32))) || ((0bv32 == s__hit && 4480bv32 == s__state) && ~bvule32(blastFlag, 4bv32))) || ((~bvule32(blastFlag, 2bv32) && 0bv32 == s__hit) && ~bvule32(s__state, 3bv32))) || ((0bv32 == s__hit && ~bvule32(blastFlag, 4bv32)) && 4464bv32 == s__state)) || ((0bv32 == s__hit && 4528bv32 == s__state) && ~bvule32(blastFlag, 4bv32))) || ((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && 0bv32 == s__hit) && 4464bv32 == s__state)) || ((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && 0bv32 == s__hit) && 4528bv32 == s__state)) || (blastFlag == 1bv32 && s__state == 4384bv32) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((~bvule32(blastFlag, 2bv32) && ~bvule32(s__state, 4560bv32)) && ~bvule32(4432bv32, s__state)) || (((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && ~bvule32(s__state, 4560bv32)) && 0bv32 == s__hit) && ~bvule32(4432bv32, s__state))) || (((~bvule32(s__state, 4560bv32) && 0bv32 == s__hit) && ~bvule32(4432bv32, s__state)) && ~bvule32(blastFlag, 4bv32)) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: (((((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && ~bvule32(4352bv32, s__state)) && 0bv32 == s__hit) && ~bvule32(4560bv32, s__s3__tmp__next_state___0)) && ~bvule32(s__state, 4352bv32)) || ((blastFlag == 0bv32 && ~bvule32(4352bv32, s__state)) && ~bvule32(s__state, 4352bv32))) || (((~bvule32(blastFlag, 2bv32) && ~bvule32(4352bv32, s__state)) && 3bv32 == s__s3__tmp__next_state___0) && ~bvule32(s__state, 4352bv32)) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: blastFlag == 0bv32 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((blastFlag == 0bv32 && ~bvule32(s__state, 4560bv32)) && ~bvule32(4352bv32, s__state)) || (((~bvule32(blastFlag, 2bv32) && ~bvule32(s__state, 4560bv32)) && ~bvule32(4352bv32, s__state)) && 0bv32 == s__hit) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((~bvule32(blastFlag, 2bv32) && ~bvule32(s__state, 4560bv32)) && ~bvule32(4560bv32, s__state)) || ((((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && ~bvule32(s__state, 4560bv32)) && 0bv32 == s__hit) && ~bvule32(4560bv32, s__s3__tmp__next_state___0)) && ~bvule32(4560bv32, s__state))) || ((blastFlag == 0bv32 && ~bvule32(4560bv32, s__state)) && ~bvult64(s__state, 12292bv32)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (blastFlag == 0bv32 && ~bvule32(4352bv32, s__state)) && !~bvule32(4400bv32, s__state) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((blastFlag == 0bv32 && ~bvule32(s__state, 4560bv32)) && ~bvule32(4432bv32, s__state)) || (((~bvule32(s__state, 4560bv32) && 0bv32 == s__hit) && ~bvule32(4432bv32, s__state)) && ~bvule32(blastFlag, 4bv32)) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((~bvule32(blastFlag, 2bv32) && ~bvule32(s__state, 4560bv32)) && ~bvule32(4432bv32, s__state)) || (((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && ~bvule32(s__state, 4560bv32)) && 0bv32 == s__hit) && ~bvule32(4432bv32, s__state))) || (((~bvule32(s__state, 4560bv32) && 0bv32 == s__hit) && ~bvule32(4432bv32, s__state)) && ~bvule32(blastFlag, 4bv32)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && ~bvule32(s__state, 4560bv32)) && 0bv32 == s__hit) && ~bvule32(4432bv32, s__state)) || ((blastFlag == 0bv32 && ~bvule32(s__state, 4560bv32)) && ~bvule32(4432bv32, s__state))) || (((~bvule32(s__state, 4560bv32) && 0bv32 == s__hit) && ~bvule32(4432bv32, s__state)) && ~bvule32(blastFlag, 4bv32)) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((blastFlag == 1bv32 && ~bvule32(4352bv32, s__state)) && !~bvule32(4400bv32, s__state)) || ((blastFlag == 0bv32 && ~bvule32(4352bv32, s__state)) && !~bvule32(4400bv32, s__state)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((~bvule32(s__state, 4560bv32) && 0bv32 == s__hit) && ~bvult64(4400bv32, s__state)) && ~bvule32(blastFlag, 4bv32)) || ((blastFlag == 0bv32 && ~bvule32(s__state, 4560bv32)) && ~bvult64(4400bv32, s__state)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && ~bvule32(s__state, 4560bv32)) && 0bv32 == s__hit) && ~bvule32(4432bv32, s__state)) || ((blastFlag == 0bv32 && ~bvule32(s__state, 4560bv32)) && ~bvule32(4432bv32, s__state))) || (((~bvule32(s__state, 4560bv32) && 0bv32 == s__hit) && ~bvule32(4432bv32, s__state)) && ~bvule32(blastFlag, 4bv32)) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((((~bvule32(s__s3__tmp__next_state___0, 4560bv32) && ~bvule32(s__state, 4560bv32)) && 0bv32 == s__hit) && ~bvule32(4432bv32, s__state)) || ((blastFlag == 0bv32 && ~bvule32(s__state, 4560bv32)) && ~bvule32(4432bv32, s__state))) || (((~bvule32(s__state, 4560bv32) && 0bv32 == s__hit) && ~bvule32(4432bv32, s__state)) && ~bvule32(blastFlag, 4bv32)) RESULT: Ultimate proved your program to be correct! [2022-01-10 21:42:28,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...