/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-races/race-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 13:47:59,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 13:47:59,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 13:47:59,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 13:47:59,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 13:47:59,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 13:47:59,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 13:47:59,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 13:47:59,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 13:47:59,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 13:47:59,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 13:47:59,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 13:47:59,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 13:47:59,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 13:47:59,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 13:47:59,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 13:47:59,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 13:47:59,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 13:47:59,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 13:47:59,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 13:47:59,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 13:47:59,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 13:47:59,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 13:47:59,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 13:47:59,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 13:47:59,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 13:47:59,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 13:47:59,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 13:47:59,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 13:47:59,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 13:47:59,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 13:47:59,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 13:47:59,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 13:47:59,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 13:47:59,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 13:47:59,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 13:47:59,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 13:47:59,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 13:47:59,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 13:47:59,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 13:47:59,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 13:47:59,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 13:47:59,926 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 13:47:59,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 13:47:59,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 13:47:59,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 13:47:59,929 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 13:47:59,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 13:47:59,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 13:47:59,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 13:47:59,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 13:47:59,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 13:47:59,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 13:47:59,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 13:47:59,930 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 13:47:59,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 13:47:59,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 13:47:59,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 13:47:59,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 13:47:59,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 13:47:59,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 13:47:59,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 13:47:59,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 13:47:59,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 13:47:59,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 13:47:59,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 13:47:59,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 13:47:59,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 13:48:00,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 13:48:00,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 13:48:00,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 13:48:00,326 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 13:48:00,327 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 13:48:00,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2020-12-23 13:48:00,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/767069d6e/519a5538895a4ff0b04bfd56b60525ff/FLAG4d33e4152 [2020-12-23 13:48:01,246 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 13:48:01,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2020-12-23 13:48:01,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/767069d6e/519a5538895a4ff0b04bfd56b60525ff/FLAG4d33e4152 [2020-12-23 13:48:01,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/767069d6e/519a5538895a4ff0b04bfd56b60525ff [2020-12-23 13:48:01,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 13:48:01,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 13:48:01,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 13:48:01,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 13:48:01,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 13:48:01,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:48:01" (1/1) ... [2020-12-23 13:48:01,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f3208d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:48:01, skipping insertion in model container [2020-12-23 13:48:01,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:48:01" (1/1) ... [2020-12-23 13:48:01,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 13:48:01,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 13:48:01,714 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-23 13:48:02,416 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] left hand side expression in assignment: lhs: VariableLHS[~data~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~data~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~data~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~data~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[~data~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~data,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~data,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~data,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[~data,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~probe_ret~0,] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~data~1,],shared],a] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~data~1,],shared],b] [2020-12-23 13:48:02,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:48:02,455 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 13:48:02,469 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-23 13:48:02,503 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i[75002,75015] left hand side expression in assignment: lhs: VariableLHS[~data~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~data~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~data~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~data~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[~data~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~data,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~data,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~data,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[~data,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~probe_ret~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#data~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[24],StructAccessExpression[IdentifierExpression[~#data~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#data~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[28],StructAccessExpression[IdentifierExpression[~#data~1,],offset]]]] [2020-12-23 13:48:02,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:48:03,023 INFO L208 MainTranslator]: Completed translation [2020-12-23 13:48:03,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:48:03 WrapperNode [2020-12-23 13:48:03,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 13:48:03,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 13:48:03,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 13:48:03,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 13:48:03,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:48:03" (1/1) ... [2020-12-23 13:48:03,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:48:03" (1/1) ... [2020-12-23 13:48:03,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 13:48:03,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 13:48:03,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 13:48:03,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 13:48:03,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:48:03" (1/1) ... [2020-12-23 13:48:03,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:48:03" (1/1) ... [2020-12-23 13:48:03,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:48:03" (1/1) ... [2020-12-23 13:48:03,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:48:03" (1/1) ... [2020-12-23 13:48:03,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:48:03" (1/1) ... [2020-12-23 13:48:03,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:48:03" (1/1) ... [2020-12-23 13:48:03,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:48:03" (1/1) ... [2020-12-23 13:48:03,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 13:48:03,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 13:48:03,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 13:48:03,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 13:48:03,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:48:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 13:48:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-23 13:48:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 13:48:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-23 13:48:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 13:48:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-23 13:48:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 13:48:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 13:48:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-12-23 13:48:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-12-23 13:48:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 13:48:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 13:48:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 13:48:03,267 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-23 13:48:03,965 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 13:48:03,965 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2020-12-23 13:48:03,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:48:03 BoogieIcfgContainer [2020-12-23 13:48:03,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 13:48:03,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 13:48:03,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 13:48:03,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 13:48:03,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:48:01" (1/3) ... [2020-12-23 13:48:03,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0994e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:48:03, skipping insertion in model container [2020-12-23 13:48:03,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:48:03" (2/3) ... [2020-12-23 13:48:03,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0994e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:48:03, skipping insertion in model container [2020-12-23 13:48:03,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:48:03" (3/3) ... [2020-12-23 13:48:03,977 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2020-12-23 13:48:03,985 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-23 13:48:03,986 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 13:48:03,992 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-23 13:48:03,993 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-23 13:48:04,030 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,031 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,032 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,032 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,032 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,033 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,034 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,035 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,035 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,035 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,035 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,036 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,039 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,040 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,040 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,040 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,041 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,041 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,041 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,041 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,042 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,042 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,042 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,043 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,043 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,043 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,043 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,044 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,044 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,046 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,047 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,048 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,049 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,052 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,052 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,052 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,053 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,053 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,053 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,053 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,053 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,054 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,054 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,054 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,055 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,055 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,057 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,058 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,058 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,058 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,059 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,059 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,060 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,062 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,063 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,063 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,063 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,063 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,063 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,064 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,064 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,065 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:48:04,077 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-23 13:48:04,101 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 13:48:04,126 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:48:04,127 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:48:04,127 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:48:04,127 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:48:04,127 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:48:04,127 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:48:04,127 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:48:04,128 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:48:04,143 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:48:04,146 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 137 transitions, 296 flow [2020-12-23 13:48:04,149 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 137 transitions, 296 flow [2020-12-23 13:48:04,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 137 transitions, 296 flow [2020-12-23 13:48:04,260 INFO L129 PetriNetUnfolder]: 9/177 cut-off events. [2020-12-23 13:48:04,261 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-12-23 13:48:04,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 177 events. 9/177 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 367 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 91. Up to 4 conditions per place. [2020-12-23 13:48:04,271 INFO L116 LiptonReduction]: Number of co-enabled transitions 2060 [2020-12-23 13:48:04,999 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:05,030 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:05,079 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:05,099 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:05,101 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:05,102 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-12-23 13:48:05,123 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:05,147 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:05,153 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:05,172 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:05,175 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:05,175 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-12-23 13:48:07,235 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:07,272 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:07,278 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:07,315 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:07,317 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:07,318 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-12-23 13:48:07,340 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:07,384 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:07,391 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:07,409 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:07,412 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:07,412 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-12-23 13:48:09,792 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:09,822 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:09,829 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:09,873 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:09,874 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:09,875 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-12-23 13:48:09,898 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:09,951 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:09,958 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:09,977 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:09,980 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:09,980 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-12-23 13:48:12,583 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:12,609 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:12,615 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:12,636 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:12,638 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:12,639 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-12-23 13:48:12,655 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:12,678 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:12,684 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:12,705 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:12,707 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:12,708 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-12-23 13:48:15,207 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:15,242 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:15,250 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:15,277 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:15,281 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:15,282 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:122, output treesize:124 [2020-12-23 13:48:15,299 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:15,337 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:15,344 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:15,376 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:15,378 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:15,379 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:122, output treesize:124 [2020-12-23 13:48:17,407 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:17,439 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:17,449 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:17,478 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:17,480 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:17,485 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-12-23 13:48:17,503 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:17,534 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:17,540 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:17,567 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:17,568 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:17,569 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-12-23 13:48:20,111 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:20,134 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:20,140 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:20,157 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:20,158 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:20,159 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-12-23 13:48:20,178 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:20,198 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:20,202 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:20,221 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:20,222 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:20,223 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-12-23 13:48:22,426 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:22,448 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:22,453 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:22,473 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:22,475 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:22,475 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-12-23 13:48:22,493 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:22,515 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:22,521 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:22,541 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:22,542 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:22,542 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-12-23 13:48:25,208 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:25,248 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:25,256 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:25,291 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:25,293 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:25,294 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-12-23 13:48:25,312 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:25,345 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:25,355 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:25,392 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:25,395 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:25,395 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-12-23 13:48:27,941 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:27,987 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:27,994 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:28,035 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:28,038 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:28,039 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:131, output treesize:133 [2020-12-23 13:48:28,057 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:28,100 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:28,105 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:28,145 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:28,153 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:28,153 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:131, output treesize:133 [2020-12-23 13:48:30,182 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:30,223 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:30,228 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:30,265 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:30,268 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:30,269 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:126 [2020-12-23 13:48:30,287 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:30,328 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:30,334 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:30,368 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:30,370 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:30,371 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:126 [2020-12-23 13:48:32,542 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:32,586 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:32,591 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:32,634 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:32,635 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:32,636 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:134 [2020-12-23 13:48:32,650 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:32,697 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:32,703 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:32,748 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:32,752 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:32,753 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:134, output treesize:136 [2020-12-23 13:48:34,851 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:34,923 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:34,929 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:34,980 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:34,982 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:34,982 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:134, output treesize:136 [2020-12-23 13:48:34,998 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:35,052 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:35,058 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:35,107 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:35,109 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:35,110 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:134 [2020-12-23 13:48:38,211 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-23 13:48:38,319 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-23 13:48:38,493 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-23 13:48:38,654 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-23 13:48:38,709 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:38,742 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:38,747 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:38,774 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:38,776 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:38,776 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:120, output treesize:122 [2020-12-23 13:48:38,789 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:38,817 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:38,822 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:38,851 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:48:38,853 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 13:48:38,854 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-12-23 13:48:41,557 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-12-23 13:48:41,925 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-12-23 13:48:42,027 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-12-23 13:48:42,733 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-12-23 13:48:42,884 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-23 13:48:43,224 WARN L197 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-12-23 13:48:43,424 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-23 13:48:43,687 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2020-12-23 13:48:44,862 WARN L197 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-12-23 13:48:45,742 WARN L197 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-12-23 13:48:46,788 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 152 [2020-12-23 13:48:47,865 WARN L197 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 152 [2020-12-23 13:48:48,274 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-12-23 13:48:48,685 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-12-23 13:48:49,129 WARN L197 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-12-23 13:48:49,581 WARN L197 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-12-23 13:48:49,588 INFO L131 LiptonReduction]: Checked pairs total: 4079 [2020-12-23 13:48:49,588 INFO L133 LiptonReduction]: Total number of compositions: 141 [2020-12-23 13:48:49,597 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 34 transitions, 90 flow [2020-12-23 13:48:49,626 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 207 states. [2020-12-23 13:48:49,628 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-12-23 13:48:49,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-23 13:48:49,635 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:49,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-23 13:48:49,636 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:48:49,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:49,648 INFO L82 PathProgramCache]: Analyzing trace with hash 15015073, now seen corresponding path program 1 times [2020-12-23 13:48:49,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:49,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355268967] [2020-12-23 13:48:49,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:48:50,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355268967] [2020-12-23 13:48:50,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:50,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 13:48:50,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594369784] [2020-12-23 13:48:50,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:48:50,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:50,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:48:50,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:48:50,152 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-12-23 13:48:50,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:50,297 INFO L93 Difference]: Finished difference Result 280 states and 638 transitions. [2020-12-23 13:48:50,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:48:50,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-23 13:48:50,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:50,315 INFO L225 Difference]: With dead ends: 280 [2020-12-23 13:48:50,315 INFO L226 Difference]: Without dead ends: 262 [2020-12-23 13:48:50,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:48:50,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-12-23 13:48:50,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 217. [2020-12-23 13:48:50,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-12-23 13:48:50,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 485 transitions. [2020-12-23 13:48:50,385 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 485 transitions. Word has length 4 [2020-12-23 13:48:50,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:50,385 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 485 transitions. [2020-12-23 13:48:50,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:48:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 485 transitions. [2020-12-23 13:48:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-23 13:48:50,386 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:50,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-23 13:48:50,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 13:48:50,387 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:48:50,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:50,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1544597556, now seen corresponding path program 1 times [2020-12-23 13:48:50,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:50,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735100523] [2020-12-23 13:48:50,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:50,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:48:50,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735100523] [2020-12-23 13:48:50,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:50,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:48:50,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128800266] [2020-12-23 13:48:50,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 13:48:50,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:50,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 13:48:50,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 13:48:50,509 INFO L87 Difference]: Start difference. First operand 217 states and 485 transitions. Second operand 4 states. [2020-12-23 13:48:50,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:50,672 INFO L93 Difference]: Finished difference Result 291 states and 637 transitions. [2020-12-23 13:48:50,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 13:48:50,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-12-23 13:48:50,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:50,676 INFO L225 Difference]: With dead ends: 291 [2020-12-23 13:48:50,676 INFO L226 Difference]: Without dead ends: 251 [2020-12-23 13:48:50,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:48:50,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-12-23 13:48:50,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 236. [2020-12-23 13:48:50,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-12-23 13:48:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 542 transitions. [2020-12-23 13:48:50,700 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 542 transitions. Word has length 6 [2020-12-23 13:48:50,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:50,701 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 542 transitions. [2020-12-23 13:48:50,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 13:48:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 542 transitions. [2020-12-23 13:48:50,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-23 13:48:50,702 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:50,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:50,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 13:48:50,703 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:48:50,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:50,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1061783637, now seen corresponding path program 1 times [2020-12-23 13:48:50,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:50,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160260106] [2020-12-23 13:48:50,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:48:50,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160260106] [2020-12-23 13:48:50,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:50,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:48:50,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478744607] [2020-12-23 13:48:50,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:48:50,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:50,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:48:50,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:48:50,791 INFO L87 Difference]: Start difference. First operand 236 states and 542 transitions. Second operand 3 states. [2020-12-23 13:48:50,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:50,819 INFO L93 Difference]: Finished difference Result 86 states and 167 transitions. [2020-12-23 13:48:50,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:48:50,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-12-23 13:48:50,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:50,821 INFO L225 Difference]: With dead ends: 86 [2020-12-23 13:48:50,822 INFO L226 Difference]: Without dead ends: 86 [2020-12-23 13:48:50,822 INFO L677 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 [2020-12-23 13:48:50,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-12-23 13:48:50,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-12-23 13:48:50,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-12-23 13:48:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 167 transitions. [2020-12-23 13:48:50,836 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 167 transitions. Word has length 9 [2020-12-23 13:48:50,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:50,839 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 167 transitions. [2020-12-23 13:48:50,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:48:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2020-12-23 13:48:50,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:48:50,843 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:50,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:50,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 13:48:50,844 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:48:50,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:50,845 INFO L82 PathProgramCache]: Analyzing trace with hash -2009095163, now seen corresponding path program 1 times [2020-12-23 13:48:50,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:50,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302264249] [2020-12-23 13:48:50,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:51,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:48:51,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302264249] [2020-12-23 13:48:51,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:51,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 13:48:51,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146617334] [2020-12-23 13:48:51,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 13:48:51,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:51,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 13:48:51,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 13:48:51,123 INFO L87 Difference]: Start difference. First operand 86 states and 167 transitions. Second operand 8 states. [2020-12-23 13:48:51,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:51,496 INFO L93 Difference]: Finished difference Result 104 states and 197 transitions. [2020-12-23 13:48:51,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 13:48:51,496 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-12-23 13:48:51,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:51,497 INFO L225 Difference]: With dead ends: 104 [2020-12-23 13:48:51,498 INFO L226 Difference]: Without dead ends: 104 [2020-12-23 13:48:51,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-12-23 13:48:51,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-12-23 13:48:51,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 98. [2020-12-23 13:48:51,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-12-23 13:48:51,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 187 transitions. [2020-12-23 13:48:51,510 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 187 transitions. Word has length 18 [2020-12-23 13:48:51,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:51,513 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 187 transitions. [2020-12-23 13:48:51,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 13:48:51,514 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 187 transitions. [2020-12-23 13:48:51,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:48:51,515 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:51,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:51,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 13:48:51,515 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:48:51,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:51,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1980466973, now seen corresponding path program 1 times [2020-12-23 13:48:51,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:51,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877375111] [2020-12-23 13:48:51,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:48:52,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877375111] [2020-12-23 13:48:52,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:52,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 13:48:52,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589488690] [2020-12-23 13:48:52,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 13:48:52,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:52,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 13:48:52,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-12-23 13:48:52,067 INFO L87 Difference]: Start difference. First operand 98 states and 187 transitions. Second operand 14 states. [2020-12-23 13:48:53,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:53,388 INFO L93 Difference]: Finished difference Result 181 states and 322 transitions. [2020-12-23 13:48:53,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 13:48:53,389 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-12-23 13:48:53,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:53,391 INFO L225 Difference]: With dead ends: 181 [2020-12-23 13:48:53,391 INFO L226 Difference]: Without dead ends: 181 [2020-12-23 13:48:53,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2020-12-23 13:48:53,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-12-23 13:48:53,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 118. [2020-12-23 13:48:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-23 13:48:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 218 transitions. [2020-12-23 13:48:53,398 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 218 transitions. Word has length 18 [2020-12-23 13:48:53,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:53,398 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 218 transitions. [2020-12-23 13:48:53,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 13:48:53,399 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 218 transitions. [2020-12-23 13:48:53,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:48:53,400 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:53,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:53,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 13:48:53,401 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:48:53,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:53,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1980466986, now seen corresponding path program 1 times [2020-12-23 13:48:53,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:53,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354885577] [2020-12-23 13:48:53,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:48:53,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354885577] [2020-12-23 13:48:53,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:53,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 13:48:53,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825519086] [2020-12-23 13:48:53,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 13:48:53,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:53,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 13:48:53,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 13:48:53,619 INFO L87 Difference]: Start difference. First operand 118 states and 218 transitions. Second operand 8 states. [2020-12-23 13:48:54,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:54,030 INFO L93 Difference]: Finished difference Result 144 states and 259 transitions. [2020-12-23 13:48:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 13:48:54,031 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-12-23 13:48:54,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:54,033 INFO L225 Difference]: With dead ends: 144 [2020-12-23 13:48:54,033 INFO L226 Difference]: Without dead ends: 126 [2020-12-23 13:48:54,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-12-23 13:48:54,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-12-23 13:48:54,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 114. [2020-12-23 13:48:54,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-12-23 13:48:54,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 210 transitions. [2020-12-23 13:48:54,039 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 210 transitions. Word has length 18 [2020-12-23 13:48:54,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:54,040 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 210 transitions. [2020-12-23 13:48:54,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 13:48:54,040 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2020-12-23 13:48:54,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:48:54,042 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:54,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:54,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 13:48:54,042 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:48:54,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:54,043 INFO L82 PathProgramCache]: Analyzing trace with hash 2003949429, now seen corresponding path program 2 times [2020-12-23 13:48:54,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:54,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486037006] [2020-12-23 13:48:54,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:54,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:48:54,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486037006] [2020-12-23 13:48:54,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:54,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 13:48:54,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106982044] [2020-12-23 13:48:54,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 13:48:54,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:54,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 13:48:54,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-12-23 13:48:54,286 INFO L87 Difference]: Start difference. First operand 114 states and 210 transitions. Second operand 12 states. [2020-12-23 13:48:55,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:55,296 INFO L93 Difference]: Finished difference Result 232 states and 406 transitions. [2020-12-23 13:48:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 13:48:55,296 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-12-23 13:48:55,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:55,299 INFO L225 Difference]: With dead ends: 232 [2020-12-23 13:48:55,299 INFO L226 Difference]: Without dead ends: 214 [2020-12-23 13:48:55,300 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2020-12-23 13:48:55,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-12-23 13:48:55,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 135. [2020-12-23 13:48:55,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-12-23 13:48:55,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 261 transitions. [2020-12-23 13:48:55,306 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 261 transitions. Word has length 18 [2020-12-23 13:48:55,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:55,307 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 261 transitions. [2020-12-23 13:48:55,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 13:48:55,307 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 261 transitions. [2020-12-23 13:48:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:48:55,309 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:55,309 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:55,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 13:48:55,309 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:48:55,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:55,310 INFO L82 PathProgramCache]: Analyzing trace with hash 2032577619, now seen corresponding path program 2 times [2020-12-23 13:48:55,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:55,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402898804] [2020-12-23 13:48:55,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:55,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:48:55,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402898804] [2020-12-23 13:48:55,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:55,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 13:48:55,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130103105] [2020-12-23 13:48:55,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 13:48:55,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:55,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 13:48:55,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-12-23 13:48:55,866 INFO L87 Difference]: Start difference. First operand 135 states and 261 transitions. Second operand 14 states. [2020-12-23 13:48:57,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:57,234 INFO L93 Difference]: Finished difference Result 247 states and 439 transitions. [2020-12-23 13:48:57,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 13:48:57,235 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-12-23 13:48:57,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:57,236 INFO L225 Difference]: With dead ends: 247 [2020-12-23 13:48:57,236 INFO L226 Difference]: Without dead ends: 247 [2020-12-23 13:48:57,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2020-12-23 13:48:57,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-12-23 13:48:57,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 162. [2020-12-23 13:48:57,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-12-23 13:48:57,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 301 transitions. [2020-12-23 13:48:57,249 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 301 transitions. Word has length 18 [2020-12-23 13:48:57,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:57,250 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 301 transitions. [2020-12-23 13:48:57,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 13:48:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 301 transitions. [2020-12-23 13:48:57,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:48:57,259 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:57,259 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:57,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 13:48:57,259 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:48:57,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:57,260 INFO L82 PathProgramCache]: Analyzing trace with hash 2032577606, now seen corresponding path program 2 times [2020-12-23 13:48:57,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:57,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355014967] [2020-12-23 13:48:57,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:48:57,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355014967] [2020-12-23 13:48:57,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:57,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 13:48:57,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846971824] [2020-12-23 13:48:57,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 13:48:57,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:57,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 13:48:57,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-23 13:48:57,534 INFO L87 Difference]: Start difference. First operand 162 states and 301 transitions. Second operand 8 states. [2020-12-23 13:48:57,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:57,866 INFO L93 Difference]: Finished difference Result 211 states and 373 transitions. [2020-12-23 13:48:57,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 13:48:57,867 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-12-23 13:48:57,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:57,868 INFO L225 Difference]: With dead ends: 211 [2020-12-23 13:48:57,869 INFO L226 Difference]: Without dead ends: 188 [2020-12-23 13:48:57,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-12-23 13:48:57,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-12-23 13:48:57,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 157. [2020-12-23 13:48:57,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-12-23 13:48:57,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 294 transitions. [2020-12-23 13:48:57,877 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 294 transitions. Word has length 18 [2020-12-23 13:48:57,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:57,878 INFO L481 AbstractCegarLoop]: Abstraction has 157 states and 294 transitions. [2020-12-23 13:48:57,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 13:48:57,878 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 294 transitions. [2020-12-23 13:48:57,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:48:57,879 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:57,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:57,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 13:48:57,879 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:48:57,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:57,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1774018969, now seen corresponding path program 3 times [2020-12-23 13:48:57,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:57,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982834700] [2020-12-23 13:48:57,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:48:58,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982834700] [2020-12-23 13:48:58,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:58,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 13:48:58,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406484363] [2020-12-23 13:48:58,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 13:48:58,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:58,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 13:48:58,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-12-23 13:48:58,471 INFO L87 Difference]: Start difference. First operand 157 states and 294 transitions. Second operand 14 states. [2020-12-23 13:48:59,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:59,680 INFO L93 Difference]: Finished difference Result 240 states and 430 transitions. [2020-12-23 13:48:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:48:59,681 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-12-23 13:48:59,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:59,683 INFO L225 Difference]: With dead ends: 240 [2020-12-23 13:48:59,683 INFO L226 Difference]: Without dead ends: 209 [2020-12-23 13:48:59,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2020-12-23 13:48:59,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-12-23 13:48:59,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 146. [2020-12-23 13:48:59,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-12-23 13:48:59,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 278 transitions. [2020-12-23 13:48:59,689 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 278 transitions. Word has length 18 [2020-12-23 13:48:59,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:59,690 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 278 transitions. [2020-12-23 13:48:59,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 13:48:59,690 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 278 transitions. [2020-12-23 13:48:59,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:48:59,690 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:59,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:48:59,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 13:48:59,691 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:48:59,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:59,691 INFO L82 PathProgramCache]: Analyzing trace with hash 416052821, now seen corresponding path program 4 times [2020-12-23 13:48:59,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:59,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628620184] [2020-12-23 13:48:59,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:00,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:49:00,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628620184] [2020-12-23 13:49:00,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:00,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 13:49:00,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813743216] [2020-12-23 13:49:00,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 13:49:00,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:00,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 13:49:00,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-12-23 13:49:00,150 INFO L87 Difference]: Start difference. First operand 146 states and 278 transitions. Second operand 14 states. [2020-12-23 13:49:01,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:01,548 INFO L93 Difference]: Finished difference Result 354 states and 630 transitions. [2020-12-23 13:49:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 13:49:01,550 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-12-23 13:49:01,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:01,553 INFO L225 Difference]: With dead ends: 354 [2020-12-23 13:49:01,553 INFO L226 Difference]: Without dead ends: 336 [2020-12-23 13:49:01,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2020-12-23 13:49:01,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2020-12-23 13:49:01,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 154. [2020-12-23 13:49:01,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-12-23 13:49:01,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 296 transitions. [2020-12-23 13:49:01,561 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 296 transitions. Word has length 18 [2020-12-23 13:49:01,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:01,561 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 296 transitions. [2020-12-23 13:49:01,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 13:49:01,562 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 296 transitions. [2020-12-23 13:49:01,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:49:01,562 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:01,563 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:01,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 13:49:01,563 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:49:01,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:01,564 INFO L82 PathProgramCache]: Analyzing trace with hash 134130117, now seen corresponding path program 5 times [2020-12-23 13:49:01,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:01,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368453108] [2020-12-23 13:49:01,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:02,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:49:02,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368453108] [2020-12-23 13:49:02,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:02,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 13:49:02,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614005877] [2020-12-23 13:49:02,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 13:49:02,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:02,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 13:49:02,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-12-23 13:49:02,061 INFO L87 Difference]: Start difference. First operand 154 states and 296 transitions. Second operand 14 states. [2020-12-23 13:49:03,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:03,572 INFO L93 Difference]: Finished difference Result 330 states and 587 transitions. [2020-12-23 13:49:03,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 13:49:03,573 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-12-23 13:49:03,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:03,575 INFO L225 Difference]: With dead ends: 330 [2020-12-23 13:49:03,575 INFO L226 Difference]: Without dead ends: 307 [2020-12-23 13:49:03,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=120, Invalid=480, Unknown=0, NotChecked=0, Total=600 [2020-12-23 13:49:03,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-12-23 13:49:03,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 158. [2020-12-23 13:49:03,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-12-23 13:49:03,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 300 transitions. [2020-12-23 13:49:03,583 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 300 transitions. Word has length 18 [2020-12-23 13:49:03,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:03,583 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 300 transitions. [2020-12-23 13:49:03,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 13:49:03,583 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 300 transitions. [2020-12-23 13:49:03,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:49:03,584 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:03,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:03,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 13:49:03,584 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:49:03,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:03,585 INFO L82 PathProgramCache]: Analyzing trace with hash -124428533, now seen corresponding path program 6 times [2020-12-23 13:49:03,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:03,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850975203] [2020-12-23 13:49:03,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:04,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:49:04,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850975203] [2020-12-23 13:49:04,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:04,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 13:49:04,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298082413] [2020-12-23 13:49:04,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 13:49:04,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:04,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 13:49:04,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-12-23 13:49:04,026 INFO L87 Difference]: Start difference. First operand 158 states and 300 transitions. Second operand 14 states. [2020-12-23 13:49:05,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:05,423 INFO L93 Difference]: Finished difference Result 312 states and 561 transitions. [2020-12-23 13:49:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 13:49:05,424 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-12-23 13:49:05,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:05,426 INFO L225 Difference]: With dead ends: 312 [2020-12-23 13:49:05,426 INFO L226 Difference]: Without dead ends: 284 [2020-12-23 13:49:05,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2020-12-23 13:49:05,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-12-23 13:49:05,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 150. [2020-12-23 13:49:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-12-23 13:49:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 286 transitions. [2020-12-23 13:49:05,433 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 286 transitions. Word has length 18 [2020-12-23 13:49:05,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:05,433 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 286 transitions. [2020-12-23 13:49:05,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 13:49:05,433 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 286 transitions. [2020-12-23 13:49:05,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:49:05,434 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:05,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:05,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 13:49:05,434 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:49:05,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:05,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1527933187, now seen corresponding path program 7 times [2020-12-23 13:49:05,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:05,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561145372] [2020-12-23 13:49:05,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:05,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:49:05,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561145372] [2020-12-23 13:49:05,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:05,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 13:49:05,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949822160] [2020-12-23 13:49:05,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 13:49:05,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:05,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 13:49:05,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-12-23 13:49:05,822 INFO L87 Difference]: Start difference. First operand 150 states and 286 transitions. Second operand 14 states. [2020-12-23 13:49:07,039 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2020-12-23 13:49:07,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:07,346 INFO L93 Difference]: Finished difference Result 295 states and 536 transitions. [2020-12-23 13:49:07,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 13:49:07,347 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-12-23 13:49:07,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:07,349 INFO L225 Difference]: With dead ends: 295 [2020-12-23 13:49:07,349 INFO L226 Difference]: Without dead ends: 277 [2020-12-23 13:49:07,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2020-12-23 13:49:07,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-12-23 13:49:07,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 151. [2020-12-23 13:49:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-12-23 13:49:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 287 transitions. [2020-12-23 13:49:07,356 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 287 transitions. Word has length 18 [2020-12-23 13:49:07,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:07,363 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 287 transitions. [2020-12-23 13:49:07,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 13:49:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 287 transitions. [2020-12-23 13:49:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:49:07,365 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:07,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:07,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 13:49:07,366 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:49:07,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:07,366 INFO L82 PathProgramCache]: Analyzing trace with hash 85633547, now seen corresponding path program 8 times [2020-12-23 13:49:07,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:07,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541202112] [2020-12-23 13:49:07,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:49:07,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541202112] [2020-12-23 13:49:07,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:07,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 13:49:07,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482900500] [2020-12-23 13:49:07,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 13:49:07,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:07,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 13:49:07,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-12-23 13:49:07,755 INFO L87 Difference]: Start difference. First operand 151 states and 287 transitions. Second operand 14 states. [2020-12-23 13:49:09,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:09,386 INFO L93 Difference]: Finished difference Result 291 states and 525 transitions. [2020-12-23 13:49:09,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 13:49:09,387 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-12-23 13:49:09,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:09,390 INFO L225 Difference]: With dead ends: 291 [2020-12-23 13:49:09,390 INFO L226 Difference]: Without dead ends: 291 [2020-12-23 13:49:09,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2020-12-23 13:49:09,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-12-23 13:49:09,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 166. [2020-12-23 13:49:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-12-23 13:49:09,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 309 transitions. [2020-12-23 13:49:09,398 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 309 transitions. Word has length 18 [2020-12-23 13:49:09,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:09,398 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 309 transitions. [2020-12-23 13:49:09,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 13:49:09,398 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 309 transitions. [2020-12-23 13:49:09,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:49:09,399 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:09,399 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:09,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 13:49:09,399 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:49:09,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:09,400 INFO L82 PathProgramCache]: Analyzing trace with hash 85633534, now seen corresponding path program 3 times [2020-12-23 13:49:09,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:09,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603855265] [2020-12-23 13:49:09,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:49:09,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:49:09,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603855265] [2020-12-23 13:49:09,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:49:09,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 13:49:09,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813764220] [2020-12-23 13:49:09,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 13:49:09,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:49:09,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 13:49:09,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-12-23 13:49:09,691 INFO L87 Difference]: Start difference. First operand 166 states and 309 transitions. Second operand 11 states. [2020-12-23 13:49:10,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:49:10,430 INFO L93 Difference]: Finished difference Result 272 states and 488 transitions. [2020-12-23 13:49:10,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 13:49:10,432 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-12-23 13:49:10,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:49:10,434 INFO L225 Difference]: With dead ends: 272 [2020-12-23 13:49:10,435 INFO L226 Difference]: Without dead ends: 258 [2020-12-23 13:49:10,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2020-12-23 13:49:10,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-12-23 13:49:10,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 164. [2020-12-23 13:49:10,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-12-23 13:49:10,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 314 transitions. [2020-12-23 13:49:10,441 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 314 transitions. Word has length 18 [2020-12-23 13:49:10,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:49:10,442 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 314 transitions. [2020-12-23 13:49:10,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 13:49:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 314 transitions. [2020-12-23 13:49:10,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 13:49:10,442 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:49:10,443 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:49:10,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 13:49:10,443 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:49:10,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:49:10,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1941627027, now seen corresponding path program 9 times [2020-12-23 13:49:10,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:49:10,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510149429] [2020-12-23 13:49:10,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:49:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:49:10,513 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:49:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 13:49:10,560 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 13:49:10,613 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 13:49:10,613 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 13:49:10,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 13:49:10,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:49:10 BasicIcfg [2020-12-23 13:49:10,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 13:49:10,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 13:49:10,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 13:49:10,724 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 13:49:10,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:48:03" (3/4) ... [2020-12-23 13:49:10,726 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 13:49:10,859 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-races/race-2_2-container_of.i-witness.graphml [2020-12-23 13:49:10,859 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 13:49:10,860 INFO L168 Benchmark]: Toolchain (without parser) took 69505.82 ms. Allocated memory was 151.0 MB in the beginning and 255.9 MB in the end (delta: 104.9 MB). Free memory was 122.6 MB in the beginning and 218.3 MB in the end (delta: -95.7 MB). Peak memory consumption was 154.5 MB. Max. memory is 8.0 GB. [2020-12-23 13:49:10,861 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 13:49:10,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1665.08 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 122.4 MB in the beginning and 139.1 MB in the end (delta: -16.7 MB). Peak memory consumption was 80.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:49:10,861 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.94 ms. Allocated memory is still 187.7 MB. Free memory was 139.1 MB in the beginning and 136.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:49:10,862 INFO L168 Benchmark]: Boogie Preprocessor took 50.27 ms. Allocated memory is still 187.7 MB. Free memory was 136.0 MB in the beginning and 133.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:49:10,862 INFO L168 Benchmark]: RCFGBuilder took 813.79 ms. Allocated memory is still 187.7 MB. Free memory was 133.3 MB in the beginning and 86.7 MB in the end (delta: 46.7 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:49:10,863 INFO L168 Benchmark]: TraceAbstraction took 66750.04 ms. Allocated memory was 187.7 MB in the beginning and 255.9 MB in the end (delta: 68.2 MB). Free memory was 86.7 MB in the beginning and 76.3 MB in the end (delta: 10.4 MB). Peak memory consumption was 77.5 MB. Max. memory is 8.0 GB. [2020-12-23 13:49:10,864 INFO L168 Benchmark]: Witness Printer took 135.94 ms. Allocated memory is still 255.9 MB. Free memory was 76.3 MB in the beginning and 218.3 MB in the end (delta: -142.0 MB). Peak memory consumption was 3.3 MB. Max. memory is 8.0 GB. [2020-12-23 13:49:10,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1665.08 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 122.4 MB in the beginning and 139.1 MB in the end (delta: -16.7 MB). Peak memory consumption was 80.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 76.94 ms. Allocated memory is still 187.7 MB. Free memory was 139.1 MB in the beginning and 136.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 50.27 ms. Allocated memory is still 187.7 MB. Free memory was 136.0 MB in the beginning and 133.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 813.79 ms. Allocated memory is still 187.7 MB. Free memory was 133.3 MB in the beginning and 86.7 MB in the end (delta: 46.7 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 66750.04 ms. Allocated memory was 187.7 MB in the beginning and 255.9 MB in the end (delta: 68.2 MB). Free memory was 86.7 MB in the beginning and 76.3 MB in the end (delta: 10.4 MB). Peak memory consumption was 77.5 MB. Max. memory is 8.0 GB. * Witness Printer took 135.94 ms. Allocated memory is still 255.9 MB. Free memory was 76.3 MB in the beginning and 218.3 MB in the end (delta: -142.0 MB). Peak memory consumption was 3.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1366 VarBasedMoverChecksPositive, 42 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 28 SemBasedMoverChecksNegative, 14 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 31.2s, 43 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 45.4s, 135 PlacesBefore, 35 PlacesAfterwards, 137 TransitionsBefore, 34 TransitionsAfterwards, 2060 CoEnabledTransitionPairs, 7 FixpointIterations, 71 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 18 ConcurrentYvCompositions, 3 ChoiceCompositions, 141 TotalNumberOfCompositions, 4079 MoverChecksTotal - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; [L1725] 0 return 0; [L1731] 0 int ret = my_drv_init(); [L1732] COND TRUE 0 ret==0 [L1733] 0 int probe_ret; [L1734] 0 struct my_data data; [L1704] 0 struct device *d = &data->dev; [L1706] 0 data->shared.a = 0 [L1707] 0 data->shared.b = 0 [L1708] 0 int res = __VERIFIER_nondet_int(); [L1709] COND FALSE 0 !(\read(res)) [L1711] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={7:24}, t1={6:0}, t2={9:0}] [L1689] 1 struct device *dev = (struct device*)arg; [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 1 data->shared.a = 1 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={6:0}, t2={9:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1712] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, lb=0, t1={6:0}, t2={9:0}] [L1713] 0 return 0; [L1735] 0 probe_ret = my_drv_probe(&data) [L1736] COND TRUE 0 probe_ret==0 [L1719] 0 void *status; [L1720] 0 \read(t1) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, lb=0, t1={6:0}, t2={9:0}] [L1689] 2 struct device *dev = (struct device*)arg; [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 2 data->shared.a = 1 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, lb=0, t1={6:0}, t2={9:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1699] 1 data->shared.b = lb + 1 [L1701] 1 return 0; [L1699] 2 data->shared.b = lb + 1 [L1701] 2 return 0; [L1720] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, lb=0, t1={6:0}, t2={9:0}] [L1721] 0 \read(t2) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, lb=0, t1={6:0}, t2={9:0}] [L1721] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, lb=0, t1={6:0}, t2={9:0}] [L1738] 0 data.shared.a [L1675] COND FALSE 0 !(!expression) [L1739] 0 data.shared.b [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, lb=0, t1={6:0}, t2={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 118 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 66.4s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 45.4s, HoareTripleCheckerStatistics: 316 SDtfs, 1035 SDslu, 1410 SDs, 0 SdLazy, 4119 SolverSat, 611 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 18 SyntacticMatches, 8 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 1209 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 237 ConstructedInterpolants, 0 QuantifiedInterpolants, 75510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...