/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/pthread/stack_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 13:04:53,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 13:04:53,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 13:04:53,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 13:04:53,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 13:04:53,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 13:04:53,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 13:04:53,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 13:04:53,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 13:04:53,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 13:04:53,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 13:04:53,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 13:04:53,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 13:04:53,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 13:04:53,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 13:04:53,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 13:04:53,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 13:04:53,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 13:04:53,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 13:04:53,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 13:04:53,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 13:04:53,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 13:04:53,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 13:04:53,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 13:04:53,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 13:04:53,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 13:04:53,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 13:04:53,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 13:04:53,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 13:04:53,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 13:04:53,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 13:04:53,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 13:04:53,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 13:04:53,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 13:04:53,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 13:04:53,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 13:04:53,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 13:04:53,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 13:04:53,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 13:04:53,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 13:04:53,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 13:04:53,466 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 13:04:53,511 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 13:04:53,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 13:04:53,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 13:04:53,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 13:04:53,518 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 13:04:53,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 13:04:53,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 13:04:53,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 13:04:53,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 13:04:53,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 13:04:53,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 13:04:53,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 13:04:53,521 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 13:04:53,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 13:04:53,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 13:04:53,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 13:04:53,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 13:04:53,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 13:04:53,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 13:04:53,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 13:04:53,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 13:04:53,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 13:04:53,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 13:04:53,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 13:04:53,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 13:04:53,523 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 13:04:53,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 13:04:53,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 13:04:53,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 13:04:53,985 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 13:04:53,987 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 13:04:53,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stack_longer-2.i [2020-12-23 13:04:54,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8cedcdbf4/1edc34fed5834750b46d361e756e237d/FLAG5091fe4a3 [2020-12-23 13:04:54,903 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 13:04:54,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread/stack_longer-2.i [2020-12-23 13:04:54,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8cedcdbf4/1edc34fed5834750b46d361e756e237d/FLAG5091fe4a3 [2020-12-23 13:04:55,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8cedcdbf4/1edc34fed5834750b46d361e756e237d [2020-12-23 13:04:55,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 13:04:55,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 13:04:55,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 13:04:55,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 13:04:55,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 13:04:55,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:04:55" (1/1) ... [2020-12-23 13:04:55,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@379ac078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:04:55, skipping insertion in model container [2020-12-23 13:04:55,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:04:55" (1/1) ... [2020-12-23 13:04:55,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 13:04:55,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 13:04:55,719 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/pthread/stack_longer-2.i[41529,41542] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~stack,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~stack,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[#t~ret38,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] [2020-12-23 13:04:55,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:04:55,798 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 13:04:55,873 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/pthread/stack_longer-2.i[41529,41542] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~stack,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~stack,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[#t~ret38,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~i~1,] [2020-12-23 13:04:55,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:04:56,108 INFO L208 MainTranslator]: Completed translation [2020-12-23 13:04:56,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:04:56 WrapperNode [2020-12-23 13:04:56,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 13:04:56,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 13:04:56,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 13:04:56,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 13:04:56,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:04:56" (1/1) ... [2020-12-23 13:04:56,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:04:56" (1/1) ... [2020-12-23 13:04:56,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 13:04:56,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 13:04:56,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 13:04:56,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 13:04:56,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:04:56" (1/1) ... [2020-12-23 13:04:56,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:04:56" (1/1) ... [2020-12-23 13:04:56,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:04:56" (1/1) ... [2020-12-23 13:04:56,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:04:56" (1/1) ... [2020-12-23 13:04:56,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:04:56" (1/1) ... [2020-12-23 13:04:56,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:04:56" (1/1) ... [2020-12-23 13:04:56,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:04:56" (1/1) ... [2020-12-23 13:04:56,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 13:04:56,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 13:04:56,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 13:04:56,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 13:04:56,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:04:56" (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 13:04:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-12-23 13:04:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-12-23 13:04:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-12-23 13:04:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-12-23 13:04:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 13:04:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 13:04:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 13:04:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 13:04:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-23 13:04:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 13:04:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 13:04:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 13:04:56,340 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 13:04:56,940 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 13:04:56,940 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-23 13:04:56,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:04:56 BoogieIcfgContainer [2020-12-23 13:04:56,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 13:04:56,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 13:04:56,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 13:04:56,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 13:04:56,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:04:55" (1/3) ... [2020-12-23 13:04:56,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629a0e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:04:56, skipping insertion in model container [2020-12-23 13:04:56,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:04:56" (2/3) ... [2020-12-23 13:04:56,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629a0e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:04:56, skipping insertion in model container [2020-12-23 13:04:56,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:04:56" (3/3) ... [2020-12-23 13:04:56,953 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2020-12-23 13:04:56,961 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-23 13:04:56,961 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 13:04:56,968 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 13:04:56,970 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-23 13:04:57,015 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,015 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,016 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,016 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,017 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,017 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,017 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,017 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,018 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,018 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,018 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,018 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,019 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,019 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,019 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,020 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,020 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,020 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,020 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,021 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,021 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,021 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,021 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,022 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,022 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,022 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,023 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,023 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,023 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,023 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,024 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,024 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,024 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,024 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,025 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,025 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,025 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,025 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,026 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,026 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,026 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,026 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,027 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,027 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,027 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,027 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,028 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,028 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,028 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,028 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,029 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,029 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,029 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,029 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,030 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,030 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,030 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,031 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,031 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,031 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,031 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,032 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,032 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,032 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,032 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,032 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,033 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,033 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,033 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,034 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,034 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,034 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,035 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,035 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,035 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,035 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,035 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,036 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,036 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,036 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,036 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,037 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,037 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,040 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,040 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,041 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,041 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,041 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,041 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,042 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,042 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,042 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,042 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,042 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,043 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,045 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,045 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,045 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,046 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,046 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,046 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,046 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,047 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,047 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,047 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,047 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,048 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,048 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,050 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,050 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,051 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,051 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,051 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,051 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,052 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,052 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,052 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,053 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,054 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,054 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,055 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,055 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,055 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,055 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,056 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,056 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,056 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,056 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,056 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,057 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,057 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,057 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,059 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,060 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,060 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,060 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,063 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,064 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,064 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,064 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,064 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,065 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,065 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,065 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,065 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,065 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,066 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,066 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,067 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,067 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,067 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,067 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,068 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,068 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,069 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,069 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,069 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,069 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,071 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,071 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,071 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,071 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,072 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,072 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,072 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,072 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,073 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,073 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,073 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,073 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,074 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,074 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,074 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,074 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,074 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,074 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,075 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,075 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,075 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,075 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,075 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,076 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,076 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,076 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,076 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,076 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,077 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,077 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,077 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,077 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,077 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,077 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,078 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,079 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,079 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,079 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,080 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,080 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,080 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,080 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,081 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,081 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,081 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,081 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,082 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,082 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,082 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,082 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,083 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,083 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,083 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,083 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,084 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,084 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,084 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,084 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,084 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,085 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,085 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,085 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,086 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,086 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,086 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,086 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,087 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,087 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,087 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,087 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,101 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,102 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,102 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,102 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,102 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,102 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,103 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,103 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,109 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,109 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,109 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,109 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,110 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,110 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,111 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,111 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,112 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,112 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,112 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,112 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,112 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,123 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,123 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,124 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,124 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,124 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,124 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,145 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,146 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,147 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,147 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,147 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:04:57,155 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-23 13:04:57,177 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 13:04:57,204 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:04:57,204 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:04:57,204 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:04:57,204 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:04:57,204 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:04:57,205 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:04:57,205 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:04:57,205 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:04:57,223 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:04:57,226 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 144 transitions, 310 flow [2020-12-23 13:04:57,229 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 144 transitions, 310 flow [2020-12-23 13:04:57,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 144 transitions, 310 flow [2020-12-23 13:04:57,313 INFO L129 PetriNetUnfolder]: 11/144 cut-off events. [2020-12-23 13:04:57,314 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-12-23 13:04:57,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 144 events. 11/144 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 359 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 108. Up to 3 conditions per place. [2020-12-23 13:04:57,339 INFO L116 LiptonReduction]: Number of co-enabled transitions 5962 [2020-12-23 13:05:00,606 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-23 13:05:00,819 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-23 13:05:02,071 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2020-12-23 13:05:02,219 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-23 13:05:02,558 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2020-12-23 13:05:02,686 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-23 13:05:03,504 WARN L197 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-12-23 13:05:03,756 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-12-23 13:05:04,251 WARN L197 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-12-23 13:05:04,488 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-12-23 13:05:05,814 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 138 DAG size of output: 134 [2020-12-23 13:05:06,274 WARN L197 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-12-23 13:05:07,278 WARN L197 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 138 DAG size of output: 134 [2020-12-23 13:05:07,711 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-12-23 13:05:07,765 INFO L131 LiptonReduction]: Checked pairs total: 11460 [2020-12-23 13:05:07,765 INFO L133 LiptonReduction]: Total number of compositions: 129 [2020-12-23 13:05:07,774 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-12-23 13:05:07,828 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 331 states. [2020-12-23 13:05:07,830 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-12-23 13:05:07,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-23 13:05:07,837 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:07,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-23 13:05:07,839 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:07,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:07,846 INFO L82 PathProgramCache]: Analyzing trace with hash 295998977, now seen corresponding path program 1 times [2020-12-23 13:05:07,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:07,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274630044] [2020-12-23 13:05:07,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:08,165 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 13:05:08,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274630044] [2020-12-23 13:05:08,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:05:08,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 13:05:08,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500592406] [2020-12-23 13:05:08,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:05:08,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:08,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:05:08,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:05:08,199 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 3 states. [2020-12-23 13:05:08,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:08,282 INFO L93 Difference]: Finished difference Result 504 states and 1247 transitions. [2020-12-23 13:05:08,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:05:08,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-12-23 13:05:08,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:08,308 INFO L225 Difference]: With dead ends: 504 [2020-12-23 13:05:08,308 INFO L226 Difference]: Without dead ends: 460 [2020-12-23 13:05:08,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:05:08,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-12-23 13:05:08,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 420. [2020-12-23 13:05:08,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-12-23 13:05:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 1095 transitions. [2020-12-23 13:05:08,423 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 1095 transitions. Word has length 6 [2020-12-23 13:05:08,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:08,424 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 1095 transitions. [2020-12-23 13:05:08,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:05:08,424 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1095 transitions. [2020-12-23 13:05:08,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-23 13:05:08,429 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:08,430 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:08,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 13:05:08,431 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:08,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:08,437 INFO L82 PathProgramCache]: Analyzing trace with hash -638453305, now seen corresponding path program 1 times [2020-12-23 13:05:08,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:08,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300324529] [2020-12-23 13:05:08,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:08,588 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 13:05:08,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300324529] [2020-12-23 13:05:08,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:05:08,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 13:05:08,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280012518] [2020-12-23 13:05:08,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:05:08,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:08,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:05:08,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:05:08,595 INFO L87 Difference]: Start difference. First operand 420 states and 1095 transitions. Second operand 3 states. [2020-12-23 13:05:08,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:08,620 INFO L93 Difference]: Finished difference Result 464 states and 1205 transitions. [2020-12-23 13:05:08,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:05:08,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-12-23 13:05:08,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:08,626 INFO L225 Difference]: With dead ends: 464 [2020-12-23 13:05:08,626 INFO L226 Difference]: Without dead ends: 464 [2020-12-23 13:05:08,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:05:08,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-12-23 13:05:08,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2020-12-23 13:05:08,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-12-23 13:05:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1205 transitions. [2020-12-23 13:05:08,663 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1205 transitions. Word has length 10 [2020-12-23 13:05:08,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:08,664 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 1205 transitions. [2020-12-23 13:05:08,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:05:08,664 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1205 transitions. [2020-12-23 13:05:08,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 13:05:08,666 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:08,666 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:08,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 13:05:08,667 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:08,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:08,668 INFO L82 PathProgramCache]: Analyzing trace with hash -2046159186, now seen corresponding path program 1 times [2020-12-23 13:05:08,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:08,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346517178] [2020-12-23 13:05:08,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:08,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346517178] [2020-12-23 13:05:08,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781026768] [2020-12-23 13:05:08,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:08,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 13:05:08,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:05:09,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:09,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:05:09,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-12-23 13:05:09,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827871435] [2020-12-23 13:05:09,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:05:09,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:09,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:05:09,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:05:09,065 INFO L87 Difference]: Start difference. First operand 464 states and 1205 transitions. Second operand 7 states. [2020-12-23 13:05:09,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:09,200 INFO L93 Difference]: Finished difference Result 866 states and 2152 transitions. [2020-12-23 13:05:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 13:05:09,201 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-12-23 13:05:09,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:09,209 INFO L225 Difference]: With dead ends: 866 [2020-12-23 13:05:09,210 INFO L226 Difference]: Without dead ends: 851 [2020-12-23 13:05:09,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:05:09,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2020-12-23 13:05:09,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 575. [2020-12-23 13:05:09,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-12-23 13:05:09,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 1484 transitions. [2020-12-23 13:05:09,245 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 1484 transitions. Word has length 13 [2020-12-23 13:05:09,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:09,245 INFO L481 AbstractCegarLoop]: Abstraction has 575 states and 1484 transitions. [2020-12-23 13:05:09,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:05:09,245 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1484 transitions. [2020-12-23 13:05:09,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 13:05:09,249 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:09,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:09,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-23 13:05:09,465 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:09,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:09,466 INFO L82 PathProgramCache]: Analyzing trace with hash 980200272, now seen corresponding path program 1 times [2020-12-23 13:05:09,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:09,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736169050] [2020-12-23 13:05:09,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:09,545 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 13:05:09,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736169050] [2020-12-23 13:05:09,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:05:09,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:05:09,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058195819] [2020-12-23 13:05:09,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:05:09,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:09,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:05:09,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:05:09,552 INFO L87 Difference]: Start difference. First operand 575 states and 1484 transitions. Second operand 3 states. [2020-12-23 13:05:09,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:09,581 INFO L93 Difference]: Finished difference Result 304 states and 670 transitions. [2020-12-23 13:05:09,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:05:09,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-12-23 13:05:09,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:09,585 INFO L225 Difference]: With dead ends: 304 [2020-12-23 13:05:09,585 INFO L226 Difference]: Without dead ends: 304 [2020-12-23 13:05:09,585 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 13:05:09,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-12-23 13:05:09,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 294. [2020-12-23 13:05:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-12-23 13:05:09,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 643 transitions. [2020-12-23 13:05:09,597 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 643 transitions. Word has length 16 [2020-12-23 13:05:09,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:09,598 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 643 transitions. [2020-12-23 13:05:09,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:05:09,598 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 643 transitions. [2020-12-23 13:05:09,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 13:05:09,606 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:09,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:09,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 13:05:09,607 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:09,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:09,607 INFO L82 PathProgramCache]: Analyzing trace with hash -977738613, now seen corresponding path program 1 times [2020-12-23 13:05:09,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:09,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341738294] [2020-12-23 13:05:09,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:09,697 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 13:05:09,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341738294] [2020-12-23 13:05:09,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:05:09,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:05:09,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297731098] [2020-12-23 13:05:09,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:05:09,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:09,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:05:09,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:05:09,702 INFO L87 Difference]: Start difference. First operand 294 states and 643 transitions. Second operand 3 states. [2020-12-23 13:05:09,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:09,766 INFO L93 Difference]: Finished difference Result 372 states and 811 transitions. [2020-12-23 13:05:09,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:05:09,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-23 13:05:09,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:09,776 INFO L225 Difference]: With dead ends: 372 [2020-12-23 13:05:09,779 INFO L226 Difference]: Without dead ends: 372 [2020-12-23 13:05:09,780 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 13:05:09,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-12-23 13:05:09,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 295. [2020-12-23 13:05:09,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-12-23 13:05:09,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 647 transitions. [2020-12-23 13:05:09,816 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 647 transitions. Word has length 17 [2020-12-23 13:05:09,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:09,817 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 647 transitions. [2020-12-23 13:05:09,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:05:09,820 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 647 transitions. [2020-12-23 13:05:09,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 13:05:09,821 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:09,822 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-12-23 13:05:09,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 13:05:09,822 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:09,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:09,823 INFO L82 PathProgramCache]: Analyzing trace with hash 262138209, now seen corresponding path program 2 times [2020-12-23 13:05:09,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:09,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594785161] [2020-12-23 13:05:09,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:09,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594785161] [2020-12-23 13:05:09,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754079556] [2020-12-23 13:05:09,915 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:10,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 13:05:10,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:05:10,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 13:05:10,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:05:10,132 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:10,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:05:10,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-12-23 13:05:10,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608232723] [2020-12-23 13:05:10,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:05:10,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:10,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:05:10,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:05:10,136 INFO L87 Difference]: Start difference. First operand 295 states and 647 transitions. Second operand 9 states. [2020-12-23 13:05:10,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:10,257 INFO L93 Difference]: Finished difference Result 542 states and 1156 transitions. [2020-12-23 13:05:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 13:05:10,258 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2020-12-23 13:05:10,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:10,262 INFO L225 Difference]: With dead ends: 542 [2020-12-23 13:05:10,262 INFO L226 Difference]: Without dead ends: 542 [2020-12-23 13:05:10,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-12-23 13:05:10,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2020-12-23 13:05:10,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 372. [2020-12-23 13:05:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-12-23 13:05:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 816 transitions. [2020-12-23 13:05:10,277 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 816 transitions. Word has length 20 [2020-12-23 13:05:10,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:10,277 INFO L481 AbstractCegarLoop]: Abstraction has 372 states and 816 transitions. [2020-12-23 13:05:10,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:05:10,277 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 816 transitions. [2020-12-23 13:05:10,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-23 13:05:10,278 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:10,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:10,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:10,493 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:10,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:10,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1767294014, now seen corresponding path program 1 times [2020-12-23 13:05:10,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:10,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182846126] [2020-12-23 13:05:10,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:11,044 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 13:05:11,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182846126] [2020-12-23 13:05:11,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:05:11,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-23 13:05:11,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595349353] [2020-12-23 13:05:11,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 13:05:11,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:11,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 13:05:11,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-12-23 13:05:11,047 INFO L87 Difference]: Start difference. First operand 372 states and 816 transitions. Second operand 15 states. [2020-12-23 13:05:12,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:12,218 INFO L93 Difference]: Finished difference Result 643 states and 1378 transitions. [2020-12-23 13:05:12,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 13:05:12,219 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 21 [2020-12-23 13:05:12,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:12,224 INFO L225 Difference]: With dead ends: 643 [2020-12-23 13:05:12,224 INFO L226 Difference]: Without dead ends: 643 [2020-12-23 13:05:12,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2020-12-23 13:05:12,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2020-12-23 13:05:12,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 453. [2020-12-23 13:05:12,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2020-12-23 13:05:12,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 988 transitions. [2020-12-23 13:05:12,243 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 988 transitions. Word has length 21 [2020-12-23 13:05:12,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:12,244 INFO L481 AbstractCegarLoop]: Abstraction has 453 states and 988 transitions. [2020-12-23 13:05:12,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 13:05:12,244 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 988 transitions. [2020-12-23 13:05:12,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-23 13:05:12,246 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:12,246 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:12,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 13:05:12,247 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:12,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:12,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1744571894, now seen corresponding path program 1 times [2020-12-23 13:05:12,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:12,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988945672] [2020-12-23 13:05:12,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:12,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988945672] [2020-12-23 13:05:12,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791185473] [2020-12-23 13:05:12,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:12,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 13:05:12,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:05:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:05:12,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 13:05:12,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2020-12-23 13:05:12,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62112007] [2020-12-23 13:05:12,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 13:05:12,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:12,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 13:05:12,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-23 13:05:12,558 INFO L87 Difference]: Start difference. First operand 453 states and 988 transitions. Second operand 6 states. [2020-12-23 13:05:12,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:12,656 INFO L93 Difference]: Finished difference Result 617 states and 1319 transitions. [2020-12-23 13:05:12,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 13:05:12,657 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-12-23 13:05:12,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:12,661 INFO L225 Difference]: With dead ends: 617 [2020-12-23 13:05:12,661 INFO L226 Difference]: Without dead ends: 560 [2020-12-23 13:05:12,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-12-23 13:05:12,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-23 13:05:12,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 476. [2020-12-23 13:05:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-12-23 13:05:12,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 1042 transitions. [2020-12-23 13:05:12,680 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 1042 transitions. Word has length 24 [2020-12-23 13:05:12,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:12,680 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 1042 transitions. [2020-12-23 13:05:12,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 13:05:12,681 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1042 transitions. [2020-12-23 13:05:12,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 13:05:12,682 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:12,682 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2020-12-23 13:05:12,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:12,897 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:12,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:12,898 INFO L82 PathProgramCache]: Analyzing trace with hash -575916210, now seen corresponding path program 3 times [2020-12-23 13:05:12,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:12,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690689164] [2020-12-23 13:05:12,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:12,992 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:12,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690689164] [2020-12-23 13:05:12,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623504556] [2020-12-23 13:05:12,993 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:13,140 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-12-23 13:05:13,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:05:13,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 13:05:13,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:05:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:13,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:05:13,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2020-12-23 13:05:13,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006242498] [2020-12-23 13:05:13,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 13:05:13,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:13,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 13:05:13,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-12-23 13:05:13,215 INFO L87 Difference]: Start difference. First operand 476 states and 1042 transitions. Second operand 11 states. [2020-12-23 13:05:13,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:13,358 INFO L93 Difference]: Finished difference Result 789 states and 1669 transitions. [2020-12-23 13:05:13,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 13:05:13,358 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2020-12-23 13:05:13,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:13,364 INFO L225 Difference]: With dead ends: 789 [2020-12-23 13:05:13,365 INFO L226 Difference]: Without dead ends: 789 [2020-12-23 13:05:13,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-12-23 13:05:13,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-12-23 13:05:13,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 553. [2020-12-23 13:05:13,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-12-23 13:05:13,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 1211 transitions. [2020-12-23 13:05:13,387 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 1211 transitions. Word has length 27 [2020-12-23 13:05:13,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:13,387 INFO L481 AbstractCegarLoop]: Abstraction has 553 states and 1211 transitions. [2020-12-23 13:05:13,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 13:05:13,388 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1211 transitions. [2020-12-23 13:05:13,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-23 13:05:13,390 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:13,390 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:13,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:13,604 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:13,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:13,605 INFO L82 PathProgramCache]: Analyzing trace with hash 648857091, now seen corresponding path program 2 times [2020-12-23 13:05:13,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:13,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712897399] [2020-12-23 13:05:13,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:14,133 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 13:05:14,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712897399] [2020-12-23 13:05:14,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:05:14,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-23 13:05:14,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931678762] [2020-12-23 13:05:14,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 13:05:14,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:14,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 13:05:14,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-12-23 13:05:14,137 INFO L87 Difference]: Start difference. First operand 553 states and 1211 transitions. Second operand 15 states. [2020-12-23 13:05:16,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:16,149 INFO L93 Difference]: Finished difference Result 888 states and 1900 transitions. [2020-12-23 13:05:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-23 13:05:16,150 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2020-12-23 13:05:16,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:16,156 INFO L225 Difference]: With dead ends: 888 [2020-12-23 13:05:16,157 INFO L226 Difference]: Without dead ends: 848 [2020-12-23 13:05:16,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=281, Invalid=1201, Unknown=0, NotChecked=0, Total=1482 [2020-12-23 13:05:16,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2020-12-23 13:05:16,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 543. [2020-12-23 13:05:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2020-12-23 13:05:16,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 1192 transitions. [2020-12-23 13:05:16,179 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 1192 transitions. Word has length 28 [2020-12-23 13:05:16,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:16,179 INFO L481 AbstractCegarLoop]: Abstraction has 543 states and 1192 transitions. [2020-12-23 13:05:16,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 13:05:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1192 transitions. [2020-12-23 13:05:16,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 13:05:16,181 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:16,181 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:16,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 13:05:16,181 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:16,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:16,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1543916503, now seen corresponding path program 2 times [2020-12-23 13:05:16,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:16,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843083666] [2020-12-23 13:05:16,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:05:16,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843083666] [2020-12-23 13:05:16,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958678086] [2020-12-23 13:05:16,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:16,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 13:05:16,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:05:16,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 13:05:16,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:05:16,462 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:05:16,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:05:16,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-12-23 13:05:16,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110527577] [2020-12-23 13:05:16,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 13:05:16,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:16,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 13:05:16,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-12-23 13:05:16,464 INFO L87 Difference]: Start difference. First operand 543 states and 1192 transitions. Second operand 10 states. [2020-12-23 13:05:16,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:16,616 INFO L93 Difference]: Finished difference Result 859 states and 1820 transitions. [2020-12-23 13:05:16,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 13:05:16,617 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2020-12-23 13:05:16,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:16,622 INFO L225 Difference]: With dead ends: 859 [2020-12-23 13:05:16,623 INFO L226 Difference]: Without dead ends: 859 [2020-12-23 13:05:16,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-12-23 13:05:16,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-12-23 13:05:16,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 587. [2020-12-23 13:05:16,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-12-23 13:05:16,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 1316 transitions. [2020-12-23 13:05:16,643 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 1316 transitions. Word has length 31 [2020-12-23 13:05:16,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:16,643 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 1316 transitions. [2020-12-23 13:05:16,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 13:05:16,643 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1316 transitions. [2020-12-23 13:05:16,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 13:05:16,645 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:16,645 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2020-12-23 13:05:16,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 13:05:16,860 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:16,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:16,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1343608001, now seen corresponding path program 4 times [2020-12-23 13:05:16,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:16,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449316802] [2020-12-23 13:05:16,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:16,976 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:16,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449316802] [2020-12-23 13:05:16,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447320157] [2020-12-23 13:05:16,977 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:17,090 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 13:05:17,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:05:17,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 13:05:17,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:05:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:17,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:05:17,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2020-12-23 13:05:17,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772349707] [2020-12-23 13:05:17,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 13:05:17,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:17,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 13:05:17,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-12-23 13:05:17,176 INFO L87 Difference]: Start difference. First operand 587 states and 1316 transitions. Second operand 13 states. [2020-12-23 13:05:17,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:17,374 INFO L93 Difference]: Finished difference Result 931 states and 2006 transitions. [2020-12-23 13:05:17,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 13:05:17,375 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 34 [2020-12-23 13:05:17,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:17,380 INFO L225 Difference]: With dead ends: 931 [2020-12-23 13:05:17,381 INFO L226 Difference]: Without dead ends: 931 [2020-12-23 13:05:17,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2020-12-23 13:05:17,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2020-12-23 13:05:17,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 664. [2020-12-23 13:05:17,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2020-12-23 13:05:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 1485 transitions. [2020-12-23 13:05:17,402 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 1485 transitions. Word has length 34 [2020-12-23 13:05:17,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:17,402 INFO L481 AbstractCegarLoop]: Abstraction has 664 states and 1485 transitions. [2020-12-23 13:05:17,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 13:05:17,402 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1485 transitions. [2020-12-23 13:05:17,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-23 13:05:17,404 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:17,404 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:17,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:17,619 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:17,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:17,621 INFO L82 PathProgramCache]: Analyzing trace with hash 406022161, now seen corresponding path program 1 times [2020-12-23 13:05:17,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:17,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684165303] [2020-12-23 13:05:17,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:18,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684165303] [2020-12-23 13:05:18,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784935036] [2020-12-23 13:05:18,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:18,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 74 conjunts are in the unsatisfiable core [2020-12-23 13:05:18,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:05:19,213 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2020-12-23 13:05:19,214 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:05:19,231 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:05:19,238 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:05:19,238 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:46, output treesize:57 [2020-12-23 13:05:19,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:05:19,859 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 38 [2020-12-23 13:05:19,865 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:05:19,888 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:05:19,891 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:05:19,891 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:63, output treesize:42 [2020-12-23 13:05:20,729 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:05:20,743 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2020-12-23 13:05:20,755 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: variable got div captured [2020-12-23 13:05:20,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 13:05:20,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-12-23 13:05:20,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806917234] [2020-12-23 13:05:20,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-12-23 13:05:20,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:20,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-12-23 13:05:20,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1370, Unknown=0, NotChecked=0, Total=1482 [2020-12-23 13:05:20,758 INFO L87 Difference]: Start difference. First operand 664 states and 1485 transitions. Second operand 21 states. [2020-12-23 13:05:21,387 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2020-12-23 13:05:21,689 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-12-23 13:05:21,888 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2020-12-23 13:05:22,104 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-23 13:05:22,321 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 50 [2020-12-23 13:05:22,515 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-23 13:05:22,721 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2020-12-23 13:05:23,479 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-23 13:05:23,840 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-23 13:05:24,120 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-12-23 13:05:25,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:25,620 INFO L93 Difference]: Finished difference Result 1314 states and 2809 transitions. [2020-12-23 13:05:25,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-12-23 13:05:25,621 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 36 [2020-12-23 13:05:25,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:25,629 INFO L225 Difference]: With dead ends: 1314 [2020-12-23 13:05:25,629 INFO L226 Difference]: Without dead ends: 1314 [2020-12-23 13:05:25,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1652 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=559, Invalid=5141, Unknown=0, NotChecked=0, Total=5700 [2020-12-23 13:05:25,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-12-23 13:05:25,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 775. [2020-12-23 13:05:25,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2020-12-23 13:05:25,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1742 transitions. [2020-12-23 13:05:25,657 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1742 transitions. Word has length 36 [2020-12-23 13:05:25,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:25,657 INFO L481 AbstractCegarLoop]: Abstraction has 775 states and 1742 transitions. [2020-12-23 13:05:25,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-12-23 13:05:25,658 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1742 transitions. [2020-12-23 13:05:25,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-23 13:05:25,660 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:25,660 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:25,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:25,874 INFO L429 AbstractCegarLoop]: === Iteration 14 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:25,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:25,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1655316778, now seen corresponding path program 3 times [2020-12-23 13:05:25,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:25,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686884451] [2020-12-23 13:05:25,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:26,000 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 13:05:26,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686884451] [2020-12-23 13:05:26,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798195971] [2020-12-23 13:05:26,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:26,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-23 13:05:26,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:05:26,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-23 13:05:26,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:05:26,246 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-23 13:05:26,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 13:05:26,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2020-12-23 13:05:26,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077185982] [2020-12-23 13:05:26,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 13:05:26,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:26,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 13:05:26,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2020-12-23 13:05:26,249 INFO L87 Difference]: Start difference. First operand 775 states and 1742 transitions. Second operand 6 states. [2020-12-23 13:05:26,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:26,382 INFO L93 Difference]: Finished difference Result 1029 states and 2263 transitions. [2020-12-23 13:05:26,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 13:05:26,383 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-12-23 13:05:26,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:26,390 INFO L225 Difference]: With dead ends: 1029 [2020-12-23 13:05:26,390 INFO L226 Difference]: Without dead ends: 1029 [2020-12-23 13:05:26,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2020-12-23 13:05:26,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2020-12-23 13:05:26,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 789. [2020-12-23 13:05:26,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-12-23 13:05:26,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1783 transitions. [2020-12-23 13:05:26,416 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1783 transitions. Word has length 38 [2020-12-23 13:05:26,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:26,416 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1783 transitions. [2020-12-23 13:05:26,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 13:05:26,417 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1783 transitions. [2020-12-23 13:05:26,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-23 13:05:26,418 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:26,418 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:26,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-23 13:05:26,633 INFO L429 AbstractCegarLoop]: === Iteration 15 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:26,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:26,633 INFO L82 PathProgramCache]: Analyzing trace with hash -2036006486, now seen corresponding path program 4 times [2020-12-23 13:05:26,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:26,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118037634] [2020-12-23 13:05:26,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:26,742 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 13:05:26,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118037634] [2020-12-23 13:05:26,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035602015] [2020-12-23 13:05:26,743 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:26,880 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 13:05:26,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:05:26,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 13:05:26,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:05:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-23 13:05:26,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:05:26,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 9 [2020-12-23 13:05:26,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102013337] [2020-12-23 13:05:26,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 13:05:26,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:26,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 13:05:26,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-12-23 13:05:26,966 INFO L87 Difference]: Start difference. First operand 789 states and 1783 transitions. Second operand 10 states. [2020-12-23 13:05:27,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:27,111 INFO L93 Difference]: Finished difference Result 1017 states and 2237 transitions. [2020-12-23 13:05:27,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 13:05:27,112 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-12-23 13:05:27,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:27,118 INFO L225 Difference]: With dead ends: 1017 [2020-12-23 13:05:27,118 INFO L226 Difference]: Without dead ends: 1017 [2020-12-23 13:05:27,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-12-23 13:05:27,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-12-23 13:05:27,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 789. [2020-12-23 13:05:27,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-12-23 13:05:27,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1783 transitions. [2020-12-23 13:05:27,151 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1783 transitions. Word has length 38 [2020-12-23 13:05:27,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:27,151 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1783 transitions. [2020-12-23 13:05:27,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 13:05:27,151 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1783 transitions. [2020-12-23 13:05:27,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 13:05:27,153 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:27,154 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1] [2020-12-23 13:05:27,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-23 13:05:27,367 INFO L429 AbstractCegarLoop]: === Iteration 16 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:27,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:27,368 INFO L82 PathProgramCache]: Analyzing trace with hash -935804946, now seen corresponding path program 5 times [2020-12-23 13:05:27,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:27,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173787262] [2020-12-23 13:05:27,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 5 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:27,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173787262] [2020-12-23 13:05:27,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761892245] [2020-12-23 13:05:27,551 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:27,731 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2020-12-23 13:05:27,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:05:27,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-23 13:05:27,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:05:27,820 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 5 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:27,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:05:27,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 14 [2020-12-23 13:05:27,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258082344] [2020-12-23 13:05:27,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 13:05:27,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:27,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 13:05:27,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-12-23 13:05:27,823 INFO L87 Difference]: Start difference. First operand 789 states and 1783 transitions. Second operand 15 states. [2020-12-23 13:05:28,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:28,032 INFO L93 Difference]: Finished difference Result 1232 states and 2671 transitions. [2020-12-23 13:05:28,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 13:05:28,033 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2020-12-23 13:05:28,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:28,041 INFO L225 Difference]: With dead ends: 1232 [2020-12-23 13:05:28,041 INFO L226 Difference]: Without dead ends: 1232 [2020-12-23 13:05:28,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2020-12-23 13:05:28,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2020-12-23 13:05:28,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 866. [2020-12-23 13:05:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2020-12-23 13:05:28,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1952 transitions. [2020-12-23 13:05:28,068 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1952 transitions. Word has length 41 [2020-12-23 13:05:28,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:28,068 INFO L481 AbstractCegarLoop]: Abstraction has 866 states and 1952 transitions. [2020-12-23 13:05:28,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 13:05:28,068 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1952 transitions. [2020-12-23 13:05:28,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-23 13:05:28,070 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:28,070 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:28,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-23 13:05:28,284 INFO L429 AbstractCegarLoop]: === Iteration 17 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:28,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:28,285 INFO L82 PathProgramCache]: Analyzing trace with hash 158593968, now seen corresponding path program 2 times [2020-12-23 13:05:28,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:28,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765027619] [2020-12-23 13:05:28,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:28,871 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 13:05:28,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765027619] [2020-12-23 13:05:28,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040854370] [2020-12-23 13:05:28,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:29,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 13:05:29,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:05:29,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 62 conjunts are in the unsatisfiable core [2020-12-23 13:05:29,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:05:29,160 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2020-12-23 13:05:29,161 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:05:29,173 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:05:29,176 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:05:29,176 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:51 [2020-12-23 13:05:29,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:05:29,524 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 43 [2020-12-23 13:05:29,526 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:05:29,545 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:05:29,547 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:05:29,547 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:77, output treesize:56 [2020-12-23 13:05:30,107 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:05:30,126 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2020-12-23 13:05:30,141 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: variable got div captured [2020-12-23 13:05:30,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 13:05:30,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-12-23 13:05:30,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930536313] [2020-12-23 13:05:30,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-12-23 13:05:30,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:30,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-12-23 13:05:30,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1294, Unknown=0, NotChecked=0, Total=1406 [2020-12-23 13:05:30,143 INFO L87 Difference]: Start difference. First operand 866 states and 1952 transitions. Second operand 21 states. [2020-12-23 13:05:30,794 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-12-23 13:05:31,098 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2020-12-23 13:05:31,327 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-12-23 13:05:31,591 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2020-12-23 13:05:31,892 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-12-23 13:05:32,115 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2020-12-23 13:05:32,352 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-12-23 13:05:32,968 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-12-23 13:05:33,201 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-12-23 13:05:33,391 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-12-23 13:05:33,607 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-12-23 13:05:33,878 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2020-12-23 13:05:34,099 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2020-12-23 13:05:34,311 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-12-23 13:05:34,507 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2020-12-23 13:05:34,709 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2020-12-23 13:05:35,062 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2020-12-23 13:05:35,304 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-12-23 13:05:35,602 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-23 13:05:35,926 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2020-12-23 13:05:36,151 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2020-12-23 13:05:36,387 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-12-23 13:05:38,052 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-12-23 13:05:38,370 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2020-12-23 13:05:38,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:38,570 INFO L93 Difference]: Finished difference Result 1814 states and 3913 transitions. [2020-12-23 13:05:38,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-12-23 13:05:38,570 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 43 [2020-12-23 13:05:38,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:38,580 INFO L225 Difference]: With dead ends: 1814 [2020-12-23 13:05:38,580 INFO L226 Difference]: Without dead ends: 1814 [2020-12-23 13:05:38,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1813 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=1205, Invalid=6277, Unknown=0, NotChecked=0, Total=7482 [2020-12-23 13:05:38,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2020-12-23 13:05:38,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 877. [2020-12-23 13:05:38,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2020-12-23 13:05:38,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 2002 transitions. [2020-12-23 13:05:38,613 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 2002 transitions. Word has length 43 [2020-12-23 13:05:38,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:38,614 INFO L481 AbstractCegarLoop]: Abstraction has 877 states and 2002 transitions. [2020-12-23 13:05:38,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-12-23 13:05:38,614 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 2002 transitions. [2020-12-23 13:05:38,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 13:05:38,616 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:38,616 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:38,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-23 13:05:38,830 INFO L429 AbstractCegarLoop]: === Iteration 18 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:38,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:38,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1917445089, now seen corresponding path program 3 times [2020-12-23 13:05:38,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:38,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997144916] [2020-12-23 13:05:38,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:38,959 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:38,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997144916] [2020-12-23 13:05:38,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353564006] [2020-12-23 13:05:38,959 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:39,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-23 13:05:39,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:05:39,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 85 conjunts are in the unsatisfiable core [2020-12-23 13:05:39,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:05:39,172 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:05:39,173 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2669 treesize of output 2557 [2020-12-23 13:05:39,197 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:05:39,199 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:05:39,204 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 13:05:39,213 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:05:39,380 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2020-12-23 13:05:39,381 INFO L625 ElimStorePlain]: treesize reduction 196, result has 32.6 percent of original size [2020-12-23 13:05:39,391 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: need array sort [2020-12-23 13:05:39,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 13:05:39,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-12-23 13:05:39,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060871234] [2020-12-23 13:05:39,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 13:05:39,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:39,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 13:05:39,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-12-23 13:05:39,393 INFO L87 Difference]: Start difference. First operand 877 states and 2002 transitions. Second operand 10 states. [2020-12-23 13:05:39,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 13:05:39,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-23 13:05:39,608 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@1d3314ac at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:356) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:204) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.checkInternal(ProtectiveHoareTripleChecker.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.checkInternal(EfficientHoareTripleChecker.java:63) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1064) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:966) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:187) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:743) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-23 13:05:39,612 INFO L168 Benchmark]: Toolchain (without parser) took 44511.90 ms. Allocated memory was 154.1 MB in the beginning and 448.8 MB in the end (delta: 294.6 MB). Free memory was 127.8 MB in the beginning and 286.7 MB in the end (delta: -158.8 MB). Peak memory consumption was 137.7 MB. Max. memory is 8.0 GB. [2020-12-23 13:05:39,612 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 154.1 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 13:05:39,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1003.94 ms. Allocated memory is still 154.1 MB. Free memory was 127.6 MB in the beginning and 105.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 8.0 GB. [2020-12-23 13:05:39,613 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.76 ms. Allocated memory is still 154.1 MB. Free memory was 105.7 MB in the beginning and 103.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:05:39,614 INFO L168 Benchmark]: Boogie Preprocessor took 44.98 ms. Allocated memory is still 154.1 MB. Free memory was 103.0 MB in the beginning and 101.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:05:39,614 INFO L168 Benchmark]: RCFGBuilder took 717.18 ms. Allocated memory is still 154.1 MB. Free memory was 101.5 MB in the beginning and 69.5 MB in the end (delta: 32.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2020-12-23 13:05:39,615 INFO L168 Benchmark]: TraceAbstraction took 42666.71 ms. Allocated memory was 154.1 MB in the beginning and 448.8 MB in the end (delta: 294.6 MB). Free memory was 69.0 MB in the beginning and 286.7 MB in the end (delta: -217.7 MB). Peak memory consumption was 77.5 MB. Max. memory is 8.0 GB. [2020-12-23 13:05:39,618 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 154.1 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1003.94 ms. Allocated memory is still 154.1 MB. Free memory was 127.6 MB in the beginning and 105.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 67.76 ms. Allocated memory is still 154.1 MB. Free memory was 105.7 MB in the beginning and 103.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 44.98 ms. Allocated memory is still 154.1 MB. Free memory was 103.0 MB in the beginning and 101.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 717.18 ms. Allocated memory is still 154.1 MB. Free memory was 101.5 MB in the beginning and 69.5 MB in the end (delta: 32.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 42666.71 ms. Allocated memory was 154.1 MB in the beginning and 448.8 MB in the end (delta: 294.6 MB). Free memory was 69.0 MB in the beginning and 286.7 MB in the end (delta: -217.7 MB). Peak memory consumption was 77.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4329 VarBasedMoverChecksPositive, 93 VarBasedMoverChecksNegative, 22 SemBasedMoverChecksPositive, 71 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 271 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 10.5s, 139 PlacesBefore, 40 PlacesAfterwards, 144 TransitionsBefore, 40 TransitionsAfterwards, 5962 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 21 ConcurrentYvCompositions, 5 ChoiceCompositions, 129 TotalNumberOfCompositions, 11460 MoverChecksTotal - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@1d3314ac de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@1d3314ac: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...