/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/queue_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 13:01:40,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 13:01:40,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 13:01:40,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 13:01:40,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 13:01:40,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 13:01:40,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 13:01:40,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 13:01:40,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 13:01:40,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 13:01:40,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 13:01:40,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 13:01:40,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 13:01:40,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 13:01:40,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 13:01:40,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 13:01:40,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 13:01:40,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 13:01:40,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 13:01:40,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 13:01:40,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 13:01:40,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 13:01:40,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 13:01:40,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 13:01:40,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 13:01:40,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 13:01:40,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 13:01:40,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 13:01:40,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 13:01:40,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 13:01:40,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 13:01:40,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 13:01:40,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 13:01:40,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 13:01:40,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 13:01:40,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 13:01:40,918 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 13:01:40,963 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 13:01:40,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 13:01:40,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 13:01:40,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 13:01:40,969 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 13:01:40,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 13:01:40,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 13:01:40,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 13:01:40,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 13:01:40,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 13:01:40,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 13:01:40,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 13:01:40,971 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 13:01:40,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 13:01:40,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 13:01:40,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 13:01:40,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 13:01:40,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 13:01:40,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 13:01:40,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 13:01:40,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 13:01:40,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 13:01:40,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 13:01:40,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 13:01:40,974 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 13:01:40,974 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 13:01:41,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 13:01:41,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 13:01:41,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 13:01:41,432 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 13:01:41,432 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 13:01:41,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_ok.i [2020-12-23 13:01:41,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/faa41e8d5/7750337792fd47c3bd8a5744e17a5e4d/FLAGa69ae2878 [2020-12-23 13:01:42,271 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 13:01:42,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread/queue_ok.i [2020-12-23 13:01:42,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/faa41e8d5/7750337792fd47c3bd8a5744e17a5e4d/FLAGa69ae2878 [2020-12-23 13:01:42,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/faa41e8d5/7750337792fd47c3bd8a5744e17a5e4d [2020-12-23 13:01:42,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 13:01:42,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 13:01:42,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 13:01:42,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 13:01:42,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 13:01:42,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:01:42" (1/1) ... [2020-12-23 13:01:42,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747b85b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:01:42, skipping insertion in model container [2020-12-23 13:01:42,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:01:42" (1/1) ... [2020-12-23 13:01:42,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 13:01:42,610 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~q,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~q,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~q,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[84],StructAccessExpression[IdentifierExpression[~q,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~q,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~q,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~q,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~q,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[#t~mem40,]]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~q,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[84],StructAccessExpression[IdentifierExpression[~q,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~q,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~q,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~value~0,] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~stored_elements~0,GLOBAL],[IdentifierExpression[~i~0,]]] left hand side expression in assignment: lhs: VariableLHS[~enqueue_flag~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~dequeue_flag~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~1,] [2020-12-23 13:01:43,137 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/queue_ok.i[43266,43279] left hand side expression in assignment: lhs: VariableLHS[~dequeue_flag~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~enqueue_flag~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~enqueue_flag~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~dequeue_flag~0,GLOBAL] [2020-12-23 13:01:43,148 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/queue_ok.i[43543,43556] [2020-12-23 13:01:43,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:01:43,164 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~q,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~q,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~q,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[84],StructAccessExpression[IdentifierExpression[~q,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~q,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[88],StructAccessExpression[IdentifierExpression[~q,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~q,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~q,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[#t~mem40,]]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~q,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[84],StructAccessExpression[IdentifierExpression[~q,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~q,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[80],StructAccessExpression[IdentifierExpression[~q,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~value~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#stored_elements~0,GLOBAL],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~#stored_elements~0,GLOBAL],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: VariableLHS[~enqueue_flag~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~dequeue_flag~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~1,] [2020-12-23 13:01:43,225 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/queue_ok.i[43266,43279] left hand side expression in assignment: lhs: VariableLHS[~dequeue_flag~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~enqueue_flag~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~enqueue_flag~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~dequeue_flag~0,GLOBAL] [2020-12-23 13:01:43,228 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/queue_ok.i[43543,43556] [2020-12-23 13:01:43,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:01:43,481 INFO L208 MainTranslator]: Completed translation [2020-12-23 13:01:43,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:01:43 WrapperNode [2020-12-23 13:01:43,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 13:01:43,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 13:01:43,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 13:01:43,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 13:01:43,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:01:43" (1/1) ... [2020-12-23 13:01:43,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:01:43" (1/1) ... [2020-12-23 13:01:43,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 13:01:43,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 13:01:43,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 13:01:43,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 13:01:43,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:01:43" (1/1) ... [2020-12-23 13:01:43,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:01:43" (1/1) ... [2020-12-23 13:01:43,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:01:43" (1/1) ... [2020-12-23 13:01:43,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:01:43" (1/1) ... [2020-12-23 13:01:43,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:01:43" (1/1) ... [2020-12-23 13:01:43,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:01:43" (1/1) ... [2020-12-23 13:01:43,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:01:43" (1/1) ... [2020-12-23 13:01:43,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 13:01:43,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 13:01:43,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 13:01:43,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 13:01:43,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:01:43" (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 13:01:43,793 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-12-23 13:01:43,793 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-12-23 13:01:43,793 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-12-23 13:01:43,793 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-12-23 13:01:43,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 13:01:43,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 13:01:43,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 13:01:43,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 13:01:43,796 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-23 13:01:43,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 13:01:43,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 13:01:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 13:01:43,802 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 13:01:44,478 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 13:01:44,480 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-23 13:01:44,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:01:44 BoogieIcfgContainer [2020-12-23 13:01:44,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 13:01:44,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 13:01:44,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 13:01:44,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 13:01:44,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:01:42" (1/3) ... [2020-12-23 13:01:44,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d4ccbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:01:44, skipping insertion in model container [2020-12-23 13:01:44,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:01:43" (2/3) ... [2020-12-23 13:01:44,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d4ccbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:01:44, skipping insertion in model container [2020-12-23 13:01:44,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:01:44" (3/3) ... [2020-12-23 13:01:44,498 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2020-12-23 13:01:44,510 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-23 13:01:44,511 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 13:01:44,519 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 13:01:44,520 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-23 13:01:44,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,576 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,576 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,577 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,577 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,578 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,579 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,579 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,579 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,579 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,580 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,580 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,580 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,600 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,601 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,601 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,601 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,602 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,602 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,602 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,602 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,602 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,603 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,604 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,604 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,607 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,608 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,608 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,608 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,608 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,609 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,609 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,609 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,609 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,609 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,610 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,610 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,611 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,611 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,614 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,614 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,615 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,615 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,616 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,616 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,616 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,617 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,617 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,618 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,619 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,619 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,621 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,621 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,622 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,626 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,627 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,627 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,628 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,628 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,632 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,632 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,633 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,633 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,635 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,637 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,642 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,643 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,643 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,644 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,644 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,653 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,653 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,654 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,654 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,654 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,655 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,655 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,656 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,656 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,656 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,658 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,658 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,658 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,658 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,659 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,659 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,659 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,659 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,659 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,660 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,660 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,660 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,660 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,661 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,661 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,661 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,661 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,662 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,662 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,662 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,662 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,662 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,665 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,665 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,666 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,666 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,667 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,667 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,667 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,668 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,668 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,668 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,668 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,669 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,669 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,669 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,669 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,669 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,669 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,670 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,670 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,670 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,670 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,671 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,671 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,671 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,671 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,671 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,678 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,678 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,678 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,678 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,679 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,679 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,679 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,679 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,679 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,680 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,680 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,681 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,681 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,681 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,682 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,682 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,683 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,685 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,685 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,685 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,685 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,685 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,687 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,687 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,687 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,688 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,688 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,688 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,689 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,689 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,690 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,691 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,691 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,691 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,691 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,691 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,693 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,693 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,693 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,693 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,693 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,693 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,694 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,694 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,694 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,694 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,695 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,695 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,695 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,695 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,695 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,696 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,696 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,696 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,696 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,697 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,697 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,697 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,697 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,697 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,698 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,698 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,698 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,698 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,698 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,699 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,699 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,699 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,699 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,699 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,700 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,700 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,700 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,700 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,700 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,702 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,702 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,702 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,702 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,702 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,703 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,703 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,704 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,704 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,704 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,704 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,704 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,708 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,708 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,708 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,708 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,711 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,712 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,712 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,712 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,712 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,714 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,714 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,714 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,714 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,714 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,715 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,715 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,715 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,715 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,715 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,723 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,724 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,724 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,724 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,724 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,725 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,725 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,725 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,726 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,726 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,726 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,727 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,727 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,727 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,727 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,727 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,728 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,728 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,728 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,728 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,728 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,729 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,729 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,729 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,729 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,729 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,730 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,730 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:01:44,740 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-23 13:01:44,763 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-23 13:01:44,816 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:01:44,816 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:01:44,816 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:01:44,817 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:01:44,817 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:01:44,817 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:01:44,817 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:01:44,817 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:01:44,844 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:01:44,846 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 210 transitions, 442 flow [2020-12-23 13:01:44,850 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 210 transitions, 442 flow [2020-12-23 13:01:44,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 210 transitions, 442 flow [2020-12-23 13:01:44,976 INFO L129 PetriNetUnfolder]: 14/210 cut-off events. [2020-12-23 13:01:44,976 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-12-23 13:01:44,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 210 events. 14/210 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 371 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 140. Up to 3 conditions per place. [2020-12-23 13:01:45,002 INFO L116 LiptonReduction]: Number of co-enabled transitions 9552 [2020-12-23 13:01:51,057 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2020-12-23 13:01:51,166 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-23 13:01:51,437 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2020-12-23 13:01:51,550 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-23 13:01:53,153 WARN L197 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2020-12-23 13:01:53,436 WARN L197 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-12-23 13:01:54,011 WARN L197 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2020-12-23 13:01:54,281 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-12-23 13:01:54,753 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2020-12-23 13:01:55,114 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2020-12-23 13:01:55,486 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2020-12-23 13:01:55,622 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-23 13:01:55,900 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2020-12-23 13:01:56,088 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-23 13:01:57,701 WARN L197 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 182 DAG size of output: 178 [2020-12-23 13:01:58,410 WARN L197 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-12-23 13:02:01,335 WARN L197 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 188 DAG size of output: 184 [2020-12-23 13:02:02,737 WARN L197 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 174 [2020-12-23 13:02:02,759 INFO L131 LiptonReduction]: Checked pairs total: 24424 [2020-12-23 13:02:02,759 INFO L133 LiptonReduction]: Total number of compositions: 193 [2020-12-23 13:02:02,767 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 132 flow [2020-12-23 13:02:02,826 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 716 states. [2020-12-23 13:02:02,829 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states. [2020-12-23 13:02:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-12-23 13:02:02,835 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:02:02,835 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-12-23 13:02:02,836 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:02:02,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:02:02,846 INFO L82 PathProgramCache]: Analyzing trace with hash 832, now seen corresponding path program 1 times [2020-12-23 13:02:02,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:02:02,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842187520] [2020-12-23 13:02:02,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:02:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:03,049 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 13:02:03,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842187520] [2020-12-23 13:02:03,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:02:03,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-12-23 13:02:03,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188372101] [2020-12-23 13:02:03,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 13:02:03,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:02:03,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 13:02:03,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 13:02:03,081 INFO L87 Difference]: Start difference. First operand 716 states. Second operand 2 states. [2020-12-23 13:02:03,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:02:03,153 INFO L93 Difference]: Finished difference Result 715 states and 1901 transitions. [2020-12-23 13:02:03,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 13:02:03,155 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-12-23 13:02:03,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:02:03,178 INFO L225 Difference]: With dead ends: 715 [2020-12-23 13:02:03,179 INFO L226 Difference]: Without dead ends: 524 [2020-12-23 13:02:03,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 13:02:03,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-12-23 13:02:03,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2020-12-23 13:02:03,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-12-23 13:02:03,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1400 transitions. [2020-12-23 13:02:03,276 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1400 transitions. Word has length 1 [2020-12-23 13:02:03,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:02:03,277 INFO L481 AbstractCegarLoop]: Abstraction has 524 states and 1400 transitions. [2020-12-23 13:02:03,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 13:02:03,277 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1400 transitions. [2020-12-23 13:02:03,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 13:02:03,282 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:02:03,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:02:03,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 13:02:03,283 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:02:03,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:02:03,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1207408886, now seen corresponding path program 1 times [2020-12-23 13:02:03,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:02:03,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252013429] [2020-12-23 13:02:03,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:02:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:03,525 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 13:02:03,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252013429] [2020-12-23 13:02:03,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:02:03,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 13:02:03,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922272110] [2020-12-23 13:02:03,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:02:03,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:02:03,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:02:03,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:02:03,529 INFO L87 Difference]: Start difference. First operand 524 states and 1400 transitions. Second operand 3 states. [2020-12-23 13:02:03,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:02:03,546 INFO L93 Difference]: Finished difference Result 236 states and 509 transitions. [2020-12-23 13:02:03,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:02:03,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-12-23 13:02:03,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:02:03,552 INFO L225 Difference]: With dead ends: 236 [2020-12-23 13:02:03,552 INFO L226 Difference]: Without dead ends: 212 [2020-12-23 13:02:03,553 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 13:02:03,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-12-23 13:02:03,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-12-23 13:02:03,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-12-23 13:02:03,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 464 transitions. [2020-12-23 13:02:03,589 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 464 transitions. Word has length 15 [2020-12-23 13:02:03,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:02:03,589 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 464 transitions. [2020-12-23 13:02:03,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:02:03,590 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2020-12-23 13:02:03,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-23 13:02:03,592 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:02:03,592 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:02:03,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 13:02:03,596 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:02:03,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:02:03,597 INFO L82 PathProgramCache]: Analyzing trace with hash -742964778, now seen corresponding path program 1 times [2020-12-23 13:02:03,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:02:03,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121494058] [2020-12-23 13:02:03,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:02:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:03,705 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 13:02:03,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121494058] [2020-12-23 13:02:03,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:02:03,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:02:03,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510390843] [2020-12-23 13:02:03,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:02:03,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:02:03,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:02:03,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:02:03,710 INFO L87 Difference]: Start difference. First operand 212 states and 464 transitions. Second operand 3 states. [2020-12-23 13:02:03,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:02:03,746 INFO L93 Difference]: Finished difference Result 272 states and 590 transitions. [2020-12-23 13:02:03,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:02:03,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-23 13:02:03,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:02:03,750 INFO L225 Difference]: With dead ends: 272 [2020-12-23 13:02:03,750 INFO L226 Difference]: Without dead ends: 272 [2020-12-23 13:02:03,751 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 13:02:03,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-12-23 13:02:03,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 218. [2020-12-23 13:02:03,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-12-23 13:02:03,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 476 transitions. [2020-12-23 13:02:03,773 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 476 transitions. Word has length 19 [2020-12-23 13:02:03,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:02:03,774 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 476 transitions. [2020-12-23 13:02:03,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:02:03,774 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 476 transitions. [2020-12-23 13:02:03,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 13:02:03,780 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:02:03,780 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, 1, 1, 1, 1, 1] [2020-12-23 13:02:03,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 13:02:03,781 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:02:03,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:02:03,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1371057704, now seen corresponding path program 1 times [2020-12-23 13:02:03,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:02:03,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012952348] [2020-12-23 13:02:03,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:02:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:03,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:03,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012952348] [2020-12-23 13:02:03,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565135938] [2020-12-23 13:02:03,900 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 13:02:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:04,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 13:02:04,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:02:04,104 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 11 treesize of output 7 [2020-12-23 13:02:04,105 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:04,108 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:04,109 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:04,109 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-12-23 13:02:04,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 13:02:04,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 13:02:04,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-23 13:02:04,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297742481] [2020-12-23 13:02:04,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:02:04,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:02:04,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:02:04,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:02:04,148 INFO L87 Difference]: Start difference. First operand 218 states and 476 transitions. Second operand 3 states. [2020-12-23 13:02:04,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:02:04,173 INFO L93 Difference]: Finished difference Result 166 states and 334 transitions. [2020-12-23 13:02:04,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:02:04,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-23 13:02:04,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:02:04,176 INFO L225 Difference]: With dead ends: 166 [2020-12-23 13:02:04,176 INFO L226 Difference]: Without dead ends: 164 [2020-12-23 13:02:04,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:02:04,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-12-23 13:02:04,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-12-23 13:02:04,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-12-23 13:02:04,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 331 transitions. [2020-12-23 13:02:04,184 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 331 transitions. Word has length 26 [2020-12-23 13:02:04,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:02:04,184 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 331 transitions. [2020-12-23 13:02:04,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:02:04,184 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2020-12-23 13:02:04,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 13:02:04,185 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:02:04,185 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, 1, 1, 1, 1, 1, 1] [2020-12-23 13:02:04,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:02:04,399 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:02:04,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:02:04,400 INFO L82 PathProgramCache]: Analyzing trace with hash 354553372, now seen corresponding path program 1 times [2020-12-23 13:02:04,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:02:04,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038080949] [2020-12-23 13:02:04,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:02:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:04,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:04,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038080949] [2020-12-23 13:02:04,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630162567] [2020-12-23 13:02:04,500 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 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 13:02:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:04,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 13:02:04,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:02:04,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:04,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:02:04,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 13:02:04,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308088530] [2020-12-23 13:02:04,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:02:04,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:02:04,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:02:04,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:02:04,664 INFO L87 Difference]: Start difference. First operand 164 states and 331 transitions. Second operand 5 states. [2020-12-23 13:02:04,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:02:04,697 INFO L93 Difference]: Finished difference Result 240 states and 472 transitions. [2020-12-23 13:02:04,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 13:02:04,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-12-23 13:02:04,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:02:04,700 INFO L225 Difference]: With dead ends: 240 [2020-12-23 13:02:04,700 INFO L226 Difference]: Without dead ends: 240 [2020-12-23 13:02:04,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:02:04,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-12-23 13:02:04,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 204. [2020-12-23 13:02:04,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-12-23 13:02:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 405 transitions. [2020-12-23 13:02:04,709 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 405 transitions. Word has length 27 [2020-12-23 13:02:04,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:02:04,709 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 405 transitions. [2020-12-23 13:02:04,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:02:04,709 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2020-12-23 13:02:04,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 13:02:04,710 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:02:04,710 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, 1, 1, 1, 1, 1, 1] [2020-12-23 13:02:04,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:02:04,926 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:02:04,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:02:04,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1309542104, now seen corresponding path program 2 times [2020-12-23 13:02:04,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:02:04,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611406343] [2020-12-23 13:02:04,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:02:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:05,040 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:05,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611406343] [2020-12-23 13:02:05,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936535979] [2020-12-23 13:02:05,040 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 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 13:02:05,277 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 13:02:05,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:02:05,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 13:02:05,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:02:05,347 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:05,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:02:05,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-12-23 13:02:05,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611512632] [2020-12-23 13:02:05,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 13:02:05,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:02:05,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 13:02:05,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 13:02:05,352 INFO L87 Difference]: Start difference. First operand 204 states and 405 transitions. Second operand 6 states. [2020-12-23 13:02:05,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:02:05,398 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2020-12-23 13:02:05,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 13:02:05,399 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-12-23 13:02:05,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:02:05,401 INFO L225 Difference]: With dead ends: 280 [2020-12-23 13:02:05,402 INFO L226 Difference]: Without dead ends: 280 [2020-12-23 13:02:05,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 13:02:05,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-12-23 13:02:05,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-12-23 13:02:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-12-23 13:02:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 479 transitions. [2020-12-23 13:02:05,411 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 479 transitions. Word has length 34 [2020-12-23 13:02:05,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:02:05,411 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 479 transitions. [2020-12-23 13:02:05,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 13:02:05,412 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2020-12-23 13:02:05,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 13:02:05,413 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:02:05,413 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:02:05,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:02:05,627 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:02:05,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:02:05,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1281883492, now seen corresponding path program 3 times [2020-12-23 13:02:05,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:02:05,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006988374] [2020-12-23 13:02:05,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:02:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:05,749 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:05,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006988374] [2020-12-23 13:02:05,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687180313] [2020-12-23 13:02:05,750 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 13:02:06,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-12-23 13:02:06,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:02:06,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-23 13:02:06,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:02:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:06,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:02:06,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-12-23 13:02:06,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904886478] [2020-12-23 13:02:06,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 13:02:06,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:02:06,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 13:02:06,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:02:06,578 INFO L87 Difference]: Start difference. First operand 244 states and 479 transitions. Second operand 7 states. [2020-12-23 13:02:06,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:02:06,630 INFO L93 Difference]: Finished difference Result 320 states and 620 transitions. [2020-12-23 13:02:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 13:02:06,631 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-12-23 13:02:06,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:02:06,633 INFO L225 Difference]: With dead ends: 320 [2020-12-23 13:02:06,633 INFO L226 Difference]: Without dead ends: 320 [2020-12-23 13:02:06,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:02:06,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-12-23 13:02:06,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 284. [2020-12-23 13:02:06,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-12-23 13:02:06,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 553 transitions. [2020-12-23 13:02:06,644 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 553 transitions. Word has length 41 [2020-12-23 13:02:06,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:02:06,645 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 553 transitions. [2020-12-23 13:02:06,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 13:02:06,645 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 553 transitions. [2020-12-23 13:02:06,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 13:02:06,646 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:02:06,646 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:02:06,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:02:06,861 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:02:06,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:02:06,862 INFO L82 PathProgramCache]: Analyzing trace with hash 22282840, now seen corresponding path program 4 times [2020-12-23 13:02:06,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:02:06,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546058031] [2020-12-23 13:02:06,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:02:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:07,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546058031] [2020-12-23 13:02:07,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280196387] [2020-12-23 13:02:07,013 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 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 13:02:07,247 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 13:02:07,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:02:07,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 13:02:07,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:02:07,336 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:07,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:02:07,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-12-23 13:02:07,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101085751] [2020-12-23 13:02:07,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 13:02:07,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:02:07,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 13:02:07,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-12-23 13:02:07,340 INFO L87 Difference]: Start difference. First operand 284 states and 553 transitions. Second operand 8 states. [2020-12-23 13:02:07,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:02:07,403 INFO L93 Difference]: Finished difference Result 360 states and 694 transitions. [2020-12-23 13:02:07,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 13:02:07,403 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-12-23 13:02:07,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:02:07,408 INFO L225 Difference]: With dead ends: 360 [2020-12-23 13:02:07,409 INFO L226 Difference]: Without dead ends: 360 [2020-12-23 13:02:07,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-12-23 13:02:07,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-23 13:02:07,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2020-12-23 13:02:07,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-12-23 13:02:07,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 627 transitions. [2020-12-23 13:02:07,420 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 627 transitions. Word has length 48 [2020-12-23 13:02:07,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:02:07,421 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 627 transitions. [2020-12-23 13:02:07,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 13:02:07,422 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 627 transitions. [2020-12-23 13:02:07,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 13:02:07,424 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:02:07,425 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:02:07,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:02:07,639 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:02:07,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:02:07,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1883772700, now seen corresponding path program 5 times [2020-12-23 13:02:07,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:02:07,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020873318] [2020-12-23 13:02:07,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:02:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:07,804 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:07,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020873318] [2020-12-23 13:02:07,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603970499] [2020-12-23 13:02:07,805 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 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 13:02:08,034 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-12-23 13:02:08,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:02:08,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 43 conjunts are in the unsatisfiable core [2020-12-23 13:02:08,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:02:08,080 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 13 treesize of output 9 [2020-12-23 13:02:08,081 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:08,083 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:08,084 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:08,084 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-12-23 13:02:08,154 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:08,155 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-12-23 13:02:08,160 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:08,196 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-12-23 13:02:08,201 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:08,209 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-23 13:02:08,209 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-12-23 13:02:08,297 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 13:02:08,334 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:08,335 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-12-23 13:02:08,337 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:08,340 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:08,347 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:02:08,375 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:08,376 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-12-23 13:02:08,379 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:08,509 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-12-23 13:02:08,511 INFO L625 ElimStorePlain]: treesize reduction 46, result has 65.7 percent of original size [2020-12-23 13:02:08,528 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-23 13:02:08,528 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-12-23 13:02:08,603 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:08,619 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 15 treesize of output 11 [2020-12-23 13:02:08,620 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:08,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:08,633 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 25 treesize of output 24 [2020-12-23 13:02:08,635 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:08,710 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:08,714 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-23 13:02:08,714 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-12-23 13:02:08,809 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 23 treesize of output 13 [2020-12-23 13:02:08,811 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:08,823 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:08,824 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:08,825 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-12-23 13:02:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:08,909 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 30 treesize of output 29 [2020-12-23 13:02:08,910 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:08,919 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:08,921 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 13:02:08,922 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:9 [2020-12-23 13:02:08,977 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:02:08,993 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:08,993 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-12-23 13:02:08,997 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:09,025 INFO L625 ElimStorePlain]: treesize reduction 30, result has 50.0 percent of original size [2020-12-23 13:02:09,027 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 13:02:09,027 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:16 [2020-12-23 13:02:09,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:09,072 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 25 treesize of output 24 [2020-12-23 13:02:09,074 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:09,083 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:09,085 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:09,088 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-12-23 13:02:09,118 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-23 13:02:09,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 13:02:09,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2020-12-23 13:02:09,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017041688] [2020-12-23 13:02:09,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 13:02:09,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:02:09,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 13:02:09,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2020-12-23 13:02:09,121 INFO L87 Difference]: Start difference. First operand 324 states and 627 transitions. Second operand 11 states. [2020-12-23 13:02:09,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:02:09,855 INFO L93 Difference]: Finished difference Result 774 states and 1494 transitions. [2020-12-23 13:02:09,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 13:02:09,856 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2020-12-23 13:02:09,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:02:09,863 INFO L225 Difference]: With dead ends: 774 [2020-12-23 13:02:09,863 INFO L226 Difference]: Without dead ends: 774 [2020-12-23 13:02:09,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2020-12-23 13:02:09,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-12-23 13:02:09,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 540. [2020-12-23 13:02:09,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2020-12-23 13:02:09,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 1029 transitions. [2020-12-23 13:02:09,887 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 1029 transitions. Word has length 55 [2020-12-23 13:02:09,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:02:09,888 INFO L481 AbstractCegarLoop]: Abstraction has 540 states and 1029 transitions. [2020-12-23 13:02:09,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 13:02:09,888 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1029 transitions. [2020-12-23 13:02:09,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 13:02:09,890 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:02:09,890 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 1, 1, 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 13:02:10,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:02:10,106 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:02:10,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:02:10,107 INFO L82 PathProgramCache]: Analyzing trace with hash 2112335223, now seen corresponding path program 1 times [2020-12-23 13:02:10,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:02:10,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652385486] [2020-12-23 13:02:10,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:02:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:10,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652385486] [2020-12-23 13:02:10,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079291673] [2020-12-23 13:02:10,218 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 13:02:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:10,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-23 13:02:10,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:02:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:10,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:02:10,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2020-12-23 13:02:10,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057699816] [2020-12-23 13:02:10,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 13:02:10,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:02:10,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 13:02:10,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:02:10,468 INFO L87 Difference]: Start difference. First operand 540 states and 1029 transitions. Second operand 9 states. [2020-12-23 13:02:10,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:02:10,542 INFO L93 Difference]: Finished difference Result 728 states and 1374 transitions. [2020-12-23 13:02:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 13:02:10,543 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-12-23 13:02:10,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:02:10,548 INFO L225 Difference]: With dead ends: 728 [2020-12-23 13:02:10,549 INFO L226 Difference]: Without dead ends: 728 [2020-12-23 13:02:10,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-12-23 13:02:10,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-12-23 13:02:10,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 640. [2020-12-23 13:02:10,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-12-23 13:02:10,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1212 transitions. [2020-12-23 13:02:10,603 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1212 transitions. Word has length 56 [2020-12-23 13:02:10,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:02:10,603 INFO L481 AbstractCegarLoop]: Abstraction has 640 states and 1212 transitions. [2020-12-23 13:02:10,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 13:02:10,603 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1212 transitions. [2020-12-23 13:02:10,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 13:02:10,605 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:02:10,605 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:02:10,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 13:02:10,814 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:02:10,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:02:10,815 INFO L82 PathProgramCache]: Analyzing trace with hash 2097183928, now seen corresponding path program 2 times [2020-12-23 13:02:10,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:02:10,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848905040] [2020-12-23 13:02:10,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:02:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:10,944 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:10,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848905040] [2020-12-23 13:02:10,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447367460] [2020-12-23 13:02:10,945 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 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 13:02:11,182 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 13:02:11,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:02:11,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 13:02:11,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:02:11,279 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:11,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:02:11,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-12-23 13:02:11,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797451973] [2020-12-23 13:02:11,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 13:02:11,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:02:11,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 13:02:11,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-12-23 13:02:11,282 INFO L87 Difference]: Start difference. First operand 640 states and 1212 transitions. Second operand 10 states. [2020-12-23 13:02:11,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:02:11,363 INFO L93 Difference]: Finished difference Result 828 states and 1557 transitions. [2020-12-23 13:02:11,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 13:02:11,364 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-12-23 13:02:11,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:02:11,369 INFO L225 Difference]: With dead ends: 828 [2020-12-23 13:02:11,369 INFO L226 Difference]: Without dead ends: 828 [2020-12-23 13:02:11,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-12-23 13:02:11,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-12-23 13:02:11,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 740. [2020-12-23 13:02:11,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-12-23 13:02:11,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1395 transitions. [2020-12-23 13:02:11,391 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1395 transitions. Word has length 64 [2020-12-23 13:02:11,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:02:11,392 INFO L481 AbstractCegarLoop]: Abstraction has 740 states and 1395 transitions. [2020-12-23 13:02:11,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 13:02:11,392 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1395 transitions. [2020-12-23 13:02:11,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 13:02:11,394 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:02:11,395 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:02:11,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 13:02:11,604 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:02:11,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:02:11,605 INFO L82 PathProgramCache]: Analyzing trace with hash -686180966, now seen corresponding path program 3 times [2020-12-23 13:02:11,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:02:11,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037047526] [2020-12-23 13:02:11,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:02:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:11,755 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:11,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037047526] [2020-12-23 13:02:11,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180395506] [2020-12-23 13:02:11,756 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 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 13:02:13,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-12-23 13:02:13,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:02:13,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 49 conjunts are in the unsatisfiable core [2020-12-23 13:02:13,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:02:13,232 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 99 treesize of output 95 [2020-12-23 13:02:13,241 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,284 INFO L625 ElimStorePlain]: treesize reduction 30, result has 45.5 percent of original size [2020-12-23 13:02:13,288 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,289 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:26, output treesize:4 [2020-12-23 13:02:13,367 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-23 13:02:13,368 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,373 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:13,374 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,374 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-23 13:02:13,403 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 25 treesize of output 24 [2020-12-23 13:02:13,405 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,412 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:13,414 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 13:02:13,416 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-12-23 13:02:13,456 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:02:13,470 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:13,471 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-12-23 13:02:13,473 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,504 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-12-23 13:02:13,513 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 13:02:13,513 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-12-23 13:02:13,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:13,556 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-12-23 13:02:13,557 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,572 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:13,580 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,580 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-12-23 13:02:13,688 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 31 treesize of output 15 [2020-12-23 13:02:13,690 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,696 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:13,697 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,697 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-12-23 13:02:13,736 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 25 treesize of output 24 [2020-12-23 13:02:13,739 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,747 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:13,750 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,751 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-12-23 13:02:13,808 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:02:13,843 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:13,843 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 83 [2020-12-23 13:02:13,849 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,874 INFO L625 ElimStorePlain]: treesize reduction 31, result has 41.5 percent of original size [2020-12-23 13:02:13,876 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,876 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:13 [2020-12-23 13:02:13,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:13,914 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 25 treesize of output 24 [2020-12-23 13:02:13,916 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,927 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:13,929 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:13,929 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:13 [2020-12-23 13:02:13,964 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 65 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-23 13:02:13,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:02:13,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2020-12-23 13:02:13,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671994269] [2020-12-23 13:02:13,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-12-23 13:02:13,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:02:13,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-12-23 13:02:13,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2020-12-23 13:02:13,968 INFO L87 Difference]: Start difference. First operand 740 states and 1395 transitions. Second operand 20 states. [2020-12-23 13:02:17,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:02:17,034 INFO L93 Difference]: Finished difference Result 1164 states and 2153 transitions. [2020-12-23 13:02:17,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-12-23 13:02:17,035 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 71 [2020-12-23 13:02:17,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:02:17,046 INFO L225 Difference]: With dead ends: 1164 [2020-12-23 13:02:17,046 INFO L226 Difference]: Without dead ends: 1164 [2020-12-23 13:02:17,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1324 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=933, Invalid=3357, Unknown=0, NotChecked=0, Total=4290 [2020-12-23 13:02:17,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2020-12-23 13:02:17,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 796. [2020-12-23 13:02:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2020-12-23 13:02:17,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1473 transitions. [2020-12-23 13:02:17,072 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1473 transitions. Word has length 71 [2020-12-23 13:02:17,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:02:17,074 INFO L481 AbstractCegarLoop]: Abstraction has 796 states and 1473 transitions. [2020-12-23 13:02:17,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-12-23 13:02:17,074 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1473 transitions. [2020-12-23 13:02:17,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 13:02:17,076 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:02:17,077 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:02:17,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:02:17,291 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:02:17,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:02:17,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1793354625, now seen corresponding path program 4 times [2020-12-23 13:02:17,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:02:17,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329720570] [2020-12-23 13:02:17,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:02:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:17,450 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:17,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329720570] [2020-12-23 13:02:17,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983871563] [2020-12-23 13:02:17,451 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 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 13:02:18,577 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 13:02:18,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:02:18,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 13:02:18,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:02:18,688 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:18,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:02:18,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2020-12-23 13:02:18,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879298504] [2020-12-23 13:02:18,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 13:02:18,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:02:18,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 13:02:18,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-12-23 13:02:18,694 INFO L87 Difference]: Start difference. First operand 796 states and 1473 transitions. Second operand 12 states. [2020-12-23 13:02:18,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:02:18,791 INFO L93 Difference]: Finished difference Result 968 states and 1782 transitions. [2020-12-23 13:02:18,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 13:02:18,791 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 81 [2020-12-23 13:02:18,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:02:18,797 INFO L225 Difference]: With dead ends: 968 [2020-12-23 13:02:18,798 INFO L226 Difference]: Without dead ends: 968 [2020-12-23 13:02:18,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-12-23 13:02:18,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2020-12-23 13:02:18,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 888. [2020-12-23 13:02:18,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-12-23 13:02:18,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1638 transitions. [2020-12-23 13:02:18,821 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1638 transitions. Word has length 81 [2020-12-23 13:02:18,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:02:18,822 INFO L481 AbstractCegarLoop]: Abstraction has 888 states and 1638 transitions. [2020-12-23 13:02:18,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 13:02:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1638 transitions. [2020-12-23 13:02:18,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 13:02:18,831 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:02:18,831 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:02:19,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:02:19,045 INFO L429 AbstractCegarLoop]: === Iteration 14 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:02:19,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:02:19,046 INFO L82 PathProgramCache]: Analyzing trace with hash 527134477, now seen corresponding path program 5 times [2020-12-23 13:02:19,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:02:19,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171659625] [2020-12-23 13:02:19,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:02:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:02:19,270 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:02:19,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171659625] [2020-12-23 13:02:19,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568141242] [2020-12-23 13:02:19,271 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 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 13:02:36,973 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2020-12-23 13:02:36,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:02:37,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 116 conjunts are in the unsatisfiable core [2020-12-23 13:02:37,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:02:37,047 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 13 treesize of output 9 [2020-12-23 13:02:37,050 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:37,053 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:37,053 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:37,054 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-12-23 13:02:37,099 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:37,099 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-12-23 13:02:37,102 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:37,143 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-12-23 13:02:37,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:37,148 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-23 13:02:37,148 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-12-23 13:02:37,245 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 13:02:37,257 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:02:37,259 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:02:37,283 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:37,284 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-12-23 13:02:37,287 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:37,315 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:37,315 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-12-23 13:02:37,317 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:37,320 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:37,431 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2020-12-23 13:02:37,432 INFO L625 ElimStorePlain]: treesize reduction 46, result has 65.7 percent of original size [2020-12-23 13:02:37,439 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-23 13:02:37,440 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-12-23 13:02:37,507 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:37,518 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 15 treesize of output 11 [2020-12-23 13:02:37,519 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:37,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:37,529 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 25 treesize of output 24 [2020-12-23 13:02:37,531 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:37,572 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:37,574 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-23 13:02:37,575 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-12-23 13:02:37,732 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-12-23 13:02:37,733 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 13:02:37,744 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 32 treesize of output 16 [2020-12-23 13:02:37,746 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:37,800 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.3 percent of original size [2020-12-23 13:02:37,807 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 31 treesize of output 15 [2020-12-23 13:02:37,808 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:37,829 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:37,830 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-23 13:02:37,831 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:45 [2020-12-23 13:02:37,892 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:37,895 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 13:02:37,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:37,920 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 26 treesize of output 25 [2020-12-23 13:02:37,921 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:37,956 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:37,957 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-12-23 13:02:37,960 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:38,091 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-23 13:02:38,093 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-12-23 13:02:38,100 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:38,109 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-12-23 13:02:38,110 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-12-23 13:02:38,190 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:38,235 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:38,236 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 50 [2020-12-23 13:02:38,238 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:38,248 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 11 treesize of output 7 [2020-12-23 13:02:38,249 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:38,329 INFO L625 ElimStorePlain]: treesize reduction 20, result has 75.0 percent of original size [2020-12-23 13:02:38,333 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:38,335 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-12-23 13:02:38,335 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:58, output treesize:60 [2020-12-23 13:02:38,337 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:40,555 WARN L197 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 47 [2020-12-23 13:02:40,563 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:40,626 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:40,771 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 7, 1] term [2020-12-23 13:02:40,771 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 13:02:40,779 INFO L443 ElimStorePlain]: Different costs {6=[|v_#memory_int_811|, v_prenex_6], 12=[v_prenex_4]} [2020-12-23 13:02:40,840 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:40,841 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 94 [2020-12-23 13:02:40,844 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-12-23 13:02:40,844 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 13:02:40,847 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-12-23 13:02:41,212 WARN L197 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 90 [2020-12-23 13:02:41,213 INFO L625 ElimStorePlain]: treesize reduction 76, result has 73.0 percent of original size [2020-12-23 13:02:41,225 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:02:41,242 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:41,242 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-12-23 13:02:41,245 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:41,498 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2020-12-23 13:02:41,499 INFO L625 ElimStorePlain]: treesize reduction 22, result has 89.8 percent of original size [2020-12-23 13:02:41,516 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:02:41,570 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:41,570 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 97 [2020-12-23 13:02:41,574 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:41,861 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 83 [2020-12-23 13:02:41,866 INFO L625 ElimStorePlain]: treesize reduction 51, result has 78.9 percent of original size [2020-12-23 13:02:41,874 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:41,875 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 13:02:41,877 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:41,883 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2020-12-23 13:02:41,883 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 10 variables, input treesize:141, output treesize:130 [2020-12-23 13:02:41,886 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:41,886 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 13:02:41,888 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:42,079 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2020-12-23 13:02:42,085 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:42,085 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 13:02:42,167 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 13:02:42,170 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 13:02:42,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:42,176 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:42,178 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-23 13:02:42,189 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:42,191 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:42,193 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:42,195 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:42,197 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 13:02:42,202 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:42,204 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:42,207 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:42,209 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:42,211 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 13:02:42,215 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-23 13:02:42,219 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:42,221 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 13:02:42,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:42,247 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 25 treesize of output 24 [2020-12-23 13:02:42,250 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:42,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:42,269 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 25 treesize of output 24 [2020-12-23 13:02:42,271 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:42,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:42,287 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 25 treesize of output 24 [2020-12-23 13:02:42,289 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:42,331 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:42,332 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 1 case distinctions, treesize of input 23 treesize of output 52 [2020-12-23 13:02:42,334 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:42,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:42,404 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:42,405 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 78 [2020-12-23 13:02:42,408 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:42,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:42,427 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 28 treesize of output 27 [2020-12-23 13:02:42,429 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:42,443 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 23 treesize of output 22 [2020-12-23 13:02:42,444 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:42,691 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-12-23 13:02:42,692 INFO L625 ElimStorePlain]: treesize reduction 218, result has 43.5 percent of original size [2020-12-23 13:02:42,698 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-12-23 13:02:42,698 INFO L244 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:354, output treesize:107 [2020-12-23 13:02:42,961 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 23 treesize of output 13 [2020-12-23 13:02:42,964 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:42,978 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:42,979 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:42,979 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-12-23 13:02:43,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:43,040 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 25 treesize of output 24 [2020-12-23 13:02:43,042 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:43,060 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:43,063 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 13:02:43,063 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-12-23 13:02:43,200 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:02:43,221 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:43,222 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-12-23 13:02:43,228 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:43,285 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-12-23 13:02:43,288 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 13:02:43,289 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-12-23 13:02:43,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:43,375 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 25 treesize of output 24 [2020-12-23 13:02:43,376 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:43,399 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:43,402 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:43,403 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-12-23 13:02:43,574 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 31 treesize of output 15 [2020-12-23 13:02:43,575 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:43,588 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:43,589 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:43,589 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:34 [2020-12-23 13:02:43,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:43,671 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 25 treesize of output 24 [2020-12-23 13:02:43,673 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:43,691 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:43,694 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 13:02:43,694 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-12-23 13:02:43,844 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:02:43,862 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:43,863 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-12-23 13:02:43,866 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:43,919 INFO L625 ElimStorePlain]: treesize reduction 22, result has 69.0 percent of original size [2020-12-23 13:02:43,921 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:43,921 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:40 [2020-12-23 13:02:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:44,028 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 25 treesize of output 24 [2020-12-23 13:02:44,030 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:44,051 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:44,054 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:44,054 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-12-23 13:02:44,224 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 31 treesize of output 15 [2020-12-23 13:02:44,225 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:44,238 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:44,239 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:44,239 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:34 [2020-12-23 13:02:44,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:44,316 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 30 treesize of output 29 [2020-12-23 13:02:44,317 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:44,327 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:44,329 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 13:02:44,329 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:9 [2020-12-23 13:02:44,432 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:02:44,468 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:44,469 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 83 [2020-12-23 13:02:44,472 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:44,494 INFO L625 ElimStorePlain]: treesize reduction 31, result has 41.5 percent of original size [2020-12-23 13:02:44,495 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:44,496 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:13 [2020-12-23 13:02:44,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:02:44,558 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 25 treesize of output 24 [2020-12-23 13:02:44,559 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:02:44,568 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:02:44,570 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:02:44,571 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:13 [2020-12-23 13:02:44,662 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 168 proven. 40 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-12-23 13:02:44,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:02:44,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 30] total 40 [2020-12-23 13:02:44,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742632784] [2020-12-23 13:02:44,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-12-23 13:02:44,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:02:44,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-12-23 13:02:44,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1308, Unknown=0, NotChecked=0, Total=1560 [2020-12-23 13:02:44,666 INFO L87 Difference]: Start difference. First operand 888 states and 1638 transitions. Second operand 40 states. [2020-12-23 13:02:46,119 WARN L197 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 42 [2020-12-23 13:02:47,036 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-12-23 13:02:47,413 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2020-12-23 13:02:47,997 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 48 [2020-12-23 13:02:48,354 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 50 [2020-12-23 13:02:51,073 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2020-12-23 13:02:51,412 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2020-12-23 13:02:51,778 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 43 [2020-12-23 13:02:52,232 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2020-12-23 13:02:52,680 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-12-23 13:02:53,116 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 49 [2020-12-23 13:02:53,768 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 51 [2020-12-23 13:02:53,922 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2020-12-23 13:02:54,748 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2020-12-23 13:02:55,100 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 42 [2020-12-23 13:02:55,470 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-12-23 13:02:55,932 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2020-12-23 13:02:56,676 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 48 [2020-12-23 13:02:57,053 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2020-12-23 13:02:57,576 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 50 [2020-12-23 13:02:58,068 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 43 [2020-12-23 13:02:58,570 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2020-12-23 13:03:01,465 WARN L197 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2020-12-23 13:03:01,942 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2020-12-23 13:03:02,705 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 49 [2020-12-23 13:03:03,140 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 51 [2020-12-23 13:03:03,760 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 34 [2020-12-23 13:03:04,801 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2020-12-23 13:03:05,182 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 43 [2020-12-23 13:03:05,657 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 39 [2020-12-23 13:03:06,003 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2020-12-23 13:03:06,277 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2020-12-23 13:03:06,917 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2020-12-23 13:03:07,593 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-12-23 13:03:07,870 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 39 [2020-12-23 13:03:08,481 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 51 [2020-12-23 13:03:08,709 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2020-12-23 13:03:09,111 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-12-23 13:03:10,206 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-12-23 13:03:10,700 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2020-12-23 13:03:11,114 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 43 [2020-12-23 13:03:11,552 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 46 [2020-12-23 13:03:11,931 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2020-12-23 13:03:12,125 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 39 [2020-12-23 13:03:12,887 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2020-12-23 13:03:13,426 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2020-12-23 13:03:14,052 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-12-23 13:03:14,626 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2020-12-23 13:03:15,206 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 51 [2020-12-23 13:03:15,753 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 38 [2020-12-23 13:03:16,292 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 43 [2020-12-23 13:03:16,901 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 38 [2020-12-23 13:03:17,205 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2020-12-23 13:03:17,447 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2020-12-23 13:03:17,813 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-12-23 13:03:18,223 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2020-12-23 13:03:18,598 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2020-12-23 13:03:18,776 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-23 13:03:19,023 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 46 [2020-12-23 13:03:19,225 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 39 [2020-12-23 13:03:20,151 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-12-23 13:03:21,041 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 51 [2020-12-23 13:03:21,302 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2020-12-23 13:03:21,885 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 35 [2020-12-23 13:03:22,065 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-12-23 13:03:23,156 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2020-12-23 13:03:23,597 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 43 [2020-12-23 13:03:24,200 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 38 [2020-12-23 13:03:24,406 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 39 [2020-12-23 13:03:24,783 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2020-12-23 13:03:25,031 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-12-23 13:03:25,300 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2020-12-23 13:03:25,919 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2020-12-23 13:03:26,174 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 46 [2020-12-23 13:03:26,987 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-12-23 13:03:27,789 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 39 [2020-12-23 13:03:28,299 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 51 [2020-12-23 13:03:28,560 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2020-12-23 13:03:30,049 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-12-23 13:03:30,228 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2020-12-23 13:03:30,467 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2020-12-23 13:03:30,937 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 43 [2020-12-23 13:03:31,147 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 39 [2020-12-23 13:03:31,511 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 38 [2020-12-23 13:03:31,803 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 46 [2020-12-23 13:03:32,034 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-23 13:03:32,257 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2020-12-23 13:03:32,542 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2020-12-23 13:03:33,410 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2020-12-23 13:03:34,721 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-12-23 13:03:34,906 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 39 [2020-12-23 13:03:35,294 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2020-12-23 13:03:35,510 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 35 [2020-12-23 13:03:36,255 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 51 [2020-12-23 13:03:37,491 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 41 [2020-12-23 13:03:37,800 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 42 [2020-12-23 13:03:38,473 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-12-23 13:03:38,748 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2020-12-23 13:03:39,013 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 53 [2020-12-23 13:03:39,307 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 44 [2020-12-23 13:03:39,544 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 37 [2020-12-23 13:03:39,824 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 40 [2020-12-23 13:03:40,921 WARN L197 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-12-23 13:03:41,568 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2020-12-23 13:03:42,101 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2020-12-23 13:03:42,446 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 39 [2020-12-23 13:03:42,887 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 33 [2020-12-23 13:03:44,040 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 37 [2020-12-23 13:03:52,598 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 35 [2020-12-23 13:03:56,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:03:56,341 INFO L93 Difference]: Finished difference Result 3414 states and 6261 transitions. [2020-12-23 13:03:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 297 states. [2020-12-23 13:03:56,343 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 88 [2020-12-23 13:03:56,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:03:56,361 INFO L225 Difference]: With dead ends: 3414 [2020-12-23 13:03:56,362 INFO L226 Difference]: Without dead ends: 3414 [2020-12-23 13:03:56,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 57 SyntacticMatches, 4 SemanticMatches, 318 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48853 ImplicationChecksByTransitivity, 55.0s TimeCoverageRelationStatistics Valid=14610, Invalid=87468, Unknown=2, NotChecked=0, Total=102080 [2020-12-23 13:03:56,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3414 states. [2020-12-23 13:03:56,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3414 to 1655. [2020-12-23 13:03:56,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1655 states. [2020-12-23 13:03:56,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2979 transitions. [2020-12-23 13:03:56,442 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2979 transitions. Word has length 88 [2020-12-23 13:03:56,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:03:56,442 INFO L481 AbstractCegarLoop]: Abstraction has 1655 states and 2979 transitions. [2020-12-23 13:03:56,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-12-23 13:03:56,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2979 transitions. [2020-12-23 13:03:56,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 13:03:56,446 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:03:56,447 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:03:56,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-23 13:03:56,661 INFO L429 AbstractCegarLoop]: === Iteration 15 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:03:56,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:03:56,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1085678190, now seen corresponding path program 6 times [2020-12-23 13:03:56,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:03:56,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42547519] [2020-12-23 13:03:56,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:03:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:03:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:03:57,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42547519] [2020-12-23 13:03:57,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13941157] [2020-12-23 13:03:57,013 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE 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 13:04:13,710 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2020-12-23 13:04:13,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:04:13,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 79 conjunts are in the unsatisfiable core [2020-12-23 13:04:13,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:04:13,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:04:13,773 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:13,774 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 198 treesize of output 196 [2020-12-23 13:04:13,781 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:13,895 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-12-23 13:04:13,895 INFO L625 ElimStorePlain]: treesize reduction 26, result has 69.8 percent of original size [2020-12-23 13:04:13,901 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:13,901 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:62, output treesize:4 [2020-12-23 13:04:13,967 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-23 13:04:13,968 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:13,976 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:13,977 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:13,978 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-23 13:04:14,015 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 25 treesize of output 24 [2020-12-23 13:04:14,017 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,027 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:14,029 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 13:04:14,030 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-12-23 13:04:14,089 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:04:14,114 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:14,115 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-12-23 13:04:14,119 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,173 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-12-23 13:04:14,176 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 13:04:14,176 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-12-23 13:04:14,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:04:14,227 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-12-23 13:04:14,229 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,246 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:14,248 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,249 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-12-23 13:04:14,350 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 31 treesize of output 15 [2020-12-23 13:04:14,354 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,363 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:14,364 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,364 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-12-23 13:04:14,406 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 25 treesize of output 24 [2020-12-23 13:04:14,408 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,419 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:14,421 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 13:04:14,422 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-12-23 13:04:14,486 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:04:14,510 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:14,511 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-12-23 13:04:14,514 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,559 INFO L625 ElimStorePlain]: treesize reduction 22, result has 56.9 percent of original size [2020-12-23 13:04:14,561 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,561 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-12-23 13:04:14,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:04:14,620 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-12-23 13:04:14,622 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,639 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:14,642 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,642 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-12-23 13:04:14,718 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 34 treesize of output 18 [2020-12-23 13:04:14,720 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,731 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:14,732 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,733 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-12-23 13:04:14,782 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 25 treesize of output 24 [2020-12-23 13:04:14,784 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,795 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:14,798 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:14,798 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-12-23 13:04:14,893 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:04:14,944 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:14,944 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 99 [2020-12-23 13:04:14,946 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 13:04:14,947 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 13:04:14,952 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:15,006 INFO L625 ElimStorePlain]: treesize reduction 98, result has 25.2 percent of original size [2020-12-23 13:04:15,009 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 13:04:15,009 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:13 [2020-12-23 13:04:15,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:04:15,065 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 25 treesize of output 24 [2020-12-23 13:04:15,067 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:15,079 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:15,081 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:15,081 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:13 [2020-12-23 13:04:15,175 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 164 proven. 23 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-12-23 13:04:15,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:04:15,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 27 [2020-12-23 13:04:15,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792733115] [2020-12-23 13:04:15,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-12-23 13:04:15,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:04:15,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-12-23 13:04:15,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2020-12-23 13:04:15,178 INFO L87 Difference]: Start difference. First operand 1655 states and 2979 transitions. Second operand 27 states. [2020-12-23 13:04:23,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:04:23,434 INFO L93 Difference]: Finished difference Result 1913 states and 3486 transitions. [2020-12-23 13:04:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2020-12-23 13:04:23,436 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 96 [2020-12-23 13:04:23,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:04:23,446 INFO L225 Difference]: With dead ends: 1913 [2020-12-23 13:04:23,446 INFO L226 Difference]: Without dead ends: 1913 [2020-12-23 13:04:23,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5458 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=3061, Invalid=10981, Unknown=0, NotChecked=0, Total=14042 [2020-12-23 13:04:23,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2020-12-23 13:04:23,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1333. [2020-12-23 13:04:23,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1333 states. [2020-12-23 13:04:23,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 2421 transitions. [2020-12-23 13:04:23,488 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 2421 transitions. Word has length 96 [2020-12-23 13:04:23,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:04:23,489 INFO L481 AbstractCegarLoop]: Abstraction has 1333 states and 2421 transitions. [2020-12-23 13:04:23,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-12-23 13:04:23,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 2421 transitions. [2020-12-23 13:04:23,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 13:04:23,492 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:04:23,493 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 8, 8, 8, 8, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:04:23,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-23 13:04:23,695 INFO L429 AbstractCegarLoop]: === Iteration 16 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:04:23,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:04:23,696 INFO L82 PathProgramCache]: Analyzing trace with hash 676179100, now seen corresponding path program 7 times [2020-12-23 13:04:23,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:04:23,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399486553] [2020-12-23 13:04:23,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:04:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:04:24,063 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:04:24,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399486553] [2020-12-23 13:04:24,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118149243] [2020-12-23 13:04:24,064 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:04:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:04:24,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-23 13:04:24,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:04:24,612 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:04:24,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:04:24,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2020-12-23 13:04:24,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744723193] [2020-12-23 13:04:24,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 13:04:24,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:04:24,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 13:04:24,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2020-12-23 13:04:24,615 INFO L87 Difference]: Start difference. First operand 1333 states and 2421 transitions. Second operand 15 states. [2020-12-23 13:04:24,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:04:24,812 INFO L93 Difference]: Finished difference Result 1565 states and 2835 transitions. [2020-12-23 13:04:24,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 13:04:24,814 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 105 [2020-12-23 13:04:24,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:04:24,821 INFO L225 Difference]: With dead ends: 1565 [2020-12-23 13:04:24,821 INFO L226 Difference]: Without dead ends: 1565 [2020-12-23 13:04:24,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2020-12-23 13:04:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2020-12-23 13:04:24,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1457. [2020-12-23 13:04:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1457 states. [2020-12-23 13:04:24,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2642 transitions. [2020-12-23 13:04:24,854 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2642 transitions. Word has length 105 [2020-12-23 13:04:24,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:04:24,855 INFO L481 AbstractCegarLoop]: Abstraction has 1457 states and 2642 transitions. [2020-12-23 13:04:24,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 13:04:24,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2642 transitions. [2020-12-23 13:04:24,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-23 13:04:24,859 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:04:24,859 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 8, 8, 8, 8, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:04:25,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-23 13:04:25,073 INFO L429 AbstractCegarLoop]: === Iteration 17 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:04:25,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:04:25,074 INFO L82 PathProgramCache]: Analyzing trace with hash 2128225292, now seen corresponding path program 8 times [2020-12-23 13:04:25,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:04:25,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546507831] [2020-12-23 13:04:25,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:04:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:04:25,482 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:04:25,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546507831] [2020-12-23 13:04:25,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740259952] [2020-12-23 13:04:25,483 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:04:25,778 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 13:04:25,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:04:25,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 13:04:25,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:04:26,086 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:04:26,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:04:26,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2020-12-23 13:04:26,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927320377] [2020-12-23 13:04:26,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-23 13:04:26,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:04:26,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-23 13:04:26,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-12-23 13:04:26,088 INFO L87 Difference]: Start difference. First operand 1457 states and 2642 transitions. Second operand 16 states. [2020-12-23 13:04:26,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:04:26,288 INFO L93 Difference]: Finished difference Result 1689 states and 3056 transitions. [2020-12-23 13:04:26,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 13:04:26,289 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 112 [2020-12-23 13:04:26,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:04:26,296 INFO L225 Difference]: With dead ends: 1689 [2020-12-23 13:04:26,296 INFO L226 Difference]: Without dead ends: 1689 [2020-12-23 13:04:26,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-12-23 13:04:26,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2020-12-23 13:04:26,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1581. [2020-12-23 13:04:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1581 states. [2020-12-23 13:04:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2863 transitions. [2020-12-23 13:04:26,335 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2863 transitions. Word has length 112 [2020-12-23 13:04:26,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:04:26,336 INFO L481 AbstractCegarLoop]: Abstraction has 1581 states and 2863 transitions. [2020-12-23 13:04:26,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-23 13:04:26,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2863 transitions. [2020-12-23 13:04:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 13:04:26,341 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:04:26,341 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 9, 9, 9, 9, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:04:26,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:04:26,557 INFO L429 AbstractCegarLoop]: === Iteration 18 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:04:26,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:04:26,558 INFO L82 PathProgramCache]: Analyzing trace with hash 146654221, now seen corresponding path program 9 times [2020-12-23 13:04:26,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:04:26,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060928537] [2020-12-23 13:04:26,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:04:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:04:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:04:27,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060928537] [2020-12-23 13:04:27,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58970261] [2020-12-23 13:04:27,020 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:04:31,921 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2020-12-23 13:04:31,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:04:31,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 91 conjunts are in the unsatisfiable core [2020-12-23 13:04:31,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:04:31,953 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 143 treesize of output 141 [2020-12-23 13:04:31,958 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:32,028 INFO L625 ElimStorePlain]: treesize reduction 26, result has 49.0 percent of original size [2020-12-23 13:04:32,035 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:32,036 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:26, output treesize:4 [2020-12-23 13:04:32,226 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-23 13:04:32,229 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:32,237 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:32,239 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:32,239 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-12-23 13:04:32,297 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 25 treesize of output 24 [2020-12-23 13:04:32,300 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:32,312 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:32,315 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 13:04:32,316 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-12-23 13:04:32,393 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:04:32,424 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:32,424 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-12-23 13:04:32,427 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:32,494 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-12-23 13:04:32,497 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 13:04:32,498 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-12-23 13:04:32,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:04:32,567 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-12-23 13:04:32,569 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:32,592 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:32,598 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:32,598 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-12-23 13:04:32,721 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 31 treesize of output 15 [2020-12-23 13:04:32,722 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:32,731 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:32,733 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:32,733 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-12-23 13:04:32,787 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 25 treesize of output 24 [2020-12-23 13:04:32,790 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:32,807 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:32,810 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 13:04:32,810 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-12-23 13:04:32,897 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:04:32,928 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:32,929 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-12-23 13:04:32,932 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:32,992 INFO L625 ElimStorePlain]: treesize reduction 22, result has 56.9 percent of original size [2020-12-23 13:04:32,996 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:32,996 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-12-23 13:04:33,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:04:33,084 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-12-23 13:04:33,087 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:33,112 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:33,115 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:33,115 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-12-23 13:04:33,258 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 31 treesize of output 15 [2020-12-23 13:04:33,261 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:33,273 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:33,274 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:33,275 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-12-23 13:04:33,345 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 25 treesize of output 24 [2020-12-23 13:04:33,348 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:33,364 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:33,367 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 13:04:33,368 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-12-23 13:04:33,460 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 13:04:33,495 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:33,496 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-12-23 13:04:33,499 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:33,554 INFO L625 ElimStorePlain]: treesize reduction 22, result has 56.9 percent of original size [2020-12-23 13:04:33,557 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:33,558 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-12-23 13:04:33,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 13:04:33,643 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-12-23 13:04:33,645 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:33,668 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:33,670 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:33,671 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-12-23 13:04:33,812 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 31 treesize of output 15 [2020-12-23 13:04:33,814 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:33,824 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:33,825 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:33,826 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-12-23 13:04:33,893 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 25 treesize of output 24 [2020-12-23 13:04:33,896 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:33,909 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:33,912 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:33,913 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-12-23 13:04:34,054 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:34,055 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 49 [2020-12-23 13:04:34,057 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:34,066 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:34,068 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:34,069 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:9 [2020-12-23 13:04:34,145 INFO L348 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-12-23 13:04:34,145 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-12-23 13:04:34,148 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 13:04:34,157 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 13:04:34,160 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 13:04:34,160 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-12-23 13:04:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 244 proven. 84 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-12-23 13:04:34,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:04:34,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19] total 34 [2020-12-23 13:04:34,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095821278] [2020-12-23 13:04:34,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-12-23 13:04:34,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:04:34,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-12-23 13:04:34,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=926, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 13:04:34,244 INFO L87 Difference]: Start difference. First operand 1581 states and 2863 transitions. Second operand 34 states. [2020-12-23 13:04:48,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:04:48,892 INFO L93 Difference]: Finished difference Result 2746 states and 4976 transitions. [2020-12-23 13:04:48,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2020-12-23 13:04:48,894 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 120 [2020-12-23 13:04:48,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:04:48,907 INFO L225 Difference]: With dead ends: 2746 [2020-12-23 13:04:48,907 INFO L226 Difference]: Without dead ends: 2746 [2020-12-23 13:04:48,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 100 SyntacticMatches, 3 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13337 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=4397, Invalid=28909, Unknown=0, NotChecked=0, Total=33306 [2020-12-23 13:04:48,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2746 states. [2020-12-23 13:04:48,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2746 to 2051. [2020-12-23 13:04:48,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2051 states. [2020-12-23 13:04:48,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 2051 states and 3690 transitions. [2020-12-23 13:04:48,959 INFO L78 Accepts]: Start accepts. Automaton has 2051 states and 3690 transitions. Word has length 120 [2020-12-23 13:04:48,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:04:48,959 INFO L481 AbstractCegarLoop]: Abstraction has 2051 states and 3690 transitions. [2020-12-23 13:04:48,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-12-23 13:04:48,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2051 states and 3690 transitions. [2020-12-23 13:04:48,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-12-23 13:04:48,965 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:04:48,965 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 10, 10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:04:49,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-23 13:04:49,180 INFO L429 AbstractCegarLoop]: === Iteration 19 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:04:49,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:04:49,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1277104044, now seen corresponding path program 10 times [2020-12-23 13:04:49,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:04:49,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397067288] [2020-12-23 13:04:49,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:04:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:04:49,620 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:04:49,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397067288] [2020-12-23 13:04:49,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798208038] [2020-12-23 13:04:49,621 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:48,587 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 13:05:48,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 13:05:48,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-23 13:05:48,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 13:05:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:48,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 13:05:48,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2020-12-23 13:05:48,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803795516] [2020-12-23 13:05:48,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-23 13:05:48,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:48,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-23 13:05:48,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2020-12-23 13:05:48,973 INFO L87 Difference]: Start difference. First operand 2051 states and 3690 transitions. Second operand 18 states. [2020-12-23 13:05:49,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:49,258 INFO L93 Difference]: Finished difference Result 2343 states and 4209 transitions. [2020-12-23 13:05:49,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 13:05:49,260 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 128 [2020-12-23 13:05:49,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:49,273 INFO L225 Difference]: With dead ends: 2343 [2020-12-23 13:05:49,273 INFO L226 Difference]: Without dead ends: 2343 [2020-12-23 13:05:49,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2020-12-23 13:05:49,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2343 states. [2020-12-23 13:05:49,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2343 to 2207. [2020-12-23 13:05:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2207 states. [2020-12-23 13:05:49,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 2207 states and 3967 transitions. [2020-12-23 13:05:49,324 INFO L78 Accepts]: Start accepts. Automaton has 2207 states and 3967 transitions. Word has length 128 [2020-12-23 13:05:49,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:49,324 INFO L481 AbstractCegarLoop]: Abstraction has 2207 states and 3967 transitions. [2020-12-23 13:05:49,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-23 13:05:49,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 3967 transitions. [2020-12-23 13:05:49,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-23 13:05:49,331 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:49,331 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 11, 11, 11, 11, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:49,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 13:05:49,544 INFO L429 AbstractCegarLoop]: === Iteration 20 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:49,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:49,545 INFO L82 PathProgramCache]: Analyzing trace with hash 430498413, now seen corresponding path program 11 times [2020-12-23 13:05:49,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:49,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729981162] [2020-12-23 13:05:49,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:50,068 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:50,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729981162] [2020-12-23 13:05:50,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100964322] [2020-12-23 13:05:50,069 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true