/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/systemc/transmitter.01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:36:13,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:36:13,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:36:13,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:36:13,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:36:13,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:36:13,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:36:13,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:36:13,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:36:13,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:36:13,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:36:13,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:36:13,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:36:13,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:36:13,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:36:13,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:36:13,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:36:13,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:36:13,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:36:13,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:36:13,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:36:13,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:36:13,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:36:13,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:36:13,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:36:13,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:36:13,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:36:13,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:36:13,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:36:13,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:36:13,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:36:13,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:36:13,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:36:13,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:36:13,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:36:13,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:36:13,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:36:13,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:36:13,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:36:13,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:36:13,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:36:13,812 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 09:36:13,841 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:36:13,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:36:13,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:36:13,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:36:13,844 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:36:13,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:36:13,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:36:13,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:36:13,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:36:13,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:36:13,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:36:13,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:36:13,846 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:36:13,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:36:13,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:36:13,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:36:13,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:36:13,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:36:13,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:36:13,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:36:13,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:36:13,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:36:13,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:36:13,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:36:13,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:36:13,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:36:14,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:36:14,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:36:14,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:36:14,245 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:36:14,246 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:36:14,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.01.cil.c [2020-12-23 09:36:14,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4e6ff75eb/ff3aba32b2da422bb5ae1414e9a698a2/FLAGd617cc21c [2020-12-23 09:36:15,065 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:36:15,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.01.cil.c [2020-12-23 09:36:15,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4e6ff75eb/ff3aba32b2da422bb5ae1414e9a698a2/FLAGd617cc21c [2020-12-23 09:36:15,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4e6ff75eb/ff3aba32b2da422bb5ae1414e9a698a2 [2020-12-23 09:36:15,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:36:15,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:36:15,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:36:15,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:36:15,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:36:15,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:36:15" (1/1) ... [2020-12-23 09:36:15,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@208ccdf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:15, skipping insertion in model container [2020-12-23 09:36:15,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:36:15" (1/1) ... [2020-12-23 09:36:15,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:36:15,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 09:36:15,343 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/systemc/transmitter.01.cil.c[401,414] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__retres1~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~1,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~1,] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__retres1~2,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~2,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_1~0,] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_2~0,] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T1_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T1_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T1_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__retres2~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres2~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~3,] [2020-12-23 09:36:15,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:36:15,495 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 09:36:15,517 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/systemc/transmitter.01.cil.c[401,414] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_pc~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__retres1~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~1,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~1,] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__retres1~2,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~2,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_1~0,] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp_ndt_2~0,] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T1_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T1_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~m_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~t1_st~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~M_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~T1_E~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~E_1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~t1_i~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__retres2~0,] left hand side expression in assignment: lhs: VariableLHS[~__retres2~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~kernel_st~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__retres1~3,] [2020-12-23 09:36:15,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:36:15,625 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:36:15,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:15 WrapperNode [2020-12-23 09:36:15,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:36:15,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:36:15,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:36:15,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:36:15,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:15" (1/1) ... [2020-12-23 09:36:15,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:15" (1/1) ... [2020-12-23 09:36:15,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:36:15,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:36:15,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:36:15,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:36:15,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:15" (1/1) ... [2020-12-23 09:36:15,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:15" (1/1) ... [2020-12-23 09:36:15,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:15" (1/1) ... [2020-12-23 09:36:15,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:15" (1/1) ... [2020-12-23 09:36:15,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:15" (1/1) ... [2020-12-23 09:36:15,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:15" (1/1) ... [2020-12-23 09:36:15,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:15" (1/1) ... [2020-12-23 09:36:15,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:36:15,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:36:15,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:36:15,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:36:15,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:15" (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 09:36:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:36:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:36:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:36:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:36:16,755 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:36:16,755 INFO L299 CfgBuilder]: Removed 73 assume(true) statements. [2020-12-23 09:36:16,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:36:16 BoogieIcfgContainer [2020-12-23 09:36:16,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:36:16,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:36:16,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:36:16,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:36:16,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:36:15" (1/3) ... [2020-12-23 09:36:16,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd5dcb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:36:16, skipping insertion in model container [2020-12-23 09:36:16,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:36:15" (2/3) ... [2020-12-23 09:36:16,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd5dcb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:36:16, skipping insertion in model container [2020-12-23 09:36:16,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:36:16" (3/3) ... [2020-12-23 09:36:16,767 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.01.cil.c [2020-12-23 09:36:16,774 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:36:16,778 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 09:36:16,797 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 09:36:16,825 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:36:16,826 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:36:16,826 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:36:16,826 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:36:16,826 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:36:16,826 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:36:16,827 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:36:16,827 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:36:16,845 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2020-12-23 09:36:16,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 09:36:16,853 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:36:16,854 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:36:16,854 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:36:16,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:36:16,861 INFO L82 PathProgramCache]: Analyzing trace with hash 827300887, now seen corresponding path program 1 times [2020-12-23 09:36:16,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:36:16,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260469858] [2020-12-23 09:36:16,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:36:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:36:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:36:17,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260469858] [2020-12-23 09:36:17,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:36:17,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:36:17,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37271664] [2020-12-23 09:36:17,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:36:17,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:36:17,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:36:17,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:36:17,099 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 3 states. [2020-12-23 09:36:17,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:36:17,167 INFO L93 Difference]: Finished difference Result 239 states and 373 transitions. [2020-12-23 09:36:17,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:36:17,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-12-23 09:36:17,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:36:17,182 INFO L225 Difference]: With dead ends: 239 [2020-12-23 09:36:17,182 INFO L226 Difference]: Without dead ends: 118 [2020-12-23 09:36:17,190 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 09:36:17,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-12-23 09:36:17,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-12-23 09:36:17,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-23 09:36:17,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 174 transitions. [2020-12-23 09:36:17,245 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 174 transitions. Word has length 37 [2020-12-23 09:36:17,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:36:17,245 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 174 transitions. [2020-12-23 09:36:17,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:36:17,246 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 174 transitions. [2020-12-23 09:36:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 09:36:17,247 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:36:17,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:36:17,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:36:17,248 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:36:17,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:36:17,249 INFO L82 PathProgramCache]: Analyzing trace with hash 899687445, now seen corresponding path program 1 times [2020-12-23 09:36:17,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:36:17,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828851972] [2020-12-23 09:36:17,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:36:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:36:17,309 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 09:36:17,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828851972] [2020-12-23 09:36:17,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:36:17,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:36:17,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489957047] [2020-12-23 09:36:17,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:36:17,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:36:17,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:36:17,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:36:17,315 INFO L87 Difference]: Start difference. First operand 118 states and 174 transitions. Second operand 3 states. [2020-12-23 09:36:17,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:36:17,468 INFO L93 Difference]: Finished difference Result 308 states and 454 transitions. [2020-12-23 09:36:17,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:36:17,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-12-23 09:36:17,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:36:17,472 INFO L225 Difference]: With dead ends: 308 [2020-12-23 09:36:17,472 INFO L226 Difference]: Without dead ends: 196 [2020-12-23 09:36:17,474 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 09:36:17,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-12-23 09:36:17,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 194. [2020-12-23 09:36:17,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-12-23 09:36:17,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 280 transitions. [2020-12-23 09:36:17,518 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 280 transitions. Word has length 37 [2020-12-23 09:36:17,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:36:17,519 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 280 transitions. [2020-12-23 09:36:17,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:36:17,522 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 280 transitions. [2020-12-23 09:36:17,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 09:36:17,524 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:36:17,524 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:36:17,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:36:17,525 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:36:17,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:36:17,527 INFO L82 PathProgramCache]: Analyzing trace with hash -413900843, now seen corresponding path program 1 times [2020-12-23 09:36:17,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:36:17,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839791037] [2020-12-23 09:36:17,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:36:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:36:17,631 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 09:36:17,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839791037] [2020-12-23 09:36:17,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:36:17,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:36:17,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123624581] [2020-12-23 09:36:17,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:36:17,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:36:17,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:36:17,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:36:17,642 INFO L87 Difference]: Start difference. First operand 194 states and 280 transitions. Second operand 3 states. [2020-12-23 09:36:17,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:36:17,699 INFO L93 Difference]: Finished difference Result 381 states and 551 transitions. [2020-12-23 09:36:17,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:36:17,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-12-23 09:36:17,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:36:17,704 INFO L225 Difference]: With dead ends: 381 [2020-12-23 09:36:17,704 INFO L226 Difference]: Without dead ends: 194 [2020-12-23 09:36:17,709 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 09:36:17,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-12-23 09:36:17,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2020-12-23 09:36:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-12-23 09:36:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 272 transitions. [2020-12-23 09:36:17,748 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 272 transitions. Word has length 37 [2020-12-23 09:36:17,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:36:17,748 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 272 transitions. [2020-12-23 09:36:17,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:36:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 272 transitions. [2020-12-23 09:36:17,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 09:36:17,750 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:36:17,750 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:36:17,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:36:17,751 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:36:17,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:36:17,752 INFO L82 PathProgramCache]: Analyzing trace with hash -733369323, now seen corresponding path program 1 times [2020-12-23 09:36:17,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:36:17,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638498620] [2020-12-23 09:36:17,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:36:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:36:17,804 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 09:36:17,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638498620] [2020-12-23 09:36:17,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:36:17,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:36:17,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315550658] [2020-12-23 09:36:17,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:36:17,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:36:17,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:36:17,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:36:17,807 INFO L87 Difference]: Start difference. First operand 194 states and 272 transitions. Second operand 3 states. [2020-12-23 09:36:17,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:36:17,874 INFO L93 Difference]: Finished difference Result 380 states and 534 transitions. [2020-12-23 09:36:17,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:36:17,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-12-23 09:36:17,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:36:17,877 INFO L225 Difference]: With dead ends: 380 [2020-12-23 09:36:17,877 INFO L226 Difference]: Without dead ends: 194 [2020-12-23 09:36:17,878 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 09:36:17,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-12-23 09:36:17,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2020-12-23 09:36:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-12-23 09:36:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 260 transitions. [2020-12-23 09:36:17,893 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 260 transitions. Word has length 37 [2020-12-23 09:36:17,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:36:17,893 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 260 transitions. [2020-12-23 09:36:17,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:36:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 260 transitions. [2020-12-23 09:36:17,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 09:36:17,895 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:36:17,895 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:36:17,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:36:17,896 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:36:17,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:36:17,896 INFO L82 PathProgramCache]: Analyzing trace with hash -2103987404, now seen corresponding path program 1 times [2020-12-23 09:36:17,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:36:17,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271021223] [2020-12-23 09:36:17,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:36:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:36:17,965 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 09:36:17,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271021223] [2020-12-23 09:36:17,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:36:17,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:36:17,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881888201] [2020-12-23 09:36:17,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:36:17,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:36:17,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:36:17,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:36:17,968 INFO L87 Difference]: Start difference. First operand 194 states and 260 transitions. Second operand 5 states. [2020-12-23 09:36:18,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:36:18,182 INFO L93 Difference]: Finished difference Result 628 states and 846 transitions. [2020-12-23 09:36:18,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:36:18,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-12-23 09:36:18,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:36:18,186 INFO L225 Difference]: With dead ends: 628 [2020-12-23 09:36:18,186 INFO L226 Difference]: Without dead ends: 449 [2020-12-23 09:36:18,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:36:18,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-12-23 09:36:18,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 203. [2020-12-23 09:36:18,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-12-23 09:36:18,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 266 transitions. [2020-12-23 09:36:18,205 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 266 transitions. Word has length 37 [2020-12-23 09:36:18,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:36:18,205 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 266 transitions. [2020-12-23 09:36:18,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:36:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 266 transitions. [2020-12-23 09:36:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 09:36:18,207 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:36:18,207 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:36:18,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:36:18,207 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:36:18,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:36:18,208 INFO L82 PathProgramCache]: Analyzing trace with hash 2056966386, now seen corresponding path program 1 times [2020-12-23 09:36:18,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:36:18,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729735648] [2020-12-23 09:36:18,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:36:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:36:18,266 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 09:36:18,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729735648] [2020-12-23 09:36:18,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:36:18,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:36:18,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380889797] [2020-12-23 09:36:18,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:36:18,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:36:18,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:36:18,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:36:18,270 INFO L87 Difference]: Start difference. First operand 203 states and 266 transitions. Second operand 5 states. [2020-12-23 09:36:18,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:36:18,412 INFO L93 Difference]: Finished difference Result 540 states and 716 transitions. [2020-12-23 09:36:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:36:18,413 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-12-23 09:36:18,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:36:18,416 INFO L225 Difference]: With dead ends: 540 [2020-12-23 09:36:18,416 INFO L226 Difference]: Without dead ends: 359 [2020-12-23 09:36:18,417 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:36:18,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-12-23 09:36:18,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 209. [2020-12-23 09:36:18,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-12-23 09:36:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 268 transitions. [2020-12-23 09:36:18,439 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 268 transitions. Word has length 37 [2020-12-23 09:36:18,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:36:18,439 INFO L481 AbstractCegarLoop]: Abstraction has 209 states and 268 transitions. [2020-12-23 09:36:18,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:36:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 268 transitions. [2020-12-23 09:36:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 09:36:18,440 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:36:18,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:36:18,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:36:18,441 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:36:18,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:36:18,441 INFO L82 PathProgramCache]: Analyzing trace with hash 62821680, now seen corresponding path program 1 times [2020-12-23 09:36:18,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:36:18,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282510926] [2020-12-23 09:36:18,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:36:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:36:18,491 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 09:36:18,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282510926] [2020-12-23 09:36:18,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:36:18,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:36:18,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76734802] [2020-12-23 09:36:18,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:36:18,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:36:18,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:36:18,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:36:18,494 INFO L87 Difference]: Start difference. First operand 209 states and 268 transitions. Second operand 3 states. [2020-12-23 09:36:18,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:36:18,580 INFO L93 Difference]: Finished difference Result 554 states and 708 transitions. [2020-12-23 09:36:18,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:36:18,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-12-23 09:36:18,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:36:18,584 INFO L225 Difference]: With dead ends: 554 [2020-12-23 09:36:18,584 INFO L226 Difference]: Without dead ends: 370 [2020-12-23 09:36:18,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:36:18,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-12-23 09:36:18,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 355. [2020-12-23 09:36:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2020-12-23 09:36:18,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 443 transitions. [2020-12-23 09:36:18,618 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 443 transitions. Word has length 37 [2020-12-23 09:36:18,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:36:18,618 INFO L481 AbstractCegarLoop]: Abstraction has 355 states and 443 transitions. [2020-12-23 09:36:18,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:36:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 443 transitions. [2020-12-23 09:36:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-23 09:36:18,619 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:36:18,619 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:36:18,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:36:18,620 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:36:18,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:36:18,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1851829351, now seen corresponding path program 1 times [2020-12-23 09:36:18,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:36:18,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667474797] [2020-12-23 09:36:18,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:36:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:36:18,688 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 09:36:18,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667474797] [2020-12-23 09:36:18,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:36:18,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:36:18,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034087741] [2020-12-23 09:36:18,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:36:18,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:36:18,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:36:18,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:36:18,691 INFO L87 Difference]: Start difference. First operand 355 states and 443 transitions. Second operand 3 states. [2020-12-23 09:36:18,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:36:18,814 INFO L93 Difference]: Finished difference Result 967 states and 1214 transitions. [2020-12-23 09:36:18,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:36:18,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-12-23 09:36:18,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:36:18,820 INFO L225 Difference]: With dead ends: 967 [2020-12-23 09:36:18,820 INFO L226 Difference]: Without dead ends: 642 [2020-12-23 09:36:18,821 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 09:36:18,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2020-12-23 09:36:18,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 634. [2020-12-23 09:36:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-12-23 09:36:18,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 784 transitions. [2020-12-23 09:36:18,933 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 784 transitions. Word has length 38 [2020-12-23 09:36:18,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:36:18,936 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 784 transitions. [2020-12-23 09:36:18,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:36:18,936 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 784 transitions. [2020-12-23 09:36:18,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 09:36:18,938 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:36:18,938 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:36:18,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:36:18,939 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:36:18,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:36:18,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1992530247, now seen corresponding path program 1 times [2020-12-23 09:36:18,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:36:18,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387271507] [2020-12-23 09:36:18,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:36:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:36:19,036 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:36:19,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387271507] [2020-12-23 09:36:19,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:36:19,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:36:19,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063352099] [2020-12-23 09:36:19,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:36:19,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:36:19,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:36:19,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:36:19,039 INFO L87 Difference]: Start difference. First operand 634 states and 784 transitions. Second operand 4 states. [2020-12-23 09:36:19,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:36:19,240 INFO L93 Difference]: Finished difference Result 1784 states and 2213 transitions. [2020-12-23 09:36:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:36:19,241 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-12-23 09:36:19,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:36:19,247 INFO L225 Difference]: With dead ends: 1784 [2020-12-23 09:36:19,247 INFO L226 Difference]: Without dead ends: 921 [2020-12-23 09:36:19,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:36:19,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-12-23 09:36:19,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2020-12-23 09:36:19,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2020-12-23 09:36:19,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1123 transitions. [2020-12-23 09:36:19,346 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1123 transitions. Word has length 51 [2020-12-23 09:36:19,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:36:19,347 INFO L481 AbstractCegarLoop]: Abstraction has 921 states and 1123 transitions. [2020-12-23 09:36:19,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:36:19,347 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1123 transitions. [2020-12-23 09:36:19,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 09:36:19,348 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:36:19,348 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:36:19,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:36:19,349 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:36:19,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:36:19,349 INFO L82 PathProgramCache]: Analyzing trace with hash 680531928, now seen corresponding path program 1 times [2020-12-23 09:36:19,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:36:19,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557117179] [2020-12-23 09:36:19,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:36:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 09:36:19,369 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 09:36:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 09:36:19,385 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 09:36:19,420 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 09:36:19,421 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 09:36:19,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:36:19,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:36:19 BoogieIcfgContainer [2020-12-23 09:36:19,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:36:19,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:36:19,524 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:36:19,524 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:36:19,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:36:16" (3/4) ... [2020-12-23 09:36:19,527 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 09:36:19,665 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/systemc/transmitter.01.cil.c-witness.graphml [2020-12-23 09:36:19,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:36:19,670 INFO L168 Benchmark]: Toolchain (without parser) took 4551.58 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 125.6 MB in the beginning and 141.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 8.0 GB. [2020-12-23 09:36:19,673 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:36:19,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.82 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 112.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-23 09:36:19,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.31 ms. Allocated memory is still 151.0 MB. Free memory was 112.8 MB in the beginning and 110.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:36:19,675 INFO L168 Benchmark]: Boogie Preprocessor took 37.27 ms. Allocated memory is still 151.0 MB. Free memory was 110.4 MB in the beginning and 108.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:36:19,675 INFO L168 Benchmark]: RCFGBuilder took 993.90 ms. Allocated memory is still 151.0 MB. Free memory was 108.6 MB in the beginning and 129.4 MB in the end (delta: -20.9 MB). Peak memory consumption was 34.7 MB. Max. memory is 8.0 GB. [2020-12-23 09:36:19,676 INFO L168 Benchmark]: TraceAbstraction took 2763.49 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 128.9 MB in the beginning and 150.3 MB in the end (delta: -21.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. [2020-12-23 09:36:19,679 INFO L168 Benchmark]: Witness Printer took 141.79 ms. Allocated memory is still 187.7 MB. Free memory was 149.8 MB in the beginning and 141.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-23 09:36:19,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 510.82 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 112.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 96.31 ms. Allocated memory is still 151.0 MB. Free memory was 112.8 MB in the beginning and 110.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.27 ms. Allocated memory is still 151.0 MB. Free memory was 110.4 MB in the beginning and 108.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 993.90 ms. Allocated memory is still 151.0 MB. Free memory was 108.6 MB in the beginning and 129.4 MB in the end (delta: -20.9 MB). Peak memory consumption was 34.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2763.49 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 128.9 MB in the beginning and 150.3 MB in the end (delta: -21.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. * Witness Printer took 141.79 ms. Allocated memory is still 187.7 MB. Free memory was 149.8 MB in the beginning and 141.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int m_pc = 0; [L18] int t1_pc = 0; [L19] int m_st ; [L20] int t1_st ; [L21] int m_i ; [L22] int t1_i ; [L23] int M_E = 2; [L24] int T1_E = 2; [L25] int E_1 = 2; VAL [E_1=2, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0] [L441] int __retres1 ; [L356] m_i = 1 [L357] t1_i = 1 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L382] int kernel_st ; [L383] int tmp ; [L384] int tmp___0 ; [L388] kernel_st = 0 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L153] COND TRUE m_i == 1 [L154] m_st = 0 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L158] COND TRUE t1_i == 1 [L159] t1_st = 0 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L242] COND FALSE !(M_E == 0) VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L247] COND FALSE !(T1_E == 0) VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L252] COND FALSE !(E_1 == 0) VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L285] int tmp ; [L286] int tmp___0 ; [L104] int __retres1 ; VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L107] COND FALSE !(m_pc == 1) VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L117] __retres1 = 0 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L119] return (__retres1); VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L290] tmp = is_master_triggered() [L292] COND FALSE !(\read(tmp)) VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L123] int __retres1 ; VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L126] COND FALSE !(t1_pc == 1) VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L136] __retres1 = 0 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L138] return (__retres1); VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L298] tmp___0 = is_transmit1_triggered() [L300] COND FALSE !(\read(tmp___0)) VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L265] COND FALSE !(M_E == 1) VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L270] COND FALSE !(T1_E == 1) VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L275] COND FALSE !(E_1 == 1) VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L396] COND TRUE 1 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L399] kernel_st = 1 [L189] int tmp ; VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L193] COND TRUE 1 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L168] int __retres1 ; VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L171] COND TRUE m_st == 0 [L172] __retres1 = 1 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L184] return (__retres1); VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L196] tmp = exists_runnable_thread() [L198] COND TRUE \read(tmp) VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L203] COND TRUE m_st == 0 [L204] int tmp_ndt_1; [L205] tmp_ndt_1 = __VERIFIER_nondet_int() [L206] COND FALSE !(\read(tmp_ndt_1)) VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L217] COND TRUE t1_st == 0 [L218] int tmp_ndt_2; [L219] tmp_ndt_2 = __VERIFIER_nondet_int() [L220] COND TRUE \read(tmp_ndt_2) [L222] t1_st = 1 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1] [L74] COND TRUE t1_pc == 0 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1] [L85] COND TRUE 1 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1] [L87] t1_pc = 1 [L88] t1_st = 2 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L193] COND TRUE 1 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L168] int __retres1 ; VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L171] COND TRUE m_st == 0 [L172] __retres1 = 1 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L184] return (__retres1); VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L196] tmp = exists_runnable_thread() [L198] COND TRUE \read(tmp) VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L203] COND TRUE m_st == 0 [L204] int tmp_ndt_1; [L205] tmp_ndt_1 = __VERIFIER_nondet_int() [L206] COND TRUE \read(tmp_ndt_1) [L208] m_st = 1 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L33] COND TRUE m_pc == 0 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L44] COND TRUE 1 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L47] E_1 = 1 [L285] int tmp ; [L286] int tmp___0 ; [L104] int __retres1 ; VAL [E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L107] COND FALSE !(m_pc == 1) VAL [E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L117] __retres1 = 0 VAL [E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L119] return (__retres1); VAL [E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L290] tmp = is_master_triggered() [L292] COND FALSE !(\read(tmp)) VAL [E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L123] int __retres1 ; VAL [E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L126] COND TRUE t1_pc == 1 VAL [E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L127] COND TRUE E_1 == 1 [L128] __retres1 = 1 VAL [E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L138] return (__retres1); VAL [E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L298] tmp___0 = is_transmit1_triggered() [L300] COND TRUE \read(tmp___0) [L301] t1_st = 0 VAL [E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0] [L49] E_1 = 2 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0] [L52] COND TRUE 1 VAL [E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0] [L54] m_pc = 1 [L55] m_st = 2 VAL [E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=0] [L217] COND TRUE t1_st == 0 [L218] int tmp_ndt_2; [L219] tmp_ndt_2 = __VERIFIER_nondet_int() [L220] COND TRUE \read(tmp_ndt_2) [L222] t1_st = 1 VAL [E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1] [L74] COND FALSE !(t1_pc == 0) VAL [E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1] [L77] COND TRUE t1_pc == 1 VAL [E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1] [L13] reach_error() VAL [E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.5s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1528 SDtfs, 1813 SDslu, 1481 SDs, 0 SdLazy, 175 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=921occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 421 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 416 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 21541 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 11/11 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...