/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/nla-digbench-scaling/egcd2-ll_valuebound1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 07:38:40,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 07:38:40,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 07:38:40,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 07:38:40,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 07:38:40,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 07:38:40,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 07:38:40,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 07:38:40,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 07:38:40,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 07:38:40,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 07:38:40,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 07:38:40,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 07:38:40,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 07:38:40,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 07:38:40,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 07:38:40,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 07:38:40,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 07:38:40,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 07:38:40,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 07:38:40,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 07:38:40,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 07:38:40,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 07:38:40,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 07:38:40,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 07:38:40,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 07:38:40,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 07:38:40,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 07:38:40,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 07:38:40,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 07:38:40,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 07:38:40,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 07:38:40,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 07:38:40,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 07:38:40,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 07:38:40,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 07:38:40,195 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 07:38:40,248 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 07:38:40,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 07:38:40,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 07:38:40,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 07:38:40,251 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 07:38:40,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 07:38:40,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 07:38:40,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 07:38:40,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 07:38:40,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 07:38:40,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 07:38:40,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 07:38:40,254 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 07:38:40,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 07:38:40,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 07:38:40,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 07:38:40,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 07:38:40,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 07:38:40,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 07:38:40,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 07:38:40,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 07:38:40,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 07:38:40,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 07:38:40,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 07:38:40,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 07:38:40,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 07:38:40,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 07:38:40,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 07:38:40,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 07:38:40,753 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 07:38:40,754 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 07:38:40,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2020-12-23 07:38:40,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f7afbb2cb/6cd463f1c79a4fdcbea9174c6988b6d3/FLAG769e7b702 [2020-12-23 07:38:41,399 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 07:38:41,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2020-12-23 07:38:41,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f7afbb2cb/6cd463f1c79a4fdcbea9174c6988b6d3/FLAG769e7b702 [2020-12-23 07:38:41,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f7afbb2cb/6cd463f1c79a4fdcbea9174c6988b6d3 [2020-12-23 07:38:41,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 07:38:41,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 07:38:41,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 07:38:41,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 07:38:41,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 07:38:41,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:38:41" (1/1) ... [2020-12-23 07:38:41,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795cd187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:38:41, skipping insertion in model container [2020-12-23 07:38:41,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:38:41" (1/1) ... [2020-12-23 07:38:41,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 07:38:41,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 07:38:41,941 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/nla-digbench-scaling/egcd2-ll_valuebound1.c[490,503] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~c~0,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] left hand side expression in assignment: lhs: VariableLHS[~xy~0,] left hand side expression in assignment: lhs: VariableLHS[~yy~0,] left hand side expression in assignment: lhs: VariableLHS[~c~0,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] left hand side expression in assignment: lhs: VariableLHS[~c~0,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] [2020-12-23 07:38:41,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 07:38:41,978 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 07:38:41,991 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/nla-digbench-scaling/egcd2-ll_valuebound1.c[490,503] left hand side expression in assignment: lhs: VariableLHS[~x~0,] left hand side expression in assignment: lhs: VariableLHS[~y~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~c~0,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] left hand side expression in assignment: lhs: VariableLHS[~xy~0,] left hand side expression in assignment: lhs: VariableLHS[~yy~0,] left hand side expression in assignment: lhs: VariableLHS[~c~0,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] left hand side expression in assignment: lhs: VariableLHS[~c~0,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~b~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] [2020-12-23 07:38:42,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 07:38:42,023 INFO L208 MainTranslator]: Completed translation [2020-12-23 07:38:42,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:38:42 WrapperNode [2020-12-23 07:38:42,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 07:38:42,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 07:38:42,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 07:38:42,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 07:38:42,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:38:42" (1/1) ... [2020-12-23 07:38:42,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:38:42" (1/1) ... [2020-12-23 07:38:42,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 07:38:42,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 07:38:42,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 07:38:42,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 07:38:42,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:38:42" (1/1) ... [2020-12-23 07:38:42,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:38:42" (1/1) ... [2020-12-23 07:38:42,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:38:42" (1/1) ... [2020-12-23 07:38:42,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:38:42" (1/1) ... [2020-12-23 07:38:42,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:38:42" (1/1) ... [2020-12-23 07:38:42,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:38:42" (1/1) ... [2020-12-23 07:38:42,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:38:42" (1/1) ... [2020-12-23 07:38:42,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 07:38:42,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 07:38:42,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 07:38:42,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 07:38:42,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:38:42" (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 07:38:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 07:38:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 07:38:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 07:38:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 07:38:42,929 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 07:38:42,929 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2020-12-23 07:38:42,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:38:42 BoogieIcfgContainer [2020-12-23 07:38:42,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 07:38:42,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 07:38:42,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 07:38:42,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 07:38:42,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 07:38:41" (1/3) ... [2020-12-23 07:38:42,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e49d30c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:38:42, skipping insertion in model container [2020-12-23 07:38:42,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:38:42" (2/3) ... [2020-12-23 07:38:42,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e49d30c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:38:42, skipping insertion in model container [2020-12-23 07:38:42,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:38:42" (3/3) ... [2020-12-23 07:38:42,941 INFO L111 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound1.c [2020-12-23 07:38:42,948 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 07:38:42,954 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 07:38:42,977 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 07:38:43,005 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 07:38:43,005 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 07:38:43,005 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 07:38:43,006 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 07:38:43,006 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 07:38:43,006 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 07:38:43,006 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 07:38:43,006 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 07:38:43,024 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-12-23 07:38:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 07:38:43,030 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:38:43,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:38:43,031 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:38:43,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:38:43,038 INFO L82 PathProgramCache]: Analyzing trace with hash 823104699, now seen corresponding path program 1 times [2020-12-23 07:38:43,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:38:43,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704357846] [2020-12-23 07:38:43,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:38:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:38:43,221 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 07:38:43,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704357846] [2020-12-23 07:38:43,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:38:43,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 07:38:43,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121687747] [2020-12-23 07:38:43,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 07:38:43,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:38:43,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 07:38:43,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 07:38:43,250 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2020-12-23 07:38:43,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:38:43,274 INFO L93 Difference]: Finished difference Result 87 states and 120 transitions. [2020-12-23 07:38:43,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 07:38:43,276 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2020-12-23 07:38:43,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:38:43,286 INFO L225 Difference]: With dead ends: 87 [2020-12-23 07:38:43,286 INFO L226 Difference]: Without dead ends: 41 [2020-12-23 07:38:43,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 07:38:43,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-23 07:38:43,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-23 07:38:43,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-23 07:38:43,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2020-12-23 07:38:43,336 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 17 [2020-12-23 07:38:43,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:38:43,337 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2020-12-23 07:38:43,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 07:38:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2020-12-23 07:38:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 07:38:43,339 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:38:43,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:38:43,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 07:38:43,339 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:38:43,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:38:43,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1122121916, now seen corresponding path program 1 times [2020-12-23 07:38:43,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:38:43,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833833189] [2020-12-23 07:38:43,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:38:43,366 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:38:43,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1784163949] [2020-12-23 07:38:43,367 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 07:38:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:38:43,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-23 07:38:43,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:38:43,624 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 07:38:43,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833833189] [2020-12-23 07:38:43,625 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:38:43,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784163949] [2020-12-23 07:38:43,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:38:43,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 07:38:43,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849476213] [2020-12-23 07:38:43,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 07:38:43,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:38:43,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 07:38:43,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 07:38:43,630 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 5 states. [2020-12-23 07:38:43,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:38:43,792 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2020-12-23 07:38:43,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 07:38:43,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-12-23 07:38:43,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:38:43,795 INFO L225 Difference]: With dead ends: 69 [2020-12-23 07:38:43,795 INFO L226 Difference]: Without dead ends: 61 [2020-12-23 07:38:43,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 07:38:43,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-12-23 07:38:43,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 43. [2020-12-23 07:38:43,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-23 07:38:43,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2020-12-23 07:38:43,806 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 18 [2020-12-23 07:38:43,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:38:43,806 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2020-12-23 07:38:43,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 07:38:43,806 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2020-12-23 07:38:43,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-23 07:38:43,807 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:38:43,807 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:38:44,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-23 07:38:44,021 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:38:44,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:38:44,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1122125890, now seen corresponding path program 1 times [2020-12-23 07:38:44,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:38:44,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495103080] [2020-12-23 07:38:44,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:38:44,046 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:38:44,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545882424] [2020-12-23 07:38:44,046 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 07:38:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:38:44,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-23 07:38:44,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:38:44,192 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 07:38:44,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495103080] [2020-12-23 07:38:44,192 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:38:44,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545882424] [2020-12-23 07:38:44,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:38:44,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 07:38:44,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359783304] [2020-12-23 07:38:44,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 07:38:44,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:38:44,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 07:38:44,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-23 07:38:44,195 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 8 states. [2020-12-23 07:38:44,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:38:44,474 INFO L93 Difference]: Finished difference Result 79 states and 82 transitions. [2020-12-23 07:38:44,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 07:38:44,475 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-12-23 07:38:44,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:38:44,477 INFO L225 Difference]: With dead ends: 79 [2020-12-23 07:38:44,477 INFO L226 Difference]: Without dead ends: 77 [2020-12-23 07:38:44,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-12-23 07:38:44,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-12-23 07:38:44,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 45. [2020-12-23 07:38:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-23 07:38:44,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2020-12-23 07:38:44,487 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 18 [2020-12-23 07:38:44,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:38:44,488 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2020-12-23 07:38:44,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 07:38:44,488 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2020-12-23 07:38:44,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-23 07:38:44,489 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:38:44,489 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] [2020-12-23 07:38:44,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:38:44,703 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:38:44,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:38:44,705 INFO L82 PathProgramCache]: Analyzing trace with hash 326346277, now seen corresponding path program 1 times [2020-12-23 07:38:44,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:38:44,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493717175] [2020-12-23 07:38:44,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:38:44,739 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:38:44,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [961552522] [2020-12-23 07:38:44,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:38:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:38:44,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 32 conjunts are in the unsatisfiable core [2020-12-23 07:38:44,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:38:45,087 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 07:38:45,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493717175] [2020-12-23 07:38:45,088 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:38:45,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961552522] [2020-12-23 07:38:45,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:38:45,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 07:38:45,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074956530] [2020-12-23 07:38:45,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 07:38:45,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:38:45,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 07:38:45,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-12-23 07:38:45,091 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 12 states. [2020-12-23 07:38:45,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:38:45,525 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2020-12-23 07:38:45,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 07:38:45,526 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 20 [2020-12-23 07:38:45,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:38:45,527 INFO L225 Difference]: With dead ends: 63 [2020-12-23 07:38:45,527 INFO L226 Difference]: Without dead ends: 61 [2020-12-23 07:38:45,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2020-12-23 07:38:45,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-12-23 07:38:45,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 54. [2020-12-23 07:38:45,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-12-23 07:38:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2020-12-23 07:38:45,537 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 20 [2020-12-23 07:38:45,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:38:45,537 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2020-12-23 07:38:45,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 07:38:45,537 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2020-12-23 07:38:45,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 07:38:45,538 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:38:45,538 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] [2020-12-23 07:38:45,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:38:45,753 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:38:45,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:38:45,753 INFO L82 PathProgramCache]: Analyzing trace with hash 86317224, now seen corresponding path program 1 times [2020-12-23 07:38:45,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:38:45,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169861889] [2020-12-23 07:38:45,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:38:45,773 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:38:45,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1944275232] [2020-12-23 07:38:45,774 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 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 07:38:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:38:45,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 32 conjunts are in the unsatisfiable core [2020-12-23 07:38:45,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:38:46,071 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 07:38:46,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169861889] [2020-12-23 07:38:46,072 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:38:46,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944275232] [2020-12-23 07:38:46,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:38:46,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 07:38:46,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652368277] [2020-12-23 07:38:46,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 07:38:46,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:38:46,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 07:38:46,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-12-23 07:38:46,075 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 12 states. [2020-12-23 07:38:46,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:38:46,504 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2020-12-23 07:38:46,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 07:38:46,505 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-12-23 07:38:46,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:38:46,506 INFO L225 Difference]: With dead ends: 61 [2020-12-23 07:38:46,506 INFO L226 Difference]: Without dead ends: 59 [2020-12-23 07:38:46,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2020-12-23 07:38:46,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-12-23 07:38:46,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 54. [2020-12-23 07:38:46,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-12-23 07:38:46,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2020-12-23 07:38:46,516 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 22 [2020-12-23 07:38:46,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:38:46,516 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2020-12-23 07:38:46,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 07:38:46,516 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2020-12-23 07:38:46,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-23 07:38:46,517 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:38:46,517 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] [2020-12-23 07:38:46,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:38:46,731 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:38:46,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:38:46,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1346631627, now seen corresponding path program 1 times [2020-12-23 07:38:46,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:38:46,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210290061] [2020-12-23 07:38:46,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:38:46,749 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:38:46,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1679715887] [2020-12-23 07:38:46,749 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 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 07:38:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:38:46,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 39 conjunts are in the unsatisfiable core [2020-12-23 07:38:46,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:38:47,138 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 07:38:47,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210290061] [2020-12-23 07:38:47,139 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:38:47,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679715887] [2020-12-23 07:38:47,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:38:47,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-23 07:38:47,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834668460] [2020-12-23 07:38:47,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 07:38:47,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:38:47,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 07:38:47,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-12-23 07:38:47,142 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 13 states. [2020-12-23 07:38:47,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:38:47,731 INFO L93 Difference]: Finished difference Result 63 states and 66 transitions. [2020-12-23 07:38:47,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 07:38:47,732 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2020-12-23 07:38:47,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:38:47,733 INFO L225 Difference]: With dead ends: 63 [2020-12-23 07:38:47,733 INFO L226 Difference]: Without dead ends: 61 [2020-12-23 07:38:47,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2020-12-23 07:38:47,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-12-23 07:38:47,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 54. [2020-12-23 07:38:47,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-12-23 07:38:47,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2020-12-23 07:38:47,743 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 24 [2020-12-23 07:38:47,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:38:47,743 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2020-12-23 07:38:47,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 07:38:47,743 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2020-12-23 07:38:47,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-23 07:38:47,744 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:38:47,744 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:38:47,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-23 07:38:47,960 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:38:47,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:38:47,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1781730828, now seen corresponding path program 1 times [2020-12-23 07:38:47,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:38:47,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010851897] [2020-12-23 07:38:47,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:38:47,976 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:38:47,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875567106] [2020-12-23 07:38:47,977 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 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 07:38:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:38:48,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 33 conjunts are in the unsatisfiable core [2020-12-23 07:38:48,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:38:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:38:48,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010851897] [2020-12-23 07:38:48,213 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:38:48,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875567106] [2020-12-23 07:38:48,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:38:48,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-12-23 07:38:48,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136229203] [2020-12-23 07:38:48,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 07:38:48,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:38:48,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 07:38:48,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-12-23 07:38:48,215 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand 11 states. [2020-12-23 07:38:48,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:38:48,956 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2020-12-23 07:38:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 07:38:48,957 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2020-12-23 07:38:48,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:38:48,959 INFO L225 Difference]: With dead ends: 77 [2020-12-23 07:38:48,959 INFO L226 Difference]: Without dead ends: 75 [2020-12-23 07:38:48,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2020-12-23 07:38:48,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-23 07:38:48,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 63. [2020-12-23 07:38:48,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-12-23 07:38:48,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2020-12-23 07:38:48,971 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 27 [2020-12-23 07:38:48,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:38:48,972 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2020-12-23 07:38:48,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 07:38:48,972 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2020-12-23 07:38:48,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-23 07:38:48,973 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:38:48,973 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:38:49,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:38:49,188 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:38:49,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:38:49,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1655367537, now seen corresponding path program 1 times [2020-12-23 07:38:49,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:38:49,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198175285] [2020-12-23 07:38:49,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:38:49,203 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:38:49,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [756988690] [2020-12-23 07:38:49,204 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 07:38:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:38:49,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 07:38:49,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:38:49,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:38:49,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198175285] [2020-12-23 07:38:49,392 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:38:49,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756988690] [2020-12-23 07:38:49,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:38:49,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 07:38:49,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693143976] [2020-12-23 07:38:49,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 07:38:49,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:38:49,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 07:38:49,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-23 07:38:49,396 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 8 states. [2020-12-23 07:38:49,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:38:49,622 INFO L93 Difference]: Finished difference Result 94 states and 98 transitions. [2020-12-23 07:38:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 07:38:49,623 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-12-23 07:38:49,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:38:49,626 INFO L225 Difference]: With dead ends: 94 [2020-12-23 07:38:49,628 INFO L226 Difference]: Without dead ends: 66 [2020-12-23 07:38:49,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-12-23 07:38:49,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-12-23 07:38:49,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2020-12-23 07:38:49,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-12-23 07:38:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 66 transitions. [2020-12-23 07:38:49,654 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 66 transitions. Word has length 30 [2020-12-23 07:38:49,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:38:49,655 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 66 transitions. [2020-12-23 07:38:49,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 07:38:49,655 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2020-12-23 07:38:49,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-23 07:38:49,657 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:38:49,657 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-12-23 07:38:49,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:38:49,872 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:38:49,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:38:49,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1088491650, now seen corresponding path program 2 times [2020-12-23 07:38:49,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:38:49,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874480388] [2020-12-23 07:38:49,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:38:49,888 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:38:49,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1203527071] [2020-12-23 07:38:49,888 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 07:38:49,951 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 07:38:49,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 07:38:49,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-23 07:38:49,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:38:50,112 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:38:50,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874480388] [2020-12-23 07:38:50,113 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:38:50,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203527071] [2020-12-23 07:38:50,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 07:38:50,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 07:38:50,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332811924] [2020-12-23 07:38:50,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 07:38:50,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:38:50,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 07:38:50,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-23 07:38:50,116 INFO L87 Difference]: Start difference. First operand 63 states and 66 transitions. Second operand 9 states. [2020-12-23 07:38:50,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:38:50,332 INFO L93 Difference]: Finished difference Result 99 states and 104 transitions. [2020-12-23 07:38:50,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 07:38:50,332 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2020-12-23 07:38:50,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:38:50,334 INFO L225 Difference]: With dead ends: 99 [2020-12-23 07:38:50,334 INFO L226 Difference]: Without dead ends: 62 [2020-12-23 07:38:50,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-12-23 07:38:50,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-12-23 07:38:50,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61. [2020-12-23 07:38:50,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-12-23 07:38:50,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2020-12-23 07:38:50,352 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 36 [2020-12-23 07:38:50,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:38:50,353 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2020-12-23 07:38:50,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 07:38:50,354 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2020-12-23 07:38:50,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-23 07:38:50,360 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:38:50,360 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] [2020-12-23 07:38:50,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 07:38:50,576 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:38:50,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:38:50,577 INFO L82 PathProgramCache]: Analyzing trace with hash -50686429, now seen corresponding path program 1 times [2020-12-23 07:38:50,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:38:50,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352353737] [2020-12-23 07:38:50,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:38:50,590 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:38:50,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [433626812] [2020-12-23 07:38:50,591 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 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 07:38:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:38:50,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 45 conjunts are in the unsatisfiable core [2020-12-23 07:38:50,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:38:51,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 07:38:51,080 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 07:38:51,108 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:38:51,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352353737] [2020-12-23 07:38:51,109 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:38:51,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433626812] [2020-12-23 07:38:51,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:38:51,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-12-23 07:38:51,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102356366] [2020-12-23 07:38:51,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 07:38:51,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:38:51,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 07:38:51,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2020-12-23 07:38:51,111 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand 14 states. [2020-12-23 07:38:51,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:38:51,722 INFO L93 Difference]: Finished difference Result 90 states and 92 transitions. [2020-12-23 07:38:51,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 07:38:51,723 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 39 [2020-12-23 07:38:51,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:38:51,723 INFO L225 Difference]: With dead ends: 90 [2020-12-23 07:38:51,724 INFO L226 Difference]: Without dead ends: 88 [2020-12-23 07:38:51,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2020-12-23 07:38:51,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-12-23 07:38:51,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 66. [2020-12-23 07:38:51,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-12-23 07:38:51,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2020-12-23 07:38:51,734 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 39 [2020-12-23 07:38:51,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:38:51,734 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2020-12-23 07:38:51,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 07:38:51,735 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2020-12-23 07:38:51,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-23 07:38:51,735 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:38:51,736 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 07:38:51,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:38:51,951 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:38:51,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:38:51,952 INFO L82 PathProgramCache]: Analyzing trace with hash -50682455, now seen corresponding path program 1 times [2020-12-23 07:38:51,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:38:51,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039920070] [2020-12-23 07:38:51,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:38:51,966 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:38:51,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1646393015] [2020-12-23 07:38:51,966 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 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 07:38:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:38:52,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 07:38:52,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:38:52,158 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:38:52,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039920070] [2020-12-23 07:38:52,158 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:38:52,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646393015] [2020-12-23 07:38:52,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:38:52,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-12-23 07:38:52,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625181395] [2020-12-23 07:38:52,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 07:38:52,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:38:52,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 07:38:52,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-12-23 07:38:52,161 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand 9 states. [2020-12-23 07:38:52,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:38:52,381 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2020-12-23 07:38:52,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 07:38:52,382 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 39 [2020-12-23 07:38:52,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:38:52,383 INFO L225 Difference]: With dead ends: 70 [2020-12-23 07:38:52,383 INFO L226 Difference]: Without dead ends: 42 [2020-12-23 07:38:52,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-12-23 07:38:52,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-12-23 07:38:52,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-12-23 07:38:52,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-23 07:38:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2020-12-23 07:38:52,390 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 39 [2020-12-23 07:38:52,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:38:52,391 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2020-12-23 07:38:52,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 07:38:52,391 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2020-12-23 07:38:52,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 07:38:52,392 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 07:38:52,392 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] [2020-12-23 07:38:52,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 07:38:52,608 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 07:38:52,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 07:38:52,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1464858938, now seen corresponding path program 1 times [2020-12-23 07:38:52,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 07:38:52,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969009232] [2020-12-23 07:38:52,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 07:38:52,622 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-23 07:38:52,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1224147783] [2020-12-23 07:38:52,623 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 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 07:38:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 07:38:52,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 31 conjunts are in the unsatisfiable core [2020-12-23 07:38:52,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 07:38:52,978 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 07:38:52,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969009232] [2020-12-23 07:38:52,983 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-23 07:38:52,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224147783] [2020-12-23 07:38:52,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-23 07:38:52,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-12-23 07:38:52,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384447753] [2020-12-23 07:38:52,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 07:38:52,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 07:38:52,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 07:38:52,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-12-23 07:38:52,987 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 12 states. [2020-12-23 07:38:53,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 07:38:53,746 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2020-12-23 07:38:53,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 07:38:53,747 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2020-12-23 07:38:53,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 07:38:53,747 INFO L225 Difference]: With dead ends: 42 [2020-12-23 07:38:53,747 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 07:38:53,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2020-12-23 07:38:53,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 07:38:53,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 07:38:53,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 07:38:53,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 07:38:53,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2020-12-23 07:38:53,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 07:38:53,749 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 07:38:53,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 07:38:53,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 07:38:53,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 07:38:53,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 07:38:53,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 07:38:54,512 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 43 [2020-12-23 07:38:54,858 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2020-12-23 07:38:55,193 WARN L197 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2020-12-23 07:38:55,518 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-12-23 07:38:55,870 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 43 [2020-12-23 07:38:56,201 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2020-12-23 07:38:56,204 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-23 07:38:56,205 INFO L189 CegarLoopUtils]: For program point L11(lines 11 14) no Hoare annotation was computed. [2020-12-23 07:38:56,205 INFO L185 CegarLoopUtils]: At program point L11-2(lines 10 16) the Hoare annotation is: (let ((.cse10 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)))) (let ((.cse0 (= ULTIMATE.start_main_~a~0 .cse10)) (.cse1 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0)) (.cse2 (= ULTIMATE.start_main_~r~0 0)) (.cse3 (= ULTIMATE.start_main_~s~0 1)) (.cse4 (= ULTIMATE.start_main_~yy~0 (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (.cse5 (= ULTIMATE.start_main_~q~0 0)) (.cse6 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse7 (<= ULTIMATE.start_main_~a~0 1)) (.cse8 (<= 1 ULTIMATE.start_main_~b~0)) (.cse9 (< 0 .cse10))) (or (and (= ULTIMATE.start_main_~p~0 1) .cse0 .cse1 (= ULTIMATE.start_main_~k~0 0) (<= ULTIMATE.start_main_~y~0 1) (<= ULTIMATE.start_main_~c~0 1) .cse2 (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse3 .cse4 (<= 1 ULTIMATE.start_main_~c~0) .cse5 .cse6 .cse7 .cse8 .cse9) (and (= ULTIMATE.start_main_~k~0 1) (<= 0 ULTIMATE.start_main_~c~0) .cse0 .cse1 (<= (+ ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~b~0) 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0) .cse8 .cse9)))) [2020-12-23 07:38:56,205 INFO L189 CegarLoopUtils]: For program point L11-3(lines 11 14) no Hoare annotation was computed. [2020-12-23 07:38:56,206 INFO L185 CegarLoopUtils]: At program point L11-5(lines 10 16) the Hoare annotation is: (let ((.cse11 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)))) (let ((.cse0 (= ULTIMATE.start_main_~a~0 .cse11)) (.cse1 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0)) (.cse2 (= ULTIMATE.start_main_~r~0 0)) (.cse3 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (= ULTIMATE.start_main_~s~0 1)) (.cse5 (= ULTIMATE.start_main_~yy~0 (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (.cse6 (= ULTIMATE.start_main_~q~0 0)) (.cse7 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse8 (<= ULTIMATE.start_main_~a~0 1)) (.cse9 (<= 1 ULTIMATE.start_main_~b~0)) (.cse10 (< 0 .cse11))) (or (and (= ULTIMATE.start_main_~p~0 1) .cse0 .cse1 (= ULTIMATE.start_main_~k~0 0) (<= ULTIMATE.start_main_~y~0 1) (<= ULTIMATE.start_main_~c~0 1) .cse2 .cse3 .cse4 .cse5 (<= 1 ULTIMATE.start_main_~c~0) .cse6 .cse7 .cse8 .cse9 .cse10) (and (= ULTIMATE.start_main_~k~0 1) (<= 0 ULTIMATE.start_main_~c~0) .cse0 .cse1 (<= (+ ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~b~0) 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0) .cse9 .cse10)))) [2020-12-23 07:38:56,206 INFO L189 CegarLoopUtils]: For program point L11-6(lines 11 14) no Hoare annotation was computed. [2020-12-23 07:38:56,206 INFO L185 CegarLoopUtils]: At program point L11-8(lines 10 16) the Hoare annotation is: (let ((.cse11 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)))) (let ((.cse0 (= ULTIMATE.start_main_~a~0 .cse11)) (.cse1 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0)) (.cse2 (= ULTIMATE.start_main_~r~0 0)) (.cse3 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (= ULTIMATE.start_main_~s~0 1)) (.cse5 (= ULTIMATE.start_main_~yy~0 (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (.cse6 (= ULTIMATE.start_main_~q~0 0)) (.cse7 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse8 (<= ULTIMATE.start_main_~a~0 1)) (.cse9 (<= 1 ULTIMATE.start_main_~b~0)) (.cse10 (< 0 .cse11))) (or (and (= ULTIMATE.start_main_~p~0 1) .cse0 .cse1 (= ULTIMATE.start_main_~k~0 0) (<= ULTIMATE.start_main_~y~0 1) (<= ULTIMATE.start_main_~c~0 1) .cse2 .cse3 .cse4 .cse5 (<= 1 ULTIMATE.start_main_~c~0) .cse6 .cse7 .cse8 .cse9 .cse10) (and (= ULTIMATE.start_main_~k~0 1) (<= 0 ULTIMATE.start_main_~c~0) .cse0 .cse1 (<= (+ ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~b~0) 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0) .cse9 .cse10)))) [2020-12-23 07:38:56,206 INFO L189 CegarLoopUtils]: For program point L11-9(lines 11 14) no Hoare annotation was computed. [2020-12-23 07:38:56,207 INFO L185 CegarLoopUtils]: At program point L11-11(lines 52 53) the Hoare annotation is: (let ((.cse11 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)))) (let ((.cse0 (= ULTIMATE.start_main_~a~0 .cse11)) (.cse1 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0)) (.cse3 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= ULTIMATE.start_main_~r~0 0)) (.cse4 (= ULTIMATE.start_main_~s~0 1)) (.cse5 (= ULTIMATE.start_main_~yy~0 (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (.cse6 (= ULTIMATE.start_main_~q~0 0)) (.cse7 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse8 (<= ULTIMATE.start_main_~a~0 1)) (.cse9 (<= 1 ULTIMATE.start_main_~b~0)) (.cse10 (< 0 .cse11))) (or (and (= ULTIMATE.start_main_~p~0 1) .cse0 .cse1 (= ULTIMATE.start_main_~k~0 0) (<= ULTIMATE.start_main_~y~0 1) (<= ULTIMATE.start_main_~c~0 1) .cse2 .cse3 .cse4 .cse5 (<= 1 ULTIMATE.start_main_~c~0) .cse6 .cse7 .cse8 .cse9 .cse10) (and (= ULTIMATE.start_main_~k~0 1) (<= 0 ULTIMATE.start_main_~c~0) .cse0 .cse1 (<= (+ ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~b~0) 1) .cse3 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0) .cse9 .cse10)))) [2020-12-23 07:38:56,207 INFO L189 CegarLoopUtils]: For program point L11-12(lines 11 14) no Hoare annotation was computed. [2020-12-23 07:38:56,207 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-23 07:38:56,207 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 07:38:56,207 INFO L185 CegarLoopUtils]: At program point L11-14(lines 10 16) the Hoare annotation is: (let ((.cse0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)))) (and (< (* 2 ULTIMATE.start_main_~c~0) 1) (<= ULTIMATE.start_main_~x~0 1) (<= 1 ULTIMATE.start_main_~y~0) (<= 0 ULTIMATE.start_main_~c~0) (<= ULTIMATE.start_main_~y~0 1) (= ULTIMATE.start_main_~a~0 .cse0) (< (* 2 ULTIMATE.start_main_~b~0) 1) (<= 0 ULTIMATE.start_main_~b~0) (<= 1 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= ULTIMATE.start_main_~a~0 1) (< 0 .cse0))) [2020-12-23 07:38:56,207 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 07:38:56,208 INFO L189 CegarLoopUtils]: For program point L11-15(lines 11 14) no Hoare annotation was computed. [2020-12-23 07:38:56,208 INFO L192 CegarLoopUtils]: At program point L11-17(lines 10 16) the Hoare annotation is: true [2020-12-23 07:38:56,208 INFO L189 CegarLoopUtils]: For program point L12(lines 12 13) no Hoare annotation was computed. [2020-12-23 07:38:56,208 INFO L189 CegarLoopUtils]: For program point L12-1(lines 12 13) no Hoare annotation was computed. [2020-12-23 07:38:56,208 INFO L189 CegarLoopUtils]: For program point L12-2(lines 12 13) no Hoare annotation was computed. [2020-12-23 07:38:56,208 INFO L189 CegarLoopUtils]: For program point L12-3(lines 12 13) no Hoare annotation was computed. [2020-12-23 07:38:56,208 INFO L189 CegarLoopUtils]: For program point L12-4(lines 12 13) no Hoare annotation was computed. [2020-12-23 07:38:56,208 INFO L189 CegarLoopUtils]: For program point L12-5(lines 12 13) no Hoare annotation was computed. [2020-12-23 07:38:56,208 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-23 07:38:56,209 INFO L185 CegarLoopUtils]: At program point L47-2(lines 47 56) the Hoare annotation is: (let ((.cse10 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)))) (let ((.cse0 (= ULTIMATE.start_main_~a~0 .cse10)) (.cse1 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0)) (.cse2 (= ULTIMATE.start_main_~r~0 0)) (.cse3 (= ULTIMATE.start_main_~s~0 1)) (.cse4 (= ULTIMATE.start_main_~yy~0 (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (.cse5 (= ULTIMATE.start_main_~q~0 0)) (.cse6 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse7 (<= ULTIMATE.start_main_~a~0 1)) (.cse8 (<= 1 ULTIMATE.start_main_~b~0)) (.cse9 (< 0 .cse10))) (or (and (= ULTIMATE.start_main_~k~0 1) .cse0 (= (+ ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~b~0) ULTIMATE.start_main_~a~0) .cse1 .cse2 (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0) .cse8 .cse9) (and (= ULTIMATE.start_main_~p~0 1) .cse0 .cse1 (= ULTIMATE.start_main_~k~0 0) (<= ULTIMATE.start_main_~y~0 1) (<= ULTIMATE.start_main_~c~0 1) .cse2 .cse3 .cse4 (<= 1 ULTIMATE.start_main_~c~0) .cse5 .cse6 .cse7 .cse8 .cse9)))) [2020-12-23 07:38:56,209 INFO L189 CegarLoopUtils]: For program point L47-3(lines 47 56) no Hoare annotation was computed. [2020-12-23 07:38:56,209 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-23 07:38:56,209 INFO L192 CegarLoopUtils]: At program point L73(lines 18 74) the Hoare annotation is: true [2020-12-23 07:38:56,209 INFO L189 CegarLoopUtils]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-12-23 07:38:56,209 INFO L189 CegarLoopUtils]: For program point L7-1(lines 7 9) no Hoare annotation was computed. [2020-12-23 07:38:56,209 INFO L189 CegarLoopUtils]: For program point L7-2(lines 7 9) no Hoare annotation was computed. [2020-12-23 07:38:56,209 INFO L189 CegarLoopUtils]: For program point L7-3(lines 7 9) no Hoare annotation was computed. [2020-12-23 07:38:56,209 INFO L189 CegarLoopUtils]: For program point L7-4(lines 7 9) no Hoare annotation was computed. [2020-12-23 07:38:56,209 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 07:38:56,210 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-23 07:38:56,210 INFO L189 CegarLoopUtils]: For program point L8(line 8) no Hoare annotation was computed. [2020-12-23 07:38:56,210 INFO L185 CegarLoopUtils]: At program point L41-1(lines 7 68) the Hoare annotation is: (let ((.cse7 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~y~0)))) (let ((.cse0 (< (* 2 ULTIMATE.start_main_~c~0) 1)) (.cse1 (<= 0 ULTIMATE.start_main_~c~0)) (.cse2 (= ULTIMATE.start_main_~a~0 .cse7)) (.cse3 (<= ULTIMATE.start_main_~y~0 1)) (.cse4 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse5 (<= ULTIMATE.start_main_~a~0 1)) (.cse6 (< 0 .cse7))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~p~0 1) .cse2 (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~k~0 0) .cse3 (= ULTIMATE.start_main_~r~0 0) (= ULTIMATE.start_main_~s~0 1) (= ULTIMATE.start_main_~yy~0 (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (= ULTIMATE.start_main_~q~0 0) .cse4 .cse5 (<= 1 ULTIMATE.start_main_~b~0) .cse6) (and .cse0 (<= ULTIMATE.start_main_~x~0 1) .cse1 (= (+ ULTIMATE.start_main_~s~0 1) 0) .cse2 (< (* 2 ULTIMATE.start_main_~b~0) 1) (<= 0 ULTIMATE.start_main_~b~0) (<= 1 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 1) (<= 1 ULTIMATE.start_main_~y~0) .cse3 .cse4 .cse5 .cse6)))) [2020-12-23 07:38:56,210 INFO L189 CegarLoopUtils]: For program point L41-2(lines 41 68) no Hoare annotation was computed. [2020-12-23 07:38:56,210 INFO L189 CegarLoopUtils]: For program point L8-2(line 8) no Hoare annotation was computed. [2020-12-23 07:38:56,210 INFO L189 CegarLoopUtils]: For program point L8-4(line 8) no Hoare annotation was computed. [2020-12-23 07:38:56,210 INFO L189 CegarLoopUtils]: For program point L8-6(line 8) no Hoare annotation was computed. [2020-12-23 07:38:56,210 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 07:38:56,210 INFO L189 CegarLoopUtils]: For program point L8-8(line 8) no Hoare annotation was computed. [2020-12-23 07:38:56,210 INFO L189 CegarLoopUtils]: For program point L8-10(line 8) no Hoare annotation was computed. [2020-12-23 07:38:56,211 INFO L189 CegarLoopUtils]: For program point L42(lines 42 43) no Hoare annotation was computed. [2020-12-23 07:38:56,211 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-23 07:38:56,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 07:38:56 BoogieIcfgContainer [2020-12-23 07:38:56,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 07:38:56,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 07:38:56,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 07:38:56,263 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 07:38:56,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:38:42" (3/4) ... [2020-12-23 07:38:56,269 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 07:38:56,291 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-12-23 07:38:56,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 07:38:56,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 07:38:56,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 07:38:56,391 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/nla-digbench-scaling/egcd2-ll_valuebound1.c-witness.graphml [2020-12-23 07:38:56,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 07:38:56,393 INFO L168 Benchmark]: Toolchain (without parser) took 14647.84 ms. Allocated memory was 152.0 MB in the beginning and 211.8 MB in the end (delta: 59.8 MB). Free memory was 126.4 MB in the beginning and 139.4 MB in the end (delta: -13.0 MB). Peak memory consumption was 48.1 MB. Max. memory is 8.0 GB. [2020-12-23 07:38:56,393 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 152.0 MB. Free memory is still 133.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 07:38:56,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.97 ms. Allocated memory is still 152.0 MB. Free memory was 126.2 MB in the beginning and 115.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-23 07:38:56,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.11 ms. Allocated memory is still 152.0 MB. Free memory was 115.6 MB in the beginning and 113.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 07:38:56,394 INFO L168 Benchmark]: Boogie Preprocessor took 31.69 ms. Allocated memory is still 152.0 MB. Free memory was 113.9 MB in the beginning and 112.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 07:38:56,395 INFO L168 Benchmark]: RCFGBuilder took 825.22 ms. Allocated memory is still 152.0 MB. Free memory was 112.6 MB in the beginning and 123.3 MB in the end (delta: -10.7 MB). Peak memory consumption was 10.3 MB. Max. memory is 8.0 GB. [2020-12-23 07:38:56,395 INFO L168 Benchmark]: TraceAbstraction took 13329.59 ms. Allocated memory was 152.0 MB in the beginning and 211.8 MB in the end (delta: 59.8 MB). Free memory was 122.9 MB in the beginning and 143.6 MB in the end (delta: -20.7 MB). Peak memory consumption was 117.6 MB. Max. memory is 8.0 GB. [2020-12-23 07:38:56,396 INFO L168 Benchmark]: Witness Printer took 128.63 ms. Allocated memory is still 211.8 MB. Free memory was 143.1 MB in the beginning and 139.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 07:38:56,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 152.0 MB. Free memory is still 133.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 276.97 ms. Allocated memory is still 152.0 MB. Free memory was 126.2 MB in the beginning and 115.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.11 ms. Allocated memory is still 152.0 MB. Free memory was 115.6 MB in the beginning and 113.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.69 ms. Allocated memory is still 152.0 MB. Free memory was 113.9 MB in the beginning and 112.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 825.22 ms. Allocated memory is still 152.0 MB. Free memory was 112.6 MB in the beginning and 123.3 MB in the end (delta: -10.7 MB). Peak memory consumption was 10.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 13329.59 ms. Allocated memory was 152.0 MB in the beginning and 211.8 MB in the end (delta: 59.8 MB). Free memory was 122.9 MB in the beginning and 143.6 MB in the end (delta: -20.7 MB). Peak memory consumption was 117.6 MB. Max. memory is 8.0 GB. * Witness Printer took 128.63 ms. Allocated memory is still 211.8 MB. Free memory was 143.1 MB in the beginning and 139.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: (((((((((((((((p == 1 && a == p * x + r * y) && b == y) && k == 0) && y <= 1) && c <= 1) && r == 0) && 1 == cond) && s == 1) && yy == y * y) && 1 <= c) && q == 0) && cond == 1) && a <= 1) && 1 <= b) && 0 < p * x + r * y) || ((((((((((((((k == 1 && 0 <= c) && a == p * x + r * y) && b == y) && c + b <= 1) && 1 == cond) && r == 0) && s == 1) && yy == y * y) && q == 0) && cond == 1) && a <= 1) && b <= x) && 1 <= b) && 0 < p * x + r * y) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (((((((((((((((p == 1 && a == p * x + r * y) && b == y) && k == 0) && y <= 1) && c <= 1) && r == 0) && 1 == cond) && s == 1) && yy == y * y) && 1 <= c) && q == 0) && cond == 1) && a <= 1) && 1 <= b) && 0 < p * x + r * y) || ((((((((((((((k == 1 && 0 <= c) && a == p * x + r * y) && b == y) && c + b <= 1) && r == 0) && 1 == cond) && s == 1) && yy == y * y) && q == 0) && cond == 1) && a <= 1) && b <= x) && 1 <= b) && 0 < p * x + r * y) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: ((((((((((2 * c < 1 && x <= 1) && 1 <= y) && 0 <= c) && y <= 1) && a == p * x + r * y) && 2 * b < 1) && 0 <= b) && 1 <= x) && cond == 1) && a <= 1) && 0 < p * x + r * y - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (((((((((((((k == 1 && a == p * x + r * y) && c + b == a) && b == y) && r == 0) && 1 == cond) && s == 1) && yy == y * y) && q == 0) && cond == 1) && a <= 1) && b <= x) && 1 <= b) && 0 < p * x + r * y) || ((((((((((((((p == 1 && a == p * x + r * y) && b == y) && k == 0) && y <= 1) && c <= 1) && r == 0) && s == 1) && yy == y * y) && 1 <= c) && q == 0) && cond == 1) && a <= 1) && 1 <= b) && 0 < p * x + r * y) - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: ((((((((((((((2 * c < 1 && 0 <= c) && p == 1) && a == p * x + r * y) && b == y) && k == 0) && y <= 1) && r == 0) && s == 1) && yy == y * y) && q == 0) && cond == 1) && a <= 1) && 1 <= b) && 0 < p * x + r * y) || (((((((((((((2 * c < 1 && x <= 1) && 0 <= c) && s + 1 == 0) && a == p * x + r * y) && 2 * b < 1) && 0 <= b) && 1 <= x) && q == 1) && 1 <= y) && y <= 1) && cond == 1) && a <= 1) && 0 < p * x + r * y) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (((((((((((((((p == 1 && a == p * x + r * y) && b == y) && k == 0) && y <= 1) && c <= 1) && r == 0) && 1 == cond) && s == 1) && yy == y * y) && 1 <= c) && q == 0) && cond == 1) && a <= 1) && 1 <= b) && 0 < p * x + r * y) || ((((((((((((((k == 1 && 0 <= c) && a == p * x + r * y) && b == y) && c + b <= 1) && r == 0) && 1 == cond) && s == 1) && yy == y * y) && q == 0) && cond == 1) && a <= 1) && b <= x) && 1 <= b) && 0 < p * x + r * y) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (((((((((((((((p == 1 && a == p * x + r * y) && b == y) && k == 0) && y <= 1) && c <= 1) && r == 0) && 1 == cond) && s == 1) && yy == y * y) && 1 <= c) && q == 0) && cond == 1) && a <= 1) && 1 <= b) && 0 < p * x + r * y) || (((((((((((((k == 1 && 0 <= c) && a == p * x + r * y) && b == y) && c + b <= 1) && r == 0) && s == 1) && yy == y * y) && q == 0) && cond == 1) && a <= 1) && b <= x) && 1 <= b) && 0 < p * x + r * y) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.9s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 337 SDtfs, 1513 SDslu, 1054 SDs, 0 SdLazy, 1367 SolverSat, 202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 373 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 107 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 24 NumberOfFragments, 800 HoareAnnotationTreeSize, 9 FomulaSimplifications, 1302 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 566 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 319 ConstructedInterpolants, 0 QuantifiedInterpolants, 112838 SizeOfPredicates, 127 NumberOfNonLiveVariables, 1459 ConjunctsInSsa, 283 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 21/54 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 correct! Received shutdown request...