/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/eca-rers2012/Problem02_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:54:13,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:54:13,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:54:13,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:54:13,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:54:13,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:54:13,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:54:13,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:54:13,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:54:13,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:54:13,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:54:13,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:54:13,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:54:13,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:54:13,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:54:13,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:54:13,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:54:13,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:54:13,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:54:13,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:54:13,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:54:13,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:54:13,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:54:13,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:54:13,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 01:54:13,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 01:54:13,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 01:54:13,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 01:54:13,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 01:54:13,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 01:54:13,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 01:54:13,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 01:54:13,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 01:54:13,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 01:54:13,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 01:54:13,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 01:54:13,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 01:54:13,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 01:54:13,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:54:13,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:54:13,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:54:13,606 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 01:54:13,636 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:54:13,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:54:13,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:54:13,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:54:13,640 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:54:13,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:54:13,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:54:13,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:54:13,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:54:13,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:54:13,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:54:13,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:54:13,643 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:54:13,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:54:13,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:54:13,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:54:13,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:54:13,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:54:13,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:54:13,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:54:13,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:54:13,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:54:13,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:54:13,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:54:13,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:54:13,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:54:14,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:54:14,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:54:14,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:54:14,109 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:54:14,110 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:54:14,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label46.c [2020-12-23 01:54:14,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/110e67759/79103436362f4443a5ef9f3a35f1b7e5/FLAG07c8f8cd4 [2020-12-23 01:54:14,907 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:54:14,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label46.c [2020-12-23 01:54:14,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/110e67759/79103436362f4443a5ef9f3a35f1b7e5/FLAG07c8f8cd4 [2020-12-23 01:54:15,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/110e67759/79103436362f4443a5ef9f3a35f1b7e5 [2020-12-23 01:54:15,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:54:15,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:54:15,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:54:15,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:54:15,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:54:15,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:54:15" (1/1) ... [2020-12-23 01:54:15,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24879908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:15, skipping insertion in model container [2020-12-23 01:54:15,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:54:15" (1/1) ... [2020-12-23 01:54:15,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:54:15,292 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] [2020-12-23 01:54:15,731 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/eca-rers2012/Problem02_label46.c[18150,18163] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:54:15,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:54:15,808 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] [2020-12-23 01:54:15,939 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/eca-rers2012/Problem02_label46.c[18150,18163] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:54:15,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:54:15,980 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:54:15,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:15 WrapperNode [2020-12-23 01:54:15,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:54:15,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:54:15,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:54:15,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:54:15,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:15" (1/1) ... [2020-12-23 01:54:16,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:15" (1/1) ... [2020-12-23 01:54:16,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:54:16,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:54:16,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:54:16,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:54:16,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:15" (1/1) ... [2020-12-23 01:54:16,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:15" (1/1) ... [2020-12-23 01:54:16,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:15" (1/1) ... [2020-12-23 01:54:16,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:15" (1/1) ... [2020-12-23 01:54:16,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:15" (1/1) ... [2020-12-23 01:54:16,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:15" (1/1) ... [2020-12-23 01:54:16,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:15" (1/1) ... [2020-12-23 01:54:16,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:54:16,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:54:16,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:54:16,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:54:16,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:54:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:54:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:54:16,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:54:16,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:54:17,740 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:54:17,740 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 01:54:17,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:54:17 BoogieIcfgContainer [2020-12-23 01:54:17,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:54:17,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:54:17,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:54:17,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:54:17,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:54:15" (1/3) ... [2020-12-23 01:54:17,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa45cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:54:17, skipping insertion in model container [2020-12-23 01:54:17,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:15" (2/3) ... [2020-12-23 01:54:17,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa45cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:54:17, skipping insertion in model container [2020-12-23 01:54:17,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:54:17" (3/3) ... [2020-12-23 01:54:17,782 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label46.c [2020-12-23 01:54:17,789 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:54:17,794 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:54:17,814 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:54:17,859 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:54:17,859 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:54:17,859 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:54:17,859 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:54:17,860 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:54:17,860 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:54:17,860 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:54:17,860 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:54:17,886 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2020-12-23 01:54:17,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-23 01:54:17,899 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:17,900 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:17,901 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:17,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:17,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1952388485, now seen corresponding path program 1 times [2020-12-23 01:54:17,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:17,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818393983] [2020-12-23 01:54:17,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:18,425 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 01:54:18,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818393983] [2020-12-23 01:54:18,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:54:18,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:54:18,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000551798] [2020-12-23 01:54:18,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:18,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:18,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:18,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:54:18,452 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2020-12-23 01:54:19,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:19,300 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions. [2020-12-23 01:54:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:19,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-23 01:54:19,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:19,330 INFO L225 Difference]: With dead ends: 630 [2020-12-23 01:54:19,331 INFO L226 Difference]: Without dead ends: 318 [2020-12-23 01:54:19,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:54:19,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-12-23 01:54:19,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2020-12-23 01:54:19,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-12-23 01:54:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2020-12-23 01:54:19,418 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 112 [2020-12-23 01:54:19,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:19,419 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2020-12-23 01:54:19,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:19,419 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2020-12-23 01:54:19,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 01:54:19,423 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:19,423 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:19,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:54:19,424 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:19,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:19,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1907847920, now seen corresponding path program 1 times [2020-12-23 01:54:19,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:19,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121203963] [2020-12-23 01:54:19,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:19,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:19,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121203963] [2020-12-23 01:54:19,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:54:19,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:54:19,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71058410] [2020-12-23 01:54:19,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:19,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:19,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:19,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:54:19,548 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand 3 states. [2020-12-23 01:54:20,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:20,070 INFO L93 Difference]: Finished difference Result 919 states and 1357 transitions. [2020-12-23 01:54:20,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:20,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-12-23 01:54:20,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:20,074 INFO L225 Difference]: With dead ends: 919 [2020-12-23 01:54:20,074 INFO L226 Difference]: Without dead ends: 603 [2020-12-23 01:54:20,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:54:20,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2020-12-23 01:54:20,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2020-12-23 01:54:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-12-23 01:54:20,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 775 transitions. [2020-12-23 01:54:20,120 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 775 transitions. Word has length 116 [2020-12-23 01:54:20,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:20,121 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 775 transitions. [2020-12-23 01:54:20,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:20,121 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 775 transitions. [2020-12-23 01:54:20,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 01:54:20,125 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:20,126 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:20,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:54:20,126 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:20,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:20,127 INFO L82 PathProgramCache]: Analyzing trace with hash 2115422843, now seen corresponding path program 1 times [2020-12-23 01:54:20,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:20,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119506595] [2020-12-23 01:54:20,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:20,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119506595] [2020-12-23 01:54:20,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828501223] [2020-12-23 01:54:20,232 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 01:54:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:20,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:54:20,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:54:20,523 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 01:54:20,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:54:20,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:54:20,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481263413] [2020-12-23 01:54:20,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:20,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:20,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:20,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:54:20,530 INFO L87 Difference]: Start difference. First operand 601 states and 775 transitions. Second operand 3 states. [2020-12-23 01:54:21,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:21,112 INFO L93 Difference]: Finished difference Result 1486 states and 1970 transitions. [2020-12-23 01:54:21,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:21,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 01:54:21,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:21,118 INFO L225 Difference]: With dead ends: 1486 [2020-12-23 01:54:21,118 INFO L226 Difference]: Without dead ends: 887 [2020-12-23 01:54:21,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:54:21,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-12-23 01:54:21,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 885. [2020-12-23 01:54:21,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-12-23 01:54:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1142 transitions. [2020-12-23 01:54:21,139 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1142 transitions. Word has length 121 [2020-12-23 01:54:21,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:21,140 INFO L481 AbstractCegarLoop]: Abstraction has 885 states and 1142 transitions. [2020-12-23 01:54:21,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:21,140 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1142 transitions. [2020-12-23 01:54:21,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-23 01:54:21,143 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:21,144 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:21,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-23 01:54:21,358 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:21,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:21,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1906909350, now seen corresponding path program 2 times [2020-12-23 01:54:21,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:21,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834942888] [2020-12-23 01:54:21,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:21,497 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-23 01:54:21,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834942888] [2020-12-23 01:54:21,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518038681] [2020-12-23 01:54:21,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:54:21,598 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:54:21,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:54:21,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:54:21,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:54:21,719 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 01:54:21,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:54:21,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:54:21,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608149211] [2020-12-23 01:54:21,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:21,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:21,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:21,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:54:21,721 INFO L87 Difference]: Start difference. First operand 885 states and 1142 transitions. Second operand 3 states. [2020-12-23 01:54:22,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:22,286 INFO L93 Difference]: Finished difference Result 2050 states and 2650 transitions. [2020-12-23 01:54:22,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:22,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-12-23 01:54:22,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:22,293 INFO L225 Difference]: With dead ends: 2050 [2020-12-23 01:54:22,293 INFO L226 Difference]: Without dead ends: 1167 [2020-12-23 01:54:22,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:54:22,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2020-12-23 01:54:22,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1165. [2020-12-23 01:54:22,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1165 states. [2020-12-23 01:54:22,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1427 transitions. [2020-12-23 01:54:22,341 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1427 transitions. Word has length 126 [2020-12-23 01:54:22,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:22,341 INFO L481 AbstractCegarLoop]: Abstraction has 1165 states and 1427 transitions. [2020-12-23 01:54:22,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:22,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1427 transitions. [2020-12-23 01:54:22,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 01:54:22,345 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:22,345 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:22,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:54:22,559 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:22,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:22,561 INFO L82 PathProgramCache]: Analyzing trace with hash 732137108, now seen corresponding path program 1 times [2020-12-23 01:54:22,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:22,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624180855] [2020-12-23 01:54:22,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-23 01:54:22,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624180855] [2020-12-23 01:54:22,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:54:22,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:54:22,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057029488] [2020-12-23 01:54:22,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:22,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:22,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:22,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:54:22,633 INFO L87 Difference]: Start difference. First operand 1165 states and 1427 transitions. Second operand 3 states. [2020-12-23 01:54:23,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:23,261 INFO L93 Difference]: Finished difference Result 3308 states and 4068 transitions. [2020-12-23 01:54:23,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:23,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-12-23 01:54:23,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:23,272 INFO L225 Difference]: With dead ends: 3308 [2020-12-23 01:54:23,272 INFO L226 Difference]: Without dead ends: 2145 [2020-12-23 01:54:23,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:54:23,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2020-12-23 01:54:23,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2145. [2020-12-23 01:54:23,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2145 states. [2020-12-23 01:54:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2542 transitions. [2020-12-23 01:54:23,320 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2542 transitions. Word has length 127 [2020-12-23 01:54:23,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:23,322 INFO L481 AbstractCegarLoop]: Abstraction has 2145 states and 2542 transitions. [2020-12-23 01:54:23,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:23,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2542 transitions. [2020-12-23 01:54:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-23 01:54:23,326 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:23,326 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:23,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 01:54:23,327 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:23,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:23,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1111181524, now seen corresponding path program 1 times [2020-12-23 01:54:23,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:23,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825907179] [2020-12-23 01:54:23,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:23,453 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-23 01:54:23,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825907179] [2020-12-23 01:54:23,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617500683] [2020-12-23 01:54:23,454 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 01:54:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:23,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:54:23,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:54:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-23 01:54:23,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:54:23,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-23 01:54:23,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769185477] [2020-12-23 01:54:23,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:23,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:23,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:23,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:54:23,773 INFO L87 Difference]: Start difference. First operand 2145 states and 2542 transitions. Second operand 3 states. [2020-12-23 01:54:24,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:24,143 INFO L93 Difference]: Finished difference Result 4137 states and 4918 transitions. [2020-12-23 01:54:24,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:24,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-12-23 01:54:24,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:24,155 INFO L225 Difference]: With dead ends: 4137 [2020-12-23 01:54:24,155 INFO L226 Difference]: Without dead ends: 1994 [2020-12-23 01:54:24,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:54:24,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2020-12-23 01:54:24,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1994. [2020-12-23 01:54:24,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2020-12-23 01:54:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2323 transitions. [2020-12-23 01:54:24,217 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2323 transitions. Word has length 132 [2020-12-23 01:54:24,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:24,217 INFO L481 AbstractCegarLoop]: Abstraction has 1994 states and 2323 transitions. [2020-12-23 01:54:24,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:24,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2323 transitions. [2020-12-23 01:54:24,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 01:54:24,221 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:24,221 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:24,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:54:24,434 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:24,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:24,436 INFO L82 PathProgramCache]: Analyzing trace with hash -54590382, now seen corresponding path program 1 times [2020-12-23 01:54:24,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:24,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393459856] [2020-12-23 01:54:24,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:24,538 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-23 01:54:24,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393459856] [2020-12-23 01:54:24,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771249472] [2020-12-23 01:54:24,539 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 01:54:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:24,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 01:54:24,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:54:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 01:54:24,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:54:24,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:54:24,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736880665] [2020-12-23 01:54:24,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:24,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:24,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:24,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:54:24,766 INFO L87 Difference]: Start difference. First operand 1994 states and 2323 transitions. Second operand 3 states. [2020-12-23 01:54:25,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:25,296 INFO L93 Difference]: Finished difference Result 2838 states and 3308 transitions. [2020-12-23 01:54:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:25,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-12-23 01:54:25,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:25,303 INFO L225 Difference]: With dead ends: 2838 [2020-12-23 01:54:25,303 INFO L226 Difference]: Without dead ends: 1278 [2020-12-23 01:54:25,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:54:25,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2020-12-23 01:54:25,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1138. [2020-12-23 01:54:25,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2020-12-23 01:54:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1267 transitions. [2020-12-23 01:54:25,341 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1267 transitions. Word has length 133 [2020-12-23 01:54:25,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:25,341 INFO L481 AbstractCegarLoop]: Abstraction has 1138 states and 1267 transitions. [2020-12-23 01:54:25,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:25,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1267 transitions. [2020-12-23 01:54:25,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-23 01:54:25,344 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:25,344 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:25,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:54:25,560 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:25,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:25,560 INFO L82 PathProgramCache]: Analyzing trace with hash -180590127, now seen corresponding path program 1 times [2020-12-23 01:54:25,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:25,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800398219] [2020-12-23 01:54:25,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:25,643 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:25,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800398219] [2020-12-23 01:54:25,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:54:25,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:54:25,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153488238] [2020-12-23 01:54:25,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:25,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:25,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:25,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:54:25,646 INFO L87 Difference]: Start difference. First operand 1138 states and 1267 transitions. Second operand 3 states. [2020-12-23 01:54:26,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:26,077 INFO L93 Difference]: Finished difference Result 2274 states and 2547 transitions. [2020-12-23 01:54:26,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:26,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-12-23 01:54:26,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:26,084 INFO L225 Difference]: With dead ends: 2274 [2020-12-23 01:54:26,084 INFO L226 Difference]: Without dead ends: 1278 [2020-12-23 01:54:26,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:54:26,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2020-12-23 01:54:26,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1278. [2020-12-23 01:54:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1278 states. [2020-12-23 01:54:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1413 transitions. [2020-12-23 01:54:26,110 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1413 transitions. Word has length 135 [2020-12-23 01:54:26,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:26,111 INFO L481 AbstractCegarLoop]: Abstraction has 1278 states and 1413 transitions. [2020-12-23 01:54:26,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:26,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1413 transitions. [2020-12-23 01:54:26,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-23 01:54:26,114 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:26,114 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:26,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 01:54:26,114 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:26,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:26,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1930928697, now seen corresponding path program 1 times [2020-12-23 01:54:26,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:26,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195665752] [2020-12-23 01:54:26,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:26,358 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:26,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195665752] [2020-12-23 01:54:26,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580623498] [2020-12-23 01:54:26,359 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 01:54:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:26,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:54:26,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:54:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 01:54:26,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:54:26,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 01:54:26,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42197494] [2020-12-23 01:54:26,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:26,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:26,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:26,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:54:26,595 INFO L87 Difference]: Start difference. First operand 1278 states and 1413 transitions. Second operand 3 states. [2020-12-23 01:54:27,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:27,044 INFO L93 Difference]: Finished difference Result 2553 states and 2819 transitions. [2020-12-23 01:54:27,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:27,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-12-23 01:54:27,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:27,050 INFO L225 Difference]: With dead ends: 2553 [2020-12-23 01:54:27,051 INFO L226 Difference]: Without dead ends: 1277 [2020-12-23 01:54:27,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:54:27,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2020-12-23 01:54:27,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1277. [2020-12-23 01:54:27,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2020-12-23 01:54:27,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1371 transitions. [2020-12-23 01:54:27,096 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1371 transitions. Word has length 139 [2020-12-23 01:54:27,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:27,096 INFO L481 AbstractCegarLoop]: Abstraction has 1277 states and 1371 transitions. [2020-12-23 01:54:27,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:27,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1371 transitions. [2020-12-23 01:54:27,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-23 01:54:27,100 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:27,100 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:27,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:54:27,316 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:27,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:27,317 INFO L82 PathProgramCache]: Analyzing trace with hash 2005217513, now seen corresponding path program 1 times [2020-12-23 01:54:27,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:27,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078291155] [2020-12-23 01:54:27,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:27,491 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 68 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:27,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078291155] [2020-12-23 01:54:27,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896190121] [2020-12-23 01:54:27,492 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 01:54:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:27,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 01:54:27,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:54:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:27,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:54:27,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 01:54:27,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815828932] [2020-12-23 01:54:27,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:27,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:27,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:27,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:54:27,744 INFO L87 Difference]: Start difference. First operand 1277 states and 1371 transitions. Second operand 3 states. [2020-12-23 01:54:28,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:28,178 INFO L93 Difference]: Finished difference Result 2830 states and 3035 transitions. [2020-12-23 01:54:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:28,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-12-23 01:54:28,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:28,185 INFO L225 Difference]: With dead ends: 2830 [2020-12-23 01:54:28,185 INFO L226 Difference]: Without dead ends: 1554 [2020-12-23 01:54:28,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:54:28,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2020-12-23 01:54:28,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1553. [2020-12-23 01:54:28,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1553 states. [2020-12-23 01:54:28,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 1632 transitions. [2020-12-23 01:54:28,216 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 1632 transitions. Word has length 181 [2020-12-23 01:54:28,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:28,216 INFO L481 AbstractCegarLoop]: Abstraction has 1553 states and 1632 transitions. [2020-12-23 01:54:28,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1632 transitions. [2020-12-23 01:54:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-12-23 01:54:28,222 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:28,222 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:28,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:54:28,437 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:28,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:28,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1059223258, now seen corresponding path program 1 times [2020-12-23 01:54:28,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:28,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337302462] [2020-12-23 01:54:28,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:28,702 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:28,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337302462] [2020-12-23 01:54:28,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:54:28,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 01:54:28,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605944852] [2020-12-23 01:54:28,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 01:54:28,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:28,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 01:54:28,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:54:28,715 INFO L87 Difference]: Start difference. First operand 1553 states and 1632 transitions. Second operand 4 states. [2020-12-23 01:54:29,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:29,451 INFO L93 Difference]: Finished difference Result 2820 states and 2972 transitions. [2020-12-23 01:54:29,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 01:54:29,451 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 263 [2020-12-23 01:54:29,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:29,452 INFO L225 Difference]: With dead ends: 2820 [2020-12-23 01:54:29,452 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 01:54:29,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:54:29,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 01:54:29,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 01:54:29,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 01:54:29,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 01:54:29,456 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 263 [2020-12-23 01:54:29,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:29,456 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 01:54:29,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 01:54:29,457 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 01:54:29,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 01:54:29,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 01:54:29,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 01:54:29,647 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-12-23 01:54:29,800 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-12-23 01:54:29,804 INFO L189 CegarLoopUtils]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,804 INFO L189 CegarLoopUtils]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,805 INFO L189 CegarLoopUtils]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,805 INFO L189 CegarLoopUtils]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-12-23 01:54:29,805 INFO L189 CegarLoopUtils]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-12-23 01:54:29,805 INFO L189 CegarLoopUtils]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-12-23 01:54:29,805 INFO L189 CegarLoopUtils]: For program point L566(line 566) no Hoare annotation was computed. [2020-12-23 01:54:29,805 INFO L189 CegarLoopUtils]: For program point L500(line 500) no Hoare annotation was computed. [2020-12-23 01:54:29,805 INFO L189 CegarLoopUtils]: For program point L434(line 434) no Hoare annotation was computed. [2020-12-23 01:54:29,805 INFO L189 CegarLoopUtils]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-12-23 01:54:29,806 INFO L189 CegarLoopUtils]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-12-23 01:54:29,806 INFO L189 CegarLoopUtils]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,806 INFO L189 CegarLoopUtils]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,806 INFO L189 CegarLoopUtils]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,806 INFO L189 CegarLoopUtils]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-12-23 01:54:29,806 INFO L189 CegarLoopUtils]: For program point L569(line 569) no Hoare annotation was computed. [2020-12-23 01:54:29,806 INFO L189 CegarLoopUtils]: For program point L503(line 503) no Hoare annotation was computed. [2020-12-23 01:54:29,806 INFO L189 CegarLoopUtils]: For program point L437(line 437) no Hoare annotation was computed. [2020-12-23 01:54:29,806 INFO L189 CegarLoopUtils]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-12-23 01:54:29,807 INFO L189 CegarLoopUtils]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,807 INFO L189 CegarLoopUtils]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,807 INFO L189 CegarLoopUtils]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,807 INFO L189 CegarLoopUtils]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-12-23 01:54:29,807 INFO L189 CegarLoopUtils]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-12-23 01:54:29,807 INFO L189 CegarLoopUtils]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-12-23 01:54:29,807 INFO L189 CegarLoopUtils]: For program point L572(line 572) no Hoare annotation was computed. [2020-12-23 01:54:29,807 INFO L189 CegarLoopUtils]: For program point L506(line 506) no Hoare annotation was computed. [2020-12-23 01:54:29,807 INFO L189 CegarLoopUtils]: For program point L440(line 440) no Hoare annotation was computed. [2020-12-23 01:54:29,808 INFO L189 CegarLoopUtils]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-12-23 01:54:29,808 INFO L189 CegarLoopUtils]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-12-23 01:54:29,808 INFO L189 CegarLoopUtils]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-12-23 01:54:29,808 INFO L189 CegarLoopUtils]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-12-23 01:54:29,808 INFO L189 CegarLoopUtils]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,808 INFO L189 CegarLoopUtils]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,808 INFO L189 CegarLoopUtils]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,808 INFO L189 CegarLoopUtils]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-12-23 01:54:29,808 INFO L189 CegarLoopUtils]: For program point L575(line 575) no Hoare annotation was computed. [2020-12-23 01:54:29,809 INFO L189 CegarLoopUtils]: For program point L509(line 509) no Hoare annotation was computed. [2020-12-23 01:54:29,809 INFO L189 CegarLoopUtils]: For program point L443(line 443) no Hoare annotation was computed. [2020-12-23 01:54:29,809 INFO L189 CegarLoopUtils]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-12-23 01:54:29,809 INFO L189 CegarLoopUtils]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-12-23 01:54:29,809 INFO L189 CegarLoopUtils]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-12-23 01:54:29,809 INFO L189 CegarLoopUtils]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,809 INFO L189 CegarLoopUtils]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,809 INFO L189 CegarLoopUtils]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,809 INFO L189 CegarLoopUtils]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-12-23 01:54:29,810 INFO L189 CegarLoopUtils]: For program point L578(line 578) no Hoare annotation was computed. [2020-12-23 01:54:29,810 INFO L189 CegarLoopUtils]: For program point L512(line 512) no Hoare annotation was computed. [2020-12-23 01:54:29,810 INFO L189 CegarLoopUtils]: For program point L446(line 446) no Hoare annotation was computed. [2020-12-23 01:54:29,810 INFO L189 CegarLoopUtils]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-12-23 01:54:29,810 INFO L189 CegarLoopUtils]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-12-23 01:54:29,810 INFO L189 CegarLoopUtils]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-12-23 01:54:29,810 INFO L189 CegarLoopUtils]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,810 INFO L189 CegarLoopUtils]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,810 INFO L189 CegarLoopUtils]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,811 INFO L189 CegarLoopUtils]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-12-23 01:54:29,811 INFO L189 CegarLoopUtils]: For program point L581(line 581) no Hoare annotation was computed. [2020-12-23 01:54:29,811 INFO L189 CegarLoopUtils]: For program point L515(line 515) no Hoare annotation was computed. [2020-12-23 01:54:29,811 INFO L189 CegarLoopUtils]: For program point L449(line 449) no Hoare annotation was computed. [2020-12-23 01:54:29,811 INFO L189 CegarLoopUtils]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-12-23 01:54:29,811 INFO L189 CegarLoopUtils]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,811 INFO L189 CegarLoopUtils]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,811 INFO L189 CegarLoopUtils]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,812 INFO L189 CegarLoopUtils]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-12-23 01:54:29,812 INFO L189 CegarLoopUtils]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-12-23 01:54:29,812 INFO L189 CegarLoopUtils]: For program point L584(line 584) no Hoare annotation was computed. [2020-12-23 01:54:29,812 INFO L189 CegarLoopUtils]: For program point L518(line 518) no Hoare annotation was computed. [2020-12-23 01:54:29,812 INFO L189 CegarLoopUtils]: For program point L452(line 452) no Hoare annotation was computed. [2020-12-23 01:54:29,812 INFO L189 CegarLoopUtils]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-12-23 01:54:29,812 INFO L189 CegarLoopUtils]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-12-23 01:54:29,812 INFO L189 CegarLoopUtils]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-12-23 01:54:29,812 INFO L189 CegarLoopUtils]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,813 INFO L189 CegarLoopUtils]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,813 INFO L189 CegarLoopUtils]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,813 INFO L189 CegarLoopUtils]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-12-23 01:54:29,813 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 01:54:29,813 INFO L189 CegarLoopUtils]: For program point L587(line 587) no Hoare annotation was computed. [2020-12-23 01:54:29,813 INFO L189 CegarLoopUtils]: For program point L521(line 521) no Hoare annotation was computed. [2020-12-23 01:54:29,813 INFO L189 CegarLoopUtils]: For program point L455(line 455) no Hoare annotation was computed. [2020-12-23 01:54:29,813 INFO L189 CegarLoopUtils]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-12-23 01:54:29,813 INFO L189 CegarLoopUtils]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-12-23 01:54:29,814 INFO L189 CegarLoopUtils]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-12-23 01:54:29,814 INFO L189 CegarLoopUtils]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-12-23 01:54:29,814 INFO L189 CegarLoopUtils]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,814 INFO L189 CegarLoopUtils]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,814 INFO L189 CegarLoopUtils]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,814 INFO L189 CegarLoopUtils]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-12-23 01:54:29,814 INFO L189 CegarLoopUtils]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-12-23 01:54:29,814 INFO L189 CegarLoopUtils]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-12-23 01:54:29,814 INFO L189 CegarLoopUtils]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-12-23 01:54:29,815 INFO L189 CegarLoopUtils]: For program point L590(line 590) no Hoare annotation was computed. [2020-12-23 01:54:29,815 INFO L189 CegarLoopUtils]: For program point L524(line 524) no Hoare annotation was computed. [2020-12-23 01:54:29,815 INFO L189 CegarLoopUtils]: For program point L458(line 458) no Hoare annotation was computed. [2020-12-23 01:54:29,815 INFO L189 CegarLoopUtils]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-12-23 01:54:29,815 INFO L189 CegarLoopUtils]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-12-23 01:54:29,815 INFO L189 CegarLoopUtils]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,815 INFO L189 CegarLoopUtils]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,815 INFO L189 CegarLoopUtils]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,815 INFO L189 CegarLoopUtils]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-12-23 01:54:29,816 INFO L189 CegarLoopUtils]: For program point L593(line 593) no Hoare annotation was computed. [2020-12-23 01:54:29,816 INFO L189 CegarLoopUtils]: For program point L527(line 527) no Hoare annotation was computed. [2020-12-23 01:54:29,816 INFO L189 CegarLoopUtils]: For program point L461(line 461) no Hoare annotation was computed. [2020-12-23 01:54:29,816 INFO L189 CegarLoopUtils]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-12-23 01:54:29,816 INFO L189 CegarLoopUtils]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-12-23 01:54:29,816 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 01:54:29,816 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-12-23 01:54:29,816 INFO L189 CegarLoopUtils]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,816 INFO L189 CegarLoopUtils]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,817 INFO L189 CegarLoopUtils]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,817 INFO L189 CegarLoopUtils]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-12-23 01:54:29,817 INFO L189 CegarLoopUtils]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-12-23 01:54:29,817 INFO L189 CegarLoopUtils]: For program point L596(line 596) no Hoare annotation was computed. [2020-12-23 01:54:29,817 INFO L189 CegarLoopUtils]: For program point L530(line 530) no Hoare annotation was computed. [2020-12-23 01:54:29,817 INFO L189 CegarLoopUtils]: For program point L464(line 464) no Hoare annotation was computed. [2020-12-23 01:54:29,817 INFO L189 CegarLoopUtils]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-12-23 01:54:29,817 INFO L189 CegarLoopUtils]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-12-23 01:54:29,817 INFO L189 CegarLoopUtils]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-12-23 01:54:29,818 INFO L189 CegarLoopUtils]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,818 INFO L189 CegarLoopUtils]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,818 INFO L189 CegarLoopUtils]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,818 INFO L189 CegarLoopUtils]: For program point L599(line 599) no Hoare annotation was computed. [2020-12-23 01:54:29,818 INFO L189 CegarLoopUtils]: For program point L533(line 533) no Hoare annotation was computed. [2020-12-23 01:54:29,818 INFO L189 CegarLoopUtils]: For program point L467(line 467) no Hoare annotation was computed. [2020-12-23 01:54:29,818 INFO L189 CegarLoopUtils]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-12-23 01:54:29,818 INFO L189 CegarLoopUtils]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-12-23 01:54:29,818 INFO L189 CegarLoopUtils]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,819 INFO L189 CegarLoopUtils]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,819 INFO L189 CegarLoopUtils]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,819 INFO L189 CegarLoopUtils]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-12-23 01:54:29,819 INFO L189 CegarLoopUtils]: For program point L602(line 602) no Hoare annotation was computed. [2020-12-23 01:54:29,819 INFO L189 CegarLoopUtils]: For program point L536(line 536) no Hoare annotation was computed. [2020-12-23 01:54:29,819 INFO L189 CegarLoopUtils]: For program point L470(line 470) no Hoare annotation was computed. [2020-12-23 01:54:29,819 INFO L189 CegarLoopUtils]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-12-23 01:54:29,819 INFO L189 CegarLoopUtils]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-12-23 01:54:29,819 INFO L189 CegarLoopUtils]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-12-23 01:54:29,820 INFO L189 CegarLoopUtils]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-12-23 01:54:29,820 INFO L189 CegarLoopUtils]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-12-23 01:54:29,820 INFO L189 CegarLoopUtils]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-12-23 01:54:29,820 INFO L189 CegarLoopUtils]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-12-23 01:54:29,820 INFO L189 CegarLoopUtils]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,820 INFO L189 CegarLoopUtils]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,820 INFO L189 CegarLoopUtils]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-12-23 01:54:29,820 INFO L189 CegarLoopUtils]: For program point L605(line 605) no Hoare annotation was computed. [2020-12-23 01:54:29,820 INFO L189 CegarLoopUtils]: For program point L539(line 539) no Hoare annotation was computed. [2020-12-23 01:54:29,820 INFO L189 CegarLoopUtils]: For program point L473(line 473) no Hoare annotation was computed. [2020-12-23 01:54:29,821 INFO L189 CegarLoopUtils]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-12-23 01:54:29,821 INFO L189 CegarLoopUtils]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-12-23 01:54:29,821 INFO L189 CegarLoopUtils]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-12-23 01:54:29,821 INFO L189 CegarLoopUtils]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-12-23 01:54:29,821 INFO L189 CegarLoopUtils]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-12-23 01:54:29,822 INFO L185 CegarLoopUtils]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 0)) (.cse6 (<= ~a28~0 9)) (.cse1 (= ~a11~0 1)) (.cse3 (<= ~a28~0 10)) (.cse4 (= ~a25~0 1)) (.cse7 (= ~a19~0 1)) (.cse5 (= ~a11~0 0)) (.cse2 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse1 .cse2) (and .cse0 .cse5 .cse6 .cse2) (and (<= 9 ~a28~0) .cse7 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3) (and .cse7 .cse4 .cse5 .cse2) (and (= ~a25~0 ~a11~0) .cse7 .cse5 (<= ~a28~0 7) .cse2))) [2020-12-23 01:54:29,822 INFO L189 CegarLoopUtils]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,822 INFO L189 CegarLoopUtils]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,822 INFO L189 CegarLoopUtils]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-12-23 01:54:29,822 INFO L189 CegarLoopUtils]: For program point L542(line 542) no Hoare annotation was computed. [2020-12-23 01:54:29,822 INFO L189 CegarLoopUtils]: For program point L476(line 476) no Hoare annotation was computed. [2020-12-23 01:54:29,822 INFO L189 CegarLoopUtils]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-12-23 01:54:29,822 INFO L189 CegarLoopUtils]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-12-23 01:54:29,823 INFO L189 CegarLoopUtils]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-12-23 01:54:29,823 INFO L192 CegarLoopUtils]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-12-23 01:54:29,823 INFO L189 CegarLoopUtils]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,823 INFO L189 CegarLoopUtils]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,823 INFO L189 CegarLoopUtils]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-12-23 01:54:29,823 INFO L189 CegarLoopUtils]: For program point L545(line 545) no Hoare annotation was computed. [2020-12-23 01:54:29,823 INFO L189 CegarLoopUtils]: For program point L479(line 479) no Hoare annotation was computed. [2020-12-23 01:54:29,823 INFO L189 CegarLoopUtils]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-12-23 01:54:29,823 INFO L189 CegarLoopUtils]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-12-23 01:54:29,823 INFO L189 CegarLoopUtils]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-12-23 01:54:29,824 INFO L189 CegarLoopUtils]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-12-23 01:54:29,824 INFO L189 CegarLoopUtils]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-12-23 01:54:29,824 INFO L189 CegarLoopUtils]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-12-23 01:54:29,824 INFO L189 CegarLoopUtils]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,824 INFO L189 CegarLoopUtils]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,824 INFO L189 CegarLoopUtils]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-12-23 01:54:29,824 INFO L189 CegarLoopUtils]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-12-23 01:54:29,824 INFO L189 CegarLoopUtils]: For program point L548(line 548) no Hoare annotation was computed. [2020-12-23 01:54:29,824 INFO L189 CegarLoopUtils]: For program point L482(line 482) no Hoare annotation was computed. [2020-12-23 01:54:29,824 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 01:54:29,825 INFO L189 CegarLoopUtils]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-12-23 01:54:29,825 INFO L189 CegarLoopUtils]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-12-23 01:54:29,825 INFO L185 CegarLoopUtils]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 0)) (.cse6 (<= ~a28~0 9)) (.cse1 (= ~a11~0 1)) (.cse3 (<= ~a28~0 10)) (.cse4 (= ~a25~0 1)) (.cse7 (= ~a19~0 1)) (.cse5 (= ~a11~0 0)) (.cse2 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse1 .cse2) (and .cse0 .cse5 .cse6 .cse2) (and (<= 9 ~a28~0) .cse7 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3) (and .cse7 .cse4 .cse5 .cse2) (and (= ~a25~0 ~a11~0) .cse7 .cse5 (<= ~a28~0 7) .cse2))) [2020-12-23 01:54:29,825 INFO L189 CegarLoopUtils]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,825 INFO L189 CegarLoopUtils]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,825 INFO L189 CegarLoopUtils]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-12-23 01:54:29,825 INFO L189 CegarLoopUtils]: For program point L551(line 551) no Hoare annotation was computed. [2020-12-23 01:54:29,825 INFO L189 CegarLoopUtils]: For program point L485(line 485) no Hoare annotation was computed. [2020-12-23 01:54:29,826 INFO L189 CegarLoopUtils]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-12-23 01:54:29,826 INFO L189 CegarLoopUtils]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-12-23 01:54:29,826 INFO L189 CegarLoopUtils]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,826 INFO L189 CegarLoopUtils]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,826 INFO L189 CegarLoopUtils]: For program point L554(line 554) no Hoare annotation was computed. [2020-12-23 01:54:29,826 INFO L189 CegarLoopUtils]: For program point L488(line 488) no Hoare annotation was computed. [2020-12-23 01:54:29,826 INFO L189 CegarLoopUtils]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-12-23 01:54:29,826 INFO L189 CegarLoopUtils]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-12-23 01:54:29,826 INFO L189 CegarLoopUtils]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-12-23 01:54:29,826 INFO L189 CegarLoopUtils]: For program point L621(line 621) no Hoare annotation was computed. [2020-12-23 01:54:29,827 INFO L189 CegarLoopUtils]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-12-23 01:54:29,827 INFO L189 CegarLoopUtils]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-12-23 01:54:29,827 INFO L189 CegarLoopUtils]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-12-23 01:54:29,827 INFO L189 CegarLoopUtils]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,827 INFO L189 CegarLoopUtils]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,827 INFO L189 CegarLoopUtils]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-12-23 01:54:29,827 INFO L189 CegarLoopUtils]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,827 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 01:54:29,827 INFO L189 CegarLoopUtils]: For program point L557(line 557) no Hoare annotation was computed. [2020-12-23 01:54:29,827 INFO L189 CegarLoopUtils]: For program point L491(line 491) no Hoare annotation was computed. [2020-12-23 01:54:29,828 INFO L189 CegarLoopUtils]: For program point L425(line 425) no Hoare annotation was computed. [2020-12-23 01:54:29,828 INFO L189 CegarLoopUtils]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-12-23 01:54:29,828 INFO L189 CegarLoopUtils]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-12-23 01:54:29,828 INFO L189 CegarLoopUtils]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-12-23 01:54:29,828 INFO L189 CegarLoopUtils]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,828 INFO L189 CegarLoopUtils]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,828 INFO L189 CegarLoopUtils]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,828 INFO L189 CegarLoopUtils]: For program point L560(line 560) no Hoare annotation was computed. [2020-12-23 01:54:29,828 INFO L189 CegarLoopUtils]: For program point L494(line 494) no Hoare annotation was computed. [2020-12-23 01:54:29,828 INFO L189 CegarLoopUtils]: For program point L428(line 428) no Hoare annotation was computed. [2020-12-23 01:54:29,829 INFO L189 CegarLoopUtils]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-12-23 01:54:29,829 INFO L189 CegarLoopUtils]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-12-23 01:54:29,829 INFO L189 CegarLoopUtils]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,829 INFO L189 CegarLoopUtils]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,829 INFO L189 CegarLoopUtils]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:29,829 INFO L189 CegarLoopUtils]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-12-23 01:54:29,829 INFO L189 CegarLoopUtils]: For program point L563(line 563) no Hoare annotation was computed. [2020-12-23 01:54:29,829 INFO L189 CegarLoopUtils]: For program point L497(line 497) no Hoare annotation was computed. [2020-12-23 01:54:29,829 INFO L189 CegarLoopUtils]: For program point L431(line 431) no Hoare annotation was computed. [2020-12-23 01:54:29,829 INFO L189 CegarLoopUtils]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-12-23 01:54:29,830 INFO L189 CegarLoopUtils]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-12-23 01:54:29,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:54:29 BoogieIcfgContainer [2020-12-23 01:54:29,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 01:54:29,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 01:54:29,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 01:54:29,852 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 01:54:29,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:54:17" (3/4) ... [2020-12-23 01:54:29,860 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 01:54:29,879 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 01:54:29,881 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 01:54:29,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:54:29,883 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:54:30,017 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem02_label46.c-witness.graphml [2020-12-23 01:54:30,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 01:54:30,019 INFO L168 Benchmark]: Toolchain (without parser) took 14818.54 ms. Allocated memory was 169.9 MB in the beginning and 388.0 MB in the end (delta: 218.1 MB). Free memory was 142.7 MB in the beginning and 163.6 MB in the end (delta: -20.9 MB). Peak memory consumption was 198.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:54:30,019 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 169.9 MB. Free memory is still 142.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 01:54:30,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.09 ms. Allocated memory is still 169.9 MB. Free memory was 142.5 MB in the beginning and 116.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:54:30,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.59 ms. Allocated memory is still 169.9 MB. Free memory was 116.5 MB in the beginning and 111.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:54:30,020 INFO L168 Benchmark]: Boogie Preprocessor took 61.83 ms. Allocated memory is still 169.9 MB. Free memory was 111.1 MB in the beginning and 106.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:54:30,020 INFO L168 Benchmark]: RCFGBuilder took 1580.99 ms. Allocated memory is still 169.9 MB. Free memory was 106.7 MB in the beginning and 55.4 MB in the end (delta: 51.2 MB). Peak memory consumption was 50.5 MB. Max. memory is 8.0 GB. [2020-12-23 01:54:30,021 INFO L168 Benchmark]: TraceAbstraction took 12082.66 ms. Allocated memory was 223.3 MB in the beginning and 388.0 MB in the end (delta: 164.6 MB). Free memory was 199.2 MB in the beginning and 178.2 MB in the end (delta: 21.0 MB). Peak memory consumption was 185.6 MB. Max. memory is 8.0 GB. [2020-12-23 01:54:30,021 INFO L168 Benchmark]: Witness Printer took 166.18 ms. Allocated memory is still 388.0 MB. Free memory was 178.2 MB in the beginning and 163.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:54:30,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 169.9 MB. Free memory is still 142.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 779.09 ms. Allocated memory is still 169.9 MB. Free memory was 142.5 MB in the beginning and 116.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 115.59 ms. Allocated memory is still 169.9 MB. Free memory was 116.5 MB in the beginning and 111.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 61.83 ms. Allocated memory is still 169.9 MB. Free memory was 111.1 MB in the beginning and 106.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1580.99 ms. Allocated memory is still 169.9 MB. Free memory was 106.7 MB in the beginning and 55.4 MB in the end (delta: 51.2 MB). Peak memory consumption was 50.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 12082.66 ms. Allocated memory was 223.3 MB in the beginning and 388.0 MB in the end (delta: 164.6 MB). Free memory was 199.2 MB in the beginning and 178.2 MB in the end (delta: 21.0 MB). Peak memory consumption was 185.6 MB. Max. memory is 8.0 GB. * Witness Printer took 166.18 ms. Allocated memory is still 388.0 MB. Free memory was 178.2 MB in the beginning and 163.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: 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 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((((a19 <= 0 && a11 == 1) && a17 <= 8) && a28 <= 10) || ((((a19 <= 0 && a25 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10)) || ((a28 <= 9 && a11 == 1) && a17 <= 8)) || (((a19 <= 0 && a11 == 0) && a28 <= 9) && a17 <= 8)) || ((((9 <= a28 && a19 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10)) || (((a25 == 1 && a11 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a11 == 0) && a17 <= 8)) || ((((a25 == a11 && a19 == 1) && a11 == 0) && a28 <= 7) && a17 <= 8) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((a19 <= 0 && a11 == 1) && a17 <= 8) && a28 <= 10) || ((((a19 <= 0 && a25 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10)) || ((a28 <= 9 && a11 == 1) && a17 <= 8)) || (((a19 <= 0 && a11 == 0) && a28 <= 9) && a17 <= 8)) || ((((9 <= a28 && a19 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10)) || (((a25 == 1 && a11 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a11 == 0) && a17 <= 8)) || ((((a25 == a11 && a19 == 1) && a11 == 0) && a28 <= 7) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.6s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1423 SDtfs, 1504 SDslu, 152 SDs, 0 SdLazy, 4019 SolverSat, 612 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 859 GetRequests, 833 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2145occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 147 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 223 HoareAnnotationTreeSize, 3 FomulaSimplifications, 314 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 80 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2417 NumberOfCodeBlocks, 2417 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2400 ConstructedInterpolants, 0 QuantifiedInterpolants, 962982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1751 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 712/748 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...