/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/Problem01_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 11:46:52,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 11:46:52,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 11:46:52,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 11:46:52,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 11:46:52,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 11:46:52,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 11:46:52,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 11:46:52,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 11:46:52,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 11:46:52,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 11:46:52,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 11:46:52,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 11:46:52,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 11:46:52,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 11:46:52,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 11:46:52,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 11:46:52,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 11:46:52,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 11:46:52,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 11:46:52,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 11:46:52,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 11:46:52,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 11:46:52,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 11:46:52,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 11:46:52,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 11:46:52,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 11:46:52,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 11:46:52,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 11:46:52,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 11:46:52,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 11:46:52,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 11:46:52,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 11:46:52,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 11:46:52,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 11:46:52,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 11:46:52,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 11:46:52,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 11:46:52,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 11:46:52,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 11:46:52,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 11:46:52,742 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 11:46:52,797 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 11:46:52,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 11:46:52,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 11:46:52,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 11:46:52,804 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 11:46:52,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 11:46:52,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 11:46:52,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 11:46:52,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 11:46:52,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 11:46:52,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 11:46:52,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 11:46:52,807 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 11:46:52,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 11:46:52,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 11:46:52,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 11:46:52,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 11:46:52,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 11:46:52,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 11:46:52,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 11:46:52,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 11:46:52,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 11:46:52,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 11:46:52,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 11:46:52,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 11:46:52,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 11:46:53,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 11:46:53,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 11:46:53,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 11:46:53,291 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 11:46:53,292 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 11:46:53,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label45.c [2021-01-06 11:46:53,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b159064f3/9540d182f94846a9a47913c919a8700d/FLAG27da3fc5d [2021-01-06 11:46:54,266 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 11:46:54,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label45.c [2021-01-06 11:46:54,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b159064f3/9540d182f94846a9a47913c919a8700d/FLAG27da3fc5d [2021-01-06 11:46:54,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b159064f3/9540d182f94846a9a47913c919a8700d [2021-01-06 11:46:54,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 11:46:54,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 11:46:54,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 11:46:54,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 11:46:54,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 11:46:54,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:46:54" (1/1) ... [2021-01-06 11:46:54,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea0d520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:54, skipping insertion in model container [2021-01-06 11:46:54,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:46:54" (1/1) ... [2021-01-06 11:46:54,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 11:46:54,563 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,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[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,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[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,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[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,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[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,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[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] [2021-01-06 11:46:55,027 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/Problem01_label45.c[20099,20112] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 11:46:55,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:46:55,099 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,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[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,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[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,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[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,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[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,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[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a20~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a8~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a16~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a7~0,GLOBAL] [2021-01-06 11:46:55,277 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/Problem01_label45.c[20099,20112] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 11:46:55,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:46:55,313 INFO L208 MainTranslator]: Completed translation [2021-01-06 11:46:55,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:55 WrapperNode [2021-01-06 11:46:55,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 11:46:55,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 11:46:55,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 11:46:55,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 11:46:55,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:55" (1/1) ... [2021-01-06 11:46:55,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:55" (1/1) ... [2021-01-06 11:46:55,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 11:46:55,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 11:46:55,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 11:46:55,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 11:46:55,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:55" (1/1) ... [2021-01-06 11:46:55,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:55" (1/1) ... [2021-01-06 11:46:55,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:55" (1/1) ... [2021-01-06 11:46:55,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:55" (1/1) ... [2021-01-06 11:46:55,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:55" (1/1) ... [2021-01-06 11:46:55,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:55" (1/1) ... [2021-01-06 11:46:55,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:55" (1/1) ... [2021-01-06 11:46:55,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 11:46:55,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 11:46:55,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 11:46:55,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 11:46:55,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:55" (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 [2021-01-06 11:46:55,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 11:46:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 11:46:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 11:46:55,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 11:46:57,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 11:46:57,413 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 11:46:57,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:46:57 BoogieIcfgContainer [2021-01-06 11:46:57,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 11:46:57,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 11:46:57,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 11:46:57,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 11:46:57,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:46:54" (1/3) ... [2021-01-06 11:46:57,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b5e642e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:46:57, skipping insertion in model container [2021-01-06 11:46:57,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:46:55" (2/3) ... [2021-01-06 11:46:57,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b5e642e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:46:57, skipping insertion in model container [2021-01-06 11:46:57,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:46:57" (3/3) ... [2021-01-06 11:46:57,428 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label45.c [2021-01-06 11:46:57,437 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 11:46:57,444 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 11:46:57,470 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 11:46:57,505 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 11:46:57,506 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 11:46:57,506 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 11:46:57,506 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 11:46:57,506 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 11:46:57,506 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 11:46:57,507 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 11:46:57,507 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 11:46:57,530 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2021-01-06 11:46:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-01-06 11:46:57,546 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:57,547 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, 1, 1, 1, 1, 1] [2021-01-06 11:46:57,548 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:57,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:57,556 INFO L82 PathProgramCache]: Analyzing trace with hash -286323610, now seen corresponding path program 1 times [2021-01-06 11:46:57,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:57,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565301675] [2021-01-06 11:46:57,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:58,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:46:58,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565301675] [2021-01-06 11:46:58,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:46:58,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 11:46:58,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597335862] [2021-01-06 11:46:58,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:58,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:58,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:58,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:46:58,143 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2021-01-06 11:46:59,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:46:59,130 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2021-01-06 11:46:59,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:46:59,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2021-01-06 11:46:59,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:46:59,152 INFO L225 Difference]: With dead ends: 528 [2021-01-06 11:46:59,152 INFO L226 Difference]: Without dead ends: 266 [2021-01-06 11:46:59,158 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 [2021-01-06 11:46:59,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-01-06 11:46:59,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-01-06 11:46:59,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2021-01-06 11:46:59,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2021-01-06 11:46:59,253 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 117 [2021-01-06 11:46:59,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:46:59,255 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2021-01-06 11:46:59,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:46:59,255 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2021-01-06 11:46:59,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-01-06 11:46:59,265 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:46:59,266 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:46:59,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 11:46:59,267 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:46:59,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:46:59,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1653159310, now seen corresponding path program 1 times [2021-01-06 11:46:59,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:46:59,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207441064] [2021-01-06 11:46:59,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:46:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:46:59,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:46:59,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207441064] [2021-01-06 11:46:59,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:46:59,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 11:46:59,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410262490] [2021-01-06 11:46:59,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:46:59,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:46:59,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:46:59,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:46:59,450 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2021-01-06 11:47:00,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:47:00,051 INFO L93 Difference]: Finished difference Result 794 states and 1136 transitions. [2021-01-06 11:47:00,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:47:00,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2021-01-06 11:47:00,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:47:00,063 INFO L225 Difference]: With dead ends: 794 [2021-01-06 11:47:00,063 INFO L226 Difference]: Without dead ends: 530 [2021-01-06 11:47:00,070 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 [2021-01-06 11:47:00,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2021-01-06 11:47:00,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 528. [2021-01-06 11:47:00,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2021-01-06 11:47:00,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 721 transitions. [2021-01-06 11:47:00,140 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 721 transitions. Word has length 122 [2021-01-06 11:47:00,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:47:00,143 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 721 transitions. [2021-01-06 11:47:00,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:47:00,144 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 721 transitions. [2021-01-06 11:47:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-01-06 11:47:00,147 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:47:00,151 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:47:00,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 11:47:00,152 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:47:00,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:47:00,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1760692696, now seen corresponding path program 1 times [2021-01-06 11:47:00,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:47:00,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786269982] [2021-01-06 11:47:00,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:47:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:47:00,317 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:47:00,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786269982] [2021-01-06 11:47:00,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:47:00,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 11:47:00,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30836488] [2021-01-06 11:47:00,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:47:00,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:47:00,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:47:00,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:47:00,320 INFO L87 Difference]: Start difference. First operand 528 states and 721 transitions. Second operand 3 states. [2021-01-06 11:47:00,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:47:00,981 INFO L93 Difference]: Finished difference Result 1578 states and 2158 transitions. [2021-01-06 11:47:00,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:47:00,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2021-01-06 11:47:00,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:47:00,990 INFO L225 Difference]: With dead ends: 1578 [2021-01-06 11:47:00,990 INFO L226 Difference]: Without dead ends: 1052 [2021-01-06 11:47:00,992 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 [2021-01-06 11:47:00,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2021-01-06 11:47:01,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2021-01-06 11:47:01,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2021-01-06 11:47:01,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1365 transitions. [2021-01-06 11:47:01,029 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1365 transitions. Word has length 126 [2021-01-06 11:47:01,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:47:01,030 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1365 transitions. [2021-01-06 11:47:01,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:47:01,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1365 transitions. [2021-01-06 11:47:01,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-01-06 11:47:01,034 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:47:01,034 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:47:01,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 11:47:01,034 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:47:01,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:47:01,035 INFO L82 PathProgramCache]: Analyzing trace with hash 9281633, now seen corresponding path program 1 times [2021-01-06 11:47:01,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:47:01,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350088841] [2021-01-06 11:47:01,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:47:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:47:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:47:01,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350088841] [2021-01-06 11:47:01,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:47:01,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:47:01,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800654057] [2021-01-06 11:47:01,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 11:47:01,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:47:01,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 11:47:01,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:47:01,179 INFO L87 Difference]: Start difference. First operand 1052 states and 1365 transitions. Second operand 4 states. [2021-01-06 11:47:02,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:47:02,208 INFO L93 Difference]: Finished difference Result 2626 states and 3384 transitions. [2021-01-06 11:47:02,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 11:47:02,209 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2021-01-06 11:47:02,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:47:02,219 INFO L225 Difference]: With dead ends: 2626 [2021-01-06 11:47:02,219 INFO L226 Difference]: Without dead ends: 1576 [2021-01-06 11:47:02,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:47:02,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2021-01-06 11:47:02,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1314. [2021-01-06 11:47:02,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2021-01-06 11:47:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1657 transitions. [2021-01-06 11:47:02,293 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1657 transitions. Word has length 129 [2021-01-06 11:47:02,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:47:02,295 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1657 transitions. [2021-01-06 11:47:02,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 11:47:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1657 transitions. [2021-01-06 11:47:02,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-01-06 11:47:02,304 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:47:02,304 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2021-01-06 11:47:02,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 11:47:02,305 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:47:02,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:47:02,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1716194832, now seen corresponding path program 1 times [2021-01-06 11:47:02,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:47:02,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896381109] [2021-01-06 11:47:02,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:47:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:47:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:47:02,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896381109] [2021-01-06 11:47:02,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:47:02,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:47:02,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791646388] [2021-01-06 11:47:02,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:47:02,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:47:02,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:47:02,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:47:02,445 INFO L87 Difference]: Start difference. First operand 1314 states and 1657 transitions. Second operand 3 states. [2021-01-06 11:47:03,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:47:03,060 INFO L93 Difference]: Finished difference Result 3543 states and 4507 transitions. [2021-01-06 11:47:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:47:03,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2021-01-06 11:47:03,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:47:03,077 INFO L225 Difference]: With dead ends: 3543 [2021-01-06 11:47:03,077 INFO L226 Difference]: Without dead ends: 2231 [2021-01-06 11:47:03,080 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 [2021-01-06 11:47:03,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2021-01-06 11:47:03,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1838. [2021-01-06 11:47:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2021-01-06 11:47:03,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2351 transitions. [2021-01-06 11:47:03,147 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2351 transitions. Word has length 130 [2021-01-06 11:47:03,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:47:03,147 INFO L481 AbstractCegarLoop]: Abstraction has 1838 states and 2351 transitions. [2021-01-06 11:47:03,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:47:03,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2351 transitions. [2021-01-06 11:47:03,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-01-06 11:47:03,152 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:47:03,152 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1] [2021-01-06 11:47:03,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 11:47:03,153 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:47:03,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:47:03,154 INFO L82 PathProgramCache]: Analyzing trace with hash 821236311, now seen corresponding path program 1 times [2021-01-06 11:47:03,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:47:03,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563987256] [2021-01-06 11:47:03,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:47:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:47:03,283 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-01-06 11:47:03,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563987256] [2021-01-06 11:47:03,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:47:03,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 11:47:03,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375906247] [2021-01-06 11:47:03,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:47:03,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:47:03,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:47:03,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:47:03,289 INFO L87 Difference]: Start difference. First operand 1838 states and 2351 transitions. Second operand 3 states. [2021-01-06 11:47:03,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:47:03,860 INFO L93 Difference]: Finished difference Result 4067 states and 5165 transitions. [2021-01-06 11:47:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:47:03,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2021-01-06 11:47:03,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:47:03,872 INFO L225 Difference]: With dead ends: 4067 [2021-01-06 11:47:03,873 INFO L226 Difference]: Without dead ends: 2231 [2021-01-06 11:47:03,876 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 [2021-01-06 11:47:03,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2021-01-06 11:47:03,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231. [2021-01-06 11:47:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2021-01-06 11:47:03,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2762 transitions. [2021-01-06 11:47:03,933 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2762 transitions. Word has length 133 [2021-01-06 11:47:03,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:47:03,933 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2762 transitions. [2021-01-06 11:47:03,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:47:03,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2762 transitions. [2021-01-06 11:47:03,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-01-06 11:47:03,938 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:47:03,939 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1] [2021-01-06 11:47:03,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 11:47:03,939 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:47:03,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:47:03,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1802460959, now seen corresponding path program 1 times [2021-01-06 11:47:03,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:47:03,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369442783] [2021-01-06 11:47:03,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:47:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:47:04,028 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-01-06 11:47:04,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369442783] [2021-01-06 11:47:04,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:47:04,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:47:04,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898365219] [2021-01-06 11:47:04,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 11:47:04,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:47:04,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 11:47:04,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:47:04,032 INFO L87 Difference]: Start difference. First operand 2231 states and 2762 transitions. Second operand 4 states. [2021-01-06 11:47:04,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:47:04,873 INFO L93 Difference]: Finished difference Result 4591 states and 5671 transitions. [2021-01-06 11:47:04,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 11:47:04,874 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2021-01-06 11:47:04,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:47:04,886 INFO L225 Difference]: With dead ends: 4591 [2021-01-06 11:47:04,887 INFO L226 Difference]: Without dead ends: 2362 [2021-01-06 11:47:04,890 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 11:47:04,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2021-01-06 11:47:04,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2100. [2021-01-06 11:47:04,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2021-01-06 11:47:04,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2559 transitions. [2021-01-06 11:47:04,969 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2559 transitions. Word has length 137 [2021-01-06 11:47:04,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:47:04,970 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2559 transitions. [2021-01-06 11:47:04,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 11:47:04,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2559 transitions. [2021-01-06 11:47:04,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-01-06 11:47:04,976 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:47:04,976 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:47:04,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 11:47:04,977 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:47:04,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:47:04,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1513652406, now seen corresponding path program 1 times [2021-01-06 11:47:04,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:47:04,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716318826] [2021-01-06 11:47:04,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:47:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:47:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:47:05,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716318826] [2021-01-06 11:47:05,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:47:05,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 11:47:05,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024487144] [2021-01-06 11:47:05,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:47:05,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:47:05,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:47:05,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:47:05,082 INFO L87 Difference]: Start difference. First operand 2100 states and 2559 transitions. Second operand 3 states. [2021-01-06 11:47:05,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:47:05,653 INFO L93 Difference]: Finished difference Result 4591 states and 5539 transitions. [2021-01-06 11:47:05,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:47:05,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2021-01-06 11:47:05,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:47:05,665 INFO L225 Difference]: With dead ends: 4591 [2021-01-06 11:47:05,665 INFO L226 Difference]: Without dead ends: 2231 [2021-01-06 11:47:05,669 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 [2021-01-06 11:47:05,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2021-01-06 11:47:05,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231. [2021-01-06 11:47:05,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2021-01-06 11:47:05,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2516 transitions. [2021-01-06 11:47:05,722 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2516 transitions. Word has length 146 [2021-01-06 11:47:05,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:47:05,723 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2516 transitions. [2021-01-06 11:47:05,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:47:05,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2516 transitions. [2021-01-06 11:47:05,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-01-06 11:47:05,728 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:47:05,729 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:47:05,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 11:47:05,729 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:47:05,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:47:05,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1578354814, now seen corresponding path program 1 times [2021-01-06 11:47:05,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:47:05,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868845813] [2021-01-06 11:47:05,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:47:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:47:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:47:05,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868845813] [2021-01-06 11:47:05,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488186623] [2021-01-06 11:47:05,849 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 [2021-01-06 11:47:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:47:05,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:47:06,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:47:06,309 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 11:47:06,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:47:06,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-01-06 11:47:06,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383135671] [2021-01-06 11:47:06,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:47:06,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:47:06,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:47:06,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:47:06,313 INFO L87 Difference]: Start difference. First operand 2231 states and 2516 transitions. Second operand 3 states. [2021-01-06 11:47:06,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:47:06,929 INFO L93 Difference]: Finished difference Result 5115 states and 5802 transitions. [2021-01-06 11:47:06,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:47:06,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2021-01-06 11:47:06,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:47:06,944 INFO L225 Difference]: With dead ends: 5115 [2021-01-06 11:47:06,944 INFO L226 Difference]: Without dead ends: 2886 [2021-01-06 11:47:06,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:47:06,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2021-01-06 11:47:07,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2886. [2021-01-06 11:47:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2886 states. [2021-01-06 11:47:07,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 3241 transitions. [2021-01-06 11:47:07,033 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 3241 transitions. Word has length 150 [2021-01-06 11:47:07,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:47:07,035 INFO L481 AbstractCegarLoop]: Abstraction has 2886 states and 3241 transitions. [2021-01-06 11:47:07,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:47:07,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 3241 transitions. [2021-01-06 11:47:07,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-01-06 11:47:07,041 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:47:07,042 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:47:07,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 11:47:07,259 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:47:07,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:47:07,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1529969293, now seen corresponding path program 1 times [2021-01-06 11:47:07,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:47:07,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087402993] [2021-01-06 11:47:07,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:47:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:47:07,399 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-01-06 11:47:07,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087402993] [2021-01-06 11:47:07,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684321098] [2021-01-06 11:47:07,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 11:47:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:47:07,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:47:07,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:47:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-01-06 11:47:07,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:47:07,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-01-06 11:47:07,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724392493] [2021-01-06 11:47:07,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:47:07,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:47:07,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:47:07,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:47:07,884 INFO L87 Difference]: Start difference. First operand 2886 states and 3241 transitions. Second operand 3 states. [2021-01-06 11:47:08,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:47:08,561 INFO L93 Difference]: Finished difference Result 6163 states and 6892 transitions. [2021-01-06 11:47:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:47:08,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2021-01-06 11:47:08,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:47:08,579 INFO L225 Difference]: With dead ends: 6163 [2021-01-06 11:47:08,580 INFO L226 Difference]: Without dead ends: 3279 [2021-01-06 11:47:08,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:47:08,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2021-01-06 11:47:08,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3148. [2021-01-06 11:47:08,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3148 states. [2021-01-06 11:47:08,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3466 transitions. [2021-01-06 11:47:08,661 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3466 transitions. Word has length 166 [2021-01-06 11:47:08,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:47:08,662 INFO L481 AbstractCegarLoop]: Abstraction has 3148 states and 3466 transitions. [2021-01-06 11:47:08,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:47:08,662 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3466 transitions. [2021-01-06 11:47:08,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-01-06 11:47:08,672 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:47:08,672 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:47:08,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 11:47:08,886 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:47:08,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:47:08,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1749914079, now seen corresponding path program 1 times [2021-01-06 11:47:08,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:47:08,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887580695] [2021-01-06 11:47:08,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:47:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:47:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-01-06 11:47:09,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887580695] [2021-01-06 11:47:09,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:47:09,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 11:47:09,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992464648] [2021-01-06 11:47:09,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:47:09,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:47:09,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:47:09,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:47:09,083 INFO L87 Difference]: Start difference. First operand 3148 states and 3466 transitions. Second operand 3 states. [2021-01-06 11:47:09,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:47:09,694 INFO L93 Difference]: Finished difference Result 7211 states and 7973 transitions. [2021-01-06 11:47:09,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:47:09,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2021-01-06 11:47:09,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:47:09,713 INFO L225 Difference]: With dead ends: 7211 [2021-01-06 11:47:09,714 INFO L226 Difference]: Without dead ends: 4065 [2021-01-06 11:47:09,719 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 [2021-01-06 11:47:09,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4065 states. [2021-01-06 11:47:09,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4065 to 3541. [2021-01-06 11:47:09,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3541 states. [2021-01-06 11:47:09,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 3914 transitions. [2021-01-06 11:47:09,809 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 3914 transitions. Word has length 167 [2021-01-06 11:47:09,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:47:09,810 INFO L481 AbstractCegarLoop]: Abstraction has 3541 states and 3914 transitions. [2021-01-06 11:47:09,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:47:09,810 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 3914 transitions. [2021-01-06 11:47:09,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-01-06 11:47:09,821 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:47:09,821 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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, 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] [2021-01-06 11:47:09,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 11:47:09,822 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:47:09,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:47:09,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1237926034, now seen corresponding path program 1 times [2021-01-06 11:47:09,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:47:09,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720381055] [2021-01-06 11:47:09,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:47:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:47:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 64 proven. 3 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-01-06 11:47:09,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720381055] [2021-01-06 11:47:09,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528022155] [2021-01-06 11:47:09,954 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 [2021-01-06 11:47:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:47:10,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 11:47:10,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 11:47:10,369 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-01-06 11:47:10,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 11:47:10,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-01-06 11:47:10,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067811016] [2021-01-06 11:47:10,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:47:10,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:47:10,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:47:10,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:47:10,372 INFO L87 Difference]: Start difference. First operand 3541 states and 3914 transitions. Second operand 3 states. [2021-01-06 11:47:10,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:47:10,920 INFO L93 Difference]: Finished difference Result 7602 states and 8396 transitions. [2021-01-06 11:47:10,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:47:10,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2021-01-06 11:47:10,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:47:10,921 INFO L225 Difference]: With dead ends: 7602 [2021-01-06 11:47:10,921 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 11:47:10,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 11:47:10,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 11:47:10,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 11:47:10,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 11:47:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 11:47:10,931 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2021-01-06 11:47:10,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:47:10,931 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 11:47:10,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:47:10,932 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 11:47:10,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 11:47:11,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-06 11:47:11,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 11:47:11,395 INFO L189 CegarLoopUtils]: For program point L564(line 564) no Hoare annotation was computed. [2021-01-06 11:47:11,395 INFO L189 CegarLoopUtils]: For program point L531(line 531) no Hoare annotation was computed. [2021-01-06 11:47:11,395 INFO L189 CegarLoopUtils]: For program point L498(line 498) no Hoare annotation was computed. [2021-01-06 11:47:11,395 INFO L189 CegarLoopUtils]: For program point L465(line 465) no Hoare annotation was computed. [2021-01-06 11:47:11,395 INFO L189 CegarLoopUtils]: For program point L432(line 432) no Hoare annotation was computed. [2021-01-06 11:47:11,396 INFO L189 CegarLoopUtils]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-01-06 11:47:11,396 INFO L189 CegarLoopUtils]: For program point L598(line 598) no Hoare annotation was computed. [2021-01-06 11:47:11,396 INFO L189 CegarLoopUtils]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-01-06 11:47:11,396 INFO L189 CegarLoopUtils]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,396 INFO L189 CegarLoopUtils]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,396 INFO L189 CegarLoopUtils]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,396 INFO L189 CegarLoopUtils]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,397 INFO L189 CegarLoopUtils]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-01-06 11:47:11,397 INFO L189 CegarLoopUtils]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,397 INFO L189 CegarLoopUtils]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,397 INFO L189 CegarLoopUtils]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-01-06 11:47:11,397 INFO L189 CegarLoopUtils]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-01-06 11:47:11,397 INFO L189 CegarLoopUtils]: For program point L567(line 567) no Hoare annotation was computed. [2021-01-06 11:47:11,397 INFO L189 CegarLoopUtils]: For program point L534(line 534) no Hoare annotation was computed. [2021-01-06 11:47:11,397 INFO L189 CegarLoopUtils]: For program point L501(line 501) no Hoare annotation was computed. [2021-01-06 11:47:11,398 INFO L189 CegarLoopUtils]: For program point L468(line 468) no Hoare annotation was computed. [2021-01-06 11:47:11,398 INFO L189 CegarLoopUtils]: For program point L435(line 435) no Hoare annotation was computed. [2021-01-06 11:47:11,398 INFO L189 CegarLoopUtils]: For program point L402(line 402) no Hoare annotation was computed. [2021-01-06 11:47:11,398 INFO L189 CegarLoopUtils]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-01-06 11:47:11,398 INFO L189 CegarLoopUtils]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-01-06 11:47:11,398 INFO L189 CegarLoopUtils]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-01-06 11:47:11,398 INFO L189 CegarLoopUtils]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-01-06 11:47:11,398 INFO L189 CegarLoopUtils]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,399 INFO L189 CegarLoopUtils]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,399 INFO L189 CegarLoopUtils]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,399 INFO L189 CegarLoopUtils]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,399 INFO L189 CegarLoopUtils]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,399 INFO L189 CegarLoopUtils]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-01-06 11:47:11,399 INFO L189 CegarLoopUtils]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,399 INFO L189 CegarLoopUtils]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-01-06 11:47:11,399 INFO L189 CegarLoopUtils]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-01-06 11:47:11,400 INFO L189 CegarLoopUtils]: For program point L570(line 570) no Hoare annotation was computed. [2021-01-06 11:47:11,400 INFO L189 CegarLoopUtils]: For program point L537(line 537) no Hoare annotation was computed. [2021-01-06 11:47:11,400 INFO L189 CegarLoopUtils]: For program point L504(line 504) no Hoare annotation was computed. [2021-01-06 11:47:11,400 INFO L189 CegarLoopUtils]: For program point L471(line 471) no Hoare annotation was computed. [2021-01-06 11:47:11,400 INFO L189 CegarLoopUtils]: For program point L438(line 438) no Hoare annotation was computed. [2021-01-06 11:47:11,400 INFO L189 CegarLoopUtils]: For program point L405(line 405) no Hoare annotation was computed. [2021-01-06 11:47:11,400 INFO L189 CegarLoopUtils]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-01-06 11:47:11,400 INFO L189 CegarLoopUtils]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-01-06 11:47:11,401 INFO L189 CegarLoopUtils]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-01-06 11:47:11,401 INFO L189 CegarLoopUtils]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-01-06 11:47:11,401 INFO L189 CegarLoopUtils]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-01-06 11:47:11,401 INFO L189 CegarLoopUtils]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-01-06 11:47:11,401 INFO L189 CegarLoopUtils]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,401 INFO L189 CegarLoopUtils]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,401 INFO L189 CegarLoopUtils]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,401 INFO L189 CegarLoopUtils]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,402 INFO L189 CegarLoopUtils]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,402 INFO L189 CegarLoopUtils]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,402 INFO L189 CegarLoopUtils]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-01-06 11:47:11,402 INFO L189 CegarLoopUtils]: For program point L573(line 573) no Hoare annotation was computed. [2021-01-06 11:47:11,402 INFO L189 CegarLoopUtils]: For program point L540(line 540) no Hoare annotation was computed. [2021-01-06 11:47:11,402 INFO L189 CegarLoopUtils]: For program point L507(line 507) no Hoare annotation was computed. [2021-01-06 11:47:11,402 INFO L189 CegarLoopUtils]: For program point L474(line 474) no Hoare annotation was computed. [2021-01-06 11:47:11,402 INFO L189 CegarLoopUtils]: For program point L441(line 441) no Hoare annotation was computed. [2021-01-06 11:47:11,403 INFO L189 CegarLoopUtils]: For program point L408(line 408) no Hoare annotation was computed. [2021-01-06 11:47:11,403 INFO L189 CegarLoopUtils]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-01-06 11:47:11,403 INFO L189 CegarLoopUtils]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-01-06 11:47:11,403 INFO L189 CegarLoopUtils]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-01-06 11:47:11,403 INFO L189 CegarLoopUtils]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-01-06 11:47:11,403 INFO L189 CegarLoopUtils]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-01-06 11:47:11,403 INFO L189 CegarLoopUtils]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,403 INFO L189 CegarLoopUtils]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,403 INFO L189 CegarLoopUtils]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,404 INFO L189 CegarLoopUtils]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,404 INFO L189 CegarLoopUtils]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,404 INFO L189 CegarLoopUtils]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,404 INFO L189 CegarLoopUtils]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-01-06 11:47:11,404 INFO L189 CegarLoopUtils]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-01-06 11:47:11,404 INFO L189 CegarLoopUtils]: For program point L576(line 576) no Hoare annotation was computed. [2021-01-06 11:47:11,404 INFO L189 CegarLoopUtils]: For program point L543(line 543) no Hoare annotation was computed. [2021-01-06 11:47:11,404 INFO L189 CegarLoopUtils]: For program point L510(line 510) no Hoare annotation was computed. [2021-01-06 11:47:11,404 INFO L189 CegarLoopUtils]: For program point L477(line 477) no Hoare annotation was computed. [2021-01-06 11:47:11,405 INFO L189 CegarLoopUtils]: For program point L444(line 444) no Hoare annotation was computed. [2021-01-06 11:47:11,405 INFO L189 CegarLoopUtils]: For program point L411(line 411) no Hoare annotation was computed. [2021-01-06 11:47:11,405 INFO L189 CegarLoopUtils]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-01-06 11:47:11,405 INFO L189 CegarLoopUtils]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-01-06 11:47:11,405 INFO L189 CegarLoopUtils]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,405 INFO L189 CegarLoopUtils]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,405 INFO L189 CegarLoopUtils]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,405 INFO L189 CegarLoopUtils]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,405 INFO L189 CegarLoopUtils]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,406 INFO L189 CegarLoopUtils]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,406 INFO L189 CegarLoopUtils]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-01-06 11:47:11,406 INFO L189 CegarLoopUtils]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-01-06 11:47:11,406 INFO L189 CegarLoopUtils]: For program point L579(line 579) no Hoare annotation was computed. [2021-01-06 11:47:11,406 INFO L189 CegarLoopUtils]: For program point L546(line 546) no Hoare annotation was computed. [2021-01-06 11:47:11,406 INFO L189 CegarLoopUtils]: For program point L513(line 513) no Hoare annotation was computed. [2021-01-06 11:47:11,406 INFO L189 CegarLoopUtils]: For program point L480(line 480) no Hoare annotation was computed. [2021-01-06 11:47:11,406 INFO L189 CegarLoopUtils]: For program point L447(line 447) no Hoare annotation was computed. [2021-01-06 11:47:11,406 INFO L189 CegarLoopUtils]: For program point L414(line 414) no Hoare annotation was computed. [2021-01-06 11:47:11,407 INFO L189 CegarLoopUtils]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-01-06 11:47:11,407 INFO L189 CegarLoopUtils]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-01-06 11:47:11,407 INFO L189 CegarLoopUtils]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-01-06 11:47:11,407 INFO L189 CegarLoopUtils]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-01-06 11:47:11,407 INFO L189 CegarLoopUtils]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-01-06 11:47:11,407 INFO L189 CegarLoopUtils]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-01-06 11:47:11,407 INFO L189 CegarLoopUtils]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-01-06 11:47:11,407 INFO L189 CegarLoopUtils]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,407 INFO L189 CegarLoopUtils]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,407 INFO L189 CegarLoopUtils]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,408 INFO L189 CegarLoopUtils]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,408 INFO L189 CegarLoopUtils]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,408 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 11:47:11,408 INFO L189 CegarLoopUtils]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-01-06 11:47:11,408 INFO L189 CegarLoopUtils]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-01-06 11:47:11,408 INFO L189 CegarLoopUtils]: For program point L582(line 582) no Hoare annotation was computed. [2021-01-06 11:47:11,408 INFO L189 CegarLoopUtils]: For program point L549(line 549) no Hoare annotation was computed. [2021-01-06 11:47:11,408 INFO L189 CegarLoopUtils]: For program point L516(line 516) no Hoare annotation was computed. [2021-01-06 11:47:11,408 INFO L189 CegarLoopUtils]: For program point L483(line 483) no Hoare annotation was computed. [2021-01-06 11:47:11,409 INFO L189 CegarLoopUtils]: For program point L450(line 450) no Hoare annotation was computed. [2021-01-06 11:47:11,409 INFO L189 CegarLoopUtils]: For program point L417(line 417) no Hoare annotation was computed. [2021-01-06 11:47:11,409 INFO L189 CegarLoopUtils]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-01-06 11:47:11,409 INFO L185 CegarLoopUtils]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1))) (or (and .cse0 (= ~a17~0 1)) (and (<= 14 ~a8~0) (<= ~a16~0 5)) (<= ~a16~0 4) (and (<= 6 ~a16~0) .cse0) (<= 15 ~a8~0))) [2021-01-06 11:47:11,409 INFO L189 CegarLoopUtils]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,409 INFO L189 CegarLoopUtils]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,410 INFO L189 CegarLoopUtils]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,410 INFO L189 CegarLoopUtils]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,410 INFO L189 CegarLoopUtils]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,410 INFO L189 CegarLoopUtils]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-01-06 11:47:11,410 INFO L189 CegarLoopUtils]: For program point L552(line 552) no Hoare annotation was computed. [2021-01-06 11:47:11,410 INFO L189 CegarLoopUtils]: For program point L519(line 519) no Hoare annotation was computed. [2021-01-06 11:47:11,410 INFO L189 CegarLoopUtils]: For program point L486(line 486) no Hoare annotation was computed. [2021-01-06 11:47:11,410 INFO L189 CegarLoopUtils]: For program point L453(line 453) no Hoare annotation was computed. [2021-01-06 11:47:11,411 INFO L189 CegarLoopUtils]: For program point L420(line 420) no Hoare annotation was computed. [2021-01-06 11:47:11,411 INFO L189 CegarLoopUtils]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-01-06 11:47:11,411 INFO L189 CegarLoopUtils]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-01-06 11:47:11,411 INFO L189 CegarLoopUtils]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-01-06 11:47:11,411 INFO L189 CegarLoopUtils]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-01-06 11:47:11,411 INFO L189 CegarLoopUtils]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-01-06 11:47:11,411 INFO L189 CegarLoopUtils]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-01-06 11:47:11,411 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 11:47:11,411 INFO L189 CegarLoopUtils]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-01-06 11:47:11,412 INFO L192 CegarLoopUtils]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-01-06 11:47:11,412 INFO L189 CegarLoopUtils]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,412 INFO L189 CegarLoopUtils]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,412 INFO L189 CegarLoopUtils]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,412 INFO L189 CegarLoopUtils]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,412 INFO L189 CegarLoopUtils]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,412 INFO L189 CegarLoopUtils]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-01-06 11:47:11,412 INFO L189 CegarLoopUtils]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-01-06 11:47:11,412 INFO L189 CegarLoopUtils]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-01-06 11:47:11,412 INFO L189 CegarLoopUtils]: For program point L555(line 555) no Hoare annotation was computed. [2021-01-06 11:47:11,413 INFO L189 CegarLoopUtils]: For program point L522(line 522) no Hoare annotation was computed. [2021-01-06 11:47:11,413 INFO L189 CegarLoopUtils]: For program point L489(line 489) no Hoare annotation was computed. [2021-01-06 11:47:11,413 INFO L189 CegarLoopUtils]: For program point L456(line 456) no Hoare annotation was computed. [2021-01-06 11:47:11,413 INFO L189 CegarLoopUtils]: For program point L423(line 423) no Hoare annotation was computed. [2021-01-06 11:47:11,413 INFO L189 CegarLoopUtils]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-01-06 11:47:11,413 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 11:47:11,413 INFO L189 CegarLoopUtils]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,413 INFO L189 CegarLoopUtils]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,413 INFO L189 CegarLoopUtils]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,413 INFO L189 CegarLoopUtils]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,414 INFO L189 CegarLoopUtils]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-01-06 11:47:11,414 INFO L189 CegarLoopUtils]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,414 INFO L189 CegarLoopUtils]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-01-06 11:47:11,414 INFO L189 CegarLoopUtils]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-01-06 11:47:11,414 INFO L189 CegarLoopUtils]: For program point L558(line 558) no Hoare annotation was computed. [2021-01-06 11:47:11,414 INFO L189 CegarLoopUtils]: For program point L525(line 525) no Hoare annotation was computed. [2021-01-06 11:47:11,414 INFO L189 CegarLoopUtils]: For program point L492(line 492) no Hoare annotation was computed. [2021-01-06 11:47:11,414 INFO L189 CegarLoopUtils]: For program point L459(line 459) no Hoare annotation was computed. [2021-01-06 11:47:11,414 INFO L189 CegarLoopUtils]: For program point L426(line 426) no Hoare annotation was computed. [2021-01-06 11:47:11,414 INFO L189 CegarLoopUtils]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-01-06 11:47:11,414 INFO L189 CegarLoopUtils]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-01-06 11:47:11,415 INFO L189 CegarLoopUtils]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-01-06 11:47:11,415 INFO L189 CegarLoopUtils]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-01-06 11:47:11,415 INFO L189 CegarLoopUtils]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-01-06 11:47:11,415 INFO L189 CegarLoopUtils]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-01-06 11:47:11,415 INFO L189 CegarLoopUtils]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,415 INFO L185 CegarLoopUtils]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1))) (or (and .cse0 (= ~a17~0 1)) (and (<= 14 ~a8~0) (<= ~a16~0 5)) (<= ~a16~0 4) (and (<= 6 ~a16~0) .cse0) (<= 15 ~a8~0))) [2021-01-06 11:47:11,415 INFO L189 CegarLoopUtils]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,415 INFO L189 CegarLoopUtils]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,416 INFO L189 CegarLoopUtils]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,416 INFO L189 CegarLoopUtils]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,416 INFO L189 CegarLoopUtils]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-01-06 11:47:11,416 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 11:47:11,416 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 537) no Hoare annotation was computed. [2021-01-06 11:47:11,416 INFO L189 CegarLoopUtils]: For program point L561(line 561) no Hoare annotation was computed. [2021-01-06 11:47:11,416 INFO L189 CegarLoopUtils]: For program point L528(line 528) no Hoare annotation was computed. [2021-01-06 11:47:11,416 INFO L189 CegarLoopUtils]: For program point L495(line 495) no Hoare annotation was computed. [2021-01-06 11:47:11,416 INFO L189 CegarLoopUtils]: For program point L462(line 462) no Hoare annotation was computed. [2021-01-06 11:47:11,417 INFO L189 CegarLoopUtils]: For program point L429(line 429) no Hoare annotation was computed. [2021-01-06 11:47:11,417 INFO L189 CegarLoopUtils]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-01-06 11:47:11,417 INFO L189 CegarLoopUtils]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-01-06 11:47:11,417 INFO L189 CegarLoopUtils]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,417 INFO L189 CegarLoopUtils]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,417 INFO L189 CegarLoopUtils]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,417 INFO L189 CegarLoopUtils]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,417 INFO L189 CegarLoopUtils]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-01-06 11:47:11,417 INFO L189 CegarLoopUtils]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-01-06 11:47:11,417 INFO L189 CegarLoopUtils]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-01-06 11:47:11,418 INFO L189 CegarLoopUtils]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-01-06 11:47:11,418 INFO L189 CegarLoopUtils]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-01-06 11:47:11,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 11:47:11 BoogieIcfgContainer [2021-01-06 11:47:11,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 11:47:11,441 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 11:47:11,442 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 11:47:11,442 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 11:47:11,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:46:57" (3/4) ... [2021-01-06 11:47:11,446 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 11:47:11,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-01-06 11:47:11,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 11:47:11,495 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 11:47:11,496 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 11:47:11,711 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem01_label45.c-witness.graphml [2021-01-06 11:47:11,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 11:47:11,714 INFO L168 Benchmark]: Toolchain (without parser) took 17265.50 ms. Allocated memory was 161.5 MB in the beginning and 367.0 MB in the end (delta: 205.5 MB). Free memory was 135.7 MB in the beginning and 329.6 MB in the end (delta: -193.9 MB). Peak memory consumption was 217.2 MB. Max. memory is 8.0 GB. [2021-01-06 11:47:11,714 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 161.5 MB. Free memory is still 133.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 11:47:11,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 860.57 ms. Allocated memory is still 161.5 MB. Free memory was 135.5 MB in the beginning and 108.2 MB in the end (delta: 27.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-01-06 11:47:11,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.46 ms. Allocated memory is still 161.5 MB. Free memory was 108.0 MB in the beginning and 138.7 MB in the end (delta: -30.6 MB). Peak memory consumption was 4.0 MB. Max. memory is 8.0 GB. [2021-01-06 11:47:11,716 INFO L168 Benchmark]: Boogie Preprocessor took 78.72 ms. Allocated memory is still 161.5 MB. Free memory was 138.7 MB in the beginning and 133.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-01-06 11:47:11,717 INFO L168 Benchmark]: RCFGBuilder took 1838.63 ms. Allocated memory was 161.5 MB in the beginning and 194.0 MB in the end (delta: 32.5 MB). Free memory was 133.9 MB in the beginning and 148.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 88.0 MB. Max. memory is 8.0 GB. [2021-01-06 11:47:11,717 INFO L168 Benchmark]: TraceAbstraction took 14022.88 ms. Allocated memory was 194.0 MB in the beginning and 367.0 MB in the end (delta: 173.0 MB). Free memory was 148.2 MB in the beginning and 126.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 195.5 MB. Max. memory is 8.0 GB. [2021-01-06 11:47:11,718 INFO L168 Benchmark]: Witness Printer took 269.84 ms. Allocated memory is still 367.0 MB. Free memory was 126.2 MB in the beginning and 329.6 MB in the end (delta: -203.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 11:47:11,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 161.5 MB. Free memory is still 133.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 860.57 ms. Allocated memory is still 161.5 MB. Free memory was 135.5 MB in the beginning and 108.2 MB in the end (delta: 27.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 181.46 ms. Allocated memory is still 161.5 MB. Free memory was 108.0 MB in the beginning and 138.7 MB in the end (delta: -30.6 MB). Peak memory consumption was 4.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 78.72 ms. Allocated memory is still 161.5 MB. Free memory was 138.7 MB in the beginning and 133.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1838.63 ms. Allocated memory was 161.5 MB in the beginning and 194.0 MB in the end (delta: 32.5 MB). Free memory was 133.9 MB in the beginning and 148.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 88.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14022.88 ms. Allocated memory was 194.0 MB in the beginning and 367.0 MB in the end (delta: 173.0 MB). Free memory was 148.2 MB in the beginning and 126.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 195.5 MB. Max. memory is 8.0 GB. * Witness Printer took 269.84 ms. Allocated memory is still 367.0 MB. Free memory was 126.2 MB in the beginning and 329.6 MB in the end (delta: -203.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 537]: 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: 40]: Loop Invariant Derived loop invariant: ((((a20 == 1 && a17 == 1) || (14 <= a8 && a16 <= 5)) || a16 <= 4) || (6 <= a16 && a20 == 1)) || 15 <= a8 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((a20 == 1 && a17 == 1) || (14 <= a8 && a16 <= 5)) || a16 <= 4) || (6 <= a16 && a20 == 1)) || 15 <= a8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.6s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 752 SDtfs, 1494 SDslu, 72 SDs, 0 SdLazy, 4390 SolverSat, 794 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 562 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3541occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 1574 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 71 NumberOfFragments, 57 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2338 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2277 NumberOfCodeBlocks, 2277 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2262 ConstructedInterpolants, 0 QuantifiedInterpolants, 728136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1052 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 660/669 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...