/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/Problem14_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 14:13:15,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 14:13:15,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 14:13:15,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 14:13:15,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 14:13:15,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 14:13:15,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 14:13:15,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 14:13:15,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 14:13:15,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 14:13:15,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 14:13:15,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 14:13:15,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 14:13:15,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 14:13:15,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 14:13:15,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 14:13:15,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 14:13:15,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 14:13:15,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 14:13:15,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 14:13:15,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 14:13:15,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 14:13:15,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 14:13:15,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 14:13:15,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 14:13:15,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 14:13:15,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 14:13:15,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 14:13:15,614 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 14:13:15,671 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 14:13:15,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 14:13:15,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 14:13:15,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 14:13:15,678 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 14:13:15,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 14:13:15,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 14:13:15,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 14:13:15,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 14:13:15,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 14:13:15,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 14:13:15,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 14:13:15,680 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 14:13:15,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 14:13:15,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 14:13:15,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 14:13:15,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 14:13:15,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 14:13:15,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 14:13:15,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 14:13:15,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 14:13:15,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 14:13:15,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 14:13:15,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 14:13:15,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 14:13:15,685 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 14:13:16,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 14:13:16,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 14:13:16,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 14:13:16,144 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 14:13:16,145 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 14:13:16,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label21.c [2021-01-06 14:13:16,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/83fab9509/4b8ea8167ddf40e2bcb975702c36edc6/FLAG8fe4c061c [2021-01-06 14:13:17,143 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 14:13:17,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label21.c [2021-01-06 14:13:17,161 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/83fab9509/4b8ea8167ddf40e2bcb975702c36edc6/FLAG8fe4c061c [2021-01-06 14:13:17,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/83fab9509/4b8ea8167ddf40e2bcb975702c36edc6 [2021-01-06 14:13:17,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 14:13:17,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 14:13:17,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 14:13:17,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 14:13:17,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 14:13:17,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 02:13:17" (1/1) ... [2021-01-06 14:13:17,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f3f7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:17, skipping insertion in model container [2021-01-06 14:13:17,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 02:13:17" (1/1) ... [2021-01-06 14:13:17,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 14:13:17,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 14:13:17,699 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/Problem14_label21.c[3617,3630] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 14:13:18,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 14:13:18,052 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 14:13:18,102 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/Problem14_label21.c[3617,3630] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 14:13:18,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 14:13:18,322 INFO L208 MainTranslator]: Completed translation [2021-01-06 14:13:18,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:18 WrapperNode [2021-01-06 14:13:18,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 14:13:18,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 14:13:18,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 14:13:18,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 14:13:18,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:18" (1/1) ... [2021-01-06 14:13:18,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:18" (1/1) ... [2021-01-06 14:13:18,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 14:13:18,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 14:13:18,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 14:13:18,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 14:13:18,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:18" (1/1) ... [2021-01-06 14:13:18,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:18" (1/1) ... [2021-01-06 14:13:18,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:18" (1/1) ... [2021-01-06 14:13:18,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:18" (1/1) ... [2021-01-06 14:13:18,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:18" (1/1) ... [2021-01-06 14:13:18,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:18" (1/1) ... [2021-01-06 14:13:18,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:18" (1/1) ... [2021-01-06 14:13:18,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 14:13:18,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 14:13:18,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 14:13:18,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 14:13:18,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:18" (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 14:13:18,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 14:13:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 14:13:18,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 14:13:18,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 14:13:20,747 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 14:13:20,747 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 14:13:20,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 02:13:20 BoogieIcfgContainer [2021-01-06 14:13:20,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 14:13:20,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 14:13:20,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 14:13:20,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 14:13:20,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 02:13:17" (1/3) ... [2021-01-06 14:13:20,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4876984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 02:13:20, skipping insertion in model container [2021-01-06 14:13:20,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:18" (2/3) ... [2021-01-06 14:13:20,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4876984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 02:13:20, skipping insertion in model container [2021-01-06 14:13:20,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 02:13:20" (3/3) ... [2021-01-06 14:13:20,769 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label21.c [2021-01-06 14:13:20,776 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 14:13:20,783 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 14:13:20,804 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 14:13:20,854 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 14:13:20,854 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 14:13:20,854 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 14:13:20,855 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 14:13:20,855 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 14:13:20,855 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 14:13:20,855 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 14:13:20,855 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 14:13:20,886 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2021-01-06 14:13:20,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 14:13:20,900 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:20,901 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] [2021-01-06 14:13:20,902 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:20,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:20,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1089129850, now seen corresponding path program 1 times [2021-01-06 14:13:20,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:20,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756332758] [2021-01-06 14:13:20,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:21,254 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 14:13:21,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756332758] [2021-01-06 14:13:21,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:21,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 14:13:21,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557526732] [2021-01-06 14:13:21,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:21,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:21,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:21,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:21,282 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2021-01-06 14:13:22,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:22,630 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2021-01-06 14:13:22,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:22,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-01-06 14:13:22,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:22,651 INFO L225 Difference]: With dead ends: 669 [2021-01-06 14:13:22,652 INFO L226 Difference]: Without dead ends: 360 [2021-01-06 14:13:22,657 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 14:13:22,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-01-06 14:13:22,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2021-01-06 14:13:22,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2021-01-06 14:13:22,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2021-01-06 14:13:22,766 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 34 [2021-01-06 14:13:22,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:22,766 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2021-01-06 14:13:22,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:22,766 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2021-01-06 14:13:22,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 14:13:22,770 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:22,771 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, 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] [2021-01-06 14:13:22,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 14:13:22,772 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:22,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:22,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1732143824, now seen corresponding path program 1 times [2021-01-06 14:13:22,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:22,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304889565] [2021-01-06 14:13:22,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 14:13:23,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304889565] [2021-01-06 14:13:23,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:23,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 14:13:23,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280633982] [2021-01-06 14:13:23,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:23,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:23,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:23,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:23,074 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2021-01-06 14:13:24,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:24,022 INFO L93 Difference]: Finished difference Result 1074 states and 1759 transitions. [2021-01-06 14:13:24,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:24,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2021-01-06 14:13:24,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:24,028 INFO L225 Difference]: With dead ends: 1074 [2021-01-06 14:13:24,029 INFO L226 Difference]: Without dead ends: 716 [2021-01-06 14:13:24,031 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 14:13:24,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2021-01-06 14:13:24,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 538. [2021-01-06 14:13:24,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2021-01-06 14:13:24,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 838 transitions. [2021-01-06 14:13:24,067 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 838 transitions. Word has length 99 [2021-01-06 14:13:24,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:24,068 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 838 transitions. [2021-01-06 14:13:24,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:24,068 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 838 transitions. [2021-01-06 14:13:24,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-01-06 14:13:24,071 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:24,071 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, 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 14:13:24,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 14:13:24,072 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:24,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:24,072 INFO L82 PathProgramCache]: Analyzing trace with hash 585366765, now seen corresponding path program 1 times [2021-01-06 14:13:24,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:24,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57380850] [2021-01-06 14:13:24,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 14:13:24,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57380850] [2021-01-06 14:13:24,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:24,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:24,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529034084] [2021-01-06 14:13:24,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:13:24,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:24,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:13:24,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:24,325 INFO L87 Difference]: Start difference. First operand 538 states and 838 transitions. Second operand 4 states. [2021-01-06 14:13:26,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:26,291 INFO L93 Difference]: Finished difference Result 1788 states and 2802 transitions. [2021-01-06 14:13:26,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:13:26,299 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2021-01-06 14:13:26,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:26,313 INFO L225 Difference]: With dead ends: 1788 [2021-01-06 14:13:26,313 INFO L226 Difference]: Without dead ends: 1252 [2021-01-06 14:13:26,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 14:13:26,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2021-01-06 14:13:26,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2021-01-06 14:13:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2021-01-06 14:13:26,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1617 transitions. [2021-01-06 14:13:26,388 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1617 transitions. Word has length 113 [2021-01-06 14:13:26,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:26,389 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1617 transitions. [2021-01-06 14:13:26,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:13:26,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1617 transitions. [2021-01-06 14:13:26,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-01-06 14:13:26,404 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:26,404 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:26,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 14:13:26,405 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:26,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:26,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1303628737, now seen corresponding path program 1 times [2021-01-06 14:13:26,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:26,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913158305] [2021-01-06 14:13:26,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 14:13:26,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913158305] [2021-01-06 14:13:26,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:26,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:26,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571853133] [2021-01-06 14:13:26,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:13:26,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:26,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:13:26,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:26,732 INFO L87 Difference]: Start difference. First operand 1250 states and 1617 transitions. Second operand 4 states. [2021-01-06 14:13:28,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:28,025 INFO L93 Difference]: Finished difference Result 2707 states and 3620 transitions. [2021-01-06 14:13:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:13:28,027 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 193 [2021-01-06 14:13:28,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:28,038 INFO L225 Difference]: With dead ends: 2707 [2021-01-06 14:13:28,038 INFO L226 Difference]: Without dead ends: 1608 [2021-01-06 14:13:28,041 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 14:13:28,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2021-01-06 14:13:28,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2021-01-06 14:13:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2021-01-06 14:13:28,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1825 transitions. [2021-01-06 14:13:28,082 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1825 transitions. Word has length 193 [2021-01-06 14:13:28,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:28,083 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1825 transitions. [2021-01-06 14:13:28,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:13:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1825 transitions. [2021-01-06 14:13:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-01-06 14:13:28,093 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:28,093 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:28,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 14:13:28,094 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:28,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:28,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1754965882, now seen corresponding path program 1 times [2021-01-06 14:13:28,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:28,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647029501] [2021-01-06 14:13:28,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:28,581 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-01-06 14:13:28,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647029501] [2021-01-06 14:13:28,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:28,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:28,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37060435] [2021-01-06 14:13:28,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:28,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:28,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:28,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:28,587 INFO L87 Difference]: Start difference. First operand 1606 states and 1825 transitions. Second operand 3 states. [2021-01-06 14:13:29,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:29,535 INFO L93 Difference]: Finished difference Result 3210 states and 3695 transitions. [2021-01-06 14:13:29,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:29,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 324 [2021-01-06 14:13:29,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:29,546 INFO L225 Difference]: With dead ends: 3210 [2021-01-06 14:13:29,546 INFO L226 Difference]: Without dead ends: 1784 [2021-01-06 14:13:29,549 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 14:13:29,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2021-01-06 14:13:29,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1784. [2021-01-06 14:13:29,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2021-01-06 14:13:29,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2032 transitions. [2021-01-06 14:13:29,598 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2032 transitions. Word has length 324 [2021-01-06 14:13:29,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:29,599 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2032 transitions. [2021-01-06 14:13:29,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2032 transitions. [2021-01-06 14:13:29,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-01-06 14:13:29,606 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:29,606 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:29,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 14:13:29,606 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:29,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:29,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1892210744, now seen corresponding path program 1 times [2021-01-06 14:13:29,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:29,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612348869] [2021-01-06 14:13:29,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:30,189 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 150 proven. 130 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-01-06 14:13:30,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612348869] [2021-01-06 14:13:30,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745935968] [2021-01-06 14:13:30,190 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 14:13:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:30,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:30,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:31,164 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-01-06 14:13:31,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:31,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 14:13:31,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673487481] [2021-01-06 14:13:31,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:31,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:31,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:31,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:31,168 INFO L87 Difference]: Start difference. First operand 1784 states and 2032 transitions. Second operand 3 states. [2021-01-06 14:13:32,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:32,027 INFO L93 Difference]: Finished difference Result 3744 states and 4387 transitions. [2021-01-06 14:13:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:32,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2021-01-06 14:13:32,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:32,040 INFO L225 Difference]: With dead ends: 3744 [2021-01-06 14:13:32,040 INFO L226 Difference]: Without dead ends: 2140 [2021-01-06 14:13:32,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:32,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2021-01-06 14:13:32,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2021-01-06 14:13:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2021-01-06 14:13:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2410 transitions. [2021-01-06 14:13:32,099 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2410 transitions. Word has length 327 [2021-01-06 14:13:32,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:32,101 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2410 transitions. [2021-01-06 14:13:32,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:32,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2410 transitions. [2021-01-06 14:13:32,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-01-06 14:13:32,114 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:32,115 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:32,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-01-06 14:13:32,330 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:32,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:32,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1649118554, now seen corresponding path program 1 times [2021-01-06 14:13:32,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:32,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626030667] [2021-01-06 14:13:32,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:32,818 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2021-01-06 14:13:32,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626030667] [2021-01-06 14:13:32,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:32,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:32,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185324594] [2021-01-06 14:13:32,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:13:32,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:32,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:13:32,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:32,822 INFO L87 Difference]: Start difference. First operand 2140 states and 2410 transitions. Second operand 4 states. [2021-01-06 14:13:33,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:33,767 INFO L93 Difference]: Finished difference Result 4307 states and 4869 transitions. [2021-01-06 14:13:33,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:13:33,768 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 404 [2021-01-06 14:13:33,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:33,783 INFO L225 Difference]: With dead ends: 4307 [2021-01-06 14:13:33,784 INFO L226 Difference]: Without dead ends: 2318 [2021-01-06 14:13:33,788 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 14:13:33,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2021-01-06 14:13:33,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2021-01-06 14:13:33,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2021-01-06 14:13:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2328 transitions. [2021-01-06 14:13:33,845 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2328 transitions. Word has length 404 [2021-01-06 14:13:33,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:33,846 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2328 transitions. [2021-01-06 14:13:33,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:13:33,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2328 transitions. [2021-01-06 14:13:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-01-06 14:13:33,856 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:33,857 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:33,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 14:13:33,857 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:33,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:33,858 INFO L82 PathProgramCache]: Analyzing trace with hash -59719909, now seen corresponding path program 2 times [2021-01-06 14:13:33,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:33,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101359226] [2021-01-06 14:13:33,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:34,312 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-01-06 14:13:34,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101359226] [2021-01-06 14:13:34,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:34,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:34,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448321579] [2021-01-06 14:13:34,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:34,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:34,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:34,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:34,315 INFO L87 Difference]: Start difference. First operand 2140 states and 2328 transitions. Second operand 3 states. [2021-01-06 14:13:35,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:35,099 INFO L93 Difference]: Finished difference Result 4456 states and 4912 transitions. [2021-01-06 14:13:35,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:35,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 430 [2021-01-06 14:13:35,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:35,113 INFO L225 Difference]: With dead ends: 4456 [2021-01-06 14:13:35,113 INFO L226 Difference]: Without dead ends: 2496 [2021-01-06 14:13:35,117 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 14:13:35,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2021-01-06 14:13:35,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2140. [2021-01-06 14:13:35,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2021-01-06 14:13:35,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2326 transitions. [2021-01-06 14:13:35,169 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2326 transitions. Word has length 430 [2021-01-06 14:13:35,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:35,170 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2326 transitions. [2021-01-06 14:13:35,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2326 transitions. [2021-01-06 14:13:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-01-06 14:13:35,173 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:35,174 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:35,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 14:13:35,174 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:35,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:35,175 INFO L82 PathProgramCache]: Analyzing trace with hash -269827114, now seen corresponding path program 1 times [2021-01-06 14:13:35,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:35,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820645431] [2021-01-06 14:13:35,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:35,579 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-01-06 14:13:35,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820645431] [2021-01-06 14:13:35,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:35,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:35,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801815000] [2021-01-06 14:13:35,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:35,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:35,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:35,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:35,582 INFO L87 Difference]: Start difference. First operand 2140 states and 2326 transitions. Second operand 3 states. [2021-01-06 14:13:36,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:36,375 INFO L93 Difference]: Finished difference Result 4990 states and 5486 transitions. [2021-01-06 14:13:36,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:36,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 437 [2021-01-06 14:13:36,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:36,388 INFO L225 Difference]: With dead ends: 4990 [2021-01-06 14:13:36,389 INFO L226 Difference]: Without dead ends: 3030 [2021-01-06 14:13:36,392 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 14:13:36,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2021-01-06 14:13:36,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2852. [2021-01-06 14:13:36,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2021-01-06 14:13:36,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3087 transitions. [2021-01-06 14:13:36,460 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3087 transitions. Word has length 437 [2021-01-06 14:13:36,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:36,461 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3087 transitions. [2021-01-06 14:13:36,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:36,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3087 transitions. [2021-01-06 14:13:36,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-01-06 14:13:36,466 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:36,467 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:36,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 14:13:36,467 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:36,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:36,468 INFO L82 PathProgramCache]: Analyzing trace with hash -344023395, now seen corresponding path program 1 times [2021-01-06 14:13:36,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:36,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528894736] [2021-01-06 14:13:36,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:37,313 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 377 proven. 195 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-01-06 14:13:37,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528894736] [2021-01-06 14:13:37,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505204394] [2021-01-06 14:13:37,314 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 14:13:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:37,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:37,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:37,972 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2021-01-06 14:13:37,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:37,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-01-06 14:13:37,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230082257] [2021-01-06 14:13:37,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:37,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:37,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:37,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:13:37,976 INFO L87 Difference]: Start difference. First operand 2852 states and 3087 transitions. Second operand 3 states. [2021-01-06 14:13:38,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:38,854 INFO L93 Difference]: Finished difference Result 5880 states and 6431 transitions. [2021-01-06 14:13:38,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:38,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 482 [2021-01-06 14:13:38,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:38,871 INFO L225 Difference]: With dead ends: 5880 [2021-01-06 14:13:38,872 INFO L226 Difference]: Without dead ends: 3208 [2021-01-06 14:13:38,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:13:38,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2021-01-06 14:13:38,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2021-01-06 14:13:38,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2021-01-06 14:13:38,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3280 transitions. [2021-01-06 14:13:38,941 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3280 transitions. Word has length 482 [2021-01-06 14:13:38,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:38,943 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3280 transitions. [2021-01-06 14:13:38,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:38,943 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3280 transitions. [2021-01-06 14:13:38,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2021-01-06 14:13:38,949 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:38,950 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:39,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 14:13:39,165 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:39,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:39,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1243681680, now seen corresponding path program 1 times [2021-01-06 14:13:39,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:39,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128685446] [2021-01-06 14:13:39,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 246 proven. 195 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2021-01-06 14:13:40,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128685446] [2021-01-06 14:13:40,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644712734] [2021-01-06 14:13:40,636 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 14:13:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:40,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:40,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:41,445 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2021-01-06 14:13:41,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:41,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-01-06 14:13:41,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819813661] [2021-01-06 14:13:41,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:41,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:41,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:41,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:13:41,449 INFO L87 Difference]: Start difference. First operand 3030 states and 3280 transitions. Second operand 3 states. [2021-01-06 14:13:42,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:42,203 INFO L93 Difference]: Finished difference Result 6592 states and 7123 transitions. [2021-01-06 14:13:42,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:42,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 564 [2021-01-06 14:13:42,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:42,220 INFO L225 Difference]: With dead ends: 6592 [2021-01-06 14:13:42,220 INFO L226 Difference]: Without dead ends: 3030 [2021-01-06 14:13:42,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:13:42,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2021-01-06 14:13:42,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2852. [2021-01-06 14:13:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2021-01-06 14:13:42,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3073 transitions. [2021-01-06 14:13:42,286 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3073 transitions. Word has length 564 [2021-01-06 14:13:42,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:42,287 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3073 transitions. [2021-01-06 14:13:42,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:42,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3073 transitions. [2021-01-06 14:13:42,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2021-01-06 14:13:42,295 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:42,296 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:42,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 14:13:42,510 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:42,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:42,511 INFO L82 PathProgramCache]: Analyzing trace with hash -560311672, now seen corresponding path program 1 times [2021-01-06 14:13:42,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:42,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073705924] [2021-01-06 14:13:42,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:43,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 810 proven. 195 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-01-06 14:13:43,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073705924] [2021-01-06 14:13:43,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654269706] [2021-01-06 14:13:43,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:43,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:43,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:44,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2021-01-06 14:13:44,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:44,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-01-06 14:13:44,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715797010] [2021-01-06 14:13:44,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:44,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:44,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:44,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:13:44,447 INFO L87 Difference]: Start difference. First operand 2852 states and 3073 transitions. Second operand 3 states. [2021-01-06 14:13:45,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:45,247 INFO L93 Difference]: Finished difference Result 6236 states and 6758 transitions. [2021-01-06 14:13:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:45,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 599 [2021-01-06 14:13:45,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:45,268 INFO L225 Difference]: With dead ends: 6236 [2021-01-06 14:13:45,269 INFO L226 Difference]: Without dead ends: 3564 [2021-01-06 14:13:45,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:13:45,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2021-01-06 14:13:45,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2021-01-06 14:13:45,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2021-01-06 14:13:45,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3663 transitions. [2021-01-06 14:13:45,352 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3663 transitions. Word has length 599 [2021-01-06 14:13:45,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:45,353 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3663 transitions. [2021-01-06 14:13:45,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:45,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3663 transitions. [2021-01-06 14:13:45,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2021-01-06 14:13:45,361 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:45,361 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:45,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:45,575 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:45,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:45,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1986362432, now seen corresponding path program 1 times [2021-01-06 14:13:45,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:45,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150031188] [2021-01-06 14:13:45,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 862 proven. 195 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-01-06 14:13:46,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150031188] [2021-01-06 14:13:46,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662547227] [2021-01-06 14:13:46,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:46,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:46,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:47,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2021-01-06 14:13:47,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:47,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-01-06 14:13:47,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537269397] [2021-01-06 14:13:47,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:47,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:47,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:47,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:13:47,473 INFO L87 Difference]: Start difference. First operand 3386 states and 3663 transitions. Second operand 3 states. [2021-01-06 14:13:48,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:48,174 INFO L93 Difference]: Finished difference Result 4098 states and 4413 transitions. [2021-01-06 14:13:48,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:48,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 612 [2021-01-06 14:13:48,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:48,176 INFO L225 Difference]: With dead ends: 4098 [2021-01-06 14:13:48,176 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 14:13:48,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-01-06 14:13:48,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 14:13:48,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 14:13:48,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 14:13:48,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 14:13:48,180 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 612 [2021-01-06 14:13:48,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:48,181 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 14:13:48,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:48,181 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 14:13:48,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 14:13:48,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-01-06 14:13:48,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 14:13:48,632 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2021-01-06 14:13:48,777 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2021-01-06 14:13:48,781 INFO L189 CegarLoopUtils]: For program point L762(lines 762 880) no Hoare annotation was computed. [2021-01-06 14:13:48,781 INFO L189 CegarLoopUtils]: For program point L895(line 895) no Hoare annotation was computed. [2021-01-06 14:13:48,781 INFO L189 CegarLoopUtils]: For program point L829(lines 829 880) no Hoare annotation was computed. [2021-01-06 14:13:48,781 INFO L189 CegarLoopUtils]: For program point L631(lines 631 880) no Hoare annotation was computed. [2021-01-06 14:13:48,781 INFO L189 CegarLoopUtils]: For program point L565(lines 565 880) no Hoare annotation was computed. [2021-01-06 14:13:48,782 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,783 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,783 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,783 INFO L189 CegarLoopUtils]: For program point L698(lines 698 880) no Hoare annotation was computed. [2021-01-06 14:13:48,783 INFO L189 CegarLoopUtils]: For program point L500(lines 500 880) no Hoare annotation was computed. [2021-01-06 14:13:48,783 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2021-01-06 14:13:48,783 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2021-01-06 14:13:48,783 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2021-01-06 14:13:48,783 INFO L189 CegarLoopUtils]: For program point L369(lines 369 880) no Hoare annotation was computed. [2021-01-06 14:13:48,783 INFO L189 CegarLoopUtils]: For program point L303(lines 303 880) no Hoare annotation was computed. [2021-01-06 14:13:48,784 INFO L189 CegarLoopUtils]: For program point L436(lines 436 880) no Hoare annotation was computed. [2021-01-06 14:13:48,784 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,784 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,784 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,784 INFO L189 CegarLoopUtils]: For program point L239(lines 239 880) no Hoare annotation was computed. [2021-01-06 14:13:48,784 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2021-01-06 14:13:48,784 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2021-01-06 14:13:48,784 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2021-01-06 14:13:48,784 INFO L189 CegarLoopUtils]: For program point L768(lines 768 880) no Hoare annotation was computed. [2021-01-06 14:13:48,784 INFO L189 CegarLoopUtils]: For program point L636(lines 636 880) no Hoare annotation was computed. [2021-01-06 14:13:48,785 INFO L189 CegarLoopUtils]: For program point L835(lines 835 880) no Hoare annotation was computed. [2021-01-06 14:13:48,785 INFO L189 CegarLoopUtils]: For program point L571(lines 571 880) no Hoare annotation was computed. [2021-01-06 14:13:48,785 INFO L189 CegarLoopUtils]: For program point L505(lines 505 880) no Hoare annotation was computed. [2021-01-06 14:13:48,785 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,785 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,785 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,786 INFO L189 CegarLoopUtils]: For program point L704(lines 704 880) no Hoare annotation was computed. [2021-01-06 14:13:48,786 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2021-01-06 14:13:48,786 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2021-01-06 14:13:48,786 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2021-01-06 14:13:48,786 INFO L189 CegarLoopUtils]: For program point L309(lines 309 880) no Hoare annotation was computed. [2021-01-06 14:13:48,786 INFO L189 CegarLoopUtils]: For program point L442(lines 442 880) no Hoare annotation was computed. [2021-01-06 14:13:48,786 INFO L189 CegarLoopUtils]: For program point L376(lines 376 880) no Hoare annotation was computed. [2021-01-06 14:13:48,787 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,787 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,787 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,787 INFO L189 CegarLoopUtils]: For program point L245(lines 245 880) no Hoare annotation was computed. [2021-01-06 14:13:48,787 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2021-01-06 14:13:48,789 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2021-01-06 14:13:48,789 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2021-01-06 14:13:48,789 INFO L189 CegarLoopUtils]: For program point L774(lines 774 880) no Hoare annotation was computed. [2021-01-06 14:13:48,789 INFO L189 CegarLoopUtils]: For program point L642(lines 642 880) no Hoare annotation was computed. [2021-01-06 14:13:48,790 INFO L189 CegarLoopUtils]: For program point L510(lines 510 880) no Hoare annotation was computed. [2021-01-06 14:13:48,790 INFO L189 CegarLoopUtils]: For program point L841(lines 841 880) no Hoare annotation was computed. [2021-01-06 14:13:48,790 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,790 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,790 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,790 INFO L189 CegarLoopUtils]: For program point L710(lines 710 880) no Hoare annotation was computed. [2021-01-06 14:13:48,790 INFO L189 CegarLoopUtils]: For program point L578(lines 578 880) no Hoare annotation was computed. [2021-01-06 14:13:48,790 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2021-01-06 14:13:48,790 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2021-01-06 14:13:48,790 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2021-01-06 14:13:48,790 INFO L189 CegarLoopUtils]: For program point L315(lines 315 880) no Hoare annotation was computed. [2021-01-06 14:13:48,791 INFO L189 CegarLoopUtils]: For program point L448(lines 448 880) no Hoare annotation was computed. [2021-01-06 14:13:48,791 INFO L189 CegarLoopUtils]: For program point L382(lines 382 880) no Hoare annotation was computed. [2021-01-06 14:13:48,791 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,791 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,791 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,791 INFO L189 CegarLoopUtils]: For program point L251(lines 251 880) no Hoare annotation was computed. [2021-01-06 14:13:48,791 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2021-01-06 14:13:48,791 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2021-01-06 14:13:48,791 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2021-01-06 14:13:48,791 INFO L189 CegarLoopUtils]: For program point L648(lines 648 880) no Hoare annotation was computed. [2021-01-06 14:13:48,792 INFO L189 CegarLoopUtils]: For program point L516(lines 516 880) no Hoare annotation was computed. [2021-01-06 14:13:48,792 INFO L189 CegarLoopUtils]: For program point L847(lines 847 880) no Hoare annotation was computed. [2021-01-06 14:13:48,792 INFO L189 CegarLoopUtils]: For program point L781(lines 781 880) no Hoare annotation was computed. [2021-01-06 14:13:48,792 INFO L189 CegarLoopUtils]: For program point L583(lines 583 880) no Hoare annotation was computed. [2021-01-06 14:13:48,792 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,792 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,792 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,793 INFO L189 CegarLoopUtils]: For program point L716(lines 716 880) no Hoare annotation was computed. [2021-01-06 14:13:48,793 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2021-01-06 14:13:48,793 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2021-01-06 14:13:48,794 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2021-01-06 14:13:48,794 INFO L189 CegarLoopUtils]: For program point L321(lines 321 880) no Hoare annotation was computed. [2021-01-06 14:13:48,794 INFO L189 CegarLoopUtils]: For program point L454(lines 454 880) no Hoare annotation was computed. [2021-01-06 14:13:48,794 INFO L189 CegarLoopUtils]: For program point L388(lines 388 880) no Hoare annotation was computed. [2021-01-06 14:13:48,794 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 14:13:48,794 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,794 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,794 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,794 INFO L189 CegarLoopUtils]: For program point L257(lines 257 880) no Hoare annotation was computed. [2021-01-06 14:13:48,794 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2021-01-06 14:13:48,795 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2021-01-06 14:13:48,795 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2021-01-06 14:13:48,795 INFO L189 CegarLoopUtils]: For program point L852(lines 852 880) no Hoare annotation was computed. [2021-01-06 14:13:48,795 INFO L189 CegarLoopUtils]: For program point L654(lines 654 880) no Hoare annotation was computed. [2021-01-06 14:13:48,795 INFO L189 CegarLoopUtils]: For program point L522(lines 522 880) no Hoare annotation was computed. [2021-01-06 14:13:48,795 INFO L189 CegarLoopUtils]: For program point L787(lines 787 880) no Hoare annotation was computed. [2021-01-06 14:13:48,795 INFO L189 CegarLoopUtils]: For program point L589(lines 589 880) no Hoare annotation was computed. [2021-01-06 14:13:48,795 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,795 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,795 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,795 INFO L189 CegarLoopUtils]: For program point L722(lines 722 880) no Hoare annotation was computed. [2021-01-06 14:13:48,796 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2021-01-06 14:13:48,796 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2021-01-06 14:13:48,796 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2021-01-06 14:13:48,796 INFO L189 CegarLoopUtils]: For program point L459(lines 459 880) no Hoare annotation was computed. [2021-01-06 14:13:48,796 INFO L189 CegarLoopUtils]: For program point L327(lines 327 880) no Hoare annotation was computed. [2021-01-06 14:13:48,796 INFO L189 CegarLoopUtils]: For program point L394(lines 394 880) no Hoare annotation was computed. [2021-01-06 14:13:48,796 INFO L189 CegarLoopUtils]: For program point L262(lines 262 880) no Hoare annotation was computed. [2021-01-06 14:13:48,796 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,797 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,797 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,797 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2021-01-06 14:13:48,797 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2021-01-06 14:13:48,797 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-01-06 14:13:48,798 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 14:13:48,798 INFO L189 CegarLoopUtils]: For program point L858(lines 858 880) no Hoare annotation was computed. [2021-01-06 14:13:48,798 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2021-01-06 14:13:48,798 INFO L189 CegarLoopUtils]: For program point L660(lines 660 880) no Hoare annotation was computed. [2021-01-06 14:13:48,798 INFO L189 CegarLoopUtils]: For program point L528(lines 528 880) no Hoare annotation was computed. [2021-01-06 14:13:48,798 INFO L189 CegarLoopUtils]: For program point L793(lines 793 880) no Hoare annotation was computed. [2021-01-06 14:13:48,798 INFO L189 CegarLoopUtils]: For program point L595(lines 595 880) no Hoare annotation was computed. [2021-01-06 14:13:48,798 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,798 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,799 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,799 INFO L189 CegarLoopUtils]: For program point L728(lines 728 880) no Hoare annotation was computed. [2021-01-06 14:13:48,799 INFO L189 CegarLoopUtils]: For program point L464(lines 464 880) no Hoare annotation was computed. [2021-01-06 14:13:48,799 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2021-01-06 14:13:48,799 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2021-01-06 14:13:48,799 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2021-01-06 14:13:48,799 INFO L189 CegarLoopUtils]: For program point L333(lines 333 880) no Hoare annotation was computed. [2021-01-06 14:13:48,799 INFO L189 CegarLoopUtils]: For program point L400(lines 400 880) no Hoare annotation was computed. [2021-01-06 14:13:48,799 INFO L189 CegarLoopUtils]: For program point L268(lines 268 880) no Hoare annotation was computed. [2021-01-06 14:13:48,799 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,800 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,801 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,801 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2021-01-06 14:13:48,801 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2021-01-06 14:13:48,801 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2021-01-06 14:13:48,801 INFO L189 CegarLoopUtils]: For program point L864(lines 864 880) no Hoare annotation was computed. [2021-01-06 14:13:48,801 INFO L189 CegarLoopUtils]: For program point L666(lines 666 880) no Hoare annotation was computed. [2021-01-06 14:13:48,801 INFO L189 CegarLoopUtils]: For program point L534(lines 534 880) no Hoare annotation was computed. [2021-01-06 14:13:48,801 INFO L189 CegarLoopUtils]: For program point L799(lines 799 880) no Hoare annotation was computed. [2021-01-06 14:13:48,801 INFO L189 CegarLoopUtils]: For program point L601(lines 601 880) no Hoare annotation was computed. [2021-01-06 14:13:48,802 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,803 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,803 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,803 INFO L189 CegarLoopUtils]: For program point L734(lines 734 880) no Hoare annotation was computed. [2021-01-06 14:13:48,803 INFO L189 CegarLoopUtils]: For program point L470(lines 470 880) no Hoare annotation was computed. [2021-01-06 14:13:48,803 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2021-01-06 14:13:48,803 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2021-01-06 14:13:48,804 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2021-01-06 14:13:48,804 INFO L189 CegarLoopUtils]: For program point L339(lines 339 880) no Hoare annotation was computed. [2021-01-06 14:13:48,804 INFO L189 CegarLoopUtils]: For program point L406(lines 406 880) no Hoare annotation was computed. [2021-01-06 14:13:48,804 INFO L189 CegarLoopUtils]: For program point L274(lines 274 880) no Hoare annotation was computed. [2021-01-06 14:13:48,804 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,804 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,804 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,804 INFO L189 CegarLoopUtils]: For program point L869(lines 869 880) no Hoare annotation was computed. [2021-01-06 14:13:48,804 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2021-01-06 14:13:48,804 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2021-01-06 14:13:48,804 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2021-01-06 14:13:48,805 INFO L189 CegarLoopUtils]: For program point L672(lines 672 880) no Hoare annotation was computed. [2021-01-06 14:13:48,805 INFO L189 CegarLoopUtils]: For program point L540(lines 540 880) no Hoare annotation was computed. [2021-01-06 14:13:48,805 INFO L189 CegarLoopUtils]: For program point L805(lines 805 880) no Hoare annotation was computed. [2021-01-06 14:13:48,805 INFO L189 CegarLoopUtils]: For program point L607(lines 607 880) no Hoare annotation was computed. [2021-01-06 14:13:48,805 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,805 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,805 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,805 INFO L189 CegarLoopUtils]: For program point L740(lines 740 880) no Hoare annotation was computed. [2021-01-06 14:13:48,805 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2021-01-06 14:13:48,805 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2021-01-06 14:13:48,806 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2021-01-06 14:13:48,806 INFO L189 CegarLoopUtils]: For program point L477(lines 477 880) no Hoare annotation was computed. [2021-01-06 14:13:48,806 INFO L189 CegarLoopUtils]: For program point L345(lines 345 880) no Hoare annotation was computed. [2021-01-06 14:13:48,806 INFO L189 CegarLoopUtils]: For program point L279(lines 279 880) no Hoare annotation was computed. [2021-01-06 14:13:48,806 INFO L189 CegarLoopUtils]: For program point L412(lines 412 880) no Hoare annotation was computed. [2021-01-06 14:13:48,806 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,806 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,806 INFO L189 CegarLoopUtils]: For program point L875(lines 875 880) no Hoare annotation was computed. [2021-01-06 14:13:48,806 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2021-01-06 14:13:48,807 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-01-06 14:13:48,807 INFO L189 CegarLoopUtils]: For program point L678(lines 678 880) no Hoare annotation was computed. [2021-01-06 14:13:48,807 INFO L189 CegarLoopUtils]: For program point L546(lines 546 880) no Hoare annotation was computed. [2021-01-06 14:13:48,807 INFO L189 CegarLoopUtils]: For program point L811(lines 811 880) no Hoare annotation was computed. [2021-01-06 14:13:48,807 INFO L189 CegarLoopUtils]: For program point L745(lines 745 880) no Hoare annotation was computed. [2021-01-06 14:13:48,807 INFO L189 CegarLoopUtils]: For program point L613(lines 613 880) no Hoare annotation was computed. [2021-01-06 14:13:48,807 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,807 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,807 INFO L189 CegarLoopUtils]: For program point L482(lines 482 880) no Hoare annotation was computed. [2021-01-06 14:13:48,807 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 14:13:48,808 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2021-01-06 14:13:48,808 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-01-06 14:13:48,808 INFO L189 CegarLoopUtils]: For program point L351(lines 351 880) no Hoare annotation was computed. [2021-01-06 14:13:48,808 INFO L189 CegarLoopUtils]: For program point L285(lines 285 880) no Hoare annotation was computed. [2021-01-06 14:13:48,808 INFO L189 CegarLoopUtils]: For program point L418(lines 418 880) no Hoare annotation was computed. [2021-01-06 14:13:48,808 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,808 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,810 INFO L185 CegarLoopUtils]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse2 (< 0 (+ ~a12~0 43))) (.cse3 (<= ~a21~0 7)) (.cse1 (<= ~a15~0 5)) (.cse0 (= ~a24~0 1))) (or (and (<= 7 ~a15~0) .cse0) (and .cse1 (<= (+ ~a12~0 49) 0) .cse0) (and .cse2 .cse0) (and .cse3 .cse2 (<= ~a15~0 8)) (and .cse3 .cse1) (and (<= 9 ~a21~0) .cse0))) [2021-01-06 14:13:48,810 INFO L189 CegarLoopUtils]: For program point L551(lines 551 880) no Hoare annotation was computed. [2021-01-06 14:13:48,810 INFO L189 CegarLoopUtils]: For program point L221(lines 221 880) no Hoare annotation was computed. [2021-01-06 14:13:48,810 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2021-01-06 14:13:48,811 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-01-06 14:13:48,811 INFO L189 CegarLoopUtils]: For program point L684(lines 684 880) no Hoare annotation was computed. [2021-01-06 14:13:48,811 INFO L189 CegarLoopUtils]: For program point L817(lines 817 880) no Hoare annotation was computed. [2021-01-06 14:13:48,811 INFO L189 CegarLoopUtils]: For program point L751(lines 751 880) no Hoare annotation was computed. [2021-01-06 14:13:48,811 INFO L189 CegarLoopUtils]: For program point L619(lines 619 880) no Hoare annotation was computed. [2021-01-06 14:13:48,811 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,811 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,811 INFO L192 CegarLoopUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2021-01-06 14:13:48,811 INFO L189 CegarLoopUtils]: For program point L488(lines 488 880) no Hoare annotation was computed. [2021-01-06 14:13:48,812 INFO L189 CegarLoopUtils]: For program point L290(lines 290 880) no Hoare annotation was computed. [2021-01-06 14:13:48,812 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2021-01-06 14:13:48,812 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-01-06 14:13:48,812 INFO L189 CegarLoopUtils]: For program point L687(lines 687 880) no Hoare annotation was computed. [2021-01-06 14:13:48,812 INFO L189 CegarLoopUtils]: For program point L357(lines 357 880) no Hoare annotation was computed. [2021-01-06 14:13:48,812 INFO L189 CegarLoopUtils]: For program point L424(lines 424 880) no Hoare annotation was computed. [2021-01-06 14:13:48,812 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,812 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,812 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 14:13:48,812 INFO L189 CegarLoopUtils]: For program point L557(lines 557 880) no Hoare annotation was computed. [2021-01-06 14:13:48,813 INFO L189 CegarLoopUtils]: For program point L227(lines 227 880) no Hoare annotation was computed. [2021-01-06 14:13:48,813 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2021-01-06 14:13:48,813 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-01-06 14:13:48,813 INFO L189 CegarLoopUtils]: For program point L757(lines 757 880) no Hoare annotation was computed. [2021-01-06 14:13:48,813 INFO L189 CegarLoopUtils]: For program point L625(lines 625 880) no Hoare annotation was computed. [2021-01-06 14:13:48,813 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,813 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,813 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-01-06 14:13:48,813 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,813 INFO L189 CegarLoopUtils]: For program point L824(lines 824 880) no Hoare annotation was computed. [2021-01-06 14:13:48,815 INFO L185 CegarLoopUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse2 (< 0 (+ ~a12~0 43))) (.cse3 (<= ~a21~0 7)) (.cse1 (<= ~a15~0 5)) (.cse0 (= ~a24~0 1))) (or (and (<= 7 ~a15~0) .cse0) (and .cse1 (<= (+ ~a12~0 49) 0) .cse0) (and .cse2 .cse0) (and .cse3 .cse2 (<= ~a15~0 8)) (and .cse3 .cse1) (and (<= 9 ~a21~0) .cse0))) [2021-01-06 14:13:48,815 INFO L189 CegarLoopUtils]: For program point L494(lines 494 880) no Hoare annotation was computed. [2021-01-06 14:13:48,816 INFO L189 CegarLoopUtils]: For program point L296(lines 296 880) no Hoare annotation was computed. [2021-01-06 14:13:48,816 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2021-01-06 14:13:48,816 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2021-01-06 14:13:48,816 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2021-01-06 14:13:48,816 INFO L189 CegarLoopUtils]: For program point L693(lines 693 880) no Hoare annotation was computed. [2021-01-06 14:13:48,816 INFO L189 CegarLoopUtils]: For program point L363(lines 363 880) no Hoare annotation was computed. [2021-01-06 14:13:48,816 INFO L189 CegarLoopUtils]: For program point L562(lines 562 880) no Hoare annotation was computed. [2021-01-06 14:13:48,816 INFO L189 CegarLoopUtils]: For program point L430(lines 430 880) no Hoare annotation was computed. [2021-01-06 14:13:48,816 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,816 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,816 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:48,817 INFO L189 CegarLoopUtils]: For program point L233(lines 233 880) no Hoare annotation was computed. [2021-01-06 14:13:48,817 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2021-01-06 14:13:48,817 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2021-01-06 14:13:48,817 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2021-01-06 14:13:48,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 02:13:48 BoogieIcfgContainer [2021-01-06 14:13:48,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 14:13:48,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 14:13:48,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 14:13:48,863 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 14:13:48,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 02:13:20" (3/4) ... [2021-01-06 14:13:48,869 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 14:13:48,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-01-06 14:13:48,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 14:13:48,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 14:13:48,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 14:13:49,152 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem14_label21.c-witness.graphml [2021-01-06 14:13:49,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 14:13:49,155 INFO L168 Benchmark]: Toolchain (without parser) took 31801.68 ms. Allocated memory was 155.2 MB in the beginning and 986.7 MB in the end (delta: 831.5 MB). Free memory was 129.1 MB in the beginning and 381.0 MB in the end (delta: -251.9 MB). Peak memory consumption was 580.1 MB. Max. memory is 8.0 GB. [2021-01-06 14:13:49,155 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 155.2 MB. Free memory is still 130.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 14:13:49,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 966.61 ms. Allocated memory is still 155.2 MB. Free memory was 128.9 MB in the beginning and 127.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 8.0 GB. [2021-01-06 14:13:49,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.71 ms. Allocated memory is still 155.2 MB. Free memory was 127.8 MB in the beginning and 118.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-06 14:13:49,157 INFO L168 Benchmark]: Boogie Preprocessor took 131.01 ms. Allocated memory is still 155.2 MB. Free memory was 118.4 MB in the beginning and 112.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2021-01-06 14:13:49,157 INFO L168 Benchmark]: RCFGBuilder took 2157.78 ms. Allocated memory was 155.2 MB in the beginning and 201.3 MB in the end (delta: 46.1 MB). Free memory was 112.1 MB in the beginning and 153.7 MB in the end (delta: -41.6 MB). Peak memory consumption was 58.0 MB. Max. memory is 8.0 GB. [2021-01-06 14:13:49,158 INFO L168 Benchmark]: TraceAbstraction took 28105.43 ms. Allocated memory was 201.3 MB in the beginning and 986.7 MB in the end (delta: 785.4 MB). Free memory was 153.7 MB in the beginning and 400.4 MB in the end (delta: -246.7 MB). Peak memory consumption was 538.7 MB. Max. memory is 8.0 GB. [2021-01-06 14:13:49,158 INFO L168 Benchmark]: Witness Printer took 289.59 ms. Allocated memory is still 986.7 MB. Free memory was 399.9 MB in the beginning and 381.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-01-06 14:13:49,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 155.2 MB. Free memory is still 130.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 966.61 ms. Allocated memory is still 155.2 MB. Free memory was 128.9 MB in the beginning and 127.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 137.71 ms. Allocated memory is still 155.2 MB. Free memory was 127.8 MB in the beginning and 118.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 131.01 ms. Allocated memory is still 155.2 MB. Free memory was 118.4 MB in the beginning and 112.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2157.78 ms. Allocated memory was 155.2 MB in the beginning and 201.3 MB in the end (delta: 46.1 MB). Free memory was 112.1 MB in the beginning and 153.7 MB in the end (delta: -41.6 MB). Peak memory consumption was 58.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28105.43 ms. Allocated memory was 201.3 MB in the beginning and 986.7 MB in the end (delta: 785.4 MB). Free memory was 153.7 MB in the beginning and 400.4 MB in the end (delta: -246.7 MB). Peak memory consumption was 538.7 MB. Max. memory is 8.0 GB. * Witness Printer took 289.59 ms. Allocated memory is still 986.7 MB. Free memory was 399.9 MB in the beginning and 381.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 116]: 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: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((7 <= a15 && a24 == 1) || ((a15 <= 5 && a12 + 49 <= 0) && a24 == 1)) || (0 < a12 + 43 && a24 == 1)) || ((a21 <= 7 && 0 < a12 + 43) && a15 <= 8)) || (a21 <= 7 && a15 <= 5)) || (9 <= a21 && a24 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((7 <= a15 && a24 == 1) || ((a15 <= 5 && a12 + 49 <= 0) && a24 == 1)) || (0 < a12 + 43 && a24 == 1)) || ((a21 <= 7 && 0 < a12 + 43) && a15 <= 8)) || (a21 <= 7 && a15 <= 5)) || (9 <= a21 && a24 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.5s, OverallIterations: 13, TraceHistogramMax: 6, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1565 SDtfs, 1965 SDslu, 75 SDs, 0 SdLazy, 6759 SolverSat, 1111 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2626 GetRequests, 2590 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=12, 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, 13 MinimizatonAttempts, 1428 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 63 NumberOfFragments, 111 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1422 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 472 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 7202 NumberOfCodeBlocks, 7202 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 7184 ConstructedInterpolants, 0 QuantifiedInterpolants, 12659043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3381 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 9997/10907 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...