/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:52:13,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:52:13,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:52:13,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:52:13,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:52:13,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:52:13,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:52:13,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:52:13,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:52:13,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:52:13,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:52:13,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:52:13,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:52:13,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:52:13,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:52:13,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:52:13,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:52:13,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:52:13,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:52:13,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:52:13,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:52:13,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:52:13,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:52:13,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:52:13,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 21:52:13,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:52:13,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:52:13,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:52:13,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:52:13,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:52:13,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:52:13,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:52:13,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:52:13,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:52:13,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:52:13,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:52:13,395 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:52:13,459 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:52:13,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:52:13,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:52:13,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:52:13,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:52:13,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:52:13,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:52:13,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:52:13,465 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:52:13,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:52:13,465 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:52:13,465 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:52:13,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:52:13,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:52:13,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:52:13,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:52:13,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:52:13,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:52:13,468 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:52:13,468 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:52:13,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:52:13,469 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:52:13,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:52:13,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:52:13,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:52:13,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:52:13,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:52:13,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:52:13,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:52:13,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:52:13,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:52:13,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:52:13,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:52:13,472 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:52:13,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:52:13,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:52:13,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:52:13,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:52:13,950 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:52:13,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2022-10-15 21:52:14,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc64ca09a/cf3504a73b684e33a18d3677eebfa301/FLAG37852d52e [2022-10-15 21:52:14,629 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:52:14,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2022-10-15 21:52:14,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc64ca09a/cf3504a73b684e33a18d3677eebfa301/FLAG37852d52e [2022-10-15 21:52:14,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc64ca09a/cf3504a73b684e33a18d3677eebfa301 [2022-10-15 21:52:14,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:52:14,970 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:52:14,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:52:14,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:52:14,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:52:14,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:52:14" (1/1) ... [2022-10-15 21:52:14,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fcee65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:14, skipping insertion in model container [2022-10-15 21:52:14,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:52:14" (1/1) ... [2022-10-15 21:52:14,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:52:15,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:52:15,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c[14595,14608] [2022-10-15 21:52:15,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:52:15,312 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:52:15,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c[14595,14608] [2022-10-15 21:52:15,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:52:15,491 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:52:15,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:15 WrapperNode [2022-10-15 21:52:15,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:52:15,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:52:15,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:52:15,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:52:15,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:15" (1/1) ... [2022-10-15 21:52:15,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:15" (1/1) ... [2022-10-15 21:52:15,607 INFO L138 Inliner]: procedures = 32, calls = 47, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 541 [2022-10-15 21:52:15,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:52:15,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:52:15,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:52:15,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:52:15,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:15" (1/1) ... [2022-10-15 21:52:15,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:15" (1/1) ... [2022-10-15 21:52:15,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:15" (1/1) ... [2022-10-15 21:52:15,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:15" (1/1) ... [2022-10-15 21:52:15,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:15" (1/1) ... [2022-10-15 21:52:15,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:15" (1/1) ... [2022-10-15 21:52:15,666 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:15" (1/1) ... [2022-10-15 21:52:15,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:15" (1/1) ... [2022-10-15 21:52:15,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:52:15,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:52:15,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:52:15,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:52:15,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:15" (1/1) ... [2022-10-15 21:52:15,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:52:15,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:52:15,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:52:15,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:52:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2022-10-15 21:52:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2022-10-15 21:52:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:52:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2022-10-15 21:52:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2022-10-15 21:52:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-10-15 21:52:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-10-15 21:52:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:52:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:52:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:52:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2022-10-15 21:52:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2022-10-15 21:52:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:52:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:52:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2022-10-15 21:52:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2022-10-15 21:52:15,977 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:52:15,983 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:52:16,746 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:52:16,757 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:52:16,758 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:52:16,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:52:16 BoogieIcfgContainer [2022-10-15 21:52:16,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:52:16,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:52:16,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:52:16,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:52:16,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:52:14" (1/3) ... [2022-10-15 21:52:16,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122c4bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:52:16, skipping insertion in model container [2022-10-15 21:52:16,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:52:15" (2/3) ... [2022-10-15 21:52:16,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122c4bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:52:16, skipping insertion in model container [2022-10-15 21:52:16,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:52:16" (3/3) ... [2022-10-15 21:52:16,771 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2022-10-15 21:52:16,794 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:52:16,794 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 21:52:16,866 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:52:16,875 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a47cf5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:52:16,876 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 21:52:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 203 states, 165 states have (on average 1.5575757575757576) internal successors, (257), 167 states have internal predecessors, (257), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2022-10-15 21:52:16,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 21:52:16,910 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:52:16,911 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:52:16,912 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 21:52:16,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:52:16,923 INFO L85 PathProgramCache]: Analyzing trace with hash -744673378, now seen corresponding path program 1 times [2022-10-15 21:52:16,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:52:16,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10741255] [2022-10-15 21:52:16,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:52:16,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:52:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:17,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 21:52:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:17,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 21:52:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:17,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:52:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:17,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:52:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:17,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 21:52:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-15 21:52:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-15 21:52:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:17,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 21:52:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-15 21:52:17,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:52:17,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10741255] [2022-10-15 21:52:17,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10741255] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:52:17,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:52:17,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:52:17,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45831699] [2022-10-15 21:52:17,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:52:17,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:52:17,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:52:17,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:52:17,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:52:17,471 INFO L87 Difference]: Start difference. First operand has 203 states, 165 states have (on average 1.5575757575757576) internal successors, (257), 167 states have internal predecessors, (257), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:52:17,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:52:17,542 INFO L93 Difference]: Finished difference Result 390 states and 630 transitions. [2022-10-15 21:52:17,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:52:17,545 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 87 [2022-10-15 21:52:17,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:52:17,559 INFO L225 Difference]: With dead ends: 390 [2022-10-15 21:52:17,559 INFO L226 Difference]: Without dead ends: 198 [2022-10-15 21:52:17,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:52:17,571 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:52:17,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:52:17,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-10-15 21:52:17,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2022-10-15 21:52:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 161 states have (on average 1.5093167701863355) internal successors, (243), 162 states have internal predecessors, (243), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2022-10-15 21:52:17,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 301 transitions. [2022-10-15 21:52:17,646 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 301 transitions. Word has length 87 [2022-10-15 21:52:17,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:52:17,646 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 301 transitions. [2022-10-15 21:52:17,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:52:17,647 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 301 transitions. [2022-10-15 21:52:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 21:52:17,654 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:52:17,654 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:52:17,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:52:17,655 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 21:52:17,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:52:17,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1786536286, now seen corresponding path program 1 times [2022-10-15 21:52:17,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:52:17,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419077104] [2022-10-15 21:52:17,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:52:17,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:52:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:18,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 21:52:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:18,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 21:52:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 21:52:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:18,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:52:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:18,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 21:52:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:18,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-15 21:52:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:18,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-15 21:52:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:18,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 21:52:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-15 21:52:18,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:52:18,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419077104] [2022-10-15 21:52:18,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419077104] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:52:18,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323059252] [2022-10-15 21:52:18,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:52:18,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:52:18,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:52:18,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:52:18,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:52:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:18,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 21:52:18,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:52:18,597 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:52:18,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:52:18,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323059252] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:52:18,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:52:18,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2022-10-15 21:52:18,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233588866] [2022-10-15 21:52:18,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:52:18,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:52:18,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:52:18,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:52:18,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:52:18,603 INFO L87 Difference]: Start difference. First operand 198 states and 301 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-15 21:52:18,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:52:18,991 INFO L93 Difference]: Finished difference Result 581 states and 876 transitions. [2022-10-15 21:52:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:52:18,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 87 [2022-10-15 21:52:18,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:52:18,997 INFO L225 Difference]: With dead ends: 581 [2022-10-15 21:52:18,997 INFO L226 Difference]: Without dead ends: 400 [2022-10-15 21:52:19,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:52:19,002 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 809 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:52:19,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 787 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:52:19,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2022-10-15 21:52:19,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 266. [2022-10-15 21:52:19,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 225 states have (on average 1.48) internal successors, (333), 226 states have internal predecessors, (333), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-10-15 21:52:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 395 transitions. [2022-10-15 21:52:19,046 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 395 transitions. Word has length 87 [2022-10-15 21:52:19,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:52:19,047 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 395 transitions. [2022-10-15 21:52:19,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-15 21:52:19,047 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 395 transitions. [2022-10-15 21:52:19,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 21:52:19,052 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:52:19,052 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:52:19,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-15 21:52:19,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:52:19,266 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 21:52:19,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:52:19,267 INFO L85 PathProgramCache]: Analyzing trace with hash -530528582, now seen corresponding path program 1 times [2022-10-15 21:52:19,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:52:19,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209485640] [2022-10-15 21:52:19,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:52:19,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:52:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 21:52:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 21:52:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:19,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 21:52:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:52:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:19,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-15 21:52:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:19,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-15 21:52:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:19,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 21:52:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:19,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-10-15 21:52:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:19,534 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-15 21:52:19,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:52:19,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209485640] [2022-10-15 21:52:19,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209485640] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:52:19,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714937841] [2022-10-15 21:52:19,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:52:19,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:52:19,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:52:19,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:52:19,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:52:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:19,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 21:52:19,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:52:19,845 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:52:19,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:52:19,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714937841] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:52:19,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:52:19,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2022-10-15 21:52:19,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232254497] [2022-10-15 21:52:19,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:52:19,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:52:19,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:52:19,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:52:19,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:52:19,849 INFO L87 Difference]: Start difference. First operand 266 states and 395 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-15 21:52:20,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:52:20,171 INFO L93 Difference]: Finished difference Result 582 states and 876 transitions. [2022-10-15 21:52:20,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:52:20,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 88 [2022-10-15 21:52:20,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:52:20,179 INFO L225 Difference]: With dead ends: 582 [2022-10-15 21:52:20,179 INFO L226 Difference]: Without dead ends: 401 [2022-10-15 21:52:20,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:52:20,187 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 806 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:52:20,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 789 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:52:20,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-10-15 21:52:20,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 268. [2022-10-15 21:52:20,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 227 states have (on average 1.475770925110132) internal successors, (335), 228 states have internal predecessors, (335), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-10-15 21:52:20,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 397 transitions. [2022-10-15 21:52:20,248 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 397 transitions. Word has length 88 [2022-10-15 21:52:20,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:52:20,249 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 397 transitions. [2022-10-15 21:52:20,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-15 21:52:20,249 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 397 transitions. [2022-10-15 21:52:20,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 21:52:20,251 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:52:20,252 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:52:20,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 21:52:20,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-10-15 21:52:20,467 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 21:52:20,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:52:20,468 INFO L85 PathProgramCache]: Analyzing trace with hash 575184140, now seen corresponding path program 1 times [2022-10-15 21:52:20,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:52:20,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944387534] [2022-10-15 21:52:20,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:52:20,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:52:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:20,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 21:52:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:20,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 21:52:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:20,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:52:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:20,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:52:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:20,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:52:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:20,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:52:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:20,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-15 21:52:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:20,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 21:52:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-15 21:52:20,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:52:20,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944387534] [2022-10-15 21:52:20,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944387534] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:52:20,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059973136] [2022-10-15 21:52:20,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:52:20,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:52:20,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:52:20,664 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:52:20,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 21:52:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:20,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:52:20,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:52:20,893 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-15 21:52:20,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:52:20,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059973136] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:52:20,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:52:20,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-10-15 21:52:20,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430334639] [2022-10-15 21:52:20,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:52:20,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:52:20,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:52:20,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:52:20,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:52:20,896 INFO L87 Difference]: Start difference. First operand 268 states and 397 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:52:20,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:52:20,954 INFO L93 Difference]: Finished difference Result 350 states and 530 transitions. [2022-10-15 21:52:20,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:52:20,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 90 [2022-10-15 21:52:20,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:52:20,958 INFO L225 Difference]: With dead ends: 350 [2022-10-15 21:52:20,959 INFO L226 Difference]: Without dead ends: 349 [2022-10-15 21:52:20,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:52:20,960 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 124 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:52:20,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 932 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:52:20,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2022-10-15 21:52:21,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 347. [2022-10-15 21:52:21,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 283 states have (on average 1.480565371024735) internal successors, (419), 284 states have internal predecessors, (419), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-10-15 21:52:21,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 527 transitions. [2022-10-15 21:52:21,021 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 527 transitions. Word has length 90 [2022-10-15 21:52:21,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:52:21,022 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 527 transitions. [2022-10-15 21:52:21,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:52:21,023 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 527 transitions. [2022-10-15 21:52:21,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 21:52:21,025 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:52:21,025 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:52:21,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 21:52:21,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:52:21,239 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 21:52:21,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:52:21,240 INFO L85 PathProgramCache]: Analyzing trace with hash 650839764, now seen corresponding path program 1 times [2022-10-15 21:52:21,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:52:21,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406129541] [2022-10-15 21:52:21,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:52:21,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:52:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:21,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 21:52:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:21,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 21:52:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:21,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:52:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:21,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:52:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:21,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:52:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:21,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:52:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-15 21:52:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:21,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 21:52:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:21,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-15 21:52:21,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:52:21,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406129541] [2022-10-15 21:52:21,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406129541] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:52:21,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100430455] [2022-10-15 21:52:21,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:52:21,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:52:21,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:52:21,388 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:52:21,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 21:52:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:21,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:52:21,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:52:21,621 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-15 21:52:21,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:52:21,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100430455] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:52:21,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:52:21,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-10-15 21:52:21,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571743800] [2022-10-15 21:52:21,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:52:21,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:52:21,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:52:21,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:52:21,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:52:21,626 INFO L87 Difference]: Start difference. First operand 347 states and 527 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:52:21,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:52:21,684 INFO L93 Difference]: Finished difference Result 347 states and 527 transitions. [2022-10-15 21:52:21,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:52:21,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 91 [2022-10-15 21:52:21,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:52:21,692 INFO L225 Difference]: With dead ends: 347 [2022-10-15 21:52:21,692 INFO L226 Difference]: Without dead ends: 346 [2022-10-15 21:52:21,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:52:21,697 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 129 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:52:21,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 689 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:52:21,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2022-10-15 21:52:21,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2022-10-15 21:52:21,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 283 states have (on average 1.4770318021201414) internal successors, (418), 283 states have internal predecessors, (418), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-10-15 21:52:21,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 526 transitions. [2022-10-15 21:52:21,755 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 526 transitions. Word has length 91 [2022-10-15 21:52:21,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:52:21,756 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 526 transitions. [2022-10-15 21:52:21,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:52:21,756 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 526 transitions. [2022-10-15 21:52:21,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-10-15 21:52:21,765 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:52:21,765 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-15 21:52:21,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-15 21:52:21,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:52:21,980 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 21:52:21,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:52:21,981 INFO L85 PathProgramCache]: Analyzing trace with hash -776046558, now seen corresponding path program 1 times [2022-10-15 21:52:21,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:52:21,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527174828] [2022-10-15 21:52:21,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:52:21,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:52:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 21:52:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 21:52:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:52:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:52:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-15 21:52:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:52:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-15 21:52:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 21:52:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-15 21:52:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-10-15 21:52:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-15 21:52:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-15 21:52:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 21:52:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-15 21:52:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-15 21:52:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,229 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-10-15 21:52:22,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:52:22,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527174828] [2022-10-15 21:52:22,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527174828] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:52:22,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587640077] [2022-10-15 21:52:22,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:52:22,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:52:22,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:52:22,231 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:52:22,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 21:52:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:52:22,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-15 21:52:22,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:52:22,648 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-15 21:52:22,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:52:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-15 21:52:22,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587640077] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:52:22,875 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:52:22,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2022-10-15 21:52:22,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219710030] [2022-10-15 21:52:22,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:52:22,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-15 21:52:22,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:52:22,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-15 21:52:22,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:52:22,878 INFO L87 Difference]: Start difference. First operand 346 states and 526 transitions. Second operand has 14 states, 13 states have (on average 19.53846153846154) internal successors, (254), 14 states have internal predecessors, (254), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2022-10-15 21:52:23,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:52:23,210 INFO L93 Difference]: Finished difference Result 818 states and 1248 transitions. [2022-10-15 21:52:23,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 21:52:23,211 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 19.53846153846154) internal successors, (254), 14 states have internal predecessors, (254), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) Word has length 168 [2022-10-15 21:52:23,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:52:23,211 INFO L225 Difference]: With dead ends: 818 [2022-10-15 21:52:23,211 INFO L226 Difference]: Without dead ends: 0 [2022-10-15 21:52:23,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2022-10-15 21:52:23,217 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 816 mSDsluCounter, 2020 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 2357 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:52:23,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 2357 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:52:23,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-15 21:52:23,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-15 21:52:23,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:52:23,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-15 21:52:23,220 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 168 [2022-10-15 21:52:23,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:52:23,220 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-15 21:52:23,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 19.53846153846154) internal successors, (254), 14 states have internal predecessors, (254), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2022-10-15 21:52:23,221 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-15 21:52:23,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-15 21:52:23,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-10-15 21:52:23,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-10-15 21:52:23,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-15 21:52:23,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:52:23,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-15 21:52:24,349 INFO L902 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: true [2022-10-15 21:52:24,349 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2022-10-15 21:52:24,349 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 189) no Hoare annotation was computed. [2022-10-15 21:52:24,351 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2022-10-15 21:52:24,351 INFO L902 garLoopResultBuilder]: At program point read_manual_selection_historyENTRY(lines 173 191) the Hoare annotation is: true [2022-10-15 21:52:24,351 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 189) no Hoare annotation was computed. [2022-10-15 21:52:24,351 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyEXIT(lines 173 191) no Hoare annotation was computed. [2022-10-15 21:52:24,351 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyFINAL(lines 173 191) no Hoare annotation was computed. [2022-10-15 21:52:24,352 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyEXIT(lines 113 131) no Hoare annotation was computed. [2022-10-15 21:52:24,352 INFO L902 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: true [2022-10-15 21:52:24,352 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2022-10-15 21:52:24,352 INFO L902 garLoopResultBuilder]: At program point read_side2_failed_historyENTRY(lines 113 131) the Hoare annotation is: true [2022-10-15 21:52:24,352 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 129) no Hoare annotation was computed. [2022-10-15 21:52:24,352 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyFINAL(lines 113 131) no Hoare annotation was computed. [2022-10-15 21:52:24,352 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 129) no Hoare annotation was computed. [2022-10-15 21:52:24,354 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 129) no Hoare annotation was computed. [2022-10-15 21:52:24,354 INFO L902 garLoopResultBuilder]: At program point assertENTRY(lines 608 619) the Hoare annotation is: true [2022-10-15 21:52:24,354 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 608 619) no Hoare annotation was computed. [2022-10-15 21:52:24,354 INFO L899 garLoopResultBuilder]: For program point L615(line 615) no Hoare annotation was computed. [2022-10-15 21:52:24,355 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 617) no Hoare annotation was computed. [2022-10-15 21:52:24,355 INFO L899 garLoopResultBuilder]: For program point L613-2(lines 608 619) no Hoare annotation was computed. [2022-10-15 21:52:24,355 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2022-10-15 21:52:24,356 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2022-10-15 21:52:24,356 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 99) no Hoare annotation was computed. [2022-10-15 21:52:24,357 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyFINAL(lines 83 101) no Hoare annotation was computed. [2022-10-15 21:52:24,359 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 99) no Hoare annotation was computed. [2022-10-15 21:52:24,359 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyEXIT(lines 83 101) no Hoare annotation was computed. [2022-10-15 21:52:24,359 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 99) no Hoare annotation was computed. [2022-10-15 21:52:24,359 INFO L902 garLoopResultBuilder]: At program point read_side1_failed_historyENTRY(lines 83 101) the Hoare annotation is: true [2022-10-15 21:52:24,359 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-10-15 21:52:24,359 INFO L899 garLoopResultBuilder]: For program point L333(line 333) no Hoare annotation was computed. [2022-10-15 21:52:24,363 INFO L895 garLoopResultBuilder]: At program point L300(lines 293 309) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,363 INFO L899 garLoopResultBuilder]: For program point L333-2(line 333) no Hoare annotation was computed. [2022-10-15 21:52:24,363 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 513) no Hoare annotation was computed. [2022-10-15 21:52:24,364 INFO L895 garLoopResultBuilder]: At program point L499-1(lines 499 513) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,364 INFO L899 garLoopResultBuilder]: For program point L367-1(line 367) no Hoare annotation was computed. [2022-10-15 21:52:24,364 INFO L899 garLoopResultBuilder]: For program point L301(lines 271 315) no Hoare annotation was computed. [2022-10-15 21:52:24,364 INFO L895 garLoopResultBuilder]: At program point L533(lines 417 535) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,365 INFO L895 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,365 INFO L899 garLoopResultBuilder]: For program point L500-1(line 500) no Hoare annotation was computed. [2022-10-15 21:52:24,365 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 461 477) no Hoare annotation was computed. [2022-10-15 21:52:24,365 INFO L899 garLoopResultBuilder]: For program point L368(line 368) no Hoare annotation was computed. [2022-10-15 21:52:24,365 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2022-10-15 21:52:24,365 INFO L899 garLoopResultBuilder]: For program point L368-2(line 368) no Hoare annotation was computed. [2022-10-15 21:52:24,365 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 205) no Hoare annotation was computed. [2022-10-15 21:52:24,366 INFO L895 garLoopResultBuilder]: At program point L170(lines 162 172) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,366 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 512) no Hoare annotation was computed. [2022-10-15 21:52:24,366 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 470) no Hoare annotation was computed. [2022-10-15 21:52:24,366 INFO L899 garLoopResultBuilder]: For program point L369(line 369) no Hoare annotation was computed. [2022-10-15 21:52:24,366 INFO L899 garLoopResultBuilder]: For program point L369-2(line 369) no Hoare annotation was computed. [2022-10-15 21:52:24,366 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,367 INFO L899 garLoopResultBuilder]: For program point L601-1(line 601) no Hoare annotation was computed. [2022-10-15 21:52:24,367 INFO L895 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,367 INFO L899 garLoopResultBuilder]: For program point L502-1(line 502) no Hoare annotation was computed. [2022-10-15 21:52:24,368 INFO L895 garLoopResultBuilder]: At program point L403(lines 396 412) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~s1p_old~0 1) 0) (<= (+ ~nomsg~0 1) 0) (<= (+ ~s2p_old~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,368 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-10-15 21:52:24,368 INFO L899 garLoopResultBuilder]: For program point L602-1(line 602) no Hoare annotation was computed. [2022-10-15 21:52:24,368 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 505) no Hoare annotation was computed. [2022-10-15 21:52:24,368 INFO L899 garLoopResultBuilder]: For program point L404(lines 390 412) no Hoare annotation was computed. [2022-10-15 21:52:24,370 INFO L895 garLoopResultBuilder]: At program point L371(lines 317 373) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,371 INFO L899 garLoopResultBuilder]: For program point L206(lines 206 208) no Hoare annotation was computed. [2022-10-15 21:52:24,371 INFO L895 garLoopResultBuilder]: At program point L140(lines 132 142) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~s1p_old~0 1) 0) (<= (+ ~nomsg~0 1) 0) (<= (+ ~s2p_old~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,371 INFO L899 garLoopResultBuilder]: For program point L405(lines 405 409) no Hoare annotation was computed. [2022-10-15 21:52:24,371 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 245) no Hoare annotation was computed. [2022-10-15 21:52:24,371 INFO L899 garLoopResultBuilder]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2022-10-15 21:52:24,374 INFO L895 garLoopResultBuilder]: At program point L506(line 506) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,374 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 475) no Hoare annotation was computed. [2022-10-15 21:52:24,374 INFO L899 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2022-10-15 21:52:24,374 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 211) no Hoare annotation was computed. [2022-10-15 21:52:24,375 INFO L895 garLoopResultBuilder]: At program point L110(lines 102 112) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,375 INFO L902 garLoopResultBuilder]: At program point L606(lines 536 607) the Hoare annotation is: true [2022-10-15 21:52:24,375 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 511) no Hoare annotation was computed. [2022-10-15 21:52:24,375 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 510) no Hoare annotation was computed. [2022-10-15 21:52:24,375 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 366) no Hoare annotation was computed. [2022-10-15 21:52:24,376 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 283) no Hoare annotation was computed. [2022-10-15 21:52:24,376 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2022-10-15 21:52:24,376 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 450) no Hoare annotation was computed. [2022-10-15 21:52:24,376 INFO L899 garLoopResultBuilder]: For program point L311(line 311) no Hoare annotation was computed. [2022-10-15 21:52:24,376 INFO L899 garLoopResultBuilder]: For program point L278(line 278) no Hoare annotation was computed. [2022-10-15 21:52:24,376 INFO L899 garLoopResultBuilder]: For program point L311-2(line 311) no Hoare annotation was computed. [2022-10-15 21:52:24,376 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 214) no Hoare annotation was computed. [2022-10-15 21:52:24,377 INFO L899 garLoopResultBuilder]: For program point L278-2(line 278) no Hoare annotation was computed. [2022-10-15 21:52:24,377 INFO L895 garLoopResultBuilder]: At program point L80(lines 72 82) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,377 INFO L899 garLoopResultBuilder]: For program point L312(line 312) no Hoare annotation was computed. [2022-10-15 21:52:24,377 INFO L899 garLoopResultBuilder]: For program point L279(line 279) no Hoare annotation was computed. [2022-10-15 21:52:24,377 INFO L899 garLoopResultBuilder]: For program point L312-2(line 312) no Hoare annotation was computed. [2022-10-15 21:52:24,377 INFO L895 garLoopResultBuilder]: At program point L246(lines 236 248) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,378 INFO L899 garLoopResultBuilder]: For program point L279-2(line 279) no Hoare annotation was computed. [2022-10-15 21:52:24,378 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 366) no Hoare annotation was computed. [2022-10-15 21:52:24,378 INFO L899 garLoopResultBuilder]: For program point L280(line 280) no Hoare annotation was computed. [2022-10-15 21:52:24,378 INFO L899 garLoopResultBuilder]: For program point L280-2(line 280) no Hoare annotation was computed. [2022-10-15 21:52:24,378 INFO L895 garLoopResultBuilder]: At program point L578-2(lines 578 604) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483647)) [2022-10-15 21:52:24,378 INFO L899 garLoopResultBuilder]: For program point L578-3(lines 578 604) no Hoare annotation was computed. [2022-10-15 21:52:24,379 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 450) no Hoare annotation was computed. [2022-10-15 21:52:24,379 INFO L895 garLoopResultBuilder]: At program point L446-2(lines 443 450) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,379 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2022-10-15 21:52:24,380 INFO L895 garLoopResultBuilder]: At program point L314(lines 264 316) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,380 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 217) no Hoare annotation was computed. [2022-10-15 21:52:24,380 INFO L895 garLoopResultBuilder]: At program point L414(lines 374 416) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~s1p_old~0 1) 0) (<= (+ ~nomsg~0 1) 0) (<= (+ ~s2p_old~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,380 INFO L899 garLoopResultBuilder]: For program point L514(line 514) no Hoare annotation was computed. [2022-10-15 21:52:24,380 INFO L895 garLoopResultBuilder]: At program point L382(line 382) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,380 INFO L899 garLoopResultBuilder]: For program point L382-1(line 382) no Hoare annotation was computed. [2022-10-15 21:52:24,381 INFO L899 garLoopResultBuilder]: For program point L515(lines 515 532) no Hoare annotation was computed. [2022-10-15 21:52:24,381 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-10-15 21:52:24,381 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 515 532) no Hoare annotation was computed. [2022-10-15 21:52:24,381 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-15 21:52:24,381 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 220) no Hoare annotation was computed. [2022-10-15 21:52:24,382 INFO L895 garLoopResultBuilder]: At program point L516(line 516) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,382 INFO L899 garLoopResultBuilder]: For program point L483(lines 483 497) no Hoare annotation was computed. [2022-10-15 21:52:24,383 INFO L899 garLoopResultBuilder]: For program point L516-1(line 516) no Hoare annotation was computed. [2022-10-15 21:52:24,383 INFO L895 garLoopResultBuilder]: At program point L483-1(lines 483 497) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,383 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 531) no Hoare annotation was computed. [2022-10-15 21:52:24,383 INFO L895 garLoopResultBuilder]: At program point L484(line 484) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,383 INFO L895 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,384 INFO L899 garLoopResultBuilder]: For program point L484-1(line 484) no Hoare annotation was computed. [2022-10-15 21:52:24,384 INFO L895 garLoopResultBuilder]: At program point L518(line 518) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,384 INFO L899 garLoopResultBuilder]: For program point L485(lines 485 496) no Hoare annotation was computed. [2022-10-15 21:52:24,384 INFO L899 garLoopResultBuilder]: For program point L518-1(line 518) no Hoare annotation was computed. [2022-10-15 21:52:24,384 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-10-15 21:52:24,385 INFO L895 garLoopResultBuilder]: At program point L353(lines 346 366) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,385 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2022-10-15 21:52:24,385 INFO L895 garLoopResultBuilder]: At program point L519(line 519) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,385 INFO L895 garLoopResultBuilder]: At program point L486(line 486) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,385 INFO L899 garLoopResultBuilder]: For program point L519-1(line 519) no Hoare annotation was computed. [2022-10-15 21:52:24,386 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 481) no Hoare annotation was computed. [2022-10-15 21:52:24,386 INFO L899 garLoopResultBuilder]: For program point L486-1(line 486) no Hoare annotation was computed. [2022-10-15 21:52:24,387 INFO L895 garLoopResultBuilder]: At program point L453-1(lines 453 481) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,387 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 530) no Hoare annotation was computed. [2022-10-15 21:52:24,387 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 489) no Hoare annotation was computed. [2022-10-15 21:52:24,387 INFO L895 garLoopResultBuilder]: At program point L454(line 454) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,387 INFO L899 garLoopResultBuilder]: For program point L454-1(line 454) no Hoare annotation was computed. [2022-10-15 21:52:24,387 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 359) no Hoare annotation was computed. [2022-10-15 21:52:24,388 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-15 21:52:24,388 INFO L895 garLoopResultBuilder]: At program point L521(line 521) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,389 INFO L899 garLoopResultBuilder]: For program point L521-1(line 521) no Hoare annotation was computed. [2022-10-15 21:52:24,389 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 480) no Hoare annotation was computed. [2022-10-15 21:52:24,389 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 309) no Hoare annotation was computed. [2022-10-15 21:52:24,389 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 226) no Hoare annotation was computed. [2022-10-15 21:52:24,389 INFO L895 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,390 INFO L899 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2022-10-15 21:52:24,390 INFO L895 garLoopResultBuilder]: At program point L456(line 456) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,390 INFO L899 garLoopResultBuilder]: For program point L456-1(line 456) no Hoare annotation was computed. [2022-10-15 21:52:24,390 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 412) no Hoare annotation was computed. [2022-10-15 21:52:24,390 INFO L899 garLoopResultBuilder]: For program point L258(line 258) no Hoare annotation was computed. [2022-10-15 21:52:24,390 INFO L899 garLoopResultBuilder]: For program point L258-2(line 258) no Hoare annotation was computed. [2022-10-15 21:52:24,391 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 529) no Hoare annotation was computed. [2022-10-15 21:52:24,391 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,391 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 479) no Hoare annotation was computed. [2022-10-15 21:52:24,391 INFO L899 garLoopResultBuilder]: For program point L490-1(line 490) no Hoare annotation was computed. [2022-10-15 21:52:24,391 INFO L899 garLoopResultBuilder]: For program point L259(line 259) no Hoare annotation was computed. [2022-10-15 21:52:24,392 INFO L899 garLoopResultBuilder]: For program point L259-2(line 259) no Hoare annotation was computed. [2022-10-15 21:52:24,392 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 602) no Hoare annotation was computed. [2022-10-15 21:52:24,392 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-15 21:52:24,392 INFO L895 garLoopResultBuilder]: At program point L524(line 524) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,392 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2022-10-15 21:52:24,392 INFO L899 garLoopResultBuilder]: For program point L524-1(line 524) no Hoare annotation was computed. [2022-10-15 21:52:24,393 INFO L895 garLoopResultBuilder]: At program point L458(line 458) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,393 INFO L899 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2022-10-15 21:52:24,393 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 309) no Hoare annotation was computed. [2022-10-15 21:52:24,393 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2022-10-15 21:52:24,393 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 602) no Hoare annotation was computed. [2022-10-15 21:52:24,393 INFO L895 garLoopResultBuilder]: At program point L525(line 525) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,394 INFO L899 garLoopResultBuilder]: For program point L492(lines 492 494) no Hoare annotation was computed. [2022-10-15 21:52:24,394 INFO L899 garLoopResultBuilder]: For program point L525-1(line 525) no Hoare annotation was computed. [2022-10-15 21:52:24,394 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 478) no Hoare annotation was computed. [2022-10-15 21:52:24,394 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 412) no Hoare annotation was computed. [2022-10-15 21:52:24,394 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2022-10-15 21:52:24,394 INFO L895 garLoopResultBuilder]: At program point L261(lines 249 263) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,394 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 528) no Hoare annotation was computed. [2022-10-15 21:52:24,395 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,395 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2022-10-15 21:52:24,395 INFO L895 garLoopResultBuilder]: At program point L361(lines 354 366) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-10-15 21:52:24,395 INFO L895 garLoopResultBuilder]: At program point L560(line 560) the Hoare annotation is: (<= (+ ~nomsg~0 1) 0) [2022-10-15 21:52:24,395 INFO L899 garLoopResultBuilder]: For program point L560-1(line 560) no Hoare annotation was computed. [2022-10-15 21:52:24,396 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 477) no Hoare annotation was computed. [2022-10-15 21:52:24,396 INFO L899 garLoopResultBuilder]: For program point L362-1(lines 324 372) no Hoare annotation was computed. [2022-10-15 21:52:24,396 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 232) no Hoare annotation was computed. [2022-10-15 21:52:24,396 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 199) no Hoare annotation was computed. [2022-10-15 21:52:24,396 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-15 21:52:24,396 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2022-10-15 21:52:24,396 INFO L899 garLoopResultBuilder]: For program point L396(lines 396 412) no Hoare annotation was computed. [2022-10-15 21:52:24,396 INFO L899 garLoopResultBuilder]: For program point L462-2(lines 461 477) no Hoare annotation was computed. [2022-10-15 21:52:24,397 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 336) no Hoare annotation was computed. [2022-10-15 21:52:24,397 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 465) no Hoare annotation was computed. [2022-10-15 21:52:24,397 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 401) no Hoare annotation was computed. [2022-10-15 21:52:24,397 INFO L899 garLoopResultBuilder]: For program point L331(line 331) no Hoare annotation was computed. [2022-10-15 21:52:24,397 INFO L899 garLoopResultBuilder]: For program point L331-2(line 331) no Hoare annotation was computed. [2022-10-15 21:52:24,397 INFO L899 garLoopResultBuilder]: For program point L332(line 332) no Hoare annotation was computed. [2022-10-15 21:52:24,397 INFO L899 garLoopResultBuilder]: For program point L332-2(line 332) no Hoare annotation was computed. [2022-10-15 21:52:24,397 INFO L895 garLoopResultBuilder]: At program point L233(lines 192 235) the Hoare annotation is: (<= (+ ~nomsg~0 1) 0) [2022-10-15 21:52:24,398 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 202) no Hoare annotation was computed. [2022-10-15 21:52:24,398 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 57 59) the Hoare annotation is: true [2022-10-15 21:52:24,398 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-10-15 21:52:24,398 INFO L899 garLoopResultBuilder]: For program point L58-2(lines 57 59) no Hoare annotation was computed. [2022-10-15 21:52:24,398 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 57 59) no Hoare annotation was computed. [2022-10-15 21:52:24,398 INFO L902 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: true [2022-10-15 21:52:24,398 INFO L899 garLoopResultBuilder]: For program point L157-1(line 157) no Hoare annotation was computed. [2022-10-15 21:52:24,399 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2022-10-15 21:52:24,399 INFO L902 garLoopResultBuilder]: At program point read_active_side_historyENTRY(lines 143 161) the Hoare annotation is: true [2022-10-15 21:52:24,399 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2022-10-15 21:52:24,399 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2022-10-15 21:52:24,399 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyEXIT(lines 143 161) no Hoare annotation was computed. [2022-10-15 21:52:24,399 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyFINAL(lines 143 161) no Hoare annotation was computed. [2022-10-15 21:52:24,405 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-10-15 21:52:24,408 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 21:52:24,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 09:52:24 BoogieIcfgContainer [2022-10-15 21:52:24,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 21:52:24,448 INFO L158 Benchmark]: Toolchain (without parser) took 9483.18ms. Allocated memory was 159.4MB in the beginning and 244.3MB in the end (delta: 84.9MB). Free memory was 132.9MB in the beginning and 140.6MB in the end (delta: -7.7MB). Peak memory consumption was 114.4MB. Max. memory is 8.0GB. [2022-10-15 21:52:24,449 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory was 130.5MB in the beginning and 130.4MB in the end (delta: 62.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 21:52:24,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.44ms. Allocated memory is still 159.4MB. Free memory was 132.7MB in the beginning and 115.8MB in the end (delta: 16.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-10-15 21:52:24,449 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.30ms. Allocated memory is still 159.4MB. Free memory was 115.8MB in the beginning and 112.5MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-15 21:52:24,450 INFO L158 Benchmark]: Boogie Preprocessor took 64.35ms. Allocated memory is still 159.4MB. Free memory was 112.5MB in the beginning and 109.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-15 21:52:24,450 INFO L158 Benchmark]: RCFGBuilder took 1083.85ms. Allocated memory is still 159.4MB. Free memory was 109.7MB in the beginning and 109.1MB in the end (delta: 613.9kB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. [2022-10-15 21:52:24,451 INFO L158 Benchmark]: TraceAbstraction took 7684.25ms. Allocated memory was 159.4MB in the beginning and 244.3MB in the end (delta: 84.9MB). Free memory was 108.0MB in the beginning and 140.6MB in the end (delta: -32.6MB). Peak memory consumption was 89.7MB. Max. memory is 8.0GB. [2022-10-15 21:52:24,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory was 130.5MB in the beginning and 130.4MB in the end (delta: 62.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 520.44ms. Allocated memory is still 159.4MB. Free memory was 132.7MB in the beginning and 115.8MB in the end (delta: 16.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 115.30ms. Allocated memory is still 159.4MB. Free memory was 115.8MB in the beginning and 112.5MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.35ms. Allocated memory is still 159.4MB. Free memory was 112.5MB in the beginning and 109.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1083.85ms. Allocated memory is still 159.4MB. Free memory was 109.7MB in the beginning and 109.1MB in the end (delta: 613.9kB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. * TraceAbstraction took 7684.25ms. Allocated memory was 159.4MB in the beginning and 244.3MB in the end (delta: 84.9MB). Free memory was 108.0MB in the beginning and 140.6MB in the end (delta: -32.6MB). Peak memory consumption was 89.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 203 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2776 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2684 mSDsluCounter, 5860 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4020 mSDsCounter, 192 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 649 IncrementalHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 192 mSolverCounterUnsat, 1840 mSDtfsCounter, 649 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 838 GetRequests, 787 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=347occurred in iteration=4, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 269 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 434 PreInvPairs, 555 NumberOfFragments, 519 HoareAnnotationTreeSize, 434 FomulaSimplifications, 4722 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 1640 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1135 NumberOfCodeBlocks, 1135 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1291 ConstructedInterpolants, 0 QuantifiedInterpolants, 2301 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2512 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 259/375 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483647 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (((0 <= i2 && s1p_\old + 1 <= 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: (((0 <= i2 && s1p_\old + 1 <= 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((0 <= i2 && s1p_\old + 1 <= 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: nomsg + 1 <= 0 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 RESULT: Ultimate proved your program to be correct! [2022-10-15 21:52:24,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...