./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/psyco/psyco_abp_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/psyco/psyco_abp_1-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 19:31:04,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 19:31:04,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 19:31:04,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 19:31:04,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 19:31:04,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 19:31:04,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 19:31:04,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 19:31:04,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 19:31:04,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 19:31:04,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 19:31:04,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 19:31:04,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 19:31:04,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 19:31:04,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 19:31:04,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 19:31:04,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 19:31:04,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 19:31:04,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 19:31:04,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 19:31:04,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 19:31:04,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 19:31:04,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 19:31:04,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 19:31:04,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 19:31:04,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 19:31:04,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 19:31:04,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 19:31:04,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 19:31:04,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 19:31:04,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 19:31:04,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 19:31:04,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 19:31:04,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 19:31:04,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 19:31:04,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 19:31:04,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 19:31:04,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 19:31:04,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 19:31:04,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 19:31:04,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 19:31:04,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-22 19:31:04,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 19:31:04,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 19:31:04,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 19:31:04,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 19:31:04,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 19:31:04,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 19:31:04,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 19:31:04,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 19:31:04,774 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 19:31:04,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 19:31:04,775 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 19:31:04,775 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 19:31:04,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 19:31:04,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 19:31:04,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 19:31:04,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 19:31:04,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 19:31:04,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 19:31:04,776 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-22 19:31:04,776 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 19:31:04,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 19:31:04,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 19:31:04,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 19:31:04,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 19:31:04,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 19:31:04,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 19:31:04,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 19:31:04,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 19:31:04,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 19:31:04,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 19:31:04,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 19:31:04,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 19:31:04,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 19:31:04,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 19:31:04,779 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef [2021-12-22 19:31:04,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 19:31:05,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 19:31:05,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 19:31:05,010 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 19:31:05,011 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 19:31:05,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_abp_1-1.c [2021-12-22 19:31:05,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10338b30/57ab27abbe184411a3487b000fd63433/FLAG34de6fe52 [2021-12-22 19:31:05,492 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 19:31:05,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_abp_1-1.c [2021-12-22 19:31:05,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10338b30/57ab27abbe184411a3487b000fd63433/FLAG34de6fe52 [2021-12-22 19:31:05,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10338b30/57ab27abbe184411a3487b000fd63433 [2021-12-22 19:31:05,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 19:31:05,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 19:31:05,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 19:31:05,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 19:31:05,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 19:31:05,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:31:05" (1/1) ... [2021-12-22 19:31:05,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa5c1a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:05, skipping insertion in model container [2021-12-22 19:31:05,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:31:05" (1/1) ... [2021-12-22 19:31:05,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 19:31:05,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 19:31:05,851 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/psyco/psyco_abp_1-1.c[24818,24831] [2021-12-22 19:31:05,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:31:05,861 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 19:31:05,897 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/psyco/psyco_abp_1-1.c[24818,24831] [2021-12-22 19:31:05,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:31:05,908 INFO L208 MainTranslator]: Completed translation [2021-12-22 19:31:05,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:05 WrapperNode [2021-12-22 19:31:05,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 19:31:05,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 19:31:05,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 19:31:05,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 19:31:05,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:05" (1/1) ... [2021-12-22 19:31:05,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:05" (1/1) ... [2021-12-22 19:31:05,988 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 469 [2021-12-22 19:31:05,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 19:31:05,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 19:31:05,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 19:31:05,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 19:31:05,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:05" (1/1) ... [2021-12-22 19:31:05,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:05" (1/1) ... [2021-12-22 19:31:05,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:05" (1/1) ... [2021-12-22 19:31:06,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:05" (1/1) ... [2021-12-22 19:31:06,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:05" (1/1) ... [2021-12-22 19:31:06,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:05" (1/1) ... [2021-12-22 19:31:06,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:05" (1/1) ... [2021-12-22 19:31:06,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 19:31:06,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 19:31:06,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 19:31:06,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 19:31:06,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:05" (1/1) ... [2021-12-22 19:31:06,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 19:31:06,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:31:06,099 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) [2021-12-22 19:31:06,117 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 [2021-12-22 19:31:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 19:31:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 19:31:06,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 19:31:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 19:31:06,203 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 19:31:06,204 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 19:31:06,757 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 19:31:06,762 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 19:31:06,763 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-22 19:31:06,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:31:06 BoogieIcfgContainer [2021-12-22 19:31:06,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 19:31:06,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 19:31:06,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 19:31:06,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 19:31:06,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 07:31:05" (1/3) ... [2021-12-22 19:31:06,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c45501e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:31:06, skipping insertion in model container [2021-12-22 19:31:06,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:31:05" (2/3) ... [2021-12-22 19:31:06,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c45501e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:31:06, skipping insertion in model container [2021-12-22 19:31:06,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:31:06" (3/3) ... [2021-12-22 19:31:06,770 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-1.c [2021-12-22 19:31:06,773 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 19:31:06,773 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2021-12-22 19:31:06,811 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 19:31:06,817 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 19:31:06,817 INFO L340 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2021-12-22 19:31:06,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 152 states have (on average 1.9605263157894737) internal successors, (298), 194 states have internal predecessors, (298), 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) [2021-12-22 19:31:06,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-22 19:31:06,837 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:06,838 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:06,839 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-12-22 19:31:06,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:06,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1915241167, now seen corresponding path program 1 times [2021-12-22 19:31:06,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:06,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422355010] [2021-12-22 19:31:06,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:06,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:07,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:07,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422355010] [2021-12-22 19:31:07,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422355010] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:31:07,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 19:31:07,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 19:31:07,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905954877] [2021-12-22 19:31:07,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:31:07,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 19:31:07,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:07,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 19:31:07,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:31:07,032 INFO L87 Difference]: Start difference. First operand has 195 states, 152 states have (on average 1.9605263157894737) internal successors, (298), 194 states have internal predecessors, (298), 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) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-12-22 19:31:07,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:07,168 INFO L93 Difference]: Finished difference Result 392 states and 602 transitions. [2021-12-22 19:31:07,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 19:31:07,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) Word has length 11 [2021-12-22 19:31:07,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:07,178 INFO L225 Difference]: With dead ends: 392 [2021-12-22 19:31:07,179 INFO L226 Difference]: Without dead ends: 168 [2021-12-22 19:31:07,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:31:07,185 INFO L933 BasicCegarLoop]: 292 mSDtfsCounter, 5 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:07,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 538 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 19:31:07,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-12-22 19:31:07,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2021-12-22 19:31:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 126 states have (on average 1.6904761904761905) internal successors, (213), 167 states have internal predecessors, (213), 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) [2021-12-22 19:31:07,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 213 transitions. [2021-12-22 19:31:07,228 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 213 transitions. Word has length 11 [2021-12-22 19:31:07,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:07,228 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 213 transitions. [2021-12-22 19:31:07,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-12-22 19:31:07,230 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 213 transitions. [2021-12-22 19:31:07,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-22 19:31:07,231 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:07,231 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:07,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 19:31:07,232 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-12-22 19:31:07,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:07,233 INFO L85 PathProgramCache]: Analyzing trace with hash 101136252, now seen corresponding path program 1 times [2021-12-22 19:31:07,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:07,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997670310] [2021-12-22 19:31:07,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:07,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:07,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:07,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997670310] [2021-12-22 19:31:07,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997670310] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:31:07,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 19:31:07,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 19:31:07,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005585393] [2021-12-22 19:31:07,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:31:07,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 19:31:07,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:07,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 19:31:07,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:31:07,300 INFO L87 Difference]: Start difference. First operand 168 states and 213 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-12-22 19:31:07,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:07,410 INFO L93 Difference]: Finished difference Result 456 states and 625 transitions. [2021-12-22 19:31:07,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 19:31:07,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) Word has length 17 [2021-12-22 19:31:07,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:07,415 INFO L225 Difference]: With dead ends: 456 [2021-12-22 19:31:07,415 INFO L226 Difference]: Without dead ends: 265 [2021-12-22 19:31:07,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:31:07,421 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 151 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:07,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 327 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 19:31:07,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-12-22 19:31:07,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 259. [2021-12-22 19:31:07,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 217 states have (on average 1.6175115207373272) internal successors, (351), 258 states have internal predecessors, (351), 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) [2021-12-22 19:31:07,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 351 transitions. [2021-12-22 19:31:07,439 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 351 transitions. Word has length 17 [2021-12-22 19:31:07,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:07,440 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 351 transitions. [2021-12-22 19:31:07,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-12-22 19:31:07,440 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 351 transitions. [2021-12-22 19:31:07,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-22 19:31:07,442 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:07,443 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:07,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 19:31:07,443 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-12-22 19:31:07,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:07,443 INFO L85 PathProgramCache]: Analyzing trace with hash 2081470014, now seen corresponding path program 1 times [2021-12-22 19:31:07,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:07,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221972212] [2021-12-22 19:31:07,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:07,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:07,479 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:07,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:07,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221972212] [2021-12-22 19:31:07,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221972212] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:31:07,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 19:31:07,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 19:31:07,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185483179] [2021-12-22 19:31:07,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:31:07,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 19:31:07,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:07,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 19:31:07,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:31:07,503 INFO L87 Difference]: Start difference. First operand 259 states and 351 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-12-22 19:31:07,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:07,539 INFO L93 Difference]: Finished difference Result 364 states and 499 transitions. [2021-12-22 19:31:07,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 19:31:07,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) Word has length 19 [2021-12-22 19:31:07,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:07,541 INFO L225 Difference]: With dead ends: 364 [2021-12-22 19:31:07,541 INFO L226 Difference]: Without dead ends: 356 [2021-12-22 19:31:07,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:31:07,542 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 123 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:07,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 386 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 19:31:07,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-12-22 19:31:07,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 350. [2021-12-22 19:31:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 308 states have (on average 1.5714285714285714) internal successors, (484), 349 states have internal predecessors, (484), 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) [2021-12-22 19:31:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 484 transitions. [2021-12-22 19:31:07,552 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 484 transitions. Word has length 19 [2021-12-22 19:31:07,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:07,552 INFO L470 AbstractCegarLoop]: Abstraction has 350 states and 484 transitions. [2021-12-22 19:31:07,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-12-22 19:31:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 484 transitions. [2021-12-22 19:31:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-22 19:31:07,553 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:07,553 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:07,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 19:31:07,554 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-12-22 19:31:07,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:07,554 INFO L85 PathProgramCache]: Analyzing trace with hash 851576329, now seen corresponding path program 1 times [2021-12-22 19:31:07,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:07,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104259944] [2021-12-22 19:31:07,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:07,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-22 19:31:07,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:07,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104259944] [2021-12-22 19:31:07,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104259944] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:31:07,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 19:31:07,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 19:31:07,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948672324] [2021-12-22 19:31:07,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:31:07,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 19:31:07,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:07,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 19:31:07,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:31:07,598 INFO L87 Difference]: Start difference. First operand 350 states and 484 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-12-22 19:31:07,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:07,620 INFO L93 Difference]: Finished difference Result 715 states and 996 transitions. [2021-12-22 19:31:07,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 19:31:07,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) Word has length 28 [2021-12-22 19:31:07,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:07,622 INFO L225 Difference]: With dead ends: 715 [2021-12-22 19:31:07,622 INFO L226 Difference]: Without dead ends: 368 [2021-12-22 19:31:07,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:31:07,623 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 40 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:07,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 359 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 19:31:07,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-12-22 19:31:07,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2021-12-22 19:31:07,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 326 states have (on average 1.5429447852760736) internal successors, (503), 367 states have internal predecessors, (503), 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) [2021-12-22 19:31:07,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 503 transitions. [2021-12-22 19:31:07,631 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 503 transitions. Word has length 28 [2021-12-22 19:31:07,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:07,631 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 503 transitions. [2021-12-22 19:31:07,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-12-22 19:31:07,631 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 503 transitions. [2021-12-22 19:31:07,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-22 19:31:07,633 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:07,633 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:07,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 19:31:07,633 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-12-22 19:31:07,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:07,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1974679586, now seen corresponding path program 1 times [2021-12-22 19:31:07,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:07,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207977708] [2021-12-22 19:31:07,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:07,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:07,679 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-22 19:31:07,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:07,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207977708] [2021-12-22 19:31:07,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207977708] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:31:07,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 19:31:07,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 19:31:07,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215291019] [2021-12-22 19:31:07,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:31:07,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 19:31:07,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:07,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 19:31:07,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:31:07,682 INFO L87 Difference]: Start difference. First operand 368 states and 503 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-22 19:31:07,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:07,734 INFO L93 Difference]: Finished difference Result 720 states and 1009 transitions. [2021-12-22 19:31:07,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 19:31:07,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) Word has length 31 [2021-12-22 19:31:07,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:07,736 INFO L225 Difference]: With dead ends: 720 [2021-12-22 19:31:07,736 INFO L226 Difference]: Without dead ends: 355 [2021-12-22 19:31:07,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:31:07,737 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 166 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:07,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 158 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 19:31:07,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-12-22 19:31:07,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 351. [2021-12-22 19:31:07,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 326 states have (on average 1.4846625766871167) internal successors, (484), 350 states have internal predecessors, (484), 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) [2021-12-22 19:31:07,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 484 transitions. [2021-12-22 19:31:07,744 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 484 transitions. Word has length 31 [2021-12-22 19:31:07,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:07,745 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 484 transitions. [2021-12-22 19:31:07,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-22 19:31:07,745 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 484 transitions. [2021-12-22 19:31:07,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-22 19:31:07,746 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:07,746 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:07,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 19:31:07,746 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-12-22 19:31:07,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:07,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1085523680, now seen corresponding path program 1 times [2021-12-22 19:31:07,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:07,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615037305] [2021-12-22 19:31:07,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:07,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-22 19:31:07,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:07,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615037305] [2021-12-22 19:31:07,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615037305] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:31:07,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 19:31:07,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 19:31:07,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308195025] [2021-12-22 19:31:07,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:31:07,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 19:31:07,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:07,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 19:31:07,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:31:07,777 INFO L87 Difference]: Start difference. First operand 351 states and 484 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-12-22 19:31:07,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:07,784 INFO L93 Difference]: Finished difference Result 702 states and 968 transitions. [2021-12-22 19:31:07,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 19:31:07,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) Word has length 32 [2021-12-22 19:31:07,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:07,786 INFO L225 Difference]: With dead ends: 702 [2021-12-22 19:31:07,786 INFO L226 Difference]: Without dead ends: 351 [2021-12-22 19:31:07,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 19:31:07,787 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 0 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:07,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 376 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 19:31:07,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-12-22 19:31:07,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-12-22 19:31:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 326 states have (on average 1.4754601226993864) internal successors, (481), 350 states have internal predecessors, (481), 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) [2021-12-22 19:31:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 481 transitions. [2021-12-22 19:31:07,793 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 481 transitions. Word has length 32 [2021-12-22 19:31:07,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:07,793 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 481 transitions. [2021-12-22 19:31:07,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-12-22 19:31:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 481 transitions. [2021-12-22 19:31:07,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-22 19:31:07,794 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:07,794 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:07,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 19:31:07,794 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-12-22 19:31:07,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:07,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1085525346, now seen corresponding path program 1 times [2021-12-22 19:31:07,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:07,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707615332] [2021-12-22 19:31:07,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:07,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:07,824 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:07,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:07,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707615332] [2021-12-22 19:31:07,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707615332] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 19:31:07,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281057390] [2021-12-22 19:31:07,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:07,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:07,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:31:07,826 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) [2021-12-22 19:31:07,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 19:31:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:07,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 19:31:07,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:31:07,972 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:07,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 19:31:07,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281057390] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:31:07,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 19:31:07,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-12-22 19:31:07,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677651140] [2021-12-22 19:31:07,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:31:07,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 19:31:07,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:07,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 19:31:07,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 19:31:07,974 INFO L87 Difference]: Start difference. First operand 351 states and 481 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-12-22 19:31:08,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:08,065 INFO L93 Difference]: Finished difference Result 519 states and 690 transitions. [2021-12-22 19:31:08,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 19:31:08,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) Word has length 32 [2021-12-22 19:31:08,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:08,067 INFO L225 Difference]: With dead ends: 519 [2021-12-22 19:31:08,067 INFO L226 Difference]: Without dead ends: 476 [2021-12-22 19:31:08,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 19:31:08,068 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 277 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:08,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 574 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 19:31:08,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-12-22 19:31:08,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 359. [2021-12-22 19:31:08,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 334 states have (on average 1.4820359281437125) internal successors, (495), 358 states have internal predecessors, (495), 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) [2021-12-22 19:31:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 495 transitions. [2021-12-22 19:31:08,075 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 495 transitions. Word has length 32 [2021-12-22 19:31:08,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:08,075 INFO L470 AbstractCegarLoop]: Abstraction has 359 states and 495 transitions. [2021-12-22 19:31:08,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-12-22 19:31:08,075 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 495 transitions. [2021-12-22 19:31:08,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-22 19:31:08,076 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:08,076 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:08,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-22 19:31:08,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:08,311 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-12-22 19:31:08,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:08,312 INFO L85 PathProgramCache]: Analyzing trace with hash 384460768, now seen corresponding path program 1 times [2021-12-22 19:31:08,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:08,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457314166] [2021-12-22 19:31:08,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:08,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:08,347 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:08,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:08,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457314166] [2021-12-22 19:31:08,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457314166] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 19:31:08,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744467563] [2021-12-22 19:31:08,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:08,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:08,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:31:08,363 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) [2021-12-22 19:31:08,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 19:31:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:08,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 19:31:08,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:31:08,455 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-22 19:31:08,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 19:31:08,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744467563] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 19:31:08,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 19:31:08,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-22 19:31:08,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438764565] [2021-12-22 19:31:08,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 19:31:08,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 19:31:08,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:08,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 19:31:08,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 19:31:08,458 INFO L87 Difference]: Start difference. First operand 359 states and 495 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-12-22 19:31:08,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:08,490 INFO L93 Difference]: Finished difference Result 359 states and 495 transitions. [2021-12-22 19:31:08,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 19:31:08,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) Word has length 32 [2021-12-22 19:31:08,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:08,492 INFO L225 Difference]: With dead ends: 359 [2021-12-22 19:31:08,492 INFO L226 Difference]: Without dead ends: 316 [2021-12-22 19:31:08,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 19:31:08,493 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 156 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:08,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 147 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 19:31:08,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2021-12-22 19:31:08,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 215. [2021-12-22 19:31:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 207 states have (on average 1.4492753623188406) internal successors, (300), 214 states have internal predecessors, (300), 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) [2021-12-22 19:31:08,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 300 transitions. [2021-12-22 19:31:08,498 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 300 transitions. Word has length 32 [2021-12-22 19:31:08,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:08,498 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 300 transitions. [2021-12-22 19:31:08,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-12-22 19:31:08,498 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 300 transitions. [2021-12-22 19:31:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-22 19:31:08,499 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 19:31:08,499 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:08,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-22 19:31:08,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-12-22 19:31:08,719 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2021-12-22 19:31:08,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:31:08,719 INFO L85 PathProgramCache]: Analyzing trace with hash -487184860, now seen corresponding path program 1 times [2021-12-22 19:31:08,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:31:08,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667218632] [2021-12-22 19:31:08,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:08,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:31:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:08,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 19:31:08,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667218632] [2021-12-22 19:31:08,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667218632] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 19:31:08,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504245532] [2021-12-22 19:31:08,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:31:08,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:08,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:31:08,746 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) [2021-12-22 19:31:08,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-22 19:31:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:31:08,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 19:31:08,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:31:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:08,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 19:31:08,932 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:31:08,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504245532] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 19:31:08,932 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 19:31:08,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-12-22 19:31:08,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620934855] [2021-12-22 19:31:08,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 19:31:08,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 19:31:08,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 19:31:08,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 19:31:08,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-22 19:31:08,934 INFO L87 Difference]: Start difference. First operand 215 states and 300 transitions. Second operand has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 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) [2021-12-22 19:31:08,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 19:31:08,980 INFO L93 Difference]: Finished difference Result 221 states and 307 transitions. [2021-12-22 19:31:08,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 19:31:08,981 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 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) Word has length 34 [2021-12-22 19:31:08,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 19:31:08,981 INFO L225 Difference]: With dead ends: 221 [2021-12-22 19:31:08,981 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 19:31:08,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-12-22 19:31:08,982 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 591 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 19:31:08,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [591 Valid, 259 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 19:31:08,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 19:31:08,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 19:31:08,983 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) [2021-12-22 19:31:08,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 19:31:08,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2021-12-22 19:31:08,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 19:31:08,984 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 19:31:08,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 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) [2021-12-22 19:31:08,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 19:31:08,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 19:31:08,986 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2021-12-22 19:31:08,986 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2021-12-22 19:31:08,987 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2021-12-22 19:31:08,987 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2021-12-22 19:31:08,987 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2021-12-22 19:31:08,987 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2021-12-22 19:31:08,987 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2021-12-22 19:31:08,987 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2021-12-22 19:31:08,988 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2021-12-22 19:31:08,988 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2021-12-22 19:31:08,988 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2021-12-22 19:31:08,988 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2021-12-22 19:31:08,988 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2021-12-22 19:31:08,988 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2021-12-22 19:31:08,988 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2021-12-22 19:31:08,989 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2021-12-22 19:31:08,989 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2021-12-22 19:31:08,989 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2021-12-22 19:31:08,989 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2021-12-22 19:31:08,989 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2021-12-22 19:31:08,989 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2021-12-22 19:31:08,990 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2021-12-22 19:31:08,990 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2021-12-22 19:31:08,990 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2021-12-22 19:31:08,990 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2021-12-22 19:31:08,990 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2021-12-22 19:31:08,990 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2021-12-22 19:31:08,990 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2021-12-22 19:31:08,991 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2021-12-22 19:31:08,991 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2021-12-22 19:31:08,991 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2021-12-22 19:31:08,991 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2021-12-22 19:31:08,991 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2021-12-22 19:31:08,991 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2021-12-22 19:31:08,992 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2021-12-22 19:31:08,992 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2021-12-22 19:31:08,992 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2021-12-22 19:31:08,992 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2021-12-22 19:31:08,992 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2021-12-22 19:31:08,992 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2021-12-22 19:31:08,992 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2021-12-22 19:31:08,993 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2021-12-22 19:31:09,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-22 19:31:09,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:31:09,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-22 19:31:09,284 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-12-22 19:31:09,285 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 513) no Hoare annotation was computed. [2021-12-22 19:31:09,285 INFO L858 garLoopResultBuilder]: For program point L465(lines 465 564) no Hoare annotation was computed. [2021-12-22 19:31:09,285 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 443) no Hoare annotation was computed. [2021-12-22 19:31:09,285 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2021-12-22 19:31:09,285 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 381) no Hoare annotation was computed. [2021-12-22 19:31:09,285 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 311) no Hoare annotation was computed. [2021-12-22 19:31:09,285 INFO L858 garLoopResultBuilder]: For program point L168(lines 168 179) no Hoare annotation was computed. [2021-12-22 19:31:09,286 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 543) no Hoare annotation was computed. [2021-12-22 19:31:09,286 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2021-12-22 19:31:09,286 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 481) no Hoare annotation was computed. [2021-12-22 19:31:09,286 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 411) no Hoare annotation was computed. [2021-12-22 19:31:09,286 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 279) no Hoare annotation was computed. [2021-12-22 19:31:09,286 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2021-12-22 19:31:09,286 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-22 19:31:09,286 INFO L858 garLoopResultBuilder]: For program point L136-1(line 136) no Hoare annotation was computed. [2021-12-22 19:31:09,287 INFO L858 garLoopResultBuilder]: For program point L136-2(lines 136 138) no Hoare annotation was computed. [2021-12-22 19:31:09,287 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 511) no Hoare annotation was computed. [2021-12-22 19:31:09,287 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 388) no Hoare annotation was computed. [2021-12-22 19:31:09,287 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 379) no Hoare annotation was computed. [2021-12-22 19:31:09,287 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2021-12-22 19:31:09,287 INFO L858 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2021-12-22 19:31:09,287 INFO L858 garLoopResultBuilder]: For program point L236-1(line 236) no Hoare annotation was computed. [2021-12-22 19:31:09,287 INFO L858 garLoopResultBuilder]: For program point L236-2(lines 236 238) no Hoare annotation was computed. [2021-12-22 19:31:09,288 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 106) no Hoare annotation was computed. [2021-12-22 19:31:09,288 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 479) no Hoare annotation was computed. [2021-12-22 19:31:09,288 INFO L858 garLoopResultBuilder]: For program point L336(line 336) no Hoare annotation was computed. [2021-12-22 19:31:09,288 INFO L858 garLoopResultBuilder]: For program point L336-1(line 336) no Hoare annotation was computed. [2021-12-22 19:31:09,288 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 336 338) no Hoare annotation was computed. [2021-12-22 19:31:09,288 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 206) no Hoare annotation was computed. [2021-12-22 19:31:09,288 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 74) no Hoare annotation was computed. [2021-12-22 19:31:09,288 INFO L858 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2021-12-22 19:31:09,288 INFO L858 garLoopResultBuilder]: For program point L436-1(line 436) no Hoare annotation was computed. [2021-12-22 19:31:09,289 INFO L858 garLoopResultBuilder]: For program point L436-2(lines 436 438) no Hoare annotation was computed. [2021-12-22 19:31:09,289 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 306) no Hoare annotation was computed. [2021-12-22 19:31:09,289 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 174) no Hoare annotation was computed. [2021-12-22 19:31:09,289 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 42) no Hoare annotation was computed. [2021-12-22 19:31:09,289 INFO L858 garLoopResultBuilder]: For program point L40-2(lines 26 567) no Hoare annotation was computed. [2021-12-22 19:31:09,289 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-12-22 19:31:09,289 INFO L858 garLoopResultBuilder]: For program point L536-1(line 536) no Hoare annotation was computed. [2021-12-22 19:31:09,289 INFO L858 garLoopResultBuilder]: For program point L536-2(lines 536 538) no Hoare annotation was computed. [2021-12-22 19:31:09,289 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 406) no Hoare annotation was computed. [2021-12-22 19:31:09,290 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2021-12-22 19:31:09,290 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 274) no Hoare annotation was computed. [2021-12-22 19:31:09,290 INFO L858 garLoopResultBuilder]: For program point L504(lines 504 506) no Hoare annotation was computed. [2021-12-22 19:31:09,290 INFO L858 garLoopResultBuilder]: For program point L372(lines 372 374) no Hoare annotation was computed. [2021-12-22 19:31:09,290 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 236) no Hoare annotation was computed. [2021-12-22 19:31:09,290 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2021-12-22 19:31:09,290 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-12-22 19:31:09,290 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2021-12-22 19:31:09,291 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 488) no Hoare annotation was computed. [2021-12-22 19:31:09,291 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2021-12-22 19:31:09,291 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2021-12-22 19:31:09,291 INFO L858 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2021-12-22 19:31:09,291 INFO L858 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-12-22 19:31:09,291 INFO L858 garLoopResultBuilder]: For program point L78-2(line 78) no Hoare annotation was computed. [2021-12-22 19:31:09,291 INFO L858 garLoopResultBuilder]: For program point L78-3(line 78) no Hoare annotation was computed. [2021-12-22 19:31:09,291 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 288) no Hoare annotation was computed. [2021-12-22 19:31:09,292 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 61) no Hoare annotation was computed. [2021-12-22 19:31:09,292 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-12-22 19:31:09,292 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 161) no Hoare annotation was computed. [2021-12-22 19:31:09,292 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2021-12-22 19:31:09,292 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 261) no Hoare annotation was computed. [2021-12-22 19:31:09,292 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-12-22 19:31:09,292 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 129) no Hoare annotation was computed. [2021-12-22 19:31:09,292 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 59) no Hoare annotation was computed. [2021-12-22 19:31:09,293 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 536) no Hoare annotation was computed. [2021-12-22 19:31:09,293 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2021-12-22 19:31:09,293 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 361) no Hoare annotation was computed. [2021-12-22 19:31:09,293 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 229) no Hoare annotation was computed. [2021-12-22 19:31:09,293 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2021-12-22 19:31:09,293 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 97) no Hoare annotation was computed. [2021-12-22 19:31:09,293 INFO L861 garLoopResultBuilder]: At program point L16(lines 16 572) the Hoare annotation is: true [2021-12-22 19:31:09,294 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 461) no Hoare annotation was computed. [2021-12-22 19:31:09,294 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2021-12-22 19:31:09,294 INFO L858 garLoopResultBuilder]: For program point L314(lines 314 329) no Hoare annotation was computed. [2021-12-22 19:31:09,294 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 259) no Hoare annotation was computed. [2021-12-22 19:31:09,294 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 197) no Hoare annotation was computed. [2021-12-22 19:31:09,294 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 127) no Hoare annotation was computed. [2021-12-22 19:31:09,294 INFO L858 garLoopResultBuilder]: For program point L546(lines 546 561) no Hoare annotation was computed. [2021-12-22 19:31:09,294 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 429) no Hoare annotation was computed. [2021-12-22 19:31:09,294 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 359) no Hoare annotation was computed. [2021-12-22 19:31:09,295 INFO L858 garLoopResultBuilder]: For program point L282(lines 282 297) no Hoare annotation was computed. [2021-12-22 19:31:09,295 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 227) no Hoare annotation was computed. [2021-12-22 19:31:09,295 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 95) no Hoare annotation was computed. [2021-12-22 19:31:09,295 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 252) no Hoare annotation was computed. [2021-12-22 19:31:09,295 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 529) no Hoare annotation was computed. [2021-12-22 19:31:09,295 INFO L858 garLoopResultBuilder]: For program point L448(lines 448 459) no Hoare annotation was computed. [2021-12-22 19:31:09,295 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 397) no Hoare annotation was computed. [2021-12-22 19:31:09,295 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 327) no Hoare annotation was computed. [2021-12-22 19:31:09,296 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2021-12-22 19:31:09,296 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 195) no Hoare annotation was computed. [2021-12-22 19:31:09,296 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2021-12-22 19:31:09,296 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 54) no Hoare annotation was computed. [2021-12-22 19:31:09,296 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 559) no Hoare annotation was computed. [2021-12-22 19:31:09,296 INFO L858 garLoopResultBuilder]: For program point L482(lines 482 497) no Hoare annotation was computed. [2021-12-22 19:31:09,296 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 427) no Hoare annotation was computed. [2021-12-22 19:31:09,296 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-22 19:31:09,296 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 295) no Hoare annotation was computed. [2021-12-22 19:31:09,297 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-22 19:31:09,297 INFO L858 garLoopResultBuilder]: For program point L152-1(line 152) no Hoare annotation was computed. [2021-12-22 19:31:09,297 INFO L858 garLoopResultBuilder]: For program point L152-2(lines 152 154) no Hoare annotation was computed. [2021-12-22 19:31:09,297 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2021-12-22 19:31:09,297 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 527) no Hoare annotation was computed. [2021-12-22 19:31:09,297 INFO L858 garLoopResultBuilder]: For program point L384(lines 384 395) no Hoare annotation was computed. [2021-12-22 19:31:09,297 INFO L858 garLoopResultBuilder]: For program point L252(line 252) no Hoare annotation was computed. [2021-12-22 19:31:09,297 INFO L858 garLoopResultBuilder]: For program point L252-1(line 252) no Hoare annotation was computed. [2021-12-22 19:31:09,297 INFO L858 garLoopResultBuilder]: For program point L252-2(lines 252 254) no Hoare annotation was computed. [2021-12-22 19:31:09,298 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 122) no Hoare annotation was computed. [2021-12-22 19:31:09,298 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 152) no Hoare annotation was computed. [2021-12-22 19:31:09,298 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 495) no Hoare annotation was computed. [2021-12-22 19:31:09,298 INFO L858 garLoopResultBuilder]: For program point L352(line 352) no Hoare annotation was computed. [2021-12-22 19:31:09,298 INFO L858 garLoopResultBuilder]: For program point L352-1(line 352) no Hoare annotation was computed. [2021-12-22 19:31:09,298 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 354) no Hoare annotation was computed. [2021-12-22 19:31:09,298 INFO L858 garLoopResultBuilder]: For program point L220(lines 220 222) no Hoare annotation was computed. [2021-12-22 19:31:09,298 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-22 19:31:09,298 INFO L858 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2021-12-22 19:31:09,299 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2021-12-22 19:31:09,299 INFO L858 garLoopResultBuilder]: For program point L88-2(lines 88 90) no Hoare annotation was computed. [2021-12-22 19:31:09,299 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-12-22 19:31:09,299 INFO L858 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2021-12-22 19:31:09,299 INFO L858 garLoopResultBuilder]: For program point L452-2(lines 452 454) no Hoare annotation was computed. [2021-12-22 19:31:09,299 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 322) no Hoare annotation was computed. [2021-12-22 19:31:09,299 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-22 19:31:09,299 INFO L858 garLoopResultBuilder]: For program point L188-1(line 188) no Hoare annotation was computed. [2021-12-22 19:31:09,299 INFO L858 garLoopResultBuilder]: For program point L188-2(lines 188 190) no Hoare annotation was computed. [2021-12-22 19:31:09,300 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 294) no Hoare annotation was computed. [2021-12-22 19:31:09,300 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-12-22 19:31:09,300 INFO L858 garLoopResultBuilder]: For program point L552-2(line 552) no Hoare annotation was computed. [2021-12-22 19:31:09,300 INFO L858 garLoopResultBuilder]: For program point L552-3(line 552) no Hoare annotation was computed. [2021-12-22 19:31:09,300 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 422) no Hoare annotation was computed. [2021-12-22 19:31:09,300 INFO L858 garLoopResultBuilder]: For program point L552-4(lines 552 554) no Hoare annotation was computed. [2021-12-22 19:31:09,300 INFO L858 garLoopResultBuilder]: For program point L288(line 288) no Hoare annotation was computed. [2021-12-22 19:31:09,300 INFO L858 garLoopResultBuilder]: For program point L288-2(line 288) no Hoare annotation was computed. [2021-12-22 19:31:09,301 INFO L858 garLoopResultBuilder]: For program point L288-3(line 288) no Hoare annotation was computed. [2021-12-22 19:31:09,301 INFO L858 garLoopResultBuilder]: For program point L288-4(lines 288 290) no Hoare annotation was computed. [2021-12-22 19:31:09,301 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-12-22 19:31:09,301 INFO L861 garLoopResultBuilder]: At program point L553(lines 16 572) the Hoare annotation is: true [2021-12-22 19:31:09,301 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 558) no Hoare annotation was computed. [2021-12-22 19:31:09,301 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 522) no Hoare annotation was computed. [2021-12-22 19:31:09,301 INFO L858 garLoopResultBuilder]: For program point L388(line 388) no Hoare annotation was computed. [2021-12-22 19:31:09,301 INFO L858 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2021-12-22 19:31:09,302 INFO L858 garLoopResultBuilder]: For program point L388-2(lines 388 390) no Hoare annotation was computed. [2021-12-22 19:31:09,302 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-22 19:31:09,302 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 426) no Hoare annotation was computed. [2021-12-22 19:31:09,302 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 552) no Hoare annotation was computed. [2021-12-22 19:31:09,302 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-12-22 19:31:09,302 INFO L858 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2021-12-22 19:31:09,302 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 490) no Hoare annotation was computed. [2021-12-22 19:31:09,302 INFO L854 garLoopResultBuilder]: At program point L26-2(lines 26 567) the Hoare annotation is: (and (<= 0 (+ 16 |ULTIMATE.start_main_~this_expect~0#1|)) (<= |ULTIMATE.start_main_~this_expect~0#1| 16) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) [2021-12-22 19:31:09,303 INFO L858 garLoopResultBuilder]: For program point L26-3(lines 26 567) no Hoare annotation was computed. [2021-12-22 19:31:09,303 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 136) no Hoare annotation was computed. [2021-12-22 19:31:09,303 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 352) no Hoare annotation was computed. [2021-12-22 19:31:09,303 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2021-12-22 19:31:09,303 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-12-22 19:31:09,303 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-22 19:31:09,303 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-12-22 19:31:09,303 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-12-22 19:31:09,304 INFO L858 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2021-12-22 19:31:09,304 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-12-22 19:31:09,304 INFO L858 garLoopResultBuilder]: For program point L426-1(line 426) no Hoare annotation was computed. [2021-12-22 19:31:09,304 INFO L858 garLoopResultBuilder]: For program point L426-2(line 426) no Hoare annotation was computed. [2021-12-22 19:31:09,304 INFO L858 garLoopResultBuilder]: For program point L426-3(line 426) no Hoare annotation was computed. [2021-12-22 19:31:09,304 INFO L858 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2021-12-22 19:31:09,304 INFO L858 garLoopResultBuilder]: For program point L294-1(line 294) no Hoare annotation was computed. [2021-12-22 19:31:09,304 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2021-12-22 19:31:09,304 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 145) no Hoare annotation was computed. [2021-12-22 19:31:09,305 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 188) no Hoare annotation was computed. [2021-12-22 19:31:09,305 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 245) no Hoare annotation was computed. [2021-12-22 19:31:09,305 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 113) no Hoare annotation was computed. [2021-12-22 19:31:09,305 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 164) no Hoare annotation was computed. [2021-12-22 19:31:09,305 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-22 19:31:09,305 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2021-12-22 19:31:09,305 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 452) no Hoare annotation was computed. [2021-12-22 19:31:09,305 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 345) no Hoare annotation was computed. [2021-12-22 19:31:09,305 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 213) no Hoare annotation was computed. [2021-12-22 19:31:09,306 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 264) no Hoare annotation was computed. [2021-12-22 19:31:09,306 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 143) no Hoare annotation was computed. [2021-12-22 19:31:09,306 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-12-22 19:31:09,306 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 336) no Hoare annotation was computed. [2021-12-22 19:31:09,306 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 445) no Hoare annotation was computed. [2021-12-22 19:31:09,306 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 313) no Hoare annotation was computed. [2021-12-22 19:31:09,306 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 364) no Hoare annotation was computed. [2021-12-22 19:31:09,306 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2021-12-22 19:31:09,306 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 181) no Hoare annotation was computed. [2021-12-22 19:31:09,306 INFO L858 garLoopResultBuilder]: For program point L100(lines 100 111) no Hoare annotation was computed. [2021-12-22 19:31:09,307 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 436) no Hoare annotation was computed. [2021-12-22 19:31:09,307 INFO L854 garLoopResultBuilder]: At program point L563(lines 26 567) the Hoare annotation is: (and (<= 0 (+ 16 |ULTIMATE.start_main_~this_expect~0#1|)) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) [2021-12-22 19:31:09,307 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 545) no Hoare annotation was computed. [2021-12-22 19:31:09,307 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 413) no Hoare annotation was computed. [2021-12-22 19:31:09,307 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 464) no Hoare annotation was computed. [2021-12-22 19:31:09,307 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 343) no Hoare annotation was computed. [2021-12-22 19:31:09,307 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 281) no Hoare annotation was computed. [2021-12-22 19:31:09,307 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 211) no Hoare annotation was computed. [2021-12-22 19:31:09,308 INFO L858 garLoopResultBuilder]: For program point L68(lines 68 79) no Hoare annotation was computed. [2021-12-22 19:31:09,310 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 19:31:09,311 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 19:31:09,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 07:31:09 BoogieIcfgContainer [2021-12-22 19:31:09,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 19:31:09,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 19:31:09,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 19:31:09,335 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 19:31:09,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:31:06" (3/4) ... [2021-12-22 19:31:09,338 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-22 19:31:09,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-12-22 19:31:09,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-22 19:31:09,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-22 19:31:09,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-22 19:31:09,376 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 19:31:09,376 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 19:31:09,376 INFO L158 Benchmark]: Toolchain (without parser) took 3842.19ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 92.6MB in the beginning and 108.6MB in the end (delta: -16.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2021-12-22 19:31:09,377 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 19:31:09,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.35ms. Allocated memory is still 125.8MB. Free memory was 92.2MB in the beginning and 90.8MB in the end (delta: 1.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-12-22 19:31:09,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.04ms. Allocated memory is still 125.8MB. Free memory was 90.8MB in the beginning and 85.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-22 19:31:09,378 INFO L158 Benchmark]: Boogie Preprocessor took 66.13ms. Allocated memory is still 125.8MB. Free memory was 85.8MB in the beginning and 82.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-22 19:31:09,378 INFO L158 Benchmark]: RCFGBuilder took 708.72ms. Allocated memory is still 125.8MB. Free memory was 82.9MB in the beginning and 95.1MB in the end (delta: -12.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-12-22 19:31:09,379 INFO L158 Benchmark]: TraceAbstraction took 2568.93ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 94.8MB in the beginning and 110.7MB in the end (delta: -15.9MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2021-12-22 19:31:09,379 INFO L158 Benchmark]: Witness Printer took 41.27ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 108.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 19:31:09,382 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.35ms. Allocated memory is still 125.8MB. Free memory was 92.2MB in the beginning and 90.8MB in the end (delta: 1.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.04ms. Allocated memory is still 125.8MB. Free memory was 90.8MB in the beginning and 85.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.13ms. Allocated memory is still 125.8MB. Free memory was 85.8MB in the beginning and 82.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 708.72ms. Allocated memory is still 125.8MB. Free memory was 82.9MB in the beginning and 95.1MB in the end (delta: -12.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2568.93ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 94.8MB in the beginning and 110.7MB in the end (delta: -15.9MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Witness Printer took 41.27ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 108.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 136]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 136]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 152]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 152]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 188]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 188]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 288]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 288]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 294]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 294]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 336]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 336]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 352]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 352]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 388]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 388]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 426]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 436]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 436]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 488]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 488]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 536]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: 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 1 procedures, 195 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1509 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1509 mSDsluCounter, 3124 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1336 mSDsCounter, 140 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 424 IncrementalHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 140 mSolverCounterUnsat, 1788 mSDtfsCounter, 424 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=368occurred in iteration=4, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 234 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 17 NumberOfFragments, 29 HoareAnnotationTreeSize, 4 FomulaSimplifications, 99 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 377 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 355 ConstructedInterpolants, 0 QuantifiedInterpolants, 811 SizeOfPredicates, 0 NumberOfNonLiveVariables, 645 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 89/107 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 42 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((0 <= 16 + this_expect && this_expect <= 16) && 0 <= this_buffer_empty) && this_buffer_empty <= 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (0 <= 16 + this_expect && 0 <= this_buffer_empty) && this_buffer_empty <= 1 RESULT: Ultimate proved your program to be correct! [2021-12-22 19:31:09,422 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE