./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/aviad.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a31fd051 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/termination-crafted-lit/aviad.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 212c9b1b6a93f8f17548e7937584929a6b6ed1677eb6287f5deae898fbaeb3a4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 13:59:40,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 13:59:40,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 13:59:40,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 13:59:40,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 13:59:40,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 13:59:40,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 13:59:40,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 13:59:40,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 13:59:40,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 13:59:40,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 13:59:40,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 13:59:40,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 13:59:40,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 13:59:40,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 13:59:40,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 13:59:40,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 13:59:40,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 13:59:40,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 13:59:40,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 13:59:40,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 13:59:40,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 13:59:40,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 13:59:40,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 13:59:40,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 13:59:40,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 13:59:40,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 13:59:40,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 13:59:40,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 13:59:40,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 13:59:40,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 13:59:40,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 13:59:40,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 13:59:40,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 13:59:40,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 13:59:40,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 13:59:40,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 13:59:40,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 13:59:40,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 13:59:40,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 13:59:40,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 13:59:40,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-15 13:59:40,877 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 13:59:40,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 13:59:40,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 13:59:40,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 13:59:40,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 13:59:40,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 13:59:40,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 13:59:40,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 13:59:40,879 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 13:59:40,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 13:59:40,880 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 13:59:40,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 13:59:40,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 13:59:40,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 13:59:40,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 13:59:40,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 13:59:40,881 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 13:59:40,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 13:59:40,881 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 13:59:40,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 13:59:40,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 13:59:40,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 13:59:40,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 13:59:40,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:59:40,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 13:59:40,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 13:59:40,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 13:59:40,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 13:59:40,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 13:59:40,883 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 13:59:40,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 13:59:40,883 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 13:59:40,883 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 13:59:40,884 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 13:59:40,884 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 212c9b1b6a93f8f17548e7937584929a6b6ed1677eb6287f5deae898fbaeb3a4 [2023-02-15 13:59:41,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 13:59:41,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 13:59:41,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 13:59:41,097 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 13:59:41,097 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 13:59:41,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/aviad.c [2023-02-15 13:59:42,038 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 13:59:42,201 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 13:59:42,202 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/aviad.c [2023-02-15 13:59:42,206 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9321cba8/c36f88aeb95f4db588c32eebe1ddee37/FLAGe0f8c2242 [2023-02-15 13:59:42,613 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9321cba8/c36f88aeb95f4db588c32eebe1ddee37 [2023-02-15 13:59:42,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 13:59:42,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 13:59:42,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 13:59:42,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 13:59:42,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 13:59:42,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:59:42" (1/1) ... [2023-02-15 13:59:42,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d1e4e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:59:42, skipping insertion in model container [2023-02-15 13:59:42,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:59:42" (1/1) ... [2023-02-15 13:59:42,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 13:59:42,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 13:59:42,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 13:59:42,731 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 13:59:42,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 13:59:42,755 INFO L208 MainTranslator]: Completed translation [2023-02-15 13:59:42,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:59:42 WrapperNode [2023-02-15 13:59:42,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 13:59:42,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 13:59:42,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 13:59:42,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 13:59:42,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:59:42" (1/1) ... [2023-02-15 13:59:42,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:59:42" (1/1) ... [2023-02-15 13:59:42,777 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 33 [2023-02-15 13:59:42,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 13:59:42,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 13:59:42,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 13:59:42,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 13:59:42,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:59:42" (1/1) ... [2023-02-15 13:59:42,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:59:42" (1/1) ... [2023-02-15 13:59:42,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:59:42" (1/1) ... [2023-02-15 13:59:42,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:59:42" (1/1) ... [2023-02-15 13:59:42,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:59:42" (1/1) ... [2023-02-15 13:59:42,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:59:42" (1/1) ... [2023-02-15 13:59:42,798 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:59:42" (1/1) ... [2023-02-15 13:59:42,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:59:42" (1/1) ... [2023-02-15 13:59:42,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 13:59:42,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 13:59:42,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 13:59:42,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 13:59:42,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:59:42" (1/1) ... [2023-02-15 13:59:42,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:59:42,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:59:42,840 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) [2023-02-15 13:59:42,846 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 [2023-02-15 13:59:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 13:59:42,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 13:59:42,901 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 13:59:42,902 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 13:59:43,039 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 13:59:43,044 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 13:59:43,044 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 13:59:43,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:59:43 BoogieIcfgContainer [2023-02-15 13:59:43,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 13:59:43,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 13:59:43,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 13:59:43,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 13:59:43,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 01:59:42" (1/3) ... [2023-02-15 13:59:43,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1086f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:59:43, skipping insertion in model container [2023-02-15 13:59:43,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:59:42" (2/3) ... [2023-02-15 13:59:43,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1086f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:59:43, skipping insertion in model container [2023-02-15 13:59:43,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:59:43" (3/3) ... [2023-02-15 13:59:43,058 INFO L112 eAbstractionObserver]: Analyzing ICFG aviad.c [2023-02-15 13:59:43,070 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 13:59:43,078 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-02-15 13:59:43,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 13:59:43,124 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6509cf28, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 13:59:43,125 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-02-15 13:59:43,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 15 states have (on average 1.6) internal successors, (24), 21 states have internal predecessors, (24), 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) [2023-02-15 13:59:43,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-15 13:59:43,132 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:59:43,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-15 13:59:43,133 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 13:59:43,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:59:43,138 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times [2023-02-15 13:59:43,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:59:43,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604003361] [2023-02-15 13:59:43,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:59:43,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:59:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:59:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:43,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:59:43,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604003361] [2023-02-15 13:59:43,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604003361] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:59:43,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:59:43,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 13:59:43,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281985356] [2023-02-15 13:59:43,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:59:43,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 13:59:43,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:59:43,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 13:59:43,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 13:59:43,290 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.6) internal successors, (24), 21 states have internal predecessors, (24), 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, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-02-15 13:59:43,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:59:43,337 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2023-02-15 13:59:43,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 13:59:43,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2023-02-15 13:59:43,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:59:43,343 INFO L225 Difference]: With dead ends: 27 [2023-02-15 13:59:43,343 INFO L226 Difference]: Without dead ends: 15 [2023-02-15 13:59:43,345 INFO L412 NwaCegarLoop]: 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 [2023-02-15 13:59:43,347 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 5 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 13:59:43,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 25 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 13:59:43,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-02-15 13:59:43,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-02-15 13:59:43,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 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) [2023-02-15 13:59:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2023-02-15 13:59:43,374 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 5 [2023-02-15 13:59:43,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:59:43,374 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2023-02-15 13:59:43,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-02-15 13:59:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-02-15 13:59:43,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-15 13:59:43,375 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:59:43,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-15 13:59:43,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 13:59:43,376 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 13:59:43,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:59:43,377 INFO L85 PathProgramCache]: Analyzing trace with hash 889698349, now seen corresponding path program 1 times [2023-02-15 13:59:43,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:59:43,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620110413] [2023-02-15 13:59:43,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:59:43,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:59:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:59:43,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:43,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:59:43,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620110413] [2023-02-15 13:59:43,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620110413] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:59:43,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:59:43,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 13:59:43,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672372775] [2023-02-15 13:59:43,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:59:43,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 13:59:43,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:59:43,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 13:59:43,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 13:59:43,444 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-02-15 13:59:43,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:59:43,458 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2023-02-15 13:59:43,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 13:59:43,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-02-15 13:59:43,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:59:43,460 INFO L225 Difference]: With dead ends: 15 [2023-02-15 13:59:43,460 INFO L226 Difference]: Without dead ends: 13 [2023-02-15 13:59:43,460 INFO L412 NwaCegarLoop]: 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 [2023-02-15 13:59:43,461 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 13:59:43,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 10 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 13:59:43,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-02-15 13:59:43,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-02-15 13:59:43,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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) [2023-02-15 13:59:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2023-02-15 13:59:43,466 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 6 [2023-02-15 13:59:43,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:59:43,466 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-02-15 13:59:43,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-02-15 13:59:43,467 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-02-15 13:59:43,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-15 13:59:43,467 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:59:43,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:59:43,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 13:59:43,468 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 13:59:43,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:59:43,471 INFO L85 PathProgramCache]: Analyzing trace with hash 301623279, now seen corresponding path program 1 times [2023-02-15 13:59:43,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:59:43,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244718607] [2023-02-15 13:59:43,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:59:43,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:59:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:59:43,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:43,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:59:43,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244718607] [2023-02-15 13:59:43,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244718607] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:59:43,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:59:43,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 13:59:43,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542892083] [2023-02-15 13:59:43,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:59:43,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 13:59:43,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:59:43,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 13:59:43,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 13:59:43,508 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2023-02-15 13:59:43,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:59:43,521 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2023-02-15 13:59:43,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 13:59:43,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2023-02-15 13:59:43,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:59:43,521 INFO L225 Difference]: With dead ends: 13 [2023-02-15 13:59:43,521 INFO L226 Difference]: Without dead ends: 12 [2023-02-15 13:59:43,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 13:59:43,523 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 13:59:43,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 18 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 13:59:43,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-02-15 13:59:43,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-02-15 13:59:43,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2023-02-15 13:59:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2023-02-15 13:59:43,525 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 8 [2023-02-15 13:59:43,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:59:43,525 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2023-02-15 13:59:43,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2023-02-15 13:59:43,525 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-02-15 13:59:43,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-15 13:59:43,526 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:59:43,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:59:43,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 13:59:43,526 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 13:59:43,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:59:43,526 INFO L85 PathProgramCache]: Analyzing trace with hash 760387117, now seen corresponding path program 1 times [2023-02-15 13:59:43,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:59:43,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205369063] [2023-02-15 13:59:43,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:59:43,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:59:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:59:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:43,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:59:43,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205369063] [2023-02-15 13:59:43,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205369063] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:59:43,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:59:43,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 13:59:43,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826277195] [2023-02-15 13:59:43,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:59:43,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 13:59:43,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:59:43,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 13:59:43,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 13:59:43,578 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-02-15 13:59:43,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:59:43,592 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2023-02-15 13:59:43,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 13:59:43,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2023-02-15 13:59:43,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:59:43,593 INFO L225 Difference]: With dead ends: 22 [2023-02-15 13:59:43,593 INFO L226 Difference]: Without dead ends: 21 [2023-02-15 13:59:43,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 13:59:43,594 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 5 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 13:59:43,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 28 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 13:59:43,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-02-15 13:59:43,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-02-15 13:59:43,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 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) [2023-02-15 13:59:43,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2023-02-15 13:59:43,598 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 9 [2023-02-15 13:59:43,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:59:43,598 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-02-15 13:59:43,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-02-15 13:59:43,599 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-02-15 13:59:43,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-15 13:59:43,599 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:59:43,599 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2023-02-15 13:59:43,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-15 13:59:43,600 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 13:59:43,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:59:43,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1770683038, now seen corresponding path program 1 times [2023-02-15 13:59:43,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:59:43,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491361971] [2023-02-15 13:59:43,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:59:43,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:59:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:59:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:43,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:59:43,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491361971] [2023-02-15 13:59:43,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491361971] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 13:59:43,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358485259] [2023-02-15 13:59:43,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:59:43,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:59:43,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:59:43,677 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) [2023-02-15 13:59:43,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 13:59:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:59:43,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-15 13:59:43,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:59:43,793 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:43,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 13:59:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:43,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358485259] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 13:59:43,850 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 13:59:43,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-02-15 13:59:43,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539254513] [2023-02-15 13:59:43,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 13:59:43,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-15 13:59:43,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:59:43,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-15 13:59:43,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-02-15 13:59:43,852 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 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) [2023-02-15 13:59:43,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:59:43,919 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2023-02-15 13:59:43,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-15 13:59:43,919 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 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 16 [2023-02-15 13:59:43,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:59:43,920 INFO L225 Difference]: With dead ends: 49 [2023-02-15 13:59:43,920 INFO L226 Difference]: Without dead ends: 48 [2023-02-15 13:59:43,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-02-15 13:59:43,925 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 25 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 13:59:43,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 61 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 13:59:43,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-02-15 13:59:43,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-02-15 13:59:43,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 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) [2023-02-15 13:59:43,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2023-02-15 13:59:43,930 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 16 [2023-02-15 13:59:43,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:59:43,930 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2023-02-15 13:59:43,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 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) [2023-02-15 13:59:43,930 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2023-02-15 13:59:43,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-02-15 13:59:43,931 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:59:43,931 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 1, 1, 1] [2023-02-15 13:59:43,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-15 13:59:44,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:59:44,138 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 13:59:44,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:59:44,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1461730579, now seen corresponding path program 2 times [2023-02-15 13:59:44,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:59:44,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302190222] [2023-02-15 13:59:44,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:59:44,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:59:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:59:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:44,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:59:44,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302190222] [2023-02-15 13:59:44,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302190222] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 13:59:44,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764658140] [2023-02-15 13:59:44,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 13:59:44,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:59:44,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:59:44,361 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) [2023-02-15 13:59:44,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-15 13:59:44,397 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 13:59:44,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 13:59:44,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2023-02-15 13:59:44,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:59:44,461 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:44,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 13:59:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:44,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764658140] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 13:59:44,628 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 13:59:44,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2023-02-15 13:59:44,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155269373] [2023-02-15 13:59:44,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 13:59:44,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-15 13:59:44,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:59:44,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-15 13:59:44,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2023-02-15 13:59:44,640 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 22 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 22 states have internal predecessors, (73), 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) [2023-02-15 13:59:44,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:59:44,832 INFO L93 Difference]: Finished difference Result 103 states and 119 transitions. [2023-02-15 13:59:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-15 13:59:44,832 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 22 states have internal predecessors, (73), 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 37 [2023-02-15 13:59:44,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:59:44,833 INFO L225 Difference]: With dead ends: 103 [2023-02-15 13:59:44,833 INFO L226 Difference]: Without dead ends: 102 [2023-02-15 13:59:44,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-02-15 13:59:44,834 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 115 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 13:59:44,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 101 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 13:59:44,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-02-15 13:59:44,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-02-15 13:59:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.118811881188119) internal successors, (113), 101 states have internal predecessors, (113), 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) [2023-02-15 13:59:44,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 113 transitions. [2023-02-15 13:59:44,850 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 113 transitions. Word has length 37 [2023-02-15 13:59:44,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:59:44,850 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 113 transitions. [2023-02-15 13:59:44,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 22 states have internal predecessors, (73), 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) [2023-02-15 13:59:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 113 transitions. [2023-02-15 13:59:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-02-15 13:59:44,852 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:59:44,852 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 1, 1, 1] [2023-02-15 13:59:44,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-15 13:59:45,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-02-15 13:59:45,053 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 13:59:45,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:59:45,054 INFO L85 PathProgramCache]: Analyzing trace with hash -2069947891, now seen corresponding path program 3 times [2023-02-15 13:59:45,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:59:45,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569021783] [2023-02-15 13:59:45,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:59:45,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:59:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:59:45,484 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:45,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:59:45,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569021783] [2023-02-15 13:59:45,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569021783] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 13:59:45,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867495323] [2023-02-15 13:59:45,485 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 13:59:45,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:59:45,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:59:45,486 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) [2023-02-15 13:59:45,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-15 13:59:45,530 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-15 13:59:45,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 13:59:45,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-15 13:59:45,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:59:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 123 proven. 1 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-02-15 13:59:45,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 13:59:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-02-15 13:59:45,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867495323] provided 1 perfect and 1 imperfect interpolant sequences [2023-02-15 13:59:45,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-02-15 13:59:45,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [23, 6] total 31 [2023-02-15 13:59:45,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022071435] [2023-02-15 13:59:45,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:59:45,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 13:59:45,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:59:45,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 13:59:45,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=755, Unknown=0, NotChecked=0, Total=930 [2023-02-15 13:59:45,821 INFO L87 Difference]: Start difference. First operand 102 states and 113 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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) [2023-02-15 13:59:45,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:59:45,883 INFO L93 Difference]: Finished difference Result 263 states and 293 transitions. [2023-02-15 13:59:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 13:59:45,883 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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 79 [2023-02-15 13:59:45,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:59:45,884 INFO L225 Difference]: With dead ends: 263 [2023-02-15 13:59:45,885 INFO L226 Difference]: Without dead ends: 176 [2023-02-15 13:59:45,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 150 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2023-02-15 13:59:45,886 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 17 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 13:59:45,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 33 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 13:59:45,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-02-15 13:59:45,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 155. [2023-02-15 13:59:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.0844155844155845) internal successors, (167), 154 states have internal predecessors, (167), 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) [2023-02-15 13:59:45,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 167 transitions. [2023-02-15 13:59:45,898 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 167 transitions. Word has length 79 [2023-02-15 13:59:45,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:59:45,898 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 167 transitions. [2023-02-15 13:59:45,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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) [2023-02-15 13:59:45,899 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 167 transitions. [2023-02-15 13:59:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-02-15 13:59:45,900 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:59:45,900 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 6, 6, 6, 5, 5, 5, 1, 1, 1] [2023-02-15 13:59:45,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-02-15 13:59:46,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:59:46,116 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 13:59:46,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:59:46,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1550253103, now seen corresponding path program 1 times [2023-02-15 13:59:46,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:59:46,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835127830] [2023-02-15 13:59:46,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:59:46,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:59:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:59:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:46,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:59:46,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835127830] [2023-02-15 13:59:46,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835127830] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 13:59:46,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159528982] [2023-02-15 13:59:46,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:59:46,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:59:46,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:59:46,502 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 13:59:46,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-15 13:59:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:59:46,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 23 conjunts are in the unsatisfiable core [2023-02-15 13:59:46,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:59:46,631 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:46,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 13:59:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:47,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159528982] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 13:59:47,069 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 13:59:47,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2023-02-15 13:59:47,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828550944] [2023-02-15 13:59:47,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 13:59:47,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-02-15 13:59:47,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:59:47,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-02-15 13:59:47,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2023-02-15 13:59:47,072 INFO L87 Difference]: Start difference. First operand 155 states and 167 transitions. Second operand has 46 states, 45 states have (on average 3.488888888888889) internal successors, (157), 46 states have internal predecessors, (157), 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) [2023-02-15 13:59:47,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:59:47,410 INFO L93 Difference]: Finished difference Result 324 states and 371 transitions. [2023-02-15 13:59:47,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-02-15 13:59:47,411 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.488888888888889) internal successors, (157), 46 states have internal predecessors, (157), 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 79 [2023-02-15 13:59:47,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:59:47,412 INFO L225 Difference]: With dead ends: 324 [2023-02-15 13:59:47,412 INFO L226 Difference]: Without dead ends: 323 [2023-02-15 13:59:47,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1332, Invalid=3224, Unknown=0, NotChecked=0, Total=4556 [2023-02-15 13:59:47,414 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 219 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 13:59:47,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 183 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 13:59:47,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2023-02-15 13:59:47,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2023-02-15 13:59:47,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 322 states have (on average 1.0776397515527951) internal successors, (347), 322 states have internal predecessors, (347), 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) [2023-02-15 13:59:47,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 347 transitions. [2023-02-15 13:59:47,438 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 347 transitions. Word has length 79 [2023-02-15 13:59:47,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:59:47,439 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 347 transitions. [2023-02-15 13:59:47,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.488888888888889) internal successors, (157), 46 states have internal predecessors, (157), 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) [2023-02-15 13:59:47,439 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 347 transitions. [2023-02-15 13:59:47,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-02-15 13:59:47,448 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:59:47,448 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 12, 12, 12, 11, 11, 11, 1, 1, 1] [2023-02-15 13:59:47,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-02-15 13:59:47,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:59:47,653 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 13:59:47,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:59:47,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1213414325, now seen corresponding path program 2 times [2023-02-15 13:59:47,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:59:47,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957708450] [2023-02-15 13:59:47,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:59:47,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:59:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:59:48,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 0 proven. 1507 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:48,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:59:48,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957708450] [2023-02-15 13:59:48,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957708450] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 13:59:48,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600909319] [2023-02-15 13:59:48,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 13:59:48,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:59:48,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:59:48,921 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 13:59:48,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-15 13:59:49,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 13:59:49,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 13:59:49,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 47 conjunts are in the unsatisfiable core [2023-02-15 13:59:49,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:59:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 0 proven. 1507 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:49,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 13:59:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 0 proven. 1507 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:50,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600909319] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 13:59:50,637 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 13:59:50,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2023-02-15 13:59:50,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419922000] [2023-02-15 13:59:50,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 13:59:50,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-02-15 13:59:50,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 13:59:50,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-02-15 13:59:50,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2023-02-15 13:59:50,642 INFO L87 Difference]: Start difference. First operand 323 states and 347 transitions. Second operand has 94 states, 93 states have (on average 3.4946236559139785) internal successors, (325), 94 states have internal predecessors, (325), 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) [2023-02-15 13:59:51,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:59:51,901 INFO L93 Difference]: Finished difference Result 660 states and 755 transitions. [2023-02-15 13:59:51,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-02-15 13:59:51,901 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 3.4946236559139785) internal successors, (325), 94 states have internal predecessors, (325), 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 163 [2023-02-15 13:59:51,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:59:51,903 INFO L225 Difference]: With dead ends: 660 [2023-02-15 13:59:51,903 INFO L226 Difference]: Without dead ends: 659 [2023-02-15 13:59:51,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4006 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=5544, Invalid=13916, Unknown=0, NotChecked=0, Total=19460 [2023-02-15 13:59:51,907 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 536 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 13:59:51,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 353 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 13:59:51,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2023-02-15 13:59:51,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2023-02-15 13:59:51,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 658 states have (on average 1.074468085106383) internal successors, (707), 658 states have internal predecessors, (707), 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) [2023-02-15 13:59:51,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 707 transitions. [2023-02-15 13:59:51,927 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 707 transitions. Word has length 163 [2023-02-15 13:59:51,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:59:51,927 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 707 transitions. [2023-02-15 13:59:51,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 3.4946236559139785) internal successors, (325), 94 states have internal predecessors, (325), 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) [2023-02-15 13:59:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 707 transitions. [2023-02-15 13:59:51,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-02-15 13:59:51,930 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:59:51,930 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 24, 24, 24, 23, 23, 23, 1, 1, 1] [2023-02-15 13:59:51,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-02-15 13:59:52,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:59:52,135 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 13:59:52,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:59:52,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1537260925, now seen corresponding path program 3 times [2023-02-15 13:59:52,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 13:59:52,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916370158] [2023-02-15 13:59:52,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:59:52,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 13:59:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:59:56,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6463 backedges. 0 proven. 6463 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:56,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 13:59:56,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916370158] [2023-02-15 13:59:56,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916370158] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 13:59:56,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425140673] [2023-02-15 13:59:56,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 13:59:56,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 13:59:56,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:59:56,634 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 13:59:56,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-15 13:59:56,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 41 check-sat command(s) [2023-02-15 13:59:56,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 13:59:56,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 95 conjunts are in the unsatisfiable core [2023-02-15 13:59:56,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:59:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 6463 backedges. 0 proven. 6463 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:59:57,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 14:00:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6463 backedges. 0 proven. 6463 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:00:02,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425140673] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 14:00:02,555 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 14:00:02,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2023-02-15 14:00:02,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879991962] [2023-02-15 14:00:02,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 14:00:02,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2023-02-15 14:00:02,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 14:00:02,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2023-02-15 14:00:02,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2023-02-15 14:00:02,566 INFO L87 Difference]: Start difference. First operand 659 states and 707 transitions. Second operand has 190 states, 189 states have (on average 3.497354497354497) internal successors, (661), 190 states have internal predecessors, (661), 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) [2023-02-15 14:00:07,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 14:00:07,928 INFO L93 Difference]: Finished difference Result 1332 states and 1523 transitions. [2023-02-15 14:00:07,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-02-15 14:00:07,929 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 3.497354497354497) internal successors, (661), 190 states have internal predecessors, (661), 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 331 [2023-02-15 14:00:07,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 14:00:07,933 INFO L225 Difference]: With dead ends: 1332 [2023-02-15 14:00:07,933 INFO L226 Difference]: Without dead ends: 1331 [2023-02-15 14:00:07,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17206 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=22608, Invalid=57764, Unknown=0, NotChecked=0, Total=80372 [2023-02-15 14:00:07,940 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 1046 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1046 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 14:00:07,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1046 Valid, 741 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 14:00:07,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2023-02-15 14:00:07,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1331. [2023-02-15 14:00:07,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 1330 states have (on average 1.0729323308270677) internal successors, (1427), 1330 states have internal predecessors, (1427), 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) [2023-02-15 14:00:07,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1427 transitions. [2023-02-15 14:00:07,974 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1427 transitions. Word has length 331 [2023-02-15 14:00:07,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 14:00:07,975 INFO L495 AbstractCegarLoop]: Abstraction has 1331 states and 1427 transitions. [2023-02-15 14:00:07,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 3.497354497354497) internal successors, (661), 190 states have internal predecessors, (661), 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) [2023-02-15 14:00:07,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1427 transitions. [2023-02-15 14:00:07,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2023-02-15 14:00:07,983 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 14:00:07,983 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 48, 48, 48, 47, 47, 47, 1, 1, 1] [2023-02-15 14:00:07,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-15 14:00:08,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 14:00:08,189 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-15 14:00:08,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 14:00:08,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1107036429, now seen corresponding path program 4 times [2023-02-15 14:00:08,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 14:00:08,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385332631] [2023-02-15 14:00:08,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 14:00:08,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 14:00:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 14:00:21,630 INFO L134 CoverageAnalysis]: Checked inductivity of 26743 backedges. 22700 proven. 524 refuted. 0 times theorem prover too weak. 3519 trivial. 0 not checked. [2023-02-15 14:00:21,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 14:00:21,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385332631] [2023-02-15 14:00:21,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385332631] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 14:00:21,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211972560] [2023-02-15 14:00:21,631 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-15 14:00:21,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 14:00:21,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:00:21,632 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 14:00:21,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-15 14:00:21,877 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-15 14:00:21,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 14:00:21,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 1386 conjuncts, 191 conjunts are in the unsatisfiable core [2023-02-15 14:00:21,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 14:00:35,264 INFO L134 CoverageAnalysis]: Checked inductivity of 26743 backedges. 0 proven. 26743 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:00:35,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 14:01:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 26743 backedges. 0 proven. 26743 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 14:01:00,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211972560] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 14:01:00,846 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 14:01:00,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 191, 191] total 474 [2023-02-15 14:01:00,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659761653] [2023-02-15 14:01:00,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 14:01:00,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 474 states [2023-02-15 14:01:00,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 14:01:00,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 474 interpolants. [2023-02-15 14:01:00,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39994, Invalid=184208, Unknown=0, NotChecked=0, Total=224202 [2023-02-15 14:01:00,869 INFO L87 Difference]: Start difference. First operand 1331 states and 1427 transitions. Second operand has 474 states, 474 states have (on average 3.7257383966244726) internal successors, (1766), 474 states have internal predecessors, (1766), 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)