./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5317dae 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/bitvector/soft_float_4-3.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 04:03:24,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 04:03:24,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 04:03:24,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 04:03:24,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 04:03:24,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 04:03:24,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 04:03:24,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 04:03:24,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 04:03:24,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 04:03:24,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 04:03:24,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 04:03:24,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 04:03:24,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 04:03:24,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 04:03:24,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 04:03:24,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 04:03:24,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 04:03:24,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 04:03:24,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 04:03:24,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 04:03:24,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 04:03:24,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 04:03:24,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 04:03:24,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 04:03:24,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 04:03:24,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 04:03:24,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 04:03:24,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 04:03:24,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 04:03:24,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 04:03:24,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 04:03:24,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 04:03:24,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 04:03:24,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 04:03:24,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 04:03:24,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 04:03:24,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 04:03:24,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 04:03:24,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 04:03:24,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 04:03:24,850 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-16 04:03:24,898 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 04:03:24,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 04:03:24,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 04:03:24,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 04:03:24,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 04:03:24,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 04:03:24,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 04:03:24,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 04:03:24,901 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 04:03:24,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 04:03:24,902 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-16 04:03:24,903 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 04:03:24,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 04:03:24,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-16 04:03:24,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 04:03:24,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-16 04:03:24,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 04:03:24,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-16 04:03:24,904 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-16 04:03:24,904 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-16 04:03:24,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 04:03:24,905 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 04:03:24,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-16 04:03:24,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 04:03:24,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 04:03:24,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 04:03:24,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:03:24,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 04:03:24,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 04:03:24,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-16 04:03:24,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 04:03:24,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-16 04:03:24,908 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 04:03:24,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-16 04:03:24,908 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 04:03:24,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 04:03:24,909 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 04:03:24,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2023-02-16 04:03:25,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 04:03:25,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 04:03:25,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 04:03:25,195 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 04:03:25,196 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 04:03:25,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-02-16 04:03:26,382 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 04:03:26,585 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 04:03:26,586 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-02-16 04:03:26,592 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c044334/2a110fcc17df403abb944128c9735cc5/FLAG86384b702 [2023-02-16 04:03:26,606 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c044334/2a110fcc17df403abb944128c9735cc5 [2023-02-16 04:03:26,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 04:03:26,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 04:03:26,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 04:03:26,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 04:03:26,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 04:03:26,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:03:26" (1/1) ... [2023-02-16 04:03:26,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b2f87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:26, skipping insertion in model container [2023-02-16 04:03:26,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:03:26" (1/1) ... [2023-02-16 04:03:26,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 04:03:26,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 04:03:26,796 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c[729,742] [2023-02-16 04:03:26,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:03:26,848 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 04:03:26,858 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c[729,742] [2023-02-16 04:03:26,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:03:26,895 INFO L208 MainTranslator]: Completed translation [2023-02-16 04:03:26,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:26 WrapperNode [2023-02-16 04:03:26,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 04:03:26,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 04:03:26,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 04:03:26,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 04:03:26,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:26" (1/1) ... [2023-02-16 04:03:26,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:26" (1/1) ... [2023-02-16 04:03:26,936 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2023-02-16 04:03:26,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 04:03:26,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 04:03:26,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 04:03:26,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 04:03:26,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:26" (1/1) ... [2023-02-16 04:03:26,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:26" (1/1) ... [2023-02-16 04:03:26,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:26" (1/1) ... [2023-02-16 04:03:26,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:26" (1/1) ... [2023-02-16 04:03:26,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:26" (1/1) ... [2023-02-16 04:03:26,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:26" (1/1) ... [2023-02-16 04:03:26,959 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:26" (1/1) ... [2023-02-16 04:03:26,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:26" (1/1) ... [2023-02-16 04:03:26,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 04:03:26,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 04:03:26,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 04:03:26,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 04:03:26,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:26" (1/1) ... [2023-02-16 04:03:26,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:03:26,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:03:26,997 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) [2023-02-16 04:03:27,011 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 [2023-02-16 04:03:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-16 04:03:27,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-16 04:03:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-02-16 04:03:27,038 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-02-16 04:03:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 04:03:27,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 04:03:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-02-16 04:03:27,039 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-02-16 04:03:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-02-16 04:03:27,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-02-16 04:03:27,099 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 04:03:27,100 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 04:03:27,599 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 04:03:27,605 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 04:03:27,606 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-16 04:03:27,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:03:27 BoogieIcfgContainer [2023-02-16 04:03:27,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 04:03:27,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-16 04:03:27,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-16 04:03:27,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-16 04:03:27,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 04:03:26" (1/3) ... [2023-02-16 04:03:27,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2437efe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:03:27, skipping insertion in model container [2023-02-16 04:03:27,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:26" (2/3) ... [2023-02-16 04:03:27,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2437efe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:03:27, skipping insertion in model container [2023-02-16 04:03:27,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:03:27" (3/3) ... [2023-02-16 04:03:27,615 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_4-3.c.cil.c [2023-02-16 04:03:27,629 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-16 04:03:27,630 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-02-16 04:03:27,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-16 04:03:27,691 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;@38352fb4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-16 04:03:27,692 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-02-16 04:03:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 83 states have (on average 1.6746987951807228) internal successors, (139), 105 states have internal predecessors, (139), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-02-16 04:03:27,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-16 04:03:27,702 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:27,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:27,703 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-02-16 04:03:27,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:27,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1516121694, now seen corresponding path program 1 times [2023-02-16 04:03:27,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:27,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082727302] [2023-02-16 04:03:27,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:27,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:27,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:27,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082727302] [2023-02-16 04:03:27,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082727302] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:27,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:27,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:03:27,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034371494] [2023-02-16 04:03:27,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:27,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:03:27,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:28,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:03:28,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:03:28,006 INFO L87 Difference]: Start difference. First operand has 118 states, 83 states have (on average 1.6746987951807228) internal successors, (139), 105 states have internal predecessors, (139), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:28,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:28,161 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2023-02-16 04:03:28,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:03:28,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-16 04:03:28,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:28,172 INFO L225 Difference]: With dead ends: 288 [2023-02-16 04:03:28,172 INFO L226 Difference]: Without dead ends: 163 [2023-02-16 04:03:28,176 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 [2023-02-16 04:03:28,179 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 87 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:28,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 400 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:03:28,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-02-16 04:03:28,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 150. [2023-02-16 04:03:28,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 118 states have (on average 1.5677966101694916) internal successors, (185), 138 states have internal predecessors, (185), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:03:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 200 transitions. [2023-02-16 04:03:28,226 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 200 transitions. Word has length 9 [2023-02-16 04:03:28,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:28,227 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 200 transitions. [2023-02-16 04:03:28,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:28,227 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 200 transitions. [2023-02-16 04:03:28,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-16 04:03:28,229 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:28,229 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:28,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-16 04:03:28,231 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-02-16 04:03:28,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:28,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1938476926, now seen corresponding path program 1 times [2023-02-16 04:03:28,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:28,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070021103] [2023-02-16 04:03:28,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:28,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:28,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:28,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:28,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070021103] [2023-02-16 04:03:28,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070021103] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:28,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:28,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-16 04:03:28,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403128217] [2023-02-16 04:03:28,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:28,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-16 04:03:28,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:28,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-16 04:03:28,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:03:28,346 INFO L87 Difference]: Start difference. First operand 150 states and 200 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:28,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:28,467 INFO L93 Difference]: Finished difference Result 291 states and 374 transitions. [2023-02-16 04:03:28,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-16 04:03:28,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-02-16 04:03:28,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:28,471 INFO L225 Difference]: With dead ends: 291 [2023-02-16 04:03:28,472 INFO L226 Difference]: Without dead ends: 184 [2023-02-16 04:03:28,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-02-16 04:03:28,480 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 157 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:28,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 388 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:03:28,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-02-16 04:03:28,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 164. [2023-02-16 04:03:28,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 132 states have (on average 1.5454545454545454) internal successors, (204), 152 states have internal predecessors, (204), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:03:28,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 219 transitions. [2023-02-16 04:03:28,504 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 219 transitions. Word has length 14 [2023-02-16 04:03:28,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:28,504 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 219 transitions. [2023-02-16 04:03:28,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 219 transitions. [2023-02-16 04:03:28,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-16 04:03:28,506 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:28,506 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:28,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-16 04:03:28,513 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-02-16 04:03:28,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:28,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1762570523, now seen corresponding path program 1 times [2023-02-16 04:03:28,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:28,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190686919] [2023-02-16 04:03:28,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:28,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:28,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-16 04:03:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:28,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-16 04:03:28,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:28,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190686919] [2023-02-16 04:03:28,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190686919] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:28,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:28,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:03:28,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813604453] [2023-02-16 04:03:28,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:28,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:03:28,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:28,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:03:28,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:28,574 INFO L87 Difference]: Start difference. First operand 164 states and 219 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:03:28,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:28,604 INFO L93 Difference]: Finished difference Result 170 states and 226 transitions. [2023-02-16 04:03:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:03:28,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-02-16 04:03:28,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:28,607 INFO L225 Difference]: With dead ends: 170 [2023-02-16 04:03:28,607 INFO L226 Difference]: Without dead ends: 169 [2023-02-16 04:03:28,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:28,613 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 4 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:28,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 247 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:28,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-02-16 04:03:28,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 162. [2023-02-16 04:03:28,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 131 states have (on average 1.534351145038168) internal successors, (201), 150 states have internal predecessors, (201), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:03:28,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 216 transitions. [2023-02-16 04:03:28,637 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 216 transitions. Word has length 16 [2023-02-16 04:03:28,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:28,637 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 216 transitions. [2023-02-16 04:03:28,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:03:28,637 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 216 transitions. [2023-02-16 04:03:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-16 04:03:28,638 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:28,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:28,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-16 04:03:28,639 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-02-16 04:03:28,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:28,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1676253770, now seen corresponding path program 1 times [2023-02-16 04:03:28,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:28,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516503904] [2023-02-16 04:03:28,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:28,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:28,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:28,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:28,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516503904] [2023-02-16 04:03:28,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516503904] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:28,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:28,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-16 04:03:28,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139159732] [2023-02-16 04:03:28,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:28,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:03:28,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:28,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:03:28,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:03:28,756 INFO L87 Difference]: Start difference. First operand 162 states and 216 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:28,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:28,800 INFO L93 Difference]: Finished difference Result 267 states and 349 transitions. [2023-02-16 04:03:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:03:28,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-02-16 04:03:28,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:28,802 INFO L225 Difference]: With dead ends: 267 [2023-02-16 04:03:28,802 INFO L226 Difference]: Without dead ends: 110 [2023-02-16 04:03:28,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:03:28,808 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 7 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 373 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 [2023-02-16 04:03:28,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 373 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:28,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-02-16 04:03:28,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2023-02-16 04:03:28,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 79 states have (on average 1.5569620253164558) internal successors, (123), 98 states have internal predecessors, (123), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:03:28,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 138 transitions. [2023-02-16 04:03:28,823 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 138 transitions. Word has length 15 [2023-02-16 04:03:28,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:28,824 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 138 transitions. [2023-02-16 04:03:28,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:28,824 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 138 transitions. [2023-02-16 04:03:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-16 04:03:28,825 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:28,825 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:28,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-16 04:03:28,826 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-02-16 04:03:28,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:28,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1166261222, now seen corresponding path program 1 times [2023-02-16 04:03:28,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:28,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097361087] [2023-02-16 04:03:28,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:28,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:28,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-16 04:03:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:28,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:28,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097361087] [2023-02-16 04:03:28,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097361087] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:28,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:28,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-16 04:03:28,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492526090] [2023-02-16 04:03:28,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:28,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-16 04:03:28,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:28,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-16 04:03:28,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:03:28,921 INFO L87 Difference]: Start difference. First operand 110 states and 138 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:03:29,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:29,006 INFO L93 Difference]: Finished difference Result 160 states and 202 transitions. [2023-02-16 04:03:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-16 04:03:29,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-02-16 04:03:29,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:29,008 INFO L225 Difference]: With dead ends: 160 [2023-02-16 04:03:29,008 INFO L226 Difference]: Without dead ends: 156 [2023-02-16 04:03:29,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-16 04:03:29,009 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 101 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:29,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 438 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:03:29,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-02-16 04:03:29,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 142. [2023-02-16 04:03:29,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 111 states have (on average 1.5585585585585586) internal successors, (173), 129 states have internal predecessors, (173), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:03:29,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 188 transitions. [2023-02-16 04:03:29,016 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 188 transitions. Word has length 17 [2023-02-16 04:03:29,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:29,016 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 188 transitions. [2023-02-16 04:03:29,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:03:29,017 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 188 transitions. [2023-02-16 04:03:29,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-16 04:03:29,017 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:29,017 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:29,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-16 04:03:29,018 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-02-16 04:03:29,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:29,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1194888578, now seen corresponding path program 1 times [2023-02-16 04:03:29,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:29,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108701874] [2023-02-16 04:03:29,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:29,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-16 04:03:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:29,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:29,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:29,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108701874] [2023-02-16 04:03:29,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108701874] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:29,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:29,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-16 04:03:29,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212540897] [2023-02-16 04:03:29,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:29,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-16 04:03:29,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:29,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-16 04:03:29,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:03:29,063 INFO L87 Difference]: Start difference. First operand 142 states and 188 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:03:29,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:29,133 INFO L93 Difference]: Finished difference Result 166 states and 211 transitions. [2023-02-16 04:03:29,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-16 04:03:29,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-02-16 04:03:29,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:29,135 INFO L225 Difference]: With dead ends: 166 [2023-02-16 04:03:29,135 INFO L226 Difference]: Without dead ends: 163 [2023-02-16 04:03:29,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-16 04:03:29,136 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 101 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:29,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 438 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 04:03:29,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-02-16 04:03:29,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 148. [2023-02-16 04:03:29,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 118 states have (on average 1.5169491525423728) internal successors, (179), 135 states have internal predecessors, (179), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:03:29,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 194 transitions. [2023-02-16 04:03:29,142 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 194 transitions. Word has length 17 [2023-02-16 04:03:29,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:29,143 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 194 transitions. [2023-02-16 04:03:29,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:03:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 194 transitions. [2023-02-16 04:03:29,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-02-16 04:03:29,144 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:29,144 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:29,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-16 04:03:29,145 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-02-16 04:03:29,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:29,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1254863781, now seen corresponding path program 1 times [2023-02-16 04:03:29,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:29,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402186886] [2023-02-16 04:03:29,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:29,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:29,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-16 04:03:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:29,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-16 04:03:29,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:03:29,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402186886] [2023-02-16 04:03:29,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402186886] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:29,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:29,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:03:29,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896438436] [2023-02-16 04:03:29,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:29,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:03:29,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:03:29,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:03:29,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:03:29,189 INFO L87 Difference]: Start difference. First operand 148 states and 194 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:03:29,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:29,225 INFO L93 Difference]: Finished difference Result 174 states and 225 transitions. [2023-02-16 04:03:29,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:03:29,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-02-16 04:03:29,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:29,228 INFO L225 Difference]: With dead ends: 174 [2023-02-16 04:03:29,228 INFO L226 Difference]: Without dead ends: 172 [2023-02-16 04:03:29,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:03:29,230 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 25 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:29,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 251 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:29,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-02-16 04:03:29,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 148. [2023-02-16 04:03:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 118 states have (on average 1.5084745762711864) internal successors, (178), 135 states have internal predecessors, (178), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:03:29,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 193 transitions. [2023-02-16 04:03:29,239 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 193 transitions. Word has length 21 [2023-02-16 04:03:29,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:29,239 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 193 transitions. [2023-02-16 04:03:29,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:03:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 193 transitions. [2023-02-16 04:03:29,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-02-16 04:03:29,243 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:29,244 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:29,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-16 04:03:29,244 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-02-16 04:03:29,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:29,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1393424785, now seen corresponding path program 1 times [2023-02-16 04:03:29,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:03:29,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399212246] [2023-02-16 04:03:29,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:29,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:03:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:03:29,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:03:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:03:29,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:03:29,289 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-16 04:03:29,290 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2023-02-16 04:03:29,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2023-02-16 04:03:29,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2023-02-16 04:03:29,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2023-02-16 04:03:29,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2023-02-16 04:03:29,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2023-02-16 04:03:29,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2023-02-16 04:03:29,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2023-02-16 04:03:29,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2023-02-16 04:03:29,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2023-02-16 04:03:29,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2023-02-16 04:03:29,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2023-02-16 04:03:29,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2023-02-16 04:03:29,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2023-02-16 04:03:29,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2023-02-16 04:03:29,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2023-02-16 04:03:29,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2023-02-16 04:03:29,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2023-02-16 04:03:29,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2023-02-16 04:03:29,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2023-02-16 04:03:29,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2023-02-16 04:03:29,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2023-02-16 04:03:29,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-16 04:03:29,299 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:29,302 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-16 04:03:29,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 04:03:29 BoogieIcfgContainer [2023-02-16 04:03:29,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-16 04:03:29,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 04:03:29,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 04:03:29,329 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 04:03:29,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:03:27" (3/4) ... [2023-02-16 04:03:29,332 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-16 04:03:29,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 04:03:29,333 INFO L158 Benchmark]: Toolchain (without parser) took 2723.11ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 78.4MB in the beginning and 64.9MB in the end (delta: 13.5MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2023-02-16 04:03:29,333 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:03:29,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.72ms. Allocated memory is still 125.8MB. Free memory was 78.0MB in the beginning and 64.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-16 04:03:29,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.86ms. Allocated memory is still 125.8MB. Free memory was 64.7MB in the beginning and 62.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:03:29,334 INFO L158 Benchmark]: Boogie Preprocessor took 25.43ms. Allocated memory is still 125.8MB. Free memory was 62.8MB in the beginning and 61.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:03:29,334 INFO L158 Benchmark]: RCFGBuilder took 644.56ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 61.3MB in the beginning and 135.0MB in the end (delta: -73.7MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-02-16 04:03:29,335 INFO L158 Benchmark]: TraceAbstraction took 1718.28ms. Allocated memory is still 176.2MB. Free memory was 134.2MB in the beginning and 64.9MB in the end (delta: 69.3MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2023-02-16 04:03:29,335 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 176.2MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:03:29,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.72ms. Allocated memory is still 125.8MB. Free memory was 78.0MB in the beginning and 64.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.86ms. Allocated memory is still 125.8MB. Free memory was 64.7MB in the beginning and 62.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.43ms. Allocated memory is still 125.8MB. Free memory was 62.8MB in the beginning and 61.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 644.56ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 61.3MB in the beginning and 135.0MB in the end (delta: -73.7MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1718.28ms. Allocated memory is still 176.2MB. Free memory was 134.2MB in the beginning and 64.9MB in the end (delta: 69.3MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 176.2MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseComplement at line 76. Possible FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add1 ; [L233] unsigned int r_add2 ; [L234] unsigned int zero ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int __retres14 ; VAL [ea=0, eb=0] [L241] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L80] return (__retres4); VAL [\old(e)=0, \old(m)=0, \result=0, __retres4=0, e=0, m=0] [L241] RET, EXPR base2flt(0, 0) VAL [base2flt(0, 0)=0, ea=0, eb=0] [L241] zero = base2flt(0, 0) [L242] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L57] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 112]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 112]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 115]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 115]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 133]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 133]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 118 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 490 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 482 mSDsluCounter, 2535 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1659 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 364 IncrementalHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 876 mSDtfsCounter, 364 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=2, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 93 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 238 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-02-16 04:03:29,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/bitvector/soft_float_4-3.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 04:03:31,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 04:03:31,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 04:03:31,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 04:03:31,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 04:03:31,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 04:03:31,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 04:03:31,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 04:03:31,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 04:03:31,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 04:03:31,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 04:03:31,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 04:03:31,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 04:03:31,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 04:03:31,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 04:03:31,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 04:03:31,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 04:03:31,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 04:03:31,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 04:03:31,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 04:03:31,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 04:03:31,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 04:03:31,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 04:03:31,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 04:03:31,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 04:03:31,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 04:03:31,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 04:03:31,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 04:03:31,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 04:03:31,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 04:03:31,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 04:03:31,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 04:03:31,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 04:03:31,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 04:03:31,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 04:03:31,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 04:03:31,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 04:03:31,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 04:03:31,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 04:03:31,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 04:03:31,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 04:03:31,522 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-02-16 04:03:31,553 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 04:03:31,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 04:03:31,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 04:03:31,555 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 04:03:31,556 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 04:03:31,556 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 04:03:31,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 04:03:31,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 04:03:31,557 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 04:03:31,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 04:03:31,558 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-16 04:03:31,558 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 04:03:31,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-16 04:03:31,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 04:03:31,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-16 04:03:31,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 04:03:31,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-16 04:03:31,559 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-16 04:03:31,559 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-16 04:03:31,559 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-16 04:03:31,560 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-16 04:03:31,560 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-16 04:03:31,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 04:03:31,560 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 04:03:31,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-16 04:03:31,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 04:03:31,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 04:03:31,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 04:03:31,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:03:31,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 04:03:31,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 04:03:31,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-16 04:03:31,562 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-16 04:03:31,562 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-16 04:03:31,562 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 04:03:31,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-16 04:03:31,563 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 04:03:31,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 04:03:31,563 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-16 04:03:31,563 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 04:03:31,563 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2023-02-16 04:03:31,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 04:03:31,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 04:03:31,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 04:03:31,902 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 04:03:31,903 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 04:03:31,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-02-16 04:03:33,187 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 04:03:33,419 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 04:03:33,420 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-02-16 04:03:33,426 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d61f056/78c74be4e54a4880b04cdbe5e065fef3/FLAG66bd38219 [2023-02-16 04:03:33,439 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d61f056/78c74be4e54a4880b04cdbe5e065fef3 [2023-02-16 04:03:33,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 04:03:33,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 04:03:33,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 04:03:33,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 04:03:33,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 04:03:33,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:03:33" (1/1) ... [2023-02-16 04:03:33,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9872d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:33, skipping insertion in model container [2023-02-16 04:03:33,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:03:33" (1/1) ... [2023-02-16 04:03:33,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 04:03:33,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 04:03:33,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c[729,742] [2023-02-16 04:03:33,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:03:33,673 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 04:03:33,684 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c[729,742] [2023-02-16 04:03:33,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:03:33,778 INFO L208 MainTranslator]: Completed translation [2023-02-16 04:03:33,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:33 WrapperNode [2023-02-16 04:03:33,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 04:03:33,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 04:03:33,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 04:03:33,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 04:03:33,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:33" (1/1) ... [2023-02-16 04:03:33,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:33" (1/1) ... [2023-02-16 04:03:33,826 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-02-16 04:03:33,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 04:03:33,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 04:03:33,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 04:03:33,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 04:03:33,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:33" (1/1) ... [2023-02-16 04:03:33,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:33" (1/1) ... [2023-02-16 04:03:33,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:33" (1/1) ... [2023-02-16 04:03:33,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:33" (1/1) ... [2023-02-16 04:03:33,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:33" (1/1) ... [2023-02-16 04:03:33,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:33" (1/1) ... [2023-02-16 04:03:33,875 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:33" (1/1) ... [2023-02-16 04:03:33,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:33" (1/1) ... [2023-02-16 04:03:33,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 04:03:33,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 04:03:33,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 04:03:33,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 04:03:33,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:33" (1/1) ... [2023-02-16 04:03:33,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 04:03:33,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:03:33,914 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) [2023-02-16 04:03:33,940 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 [2023-02-16 04:03:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-16 04:03:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-02-16 04:03:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-02-16 04:03:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-02-16 04:03:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 04:03:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 04:03:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-02-16 04:03:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-02-16 04:03:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-02-16 04:03:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-02-16 04:03:34,029 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 04:03:34,030 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 04:03:34,329 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 04:03:34,335 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 04:03:34,335 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-16 04:03:34,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:03:34 BoogieIcfgContainer [2023-02-16 04:03:34,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 04:03:34,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-16 04:03:34,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-16 04:03:34,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-16 04:03:34,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 04:03:33" (1/3) ... [2023-02-16 04:03:34,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b243dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:03:34, skipping insertion in model container [2023-02-16 04:03:34,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:03:33" (2/3) ... [2023-02-16 04:03:34,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b243dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 04:03:34, skipping insertion in model container [2023-02-16 04:03:34,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:03:34" (3/3) ... [2023-02-16 04:03:34,346 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_4-3.c.cil.c [2023-02-16 04:03:34,362 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-16 04:03:34,363 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-02-16 04:03:34,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-16 04:03:34,439 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;@815e9e1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-16 04:03:34,439 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-02-16 04:03:34,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 61 states have (on average 1.6557377049180328) internal successors, (101), 83 states have internal predecessors, (101), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-02-16 04:03:34,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-16 04:03:34,451 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:34,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:34,453 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-02-16 04:03:34,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:34,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1849332874, now seen corresponding path program 1 times [2023-02-16 04:03:34,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-16 04:03:34,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366795639] [2023-02-16 04:03:34,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:34,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 04:03:34,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-16 04:03:34,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-16 04:03:34,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-02-16 04:03:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:34,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-16 04:03:34,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:03:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:34,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:03:34,582 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-16 04:03:34,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366795639] [2023-02-16 04:03:34,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366795639] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:34,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:34,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-02-16 04:03:34,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828941907] [2023-02-16 04:03:34,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:34,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-16 04:03:34,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-16 04:03:34,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-16 04:03:34,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-16 04:03:34,636 INFO L87 Difference]: Start difference. First operand has 96 states, 61 states have (on average 1.6557377049180328) internal successors, (101), 83 states have internal predecessors, (101), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:34,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:34,691 INFO L93 Difference]: Finished difference Result 180 states and 243 transitions. [2023-02-16 04:03:34,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-16 04:03:34,694 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-16 04:03:34,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:34,702 INFO L225 Difference]: With dead ends: 180 [2023-02-16 04:03:34,703 INFO L226 Difference]: Without dead ends: 77 [2023-02-16 04:03:34,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-16 04:03:34,713 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:34,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:34,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-02-16 04:03:34,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-02-16 04:03:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 66 states have internal predecessors, (77), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:03:34,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 92 transitions. [2023-02-16 04:03:34,762 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 92 transitions. Word has length 9 [2023-02-16 04:03:34,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:34,763 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 92 transitions. [2023-02-16 04:03:34,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:34,764 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 92 transitions. [2023-02-16 04:03:34,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-16 04:03:34,766 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:34,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:34,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-02-16 04:03:34,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 04:03:34,978 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-02-16 04:03:34,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:34,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1850274140, now seen corresponding path program 1 times [2023-02-16 04:03:34,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-16 04:03:34,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [960732124] [2023-02-16 04:03:34,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:34,980 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 04:03:34,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-16 04:03:34,982 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-16 04:03:34,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-02-16 04:03:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:35,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:03:35,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:03:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:35,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:03:35,081 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-16 04:03:35,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [960732124] [2023-02-16 04:03:35,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [960732124] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:35,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:35,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-16 04:03:35,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92043145] [2023-02-16 04:03:35,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:35,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:03:35,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-16 04:03:35,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:03:35,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:03:35,084 INFO L87 Difference]: Start difference. First operand 77 states and 92 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:35,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:35,150 INFO L93 Difference]: Finished difference Result 159 states and 190 transitions. [2023-02-16 04:03:35,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-16 04:03:35,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-16 04:03:35,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:35,157 INFO L225 Difference]: With dead ends: 159 [2023-02-16 04:03:35,158 INFO L226 Difference]: Without dead ends: 85 [2023-02-16 04:03:35,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:03:35,161 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 9 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:35,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 254 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:35,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-02-16 04:03:35,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2023-02-16 04:03:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 70 states have internal predecessors, (81), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:03:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2023-02-16 04:03:35,176 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 96 transitions. Word has length 9 [2023-02-16 04:03:35,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:35,177 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 96 transitions. [2023-02-16 04:03:35,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:03:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2023-02-16 04:03:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-16 04:03:35,178 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:35,178 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:35,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-02-16 04:03:35,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 04:03:35,386 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-02-16 04:03:35,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:35,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1664980876, now seen corresponding path program 1 times [2023-02-16 04:03:35,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-16 04:03:35,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553175842] [2023-02-16 04:03:35,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:35,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 04:03:35,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-16 04:03:35,389 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-16 04:03:35,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-02-16 04:03:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:35,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:03:35,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:03:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-16 04:03:35,452 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:03:35,452 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-16 04:03:35,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553175842] [2023-02-16 04:03:35,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [553175842] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:35,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:35,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:03:35,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801948187] [2023-02-16 04:03:35,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:35,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:03:35,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-16 04:03:35,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:03:35,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:35,458 INFO L87 Difference]: Start difference. First operand 82 states and 96 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:03:35,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:35,502 INFO L93 Difference]: Finished difference Result 85 states and 100 transitions. [2023-02-16 04:03:35,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:03:35,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-02-16 04:03:35,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:35,511 INFO L225 Difference]: With dead ends: 85 [2023-02-16 04:03:35,511 INFO L226 Difference]: Without dead ends: 84 [2023-02-16 04:03:35,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:35,512 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 3 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:35,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 167 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:35,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-02-16 04:03:35,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2023-02-16 04:03:35,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 69 states have internal predecessors, (80), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:03:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 95 transitions. [2023-02-16 04:03:35,523 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 95 transitions. Word has length 16 [2023-02-16 04:03:35,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:35,524 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 95 transitions. [2023-02-16 04:03:35,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:03:35,524 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2023-02-16 04:03:35,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-16 04:03:35,525 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:35,526 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:35,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-02-16 04:03:35,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 04:03:35,735 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-02-16 04:03:35,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:35,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1431337828, now seen corresponding path program 1 times [2023-02-16 04:03:35,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-16 04:03:35,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833793566] [2023-02-16 04:03:35,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:35,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 04:03:35,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-16 04:03:35,738 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-16 04:03:35,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-02-16 04:03:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:35,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:03:35,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:03:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-16 04:03:35,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:03:35,824 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-16 04:03:35,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [833793566] [2023-02-16 04:03:35,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [833793566] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:35,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:35,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:03:35,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667798410] [2023-02-16 04:03:35,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:35,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 04:03:35,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-16 04:03:35,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:03:35,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:35,826 INFO L87 Difference]: Start difference. First operand 81 states and 95 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:03:35,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:35,855 INFO L93 Difference]: Finished difference Result 84 states and 99 transitions. [2023-02-16 04:03:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:03:35,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-02-16 04:03:35,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:35,857 INFO L225 Difference]: With dead ends: 84 [2023-02-16 04:03:35,857 INFO L226 Difference]: Without dead ends: 83 [2023-02-16 04:03:35,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:03:35,858 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 2 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:35,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 166 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 04:03:35,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-02-16 04:03:35,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2023-02-16 04:03:35,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 68 states have internal predecessors, (79), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:03:35,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2023-02-16 04:03:35,866 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 18 [2023-02-16 04:03:35,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:35,866 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2023-02-16 04:03:35,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:03:35,866 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2023-02-16 04:03:35,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-16 04:03:35,867 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:35,867 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:35,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-02-16 04:03:36,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 04:03:36,076 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-02-16 04:03:36,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:36,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1431270302, now seen corresponding path program 1 times [2023-02-16 04:03:36,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-16 04:03:36,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410557435] [2023-02-16 04:03:36,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:36,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 04:03:36,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-16 04:03:36,078 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-16 04:03:36,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-02-16 04:03:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:03:36,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:03:36,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:03:36,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:03:36,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 04:03:36,225 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-16 04:03:36,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410557435] [2023-02-16 04:03:36,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410557435] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:03:36,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:03:36,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 04:03:36,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217678531] [2023-02-16 04:03:36,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:03:36,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 04:03:36,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-16 04:03:36,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 04:03:36,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 04:03:36,227 INFO L87 Difference]: Start difference. First operand 80 states and 94 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:03:36,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:03:36,441 INFO L93 Difference]: Finished difference Result 102 states and 120 transitions. [2023-02-16 04:03:36,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 04:03:36,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-02-16 04:03:36,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 04:03:36,443 INFO L225 Difference]: With dead ends: 102 [2023-02-16 04:03:36,443 INFO L226 Difference]: Without dead ends: 99 [2023-02-16 04:03:36,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-16 04:03:36,444 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 69 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 04:03:36,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 190 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 04:03:36,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-02-16 04:03:36,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 87. [2023-02-16 04:03:36,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 64 states have (on average 1.359375) internal successors, (87), 75 states have internal predecessors, (87), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-16 04:03:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 102 transitions. [2023-02-16 04:03:36,456 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 102 transitions. Word has length 18 [2023-02-16 04:03:36,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 04:03:36,456 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 102 transitions. [2023-02-16 04:03:36,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-16 04:03:36,457 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2023-02-16 04:03:36,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-02-16 04:03:36,457 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 04:03:36,458 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:03:36,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-02-16 04:03:36,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 04:03:36,665 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-02-16 04:03:36,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:03:36,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1461850151, now seen corresponding path program 1 times [2023-02-16 04:03:36,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-16 04:03:36,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [469156811] [2023-02-16 04:03:36,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:03:36,666 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 04:03:36,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-16 04:03:36,667 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-16 04:03:36,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-02-16 04:03:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:03:36,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:03:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:03:36,729 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-02-16 04:03:36,729 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-16 04:03:36,730 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2023-02-16 04:03:36,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2023-02-16 04:03:36,732 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2023-02-16 04:03:36,732 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2023-02-16 04:03:36,732 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2023-02-16 04:03:36,732 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2023-02-16 04:03:36,732 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2023-02-16 04:03:36,732 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2023-02-16 04:03:36,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2023-02-16 04:03:36,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2023-02-16 04:03:36,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2023-02-16 04:03:36,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2023-02-16 04:03:36,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2023-02-16 04:03:36,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2023-02-16 04:03:36,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2023-02-16 04:03:36,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2023-02-16 04:03:36,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2023-02-16 04:03:36,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2023-02-16 04:03:36,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2023-02-16 04:03:36,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2023-02-16 04:03:36,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2023-02-16 04:03:36,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location addfltErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2023-02-16 04:03:36,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-02-16 04:03:36,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 04:03:36,939 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-02-16 04:03:36,943 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-16 04:03:36,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 04:03:36 BoogieIcfgContainer [2023-02-16 04:03:36,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-16 04:03:36,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 04:03:36,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 04:03:36,973 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 04:03:36,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:03:34" (3/4) ... [2023-02-16 04:03:36,976 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-16 04:03:37,027 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-16 04:03:37,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 04:03:37,028 INFO L158 Benchmark]: Toolchain (without parser) took 3585.31ms. Allocated memory was 58.7MB in the beginning and 88.1MB in the end (delta: 29.4MB). Free memory was 34.9MB in the beginning and 64.7MB in the end (delta: -29.7MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-02-16 04:03:37,029 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 24.4MB in the beginning and 24.3MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:03:37,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.91ms. Allocated memory is still 58.7MB. Free memory was 34.6MB in the beginning and 36.6MB in the end (delta: -2.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-16 04:03:37,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.03ms. Allocated memory is still 58.7MB. Free memory was 36.3MB in the beginning and 34.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:03:37,030 INFO L158 Benchmark]: Boogie Preprocessor took 56.28ms. Allocated memory is still 58.7MB. Free memory was 34.9MB in the beginning and 33.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:03:37,030 INFO L158 Benchmark]: RCFGBuilder took 452.85ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.3MB in the beginning and 44.2MB in the end (delta: -10.9MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-02-16 04:03:37,031 INFO L158 Benchmark]: TraceAbstraction took 2632.05ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 29.4MB in the end (delta: 13.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-02-16 04:03:37,031 INFO L158 Benchmark]: Witness Printer took 55.54ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 29.0MB in the beginning and 64.7MB in the end (delta: -35.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:03:37,033 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 24.4MB in the beginning and 24.3MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.91ms. Allocated memory is still 58.7MB. Free memory was 34.6MB in the beginning and 36.6MB in the end (delta: -2.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.03ms. Allocated memory is still 58.7MB. Free memory was 36.3MB in the beginning and 34.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.28ms. Allocated memory is still 58.7MB. Free memory was 34.9MB in the beginning and 33.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.85ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.3MB in the beginning and 44.2MB in the end (delta: -10.9MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2632.05ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 29.4MB in the end (delta: 13.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 55.54ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 29.0MB in the beginning and 64.7MB in the end (delta: -35.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 77]: integer overflow possible integer overflow possible We found a FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add1 ; [L233] unsigned int r_add2 ; [L234] unsigned int zero ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int __retres14 ; [L241] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L80] return (__retres4); VAL [\old(e)=0, \old(m)=0, \result=0, __retres4=0, e=0, m=0] [L241] RET, EXPR base2flt(0, 0) VAL [base2flt(0, 0)=0] [L241] zero = base2flt(0, 0) [L242] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L57] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 112]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 112]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 115]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 115]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 133]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 133]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 882 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 431 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 451 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 21 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 65 ConstructedInterpolants, 8 QuantifiedInterpolants, 110 SizeOfPredicates, 3 NumberOfNonLiveVariables, 170 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-02-16 04:03:37,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)