./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a31fd051 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1972ee33272415a52c6f0d8a1f799e9d488ad771872c0cf36a214b07ea597fd --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 11:12:52,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 11:12:52,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 11:12:52,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 11:12:52,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 11:12:52,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 11:12:52,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 11:12:52,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 11:12:52,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 11:12:52,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 11:12:52,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 11:12:52,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 11:12:52,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 11:12:52,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 11:12:52,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 11:12:52,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 11:12:52,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 11:12:52,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 11:12:52,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 11:12:52,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 11:12:52,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 11:12:52,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 11:12:52,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 11:12:52,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 11:12:52,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 11:12:52,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 11:12:52,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 11:12:52,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 11:12:52,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 11:12:52,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 11:12:52,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 11:12:52,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 11:12:52,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 11:12:52,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 11:12:52,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 11:12:52,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 11:12:52,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 11:12:52,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 11:12:52,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 11:12:52,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 11:12:52,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 11:12:52,869 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 11:12:52,907 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 11:12:52,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 11:12:52,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 11:12:52,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 11:12:52,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 11:12:52,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 11:12:52,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 11:12:52,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 11:12:52,910 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 11:12:52,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 11:12:52,911 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 11:12:52,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 11:12:52,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 11:12:52,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 11:12:52,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 11:12:52,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 11:12:52,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 11:12:52,912 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 11:12:52,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 11:12:52,912 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 11:12:52,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 11:12:52,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 11:12:52,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 11:12:52,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 11:12:52,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 11:12:52,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 11:12:52,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 11:12:52,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 11:12:52,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 11:12:52,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 11:12:52,915 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 11:12:52,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 11:12:52,915 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 11:12:52,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 11:12:52,915 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 11:12:52,916 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1972ee33272415a52c6f0d8a1f799e9d488ad771872c0cf36a214b07ea597fd [2023-02-15 11:12:53,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 11:12:53,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 11:12:53,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 11:12:53,195 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 11:12:53,195 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 11:12:53,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c [2023-02-15 11:12:54,303 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 11:12:54,451 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 11:12:54,451 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/mono-crafted_8.c [2023-02-15 11:12:54,456 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5246ea540/bd87a39ee0164bdc99e4f57c8b704273/FLAG10b4fb3ca [2023-02-15 11:12:54,467 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5246ea540/bd87a39ee0164bdc99e4f57c8b704273 [2023-02-15 11:12:54,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 11:12:54,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 11:12:54,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 11:12:54,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 11:12:54,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 11:12:54,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:12:54" (1/1) ... [2023-02-15 11:12:54,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eda4998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:12:54, skipping insertion in model container [2023-02-15 11:12:54,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:12:54" (1/1) ... [2023-02-15 11:12:54,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 11:12:54,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 11:12:54,598 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/loops-crafted-1/mono-crafted_8.c[318,331] [2023-02-15 11:12:54,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 11:12:54,618 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 11:12:54,627 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/loops-crafted-1/mono-crafted_8.c[318,331] [2023-02-15 11:12:54,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 11:12:54,639 INFO L208 MainTranslator]: Completed translation [2023-02-15 11:12:54,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:12:54 WrapperNode [2023-02-15 11:12:54,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 11:12:54,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 11:12:54,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 11:12:54,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 11:12:54,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:12:54" (1/1) ... [2023-02-15 11:12:54,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:12:54" (1/1) ... [2023-02-15 11:12:54,665 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2023-02-15 11:12:54,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 11:12:54,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 11:12:54,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 11:12:54,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 11:12:54,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:12:54" (1/1) ... [2023-02-15 11:12:54,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:12:54" (1/1) ... [2023-02-15 11:12:54,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:12:54" (1/1) ... [2023-02-15 11:12:54,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:12:54" (1/1) ... [2023-02-15 11:12:54,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:12:54" (1/1) ... [2023-02-15 11:12:54,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:12:54" (1/1) ... [2023-02-15 11:12:54,681 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:12:54" (1/1) ... [2023-02-15 11:12:54,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:12:54" (1/1) ... [2023-02-15 11:12:54,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 11:12:54,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 11:12:54,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 11:12:54,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 11:12:54,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:12:54" (1/1) ... [2023-02-15 11:12:54,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 11:12:54,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 11:12:54,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 11:12:54,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-15 11:12:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 11:12:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 11:12:54,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 11:12:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 11:12:54,795 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 11:12:54,797 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 11:12:54,870 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 11:12:54,875 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 11:12:54,875 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 11:12:54,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:12:54 BoogieIcfgContainer [2023-02-15 11:12:54,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 11:12:54,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 11:12:54,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 11:12:54,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 11:12:54,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 11:12:54" (1/3) ... [2023-02-15 11:12:54,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4a9326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:12:54, skipping insertion in model container [2023-02-15 11:12:54,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:12:54" (2/3) ... [2023-02-15 11:12:54,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4a9326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:12:54, skipping insertion in model container [2023-02-15 11:12:54,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:12:54" (3/3) ... [2023-02-15 11:12:54,885 INFO L112 eAbstractionObserver]: Analyzing ICFG mono-crafted_8.c [2023-02-15 11:12:54,900 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 11:12:54,900 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 11:12:54,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 11:12:54,950 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;@7642c46e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 11:12:54,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 11:12:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-15 11:12:54,960 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 11:12:54,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-15 11:12:54,961 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 11:12:54,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 11:12:54,966 INFO L85 PathProgramCache]: Analyzing trace with hash 889968487, now seen corresponding path program 1 times [2023-02-15 11:12:54,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 11:12:54,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853354599] [2023-02-15 11:12:54,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 11:12:54,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 11:12:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 11:12:55,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:12:55,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 11:12:55,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853354599] [2023-02-15 11:12:55,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853354599] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 11:12:55,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 11:12:55,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 11:12:55,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108820783] [2023-02-15 11:12:55,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 11:12:55,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-15 11:12:55,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 11:12:55,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-15 11:12:55,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 11:12:55,179 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:55,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 11:12:55,191 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2023-02-15 11:12:55,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-15 11:12:55,192 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-15 11:12:55,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 11:12:55,197 INFO L225 Difference]: With dead ends: 21 [2023-02-15 11:12:55,197 INFO L226 Difference]: Without dead ends: 9 [2023-02-15 11:12:55,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 11:12:55,203 INFO L413 NwaCegarLoop]: 14 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, 14 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 [2023-02-15 11:12:55,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 11:12:55,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-02-15 11:12:55,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-02-15 11:12:55,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2023-02-15 11:12:55,232 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2023-02-15 11:12:55,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 11:12:55,233 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-02-15 11:12:55,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2023-02-15 11:12:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-15 11:12:55,234 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 11:12:55,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-15 11:12:55,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 11:12:55,235 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 11:12:55,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 11:12:55,236 INFO L85 PathProgramCache]: Analyzing trace with hash 889640786, now seen corresponding path program 1 times [2023-02-15 11:12:55,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 11:12:55,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275339488] [2023-02-15 11:12:55,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 11:12:55,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 11:12:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 11:12:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:12:55,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 11:12:55,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275339488] [2023-02-15 11:12:55,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275339488] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 11:12:55,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 11:12:55,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 11:12:55,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845857899] [2023-02-15 11:12:55,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 11:12:55,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 11:12:55,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 11:12:55,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 11:12:55,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 11:12:55,400 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:55,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 11:12:55,419 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2023-02-15 11:12:55,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 11:12:55,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-15 11:12:55,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 11:12:55,420 INFO L225 Difference]: With dead ends: 19 [2023-02-15 11:12:55,420 INFO L226 Difference]: Without dead ends: 12 [2023-02-15 11:12:55,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 11:12:55,422 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 11:12:55,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 11:12:55,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-02-15 11:12:55,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-02-15 11:12:55,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:55,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2023-02-15 11:12:55,426 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 6 [2023-02-15 11:12:55,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 11:12:55,426 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2023-02-15 11:12:55,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:55,426 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2023-02-15 11:12:55,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-15 11:12:55,427 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 11:12:55,427 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 11:12:55,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 11:12:55,428 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 11:12:55,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 11:12:55,428 INFO L85 PathProgramCache]: Analyzing trace with hash 641725625, now seen corresponding path program 1 times [2023-02-15 11:12:55,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 11:12:55,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092751127] [2023-02-15 11:12:55,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 11:12:55,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 11:12:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 11:12:55,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:12:55,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 11:12:55,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092751127] [2023-02-15 11:12:55,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092751127] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 11:12:55,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966240761] [2023-02-15 11:12:55,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 11:12:55,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 11:12:55,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 11:12:55,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 11:12:55,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 11:12:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 11:12:55,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-15 11:12:55,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 11:12:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:12:55,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 11:12:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:12:55,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966240761] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 11:12:55,894 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 11:12:55,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2023-02-15 11:12:55,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931247183] [2023-02-15 11:12:55,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 11:12:55,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-15 11:12:55,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 11:12:55,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-15 11:12:55,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-02-15 11:12:55,904 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:55,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 11:12:55,975 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2023-02-15 11:12:55,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 11:12:55,976 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-15 11:12:55,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 11:12:55,978 INFO L225 Difference]: With dead ends: 26 [2023-02-15 11:12:55,984 INFO L226 Difference]: Without dead ends: 19 [2023-02-15 11:12:55,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2023-02-15 11:12:55,988 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 11 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 11:12:55,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 14 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 11:12:55,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-02-15 11:12:55,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-02-15 11:12:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2023-02-15 11:12:55,997 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9 [2023-02-15 11:12:55,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 11:12:55,997 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-02-15 11:12:55,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:55,998 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2023-02-15 11:12:55,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-15 11:12:55,998 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 11:12:55,999 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1] [2023-02-15 11:12:56,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-15 11:12:56,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 11:12:56,202 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 11:12:56,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 11:12:56,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1171899538, now seen corresponding path program 2 times [2023-02-15 11:12:56,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 11:12:56,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858558897] [2023-02-15 11:12:56,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 11:12:56,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 11:12:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 11:12:56,547 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:12:56,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 11:12:56,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858558897] [2023-02-15 11:12:56,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858558897] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 11:12:56,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934964025] [2023-02-15 11:12:56,548 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 11:12:56,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 11:12:56,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 11:12:56,551 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 11:12:56,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-15 11:12:56,595 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 11:12:56,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 11:12:56,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjunts are in the unsatisfiable core [2023-02-15 11:12:56,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 11:12:56,749 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:12:56,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 11:12:56,893 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:12:56,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934964025] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 11:12:56,894 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 11:12:56,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2023-02-15 11:12:56,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560052451] [2023-02-15 11:12:56,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 11:12:56,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-02-15 11:12:56,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 11:12:56,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-02-15 11:12:56,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2023-02-15 11:12:56,896 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:57,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 11:12:57,443 INFO L93 Difference]: Finished difference Result 46 states and 61 transitions. [2023-02-15 11:12:57,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-15 11:12:57,444 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-02-15 11:12:57,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 11:12:57,445 INFO L225 Difference]: With dead ends: 46 [2023-02-15 11:12:57,445 INFO L226 Difference]: Without dead ends: 37 [2023-02-15 11:12:57,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=162, Invalid=258, Unknown=0, NotChecked=0, Total=420 [2023-02-15 11:12:57,446 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 29 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 11:12:57,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 30 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 11:12:57,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-02-15 11:12:57,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-02-15 11:12:57,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 36 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:57,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2023-02-15 11:12:57,454 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 18 [2023-02-15 11:12:57,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 11:12:57,454 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2023-02-15 11:12:57,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:57,454 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-02-15 11:12:57,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-15 11:12:57,455 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 11:12:57,455 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1] [2023-02-15 11:12:57,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-15 11:12:57,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-02-15 11:12:57,661 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 11:12:57,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 11:12:57,662 INFO L85 PathProgramCache]: Analyzing trace with hash -51731342, now seen corresponding path program 3 times [2023-02-15 11:12:57,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 11:12:57,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625386045] [2023-02-15 11:12:57,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 11:12:57,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 11:12:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 11:12:58,100 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:12:58,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 11:12:58,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625386045] [2023-02-15 11:12:58,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625386045] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 11:12:58,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920731797] [2023-02-15 11:12:58,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 11:12:58,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 11:12:58,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 11:12:58,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 11:12:58,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-15 11:12:58,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-02-15 11:12:58,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 11:12:58,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-15 11:12:58,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 11:12:58,254 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-02-15 11:12:58,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 11:12:58,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920731797] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 11:12:58,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-15 11:12:58,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2023-02-15 11:12:58,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952797927] [2023-02-15 11:12:58,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 11:12:58,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 11:12:58,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 11:12:58,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 11:12:58,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-02-15 11:12:58,257 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:58,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 11:12:58,304 INFO L93 Difference]: Finished difference Result 63 states and 72 transitions. [2023-02-15 11:12:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 11:12:58,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2023-02-15 11:12:58,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 11:12:58,308 INFO L225 Difference]: With dead ends: 63 [2023-02-15 11:12:58,308 INFO L226 Difference]: Without dead ends: 59 [2023-02-15 11:12:58,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-02-15 11:12:58,310 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 10 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 11:12:58,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 12 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 11:12:58,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-02-15 11:12:58,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 37. [2023-02-15 11:12:58,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 36 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:58,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2023-02-15 11:12:58,326 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 36 [2023-02-15 11:12:58,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 11:12:58,326 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2023-02-15 11:12:58,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:12:58,326 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-02-15 11:12:58,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-02-15 11:12:58,327 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 11:12:58,327 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 11:12:58,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-15 11:12:58,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 11:12:58,533 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 11:12:58,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 11:12:58,533 INFO L85 PathProgramCache]: Analyzing trace with hash -108989644, now seen corresponding path program 1 times [2023-02-15 11:12:58,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 11:12:58,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743937529] [2023-02-15 11:12:58,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 11:12:58,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 11:12:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 11:12:58,741 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 19 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:12:58,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 11:12:58,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743937529] [2023-02-15 11:12:58,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743937529] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 11:12:58,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81336351] [2023-02-15 11:12:58,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 11:12:58,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 11:12:58,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 11:12:58,744 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 11:12:58,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-15 11:12:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 11:12:58,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 22 conjunts are in the unsatisfiable core [2023-02-15 11:12:58,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 11:12:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 19 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:12:58,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 11:12:59,289 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 19 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:12:59,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81336351] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 11:12:59,290 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 11:12:59,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 13] total 24 [2023-02-15 11:12:59,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951059242] [2023-02-15 11:12:59,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 11:12:59,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-15 11:12:59,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 11:12:59,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-15 11:12:59,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2023-02-15 11:12:59,292 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 24 states, 24 states have (on average 2.875) internal successors, (69), 24 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:13:03,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 11:13:03,099 INFO L93 Difference]: Finished difference Result 88 states and 108 transitions. [2023-02-15 11:13:03,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-15 11:13:03,100 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.875) internal successors, (69), 24 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2023-02-15 11:13:03,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 11:13:03,101 INFO L225 Difference]: With dead ends: 88 [2023-02-15 11:13:03,101 INFO L226 Difference]: Without dead ends: 70 [2023-02-15 11:13:03,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=393, Invalid=663, Unknown=0, NotChecked=0, Total=1056 [2023-02-15 11:13:03,103 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 23 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 11:13:03,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 47 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 11:13:03,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-02-15 11:13:03,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-02-15 11:13:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.0289855072463767) internal successors, (71), 69 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:13:03,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2023-02-15 11:13:03,113 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 36 [2023-02-15 11:13:03,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 11:13:03,113 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2023-02-15 11:13:03,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.875) internal successors, (69), 24 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:13:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2023-02-15 11:13:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-02-15 11:13:03,115 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 11:13:03,115 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 20, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 11:13:03,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-15 11:13:03,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 11:13:03,323 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 11:13:03,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 11:13:03,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1647036101, now seen corresponding path program 2 times [2023-02-15 11:13:03,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 11:13:03,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70479845] [2023-02-15 11:13:03,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 11:13:03,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 11:13:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 11:13:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 41 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:13:03,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 11:13:03,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70479845] [2023-02-15 11:13:03,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70479845] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 11:13:03,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348019528] [2023-02-15 11:13:03,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 11:13:03,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 11:13:03,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 11:13:03,985 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 11:13:04,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-15 11:13:04,069 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 11:13:04,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 11:13:04,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 47 conjunts are in the unsatisfiable core [2023-02-15 11:13:04,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 11:13:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 41 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:13:04,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 11:13:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:13:05,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348019528] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 11:13:05,650 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 11:13:05,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 26] total 49 [2023-02-15 11:13:05,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954326779] [2023-02-15 11:13:05,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 11:13:05,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-02-15 11:13:05,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 11:13:05,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-02-15 11:13:05,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=626, Invalid=1726, Unknown=0, NotChecked=0, Total=2352 [2023-02-15 11:13:05,653 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand has 49 states, 49 states have (on average 2.795918367346939) internal successors, (137), 49 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:16:22,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 11:16:22,413 INFO L93 Difference]: Finished difference Result 145 states and 169 transitions. [2023-02-15 11:16:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-02-15 11:16:22,414 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 2.795918367346939) internal successors, (137), 49 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2023-02-15 11:16:22,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 11:16:22,415 INFO L225 Difference]: With dead ends: 145 [2023-02-15 11:16:22,415 INFO L226 Difference]: Without dead ends: 136 [2023-02-15 11:16:22,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 112 SyntacticMatches, 2 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2763 ImplicationChecksByTransitivity, 197.2s TimeCoverageRelationStatistics Valid=3768, Invalid=8439, Unknown=3, NotChecked=0, Total=12210 [2023-02-15 11:16:22,420 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 111 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-02-15 11:16:22,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 106 Invalid, 1687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-02-15 11:16:22,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-02-15 11:16:22,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2023-02-15 11:16:22,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.0148148148148148) internal successors, (137), 135 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:16:22,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 137 transitions. [2023-02-15 11:16:22,436 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 137 transitions. Word has length 69 [2023-02-15 11:16:22,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 11:16:22,437 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 137 transitions. [2023-02-15 11:16:22,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.795918367346939) internal successors, (137), 49 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:16:22,437 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 137 transitions. [2023-02-15 11:16:22,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-02-15 11:16:22,439 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 11:16:22,439 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 42, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 11:16:22,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-15 11:16:22,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 11:16:22,645 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 11:16:22,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 11:16:22,645 INFO L85 PathProgramCache]: Analyzing trace with hash 420755547, now seen corresponding path program 3 times [2023-02-15 11:16:22,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 11:16:22,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995764371] [2023-02-15 11:16:22,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 11:16:22,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 11:16:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 11:16:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2752 backedges. 85 proven. 2667 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 11:16:24,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 11:16:24,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995764371] [2023-02-15 11:16:24,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995764371] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 11:16:24,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104464] [2023-02-15 11:16:24,443 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 11:16:24,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 11:16:24,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 11:16:24,445 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 11:16:24,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-15 11:16:24,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-02-15 11:16:24,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 11:16:24,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-15 11:16:24,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 11:16:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2752 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 2542 trivial. 0 not checked. [2023-02-15 11:16:24,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 11:16:54,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2752 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 2542 trivial. 0 not checked. [2023-02-15 11:16:54,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104464] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 11:16:54,735 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 11:16:54,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 7, 8] total 56 [2023-02-15 11:16:54,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949644101] [2023-02-15 11:16:54,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 11:16:54,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-02-15 11:16:54,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 11:16:54,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-02-15 11:16:54,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=2767, Unknown=0, NotChecked=0, Total=3080 [2023-02-15 11:16:54,738 INFO L87 Difference]: Start difference. First operand 136 states and 137 transitions. Second operand has 56 states, 56 states have (on average 2.767857142857143) internal successors, (155), 56 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:16:58,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 11:16:58,992 INFO L93 Difference]: Finished difference Result 164 states and 176 transitions. [2023-02-15 11:16:58,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-02-15 11:16:58,993 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 2.767857142857143) internal successors, (155), 56 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2023-02-15 11:16:58,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 11:16:58,996 INFO L225 Difference]: With dead ends: 164 [2023-02-15 11:16:58,996 INFO L226 Difference]: Without dead ends: 155 [2023-02-15 11:16:58,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 260 SyntacticMatches, 1 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1360 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=1188, Invalid=9524, Unknown=0, NotChecked=0, Total=10712 [2023-02-15 11:16:59,000 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 122 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 5701 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 5753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 5701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-02-15 11:16:59,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 70 Invalid, 5753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 5701 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-02-15 11:16:59,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-02-15 11:16:59,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 154. [2023-02-15 11:16:59,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.0326797385620916) internal successors, (158), 153 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:16:59,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2023-02-15 11:16:59,015 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 135 [2023-02-15 11:16:59,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 11:16:59,015 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2023-02-15 11:16:59,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 2.767857142857143) internal successors, (155), 56 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:16:59,016 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2023-02-15 11:16:59,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-02-15 11:16:59,017 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 11:16:59,018 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 44, 5, 1, 1, 1, 1, 1, 1] [2023-02-15 11:16:59,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-15 11:16:59,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 11:16:59,223 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 11:16:59,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 11:16:59,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1171799301, now seen corresponding path program 4 times [2023-02-15 11:16:59,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 11:16:59,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649783604] [2023-02-15 11:16:59,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 11:16:59,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 11:16:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 11:17:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3577 backedges. 625 proven. 2926 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-02-15 11:17:01,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 11:17:01,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649783604] [2023-02-15 11:17:01,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649783604] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 11:17:01,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088859895] [2023-02-15 11:17:01,074 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-15 11:17:01,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 11:17:01,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 11:17:01,075 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 11:17:01,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-15 11:17:01,187 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-15 11:17:01,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 11:17:01,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 94 conjunts are in the unsatisfiable core [2023-02-15 11:17:01,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 11:17:01,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3577 backedges. 502 proven. 3060 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-02-15 11:17:01,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 11:17:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3577 backedges. 502 proven. 3060 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-02-15 11:17:05,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088859895] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 11:17:05,590 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 11:17:05,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 48, 49] total 96 [2023-02-15 11:17:05,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495609798] [2023-02-15 11:17:05,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 11:17:05,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-02-15 11:17:05,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 11:17:05,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-02-15 11:17:05,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2444, Invalid=6676, Unknown=0, NotChecked=0, Total=9120 [2023-02-15 11:17:05,595 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand has 96 states, 96 states have (on average 2.9895833333333335) internal successors, (287), 96 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 11:17:09,592 WARN L837 $PredicateComparison]: unable to prove that (and (let ((.cse0 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296))) (or (not (<= 5000000 .cse0)) (< 4294967294 .cse0))) (not (<= 5000000 (mod |c_ULTIMATE.start_main_~x~0#1| 4294967296))) (let ((.cse1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 34) 4294967296))) (or (not (<= 5000000 .cse1)) (< 4294967294 .cse1))) (let ((.cse2 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 29) 4294967296))) (or (< 4294967294 .cse2) (not (<= 5000000 .cse2)))) (let ((.cse3 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 43) 4294967296))) (or (< 4294967294 .cse3) (not (<= 5000000 .cse3)))) (let ((.cse4 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 39) 4294967296))) (or (< 4294967294 .cse4) (not (<= 5000000 .cse4)))) (let ((.cse5 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 28) 4294967296))) (or (not (<= 5000000 .cse5)) (< 4294967294 .cse5))) (let ((.cse6 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296))) (or (< 4294967294 .cse6) (not (<= 5000000 .cse6)))) (let ((.cse7 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296))) (or (< 4294967294 .cse7) (not (<= 5000000 .cse7)))) (let ((.cse8 (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or (not (<= 5000000 .cse8)) (< 4294967294 .cse8))) (let ((.cse9 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 38) 4294967296))) (or (not (<= 5000000 .cse9)) (< 4294967294 .cse9))) (let ((.cse10 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 9) 4294967296))) (or (not (<= 5000000 .cse10)) (< 4294967294 .cse10))) (let ((.cse11 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 5) 4294967296))) (or (< 4294967294 .cse11) (not (<= 5000000 .cse11)))) (let ((.cse12 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 3) 4294967296))) (or (< 4294967294 .cse12) (not (<= 5000000 .cse12)))) (let ((.cse13 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 31) 4294967296))) (or (not (<= 5000000 .cse13)) (< 4294967294 .cse13))) (let ((.cse14 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 36) 4294967296))) (or (not (<= 5000000 .cse14)) (< 4294967294 .cse14))) (let ((.cse15 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296))) (or (< 4294967294 .cse15) (not (<= 5000000 .cse15)))) (let ((.cse16 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296))) (or (not (<= 5000000 .cse16)) (< 4294967294 .cse16))) (let ((.cse17 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 30) 4294967296))) (or (< 4294967294 .cse17) (not (<= 5000000 .cse17)))) (let ((.cse18 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296))) (or (not (<= 5000000 .cse18)) (< 4294967294 .cse18))) (let ((.cse19 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 33) 4294967296))) (or (< 4294967294 .cse19) (not (<= 5000000 .cse19)))) (let ((.cse20 (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or (< 4294967294 .cse20) (not (<= 5000000 .cse20)))) (let ((.cse21 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296))) (or (< 4294967294 .cse21) (not (<= 5000000 .cse21)))) (let ((.cse22 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 42) 4294967296))) (or (< 4294967294 .cse22) (not (<= 5000000 .cse22)))) (let ((.cse23 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296))) (or (< 4294967294 .cse23) (not (<= 5000000 .cse23)))) (let ((.cse24 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 37) 4294967296))) (or (< 4294967294 .cse24) (not (<= 5000000 .cse24)))) (let ((.cse25 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296))) (or (< 4294967294 .cse25) (not (<= 5000000 .cse25)))) (let ((.cse26 (mod (+ 23 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or (not (<= 5000000 .cse26)) (< 4294967294 .cse26))) (let ((.cse27 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296))) (or (not (<= 5000000 .cse27)) (< 4294967294 .cse27))) (let ((.cse28 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 21) 4294967296))) (or (< 4294967294 .cse28) (not (<= 5000000 .cse28)))) (let ((.cse29 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 32) 4294967296))) (or (< 4294967294 .cse29) (not (<= 5000000 .cse29)))) (let ((.cse30 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 44) 4294967296))) (or (< 4294967294 .cse30) (not (<= 5000000 .cse30)))) (let ((.cse31 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 26) 4294967296))) (or (not (<= 5000000 .cse31)) (< 4294967294 .cse31))) (let ((.cse32 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296))) (or (not (<= 5000000 .cse32)) (< 4294967294 .cse32))) (let ((.cse33 (mod (+ 40 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or (< 4294967294 .cse33) (not (<= 5000000 .cse33)))) (let ((.cse34 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 1) 4294967296))) (or (< 4294967294 .cse34) (not (<= 5000000 .cse34)))) (let ((.cse35 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296))) (or (not (<= 5000000 .cse35)) (< 4294967294 .cse35))) (let ((.cse36 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 24) 4294967296))) (or (not (<= 5000000 .cse36)) (< 4294967294 .cse36))) (let ((.cse37 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 22) 4294967296))) (or (< 4294967294 .cse37) (not (<= 5000000 .cse37)))) (let ((.cse38 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296))) (or (not (<= 5000000 .cse38)) (< 4294967294 .cse38))) (let ((.cse39 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296))) (or (not (<= 5000000 .cse39)) (< 4294967294 .cse39))) (let ((.cse40 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 27) 4294967296))) (or (< 4294967294 .cse40) (not (<= 5000000 .cse40)))) (let ((.cse41 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 25) 4294967296))) (or (not (<= 5000000 .cse41)) (< 4294967294 .cse41))) (let ((.cse42 (mod (+ 41 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or (< 4294967294 .cse42) (not (<= 5000000 .cse42)))) (let ((.cse43 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 45) 4294967296))) (or (< 4294967294 .cse43) (not (<= 5000000 .cse43)))) (let ((.cse44 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 35) 4294967296))) (or (< 4294967294 .cse44) (not (<= 5000000 .cse44))))) is different from false [2023-02-15 11:17:11,617 WARN L837 $PredicateComparison]: unable to prove that (and (let ((.cse0 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 12) 4294967296))) (or (not (<= 5000000 .cse0)) (< 4294967294 .cse0))) (let ((.cse1 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 34) 4294967296))) (or (not (<= 5000000 .cse1)) (< 4294967294 .cse1))) (let ((.cse2 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 29) 4294967296))) (or (< 4294967294 .cse2) (not (<= 5000000 .cse2)))) (let ((.cse3 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 43) 4294967296))) (or (< 4294967294 .cse3) (not (<= 5000000 .cse3)))) (let ((.cse4 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 39) 4294967296))) (or (< 4294967294 .cse4) (not (<= 5000000 .cse4)))) (let ((.cse5 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 28) 4294967296))) (or (not (<= 5000000 .cse5)) (< 4294967294 .cse5))) (let ((.cse6 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 4) 4294967296))) (or (< 4294967294 .cse6) (not (<= 5000000 .cse6)))) (let ((.cse7 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 17) 4294967296))) (or (< 4294967294 .cse7) (not (<= 5000000 .cse7)))) (let ((.cse8 (mod (+ 7 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or (not (<= 5000000 .cse8)) (< 4294967294 .cse8))) (let ((.cse9 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 38) 4294967296))) (or (not (<= 5000000 .cse9)) (< 4294967294 .cse9))) (let ((.cse10 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 9) 4294967296))) (or (not (<= 5000000 .cse10)) (< 4294967294 .cse10))) (let ((.cse11 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 5) 4294967296))) (or (< 4294967294 .cse11) (not (<= 5000000 .cse11)))) (let ((.cse12 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 3) 4294967296))) (or (< 4294967294 .cse12) (not (<= 5000000 .cse12)))) (let ((.cse13 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 31) 4294967296))) (or (not (<= 5000000 .cse13)) (< 4294967294 .cse13))) (let ((.cse14 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 36) 4294967296))) (or (not (<= 5000000 .cse14)) (< 4294967294 .cse14))) (let ((.cse15 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 11) 4294967296))) (or (< 4294967294 .cse15) (not (<= 5000000 .cse15)))) (let ((.cse16 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 14) 4294967296))) (or (not (<= 5000000 .cse16)) (< 4294967294 .cse16))) (let ((.cse17 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 30) 4294967296))) (or (< 4294967294 .cse17) (not (<= 5000000 .cse17)))) (let ((.cse18 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 6) 4294967296))) (or (not (<= 5000000 .cse18)) (< 4294967294 .cse18))) (let ((.cse19 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 33) 4294967296))) (or (< 4294967294 .cse19) (not (<= 5000000 .cse19)))) (let ((.cse20 (mod (+ 19 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or (< 4294967294 .cse20) (not (<= 5000000 .cse20)))) (let ((.cse21 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 16) 4294967296))) (or (< 4294967294 .cse21) (not (<= 5000000 .cse21)))) (let ((.cse22 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 42) 4294967296))) (or (< 4294967294 .cse22) (not (<= 5000000 .cse22)))) (let ((.cse23 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 15) 4294967296))) (or (< 4294967294 .cse23) (not (<= 5000000 .cse23)))) (let ((.cse24 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 37) 4294967296))) (or (< 4294967294 .cse24) (not (<= 5000000 .cse24)))) (let ((.cse25 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 2) 4294967296))) (or (< 4294967294 .cse25) (not (<= 5000000 .cse25)))) (let ((.cse26 (mod (+ 23 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or (not (<= 5000000 .cse26)) (< 4294967294 .cse26))) (let ((.cse27 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 13) 4294967296))) (or (not (<= 5000000 .cse27)) (< 4294967294 .cse27))) (let ((.cse28 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 21) 4294967296))) (or (< 4294967294 .cse28) (not (<= 5000000 .cse28)))) (let ((.cse29 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 32) 4294967296))) (or (< 4294967294 .cse29) (not (<= 5000000 .cse29)))) (let ((.cse30 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 44) 4294967296))) (or (< 4294967294 .cse30) (not (<= 5000000 .cse30)))) (let ((.cse31 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 26) 4294967296))) (or (not (<= 5000000 .cse31)) (< 4294967294 .cse31))) (let ((.cse32 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 8) 4294967296))) (or (not (<= 5000000 .cse32)) (< 4294967294 .cse32))) (let ((.cse33 (mod (+ 40 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or (< 4294967294 .cse33) (not (<= 5000000 .cse33)))) (let ((.cse34 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 20) 4294967296))) (or (not (<= 5000000 .cse34)) (< 4294967294 .cse34))) (let ((.cse35 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 24) 4294967296))) (or (not (<= 5000000 .cse35)) (< 4294967294 .cse35))) (let ((.cse36 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 22) 4294967296))) (or (< 4294967294 .cse36) (not (<= 5000000 .cse36)))) (let ((.cse37 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 18) 4294967296))) (or (not (<= 5000000 .cse37)) (< 4294967294 .cse37))) (let ((.cse38 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 10) 4294967296))) (or (not (<= 5000000 .cse38)) (< 4294967294 .cse38))) (let ((.cse39 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 27) 4294967296))) (or (< 4294967294 .cse39) (not (<= 5000000 .cse39)))) (let ((.cse40 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 25) 4294967296))) (or (not (<= 5000000 .cse40)) (< 4294967294 .cse40))) (let ((.cse41 (mod (+ 41 |c_ULTIMATE.start_main_~x~0#1|) 4294967296))) (or (< 4294967294 .cse41) (not (<= 5000000 .cse41)))) (let ((.cse42 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 45) 4294967296))) (or (< 4294967294 .cse42) (not (<= 5000000 .cse42)))) (let ((.cse43 (mod (+ |c_ULTIMATE.start_main_~x~0#1| 35) 4294967296))) (or (< 4294967294 .cse43) (not (<= 5000000 .cse43))))) is different from false