./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-crafted/zero_sum_const5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e8d55036 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/array-crafted/zero_sum_const5.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 e6c0909fc593366247feb227b85c6733aa1dfc9c572e69f3a5aa951fa82d0326 --- Real Ultimate output --- This is Ultimate 0.2.2-?-e8d5503-m [2023-02-15 18:36:20,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 18:36:20,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 18:36:20,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 18:36:20,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 18:36:20,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 18:36:20,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 18:36:20,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 18:36:20,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 18:36:20,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 18:36:20,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 18:36:20,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 18:36:20,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 18:36:20,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 18:36:20,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 18:36:20,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 18:36:20,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 18:36:20,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 18:36:20,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 18:36:20,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 18:36:20,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 18:36:20,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 18:36:20,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 18:36:20,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 18:36:20,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 18:36:20,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 18:36:20,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 18:36:20,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 18:36:20,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 18:36:20,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 18:36:20,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 18:36:20,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 18:36:20,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 18:36:20,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 18:36:20,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 18:36:20,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 18:36:20,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 18:36:20,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 18:36:20,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 18:36:20,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 18:36:20,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 18:36:20,816 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 18:36:20,846 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 18:36:20,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 18:36:20,847 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 18:36:20,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 18:36:20,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 18:36:20,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 18:36:20,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 18:36:20,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 18:36:20,849 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 18:36:20,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 18:36:20,850 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 18:36:20,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 18:36:20,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 18:36:20,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 18:36:20,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 18:36:20,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 18:36:20,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 18:36:20,852 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 18:36:20,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 18:36:20,852 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 18:36:20,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 18:36:20,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 18:36:20,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 18:36:20,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 18:36:20,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 18:36:20,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 18:36:20,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 18:36:20,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 18:36:20,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 18:36:20,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 18:36:20,855 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 18:36:20,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 18:36:20,856 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 18:36:20,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 18:36:20,856 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 18:36:20,857 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6c0909fc593366247feb227b85c6733aa1dfc9c572e69f3a5aa951fa82d0326 [2023-02-15 18:36:21,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 18:36:21,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 18:36:21,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 18:36:21,124 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 18:36:21,124 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 18:36:21,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/zero_sum_const5.c [2023-02-15 18:36:22,306 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 18:36:22,487 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 18:36:22,487 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/zero_sum_const5.c [2023-02-15 18:36:22,493 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9709613ce/576696bd813646a99e857e6076869a95/FLAG54a4f60ba [2023-02-15 18:36:22,510 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9709613ce/576696bd813646a99e857e6076869a95 [2023-02-15 18:36:22,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 18:36:22,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 18:36:22,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 18:36:22,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 18:36:22,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 18:36:22,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 06:36:22" (1/1) ... [2023-02-15 18:36:22,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bbce6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 06:36:22, skipping insertion in model container [2023-02-15 18:36:22,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 06:36:22" (1/1) ... [2023-02-15 18:36:22,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 18:36:22,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 18:36:22,662 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/array-crafted/zero_sum_const5.c[406,419] [2023-02-15 18:36:22,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 18:36:22,692 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 18:36:22,700 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/array-crafted/zero_sum_const5.c[406,419] [2023-02-15 18:36:22,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 18:36:22,721 INFO L208 MainTranslator]: Completed translation [2023-02-15 18:36:22,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 06:36:22 WrapperNode [2023-02-15 18:36:22,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 18:36:22,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 18:36:22,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 18:36:22,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 18:36:22,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 06:36:22" (1/1) ... [2023-02-15 18:36:22,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 06:36:22" (1/1) ... [2023-02-15 18:36:22,767 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 148 [2023-02-15 18:36:22,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 18:36:22,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 18:36:22,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 18:36:22,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 18:36:22,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 06:36:22" (1/1) ... [2023-02-15 18:36:22,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 06:36:22" (1/1) ... [2023-02-15 18:36:22,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 06:36:22" (1/1) ... [2023-02-15 18:36:22,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 06:36:22" (1/1) ... [2023-02-15 18:36:22,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 06:36:22" (1/1) ... [2023-02-15 18:36:22,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 06:36:22" (1/1) ... [2023-02-15 18:36:22,796 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 06:36:22" (1/1) ... [2023-02-15 18:36:22,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 06:36:22" (1/1) ... [2023-02-15 18:36:22,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 18:36:22,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 18:36:22,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 18:36:22,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 18:36:22,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 06:36:22" (1/1) ... [2023-02-15 18:36:22,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 18:36:22,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 18:36:22,828 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 18:36:22,829 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 18:36:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 18:36:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 18:36:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-15 18:36:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-15 18:36:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 18:36:22,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 18:36:22,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-15 18:36:22,933 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 18:36:22,935 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 18:36:23,187 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 18:36:23,193 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 18:36:23,208 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2023-02-15 18:36:23,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 06:36:23 BoogieIcfgContainer [2023-02-15 18:36:23,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 18:36:23,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 18:36:23,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 18:36:23,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 18:36:23,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 06:36:22" (1/3) ... [2023-02-15 18:36:23,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b83d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 06:36:23, skipping insertion in model container [2023-02-15 18:36:23,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 06:36:22" (2/3) ... [2023-02-15 18:36:23,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b83d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 06:36:23, skipping insertion in model container [2023-02-15 18:36:23,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 06:36:23" (3/3) ... [2023-02-15 18:36:23,218 INFO L112 eAbstractionObserver]: Analyzing ICFG zero_sum_const5.c [2023-02-15 18:36:23,237 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 18:36:23,237 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 18:36:23,302 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 18:36:23,309 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;@1187e53b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 18:36:23,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 18:36:23,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 43 states have internal predecessors, (67), 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 18:36:23,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-02-15 18:36:23,319 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 18:36:23,319 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 18:36:23,320 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 18:36:23,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 18:36:23,323 INFO L85 PathProgramCache]: Analyzing trace with hash 226651140, now seen corresponding path program 1 times [2023-02-15 18:36:23,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 18:36:23,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639820341] [2023-02-15 18:36:23,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 18:36:23,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 18:36:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 18:36:23,492 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 18:36:23,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 18:36:23,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639820341] [2023-02-15 18:36:23,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639820341] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 18:36:23,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 18:36:23,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 18:36:23,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623884916] [2023-02-15 18:36:23,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 18:36:23,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-15 18:36:23,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 18:36:23,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-15 18:36:23,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 18:36:23,548 INFO L87 Difference]: Start difference. First operand has 44 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 43 states have internal predecessors, (67), 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 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 18:36:23,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 18:36:23,564 INFO L93 Difference]: Finished difference Result 83 states and 126 transitions. [2023-02-15 18:36:23,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-15 18:36:23,566 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-02-15 18:36:23,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 18:36:23,572 INFO L225 Difference]: With dead ends: 83 [2023-02-15 18:36:23,572 INFO L226 Difference]: Without dead ends: 39 [2023-02-15 18:36:23,575 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 18:36:23,578 INFO L413 NwaCegarLoop]: 55 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, 55 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 18:36:23,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 18:36:23,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-02-15 18:36:23,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-02-15 18:36:23,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 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 18:36:23,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2023-02-15 18:36:23,604 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 27 [2023-02-15 18:36:23,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 18:36:23,605 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2023-02-15 18:36:23,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 18:36:23,605 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-02-15 18:36:23,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-02-15 18:36:23,606 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 18:36:23,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 18:36:23,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 18:36:23,607 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 18:36:23,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 18:36:23,608 INFO L85 PathProgramCache]: Analyzing trace with hash -833651044, now seen corresponding path program 1 times [2023-02-15 18:36:23,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 18:36:23,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129216795] [2023-02-15 18:36:23,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 18:36:23,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 18:36:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 18:36:23,733 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 18:36:23,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 18:36:23,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129216795] [2023-02-15 18:36:23,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129216795] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 18:36:23,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 18:36:23,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 18:36:23,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343891453] [2023-02-15 18:36:23,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 18:36:23,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 18:36:23,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 18:36:23,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 18:36:23,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 18:36:23,737 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 18:36:23,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 18:36:23,847 INFO L93 Difference]: Finished difference Result 75 states and 95 transitions. [2023-02-15 18:36:23,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 18:36:23,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-02-15 18:36:23,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 18:36:23,850 INFO L225 Difference]: With dead ends: 75 [2023-02-15 18:36:23,850 INFO L226 Difference]: Without dead ends: 41 [2023-02-15 18:36:23,851 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 18:36:23,853 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 1 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 18:36:23,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 50 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 18:36:23,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-15 18:36:23,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2023-02-15 18:36:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 39 states have internal predecessors, (50), 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 18:36:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2023-02-15 18:36:23,864 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 50 transitions. Word has length 27 [2023-02-15 18:36:23,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 18:36:23,865 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 50 transitions. [2023-02-15 18:36:23,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 18:36:23,865 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2023-02-15 18:36:23,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-02-15 18:36:23,866 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 18:36:23,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 18:36:23,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 18:36:23,867 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 18:36:23,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 18:36:23,871 INFO L85 PathProgramCache]: Analyzing trace with hash 479992254, now seen corresponding path program 1 times [2023-02-15 18:36:23,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 18:36:23,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464175366] [2023-02-15 18:36:23,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 18:36:23,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 18:36:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 18:36:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 18:36:24,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 18:36:24,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464175366] [2023-02-15 18:36:24,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464175366] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 18:36:24,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 18:36:24,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 18:36:24,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497564710] [2023-02-15 18:36:24,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 18:36:24,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 18:36:24,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 18:36:24,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 18:36:24,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 18:36:24,027 INFO L87 Difference]: Start difference. First operand 40 states and 50 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 18:36:24,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 18:36:24,154 INFO L93 Difference]: Finished difference Result 92 states and 120 transitions. [2023-02-15 18:36:24,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 18:36:24,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2023-02-15 18:36:24,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 18:36:24,155 INFO L225 Difference]: With dead ends: 92 [2023-02-15 18:36:24,157 INFO L226 Difference]: Without dead ends: 61 [2023-02-15 18:36:24,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 18:36:24,159 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 73 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 18:36:24,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 19 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 18:36:24,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-02-15 18:36:24,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 50. [2023-02-15 18:36:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 49 states have internal predecessors, (60), 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 18:36:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2023-02-15 18:36:24,171 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 29 [2023-02-15 18:36:24,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 18:36:24,171 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2023-02-15 18:36:24,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 18:36:24,171 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-02-15 18:36:24,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-02-15 18:36:24,172 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 18:36:24,173 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 18:36:24,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 18:36:24,173 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 18:36:24,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 18:36:24,174 INFO L85 PathProgramCache]: Analyzing trace with hash -509099182, now seen corresponding path program 1 times [2023-02-15 18:36:24,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 18:36:24,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858857863] [2023-02-15 18:36:24,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 18:36:24,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 18:36:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 18:36:24,356 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-02-15 18:36:24,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 18:36:24,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858857863] [2023-02-15 18:36:24,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858857863] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 18:36:24,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962799419] [2023-02-15 18:36:24,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 18:36:24,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 18:36:24,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 18:36:24,365 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 18:36:24,391 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 18:36:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 18:36:24,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 18:36:24,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 18:36:24,555 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-02-15 18:36:24,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 18:36:24,604 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-02-15 18:36:24,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962799419] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 18:36:24,604 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 18:36:24,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-02-15 18:36:24,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752859766] [2023-02-15 18:36:24,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 18:36:24,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-15 18:36:24,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 18:36:24,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-15 18:36:24,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2023-02-15 18:36:24,612 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 18:36:24,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 18:36:24,766 INFO L93 Difference]: Finished difference Result 97 states and 117 transitions. [2023-02-15 18:36:24,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 18:36:24,767 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 49 [2023-02-15 18:36:24,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 18:36:24,767 INFO L225 Difference]: With dead ends: 97 [2023-02-15 18:36:24,768 INFO L226 Difference]: Without dead ends: 53 [2023-02-15 18:36:24,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2023-02-15 18:36:24,777 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 18:36:24,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 49 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 18:36:24,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-02-15 18:36:24,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2023-02-15 18:36:24,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 51 states have internal predecessors, (62), 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 18:36:24,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2023-02-15 18:36:24,794 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 49 [2023-02-15 18:36:24,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 18:36:24,794 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2023-02-15 18:36:24,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 18:36:24,795 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-02-15 18:36:24,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-02-15 18:36:24,797 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 18:36:24,797 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 18:36:24,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-15 18:36:25,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 18:36:25,004 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 18:36:25,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 18:36:25,004 INFO L85 PathProgramCache]: Analyzing trace with hash 290748660, now seen corresponding path program 2 times [2023-02-15 18:36:25,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 18:36:25,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621466838] [2023-02-15 18:36:25,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 18:36:25,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 18:36:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 18:36:25,147 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-02-15 18:36:25,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 18:36:25,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621466838] [2023-02-15 18:36:25,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621466838] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 18:36:25,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710139858] [2023-02-15 18:36:25,148 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 18:36:25,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 18:36:25,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 18:36:25,149 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 18:36:25,153 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 18:36:25,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 18:36:25,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 18:36:25,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 18:36:25,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 18:36:25,307 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-02-15 18:36:25,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 18:36:25,371 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-02-15 18:36:25,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710139858] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 18:36:25,371 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 18:36:25,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2023-02-15 18:36:25,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239160463] [2023-02-15 18:36:25,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 18:36:25,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-15 18:36:25,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 18:36:25,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-15 18:36:25,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-02-15 18:36:25,380 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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 18:36:25,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 18:36:25,538 INFO L93 Difference]: Finished difference Result 123 states and 151 transitions. [2023-02-15 18:36:25,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 18:36:25,538 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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 51 [2023-02-15 18:36:25,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 18:36:25,541 INFO L225 Difference]: With dead ends: 123 [2023-02-15 18:36:25,541 INFO L226 Difference]: Without dead ends: 83 [2023-02-15 18:36:25,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 96 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2023-02-15 18:36:25,543 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 58 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 18:36:25,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 22 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 18:36:25,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-02-15 18:36:25,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 72. [2023-02-15 18:36:25,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.1549295774647887) internal successors, (82), 71 states have internal predecessors, (82), 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 18:36:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2023-02-15 18:36:25,564 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 51 [2023-02-15 18:36:25,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 18:36:25,564 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2023-02-15 18:36:25,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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 18:36:25,564 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2023-02-15 18:36:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-02-15 18:36:25,570 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 18:36:25,570 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 18:36:25,578 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 18:36:25,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 18:36:25,776 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 18:36:25,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 18:36:25,776 INFO L85 PathProgramCache]: Analyzing trace with hash -813057144, now seen corresponding path program 3 times [2023-02-15 18:36:25,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 18:36:25,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371482179] [2023-02-15 18:36:25,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 18:36:25,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 18:36:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 18:36:30,844 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 18:36:30,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 18:36:30,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371482179] [2023-02-15 18:36:30,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371482179] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 18:36:30,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447904384] [2023-02-15 18:36:30,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 18:36:30,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 18:36:30,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 18:36:30,849 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 18:36:30,876 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 18:36:30,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-15 18:36:30,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 18:36:30,951 WARN L261 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 106 conjunts are in the unsatisfiable core [2023-02-15 18:36:30,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 18:36:31,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-02-15 18:36:32,905 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 18:36:32,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 18 [2023-02-15 18:36:33,093 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 18:36:33,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 18:36:38,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2023-02-15 18:36:38,784 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 18:36:38,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 89 [2023-02-15 18:36:38,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2023-02-15 18:36:38,917 INFO L321 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2023-02-15 18:36:38,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 76 [2023-02-15 18:36:40,255 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 18:36:40,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447904384] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 18:36:40,256 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 18:36:40,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22, 26] total 59 [2023-02-15 18:36:40,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581345234] [2023-02-15 18:36:40,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 18:36:40,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2023-02-15 18:36:40,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 18:36:40,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2023-02-15 18:36:40,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=3095, Unknown=0, NotChecked=0, Total=3422 [2023-02-15 18:36:40,259 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand has 59 states, 59 states have (on average 3.4745762711864407) internal successors, (205), 59 states have internal predecessors, (205), 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 18:36:47,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 18:36:47,766 INFO L93 Difference]: Finished difference Result 212 states and 244 transitions. [2023-02-15 18:36:47,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-02-15 18:36:47,767 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 3.4745762711864407) internal successors, (205), 59 states have internal predecessors, (205), 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 71 [2023-02-15 18:36:47,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 18:36:47,769 INFO L225 Difference]: With dead ends: 212 [2023-02-15 18:36:47,769 INFO L226 Difference]: Without dead ends: 206 [2023-02-15 18:36:47,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 91 SyntacticMatches, 48 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3277 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=881, Invalid=7675, Unknown=0, NotChecked=0, Total=8556 [2023-02-15 18:36:47,772 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 82 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 2588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-02-15 18:36:47,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 137 Invalid, 2588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 2415 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-02-15 18:36:47,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-02-15 18:36:47,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 125. [2023-02-15 18:36:47,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.1612903225806452) internal successors, (144), 124 states have internal predecessors, (144), 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 18:36:47,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2023-02-15 18:36:47,796 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 71 [2023-02-15 18:36:47,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 18:36:47,796 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2023-02-15 18:36:47,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 3.4745762711864407) internal successors, (205), 59 states have internal predecessors, (205), 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 18:36:47,797 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2023-02-15 18:36:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-02-15 18:36:47,798 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 18:36:47,798 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 18:36:47,807 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 18:36:48,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 18:36:48,004 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 18:36:48,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 18:36:48,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1767165226, now seen corresponding path program 4 times [2023-02-15 18:36:48,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 18:36:48,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268225740] [2023-02-15 18:36:48,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 18:36:48,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 18:36:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 18:36:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-02-15 18:36:48,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 18:36:48,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268225740] [2023-02-15 18:36:48,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268225740] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 18:36:48,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914378725] [2023-02-15 18:36:48,148 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-15 18:36:48,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 18:36:48,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 18:36:48,153 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 18:36:48,156 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 18:36:48,215 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-15 18:36:48,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 18:36:48,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-15 18:36:48,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 18:36:48,311 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-02-15 18:36:48,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 18:36:48,392 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-02-15 18:36:48,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914378725] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 18:36:48,392 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 18:36:48,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2023-02-15 18:36:48,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033339951] [2023-02-15 18:36:48,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 18:36:48,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-15 18:36:48,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 18:36:48,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-15 18:36:48,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2023-02-15 18:36:48,394 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. Second operand has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 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 18:36:48,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 18:36:48,754 INFO L93 Difference]: Finished difference Result 289 states and 334 transitions. [2023-02-15 18:36:48,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-15 18:36:48,754 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 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 73 [2023-02-15 18:36:48,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 18:36:48,755 INFO L225 Difference]: With dead ends: 289 [2023-02-15 18:36:48,755 INFO L226 Difference]: Without dead ends: 168 [2023-02-15 18:36:48,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 136 SyntacticMatches, 6 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-02-15 18:36:48,756 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 212 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 18:36:48,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 44 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 18:36:48,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-02-15 18:36:48,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 140. [2023-02-15 18:36:48,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.1366906474820144) internal successors, (158), 139 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 18:36:48,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 158 transitions. [2023-02-15 18:36:48,773 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 158 transitions. Word has length 73 [2023-02-15 18:36:48,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 18:36:48,774 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 158 transitions. [2023-02-15 18:36:48,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 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 18:36:48,774 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 158 transitions. [2023-02-15 18:36:48,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-02-15 18:36:48,776 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 18:36:48,776 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 18:36:48,783 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 18:36:48,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 18:36:48,983 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 18:36:48,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 18:36:48,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1072452492, now seen corresponding path program 5 times [2023-02-15 18:36:48,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 18:36:48,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791884913] [2023-02-15 18:36:48,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 18:36:48,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 18:36:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 18:36:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-02-15 18:36:49,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 18:36:49,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791884913] [2023-02-15 18:36:49,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791884913] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 18:36:49,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030857247] [2023-02-15 18:36:49,107 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-15 18:36:49,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 18:36:49,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 18:36:49,109 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 18:36:49,111 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 18:36:49,215 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-02-15 18:36:49,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 18:36:49,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-15 18:36:49,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 18:36:49,335 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-02-15 18:36:49,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 18:36:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-02-15 18:36:49,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030857247] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 18:36:49,446 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 18:36:49,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2023-02-15 18:36:49,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007391984] [2023-02-15 18:36:49,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 18:36:49,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-15 18:36:49,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 18:36:49,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-15 18:36:49,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2023-02-15 18:36:49,448 INFO L87 Difference]: Start difference. First operand 140 states and 158 transitions. Second operand has 14 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 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 18:36:49,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 18:36:49,788 INFO L93 Difference]: Finished difference Result 156 states and 174 transitions. [2023-02-15 18:36:49,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-15 18:36:49,788 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 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 75 [2023-02-15 18:36:49,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 18:36:49,789 INFO L225 Difference]: With dead ends: 156 [2023-02-15 18:36:49,789 INFO L226 Difference]: Without dead ends: 104 [2023-02-15 18:36:49,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 139 SyntacticMatches, 6 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2023-02-15 18:36:49,790 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 137 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 18:36:49,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 36 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 18:36:49,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-02-15 18:36:49,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 94. [2023-02-15 18:36:49,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.118279569892473) internal successors, (104), 93 states have internal predecessors, (104), 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 18:36:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 104 transitions. [2023-02-15 18:36:49,797 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 104 transitions. Word has length 75 [2023-02-15 18:36:49,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 18:36:49,798 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 104 transitions. [2023-02-15 18:36:49,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 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 18:36:49,798 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2023-02-15 18:36:49,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-02-15 18:36:49,799 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 18:36:49,799 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 18:36:49,807 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 18:36:50,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 18:36:50,005 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 18:36:50,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 18:36:50,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1413596990, now seen corresponding path program 6 times [2023-02-15 18:36:50,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 18:36:50,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814745368] [2023-02-15 18:36:50,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 18:36:50,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 18:36:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 18:36:59,933 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 18:36:59,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 18:36:59,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814745368] [2023-02-15 18:36:59,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814745368] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 18:36:59,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609226023] [2023-02-15 18:36:59,934 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-15 18:36:59,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 18:36:59,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 18:36:59,941 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 18:36:59,944 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 18:37:00,027 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-02-15 18:37:00,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 18:37:00,030 WARN L261 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 143 conjunts are in the unsatisfiable core [2023-02-15 18:37:00,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 18:37:00,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-02-15 18:37:08,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 18:37:08,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 18:37:08,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 18:37:08,181 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 18:37:08,181 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 18:37:08,182 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 18:37:08,204 INFO L321 Elim1Store]: treesize reduction 41, result has 43.8 percent of original size [2023-02-15 18:37:08,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 46 treesize of output 42 [2023-02-15 18:37:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 18:37:08,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 18:39:59,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 158 [2023-02-15 18:39:59,662 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 18:39:59,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 1146 treesize of output 1007 [2023-02-15 18:40:12,837 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:14,262 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:15,477 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:16,736 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:17,762 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:18,638 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:19,771 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:20,487 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:21,176 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:22,327 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:22,587 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:23,183 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:23,869 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-02-15 18:40:24,769 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:25,248 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:25,380 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:26,015 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:26,884 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:27,396 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:28,203 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:28,517 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:29,285 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:30,096 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-02-15 18:40:30,772 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-02-15 18:40:31,094 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-02-15 18:40:31,215 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:31,362 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:31,516 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-02-15 18:40:31,722 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:31,820 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:31,969 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:32,148 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:32,360 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-02-15 18:40:33,002 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:33,631 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:33,814 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:33,946 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:34,064 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-02-15 18:40:34,232 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-02-15 18:40:34,397 WARN L718 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2023-02-15 18:40:34,962 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-02-15 18:40:35,370 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-02-15 18:40:35,713 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:35,948 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-02-15 18:40:36,534 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-02-15 18:40:37,051 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-02-15 18:40:37,311 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-02-15 18:40:37,508 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:37,657 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-02-15 18:40:37,868 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:38,096 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:38,254 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-02-15 18:40:38,375 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-02-15 18:40:38,573 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:39,030 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-02-15 18:40:39,134 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.