./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i --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/heap-manipulation/sll_to_dll_rev-2.i -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 8f9453cad2383b5119b308e041fed5f4a740e7abd43cb8ad7833872af20a8d57 --- Real Ultimate output --- This is Ultimate 0.2.2-?-e8d5503-m [2023-02-15 19:28:27,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 19:28:27,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 19:28:27,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 19:28:27,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 19:28:27,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 19:28:27,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 19:28:27,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 19:28:27,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 19:28:27,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 19:28:27,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 19:28:27,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 19:28:27,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 19:28:27,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 19:28:27,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 19:28:27,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 19:28:27,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 19:28:27,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 19:28:27,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 19:28:27,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 19:28:27,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 19:28:27,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 19:28:27,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 19:28:27,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 19:28:27,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 19:28:27,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 19:28:27,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 19:28:27,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 19:28:27,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 19:28:27,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 19:28:27,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 19:28:27,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 19:28:27,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 19:28:27,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 19:28:27,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 19:28:27,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 19:28:27,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 19:28:27,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 19:28:27,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 19:28:27,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 19:28:27,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 19:28:27,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 19:28:27,790 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 19:28:27,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 19:28:27,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 19:28:27,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 19:28:27,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 19:28:27,792 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 19:28:27,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 19:28:27,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 19:28:27,792 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 19:28:27,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 19:28:27,793 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 19:28:27,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 19:28:27,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 19:28:27,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 19:28:27,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 19:28:27,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 19:28:27,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 19:28:27,794 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 19:28:27,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 19:28:27,795 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 19:28:27,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 19:28:27,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 19:28:27,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 19:28:27,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 19:28:27,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 19:28:27,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 19:28:27,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 19:28:27,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 19:28:27,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 19:28:27,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 19:28:27,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 19:28:27,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 19:28:27,797 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 19:28:27,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 19:28:27,798 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 19:28:27,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f9453cad2383b5119b308e041fed5f4a740e7abd43cb8ad7833872af20a8d57 [2023-02-15 19:28:27,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 19:28:28,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 19:28:28,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 19:28:28,014 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 19:28:28,014 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 19:28:28,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2023-02-15 19:28:29,153 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 19:28:29,368 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 19:28:29,370 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2023-02-15 19:28:29,385 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b73658f1/55052e71a2964d1da442645c85019c83/FLAG133ffc535 [2023-02-15 19:28:29,397 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b73658f1/55052e71a2964d1da442645c85019c83 [2023-02-15 19:28:29,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 19:28:29,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 19:28:29,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 19:28:29,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 19:28:29,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 19:28:29,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 07:28:29" (1/1) ... [2023-02-15 19:28:29,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@531378e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:28:29, skipping insertion in model container [2023-02-15 19:28:29,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 07:28:29" (1/1) ... [2023-02-15 19:28:29,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 19:28:29,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 19:28:29,684 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i[22636,22649] [2023-02-15 19:28:29,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 19:28:29,729 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 19:28:29,748 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/heap-manipulation/sll_to_dll_rev-2.i[22636,22649] [2023-02-15 19:28:29,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 19:28:29,796 INFO L208 MainTranslator]: Completed translation [2023-02-15 19:28:29,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:28:29 WrapperNode [2023-02-15 19:28:29,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 19:28:29,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 19:28:29,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 19:28:29,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 19:28:29,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:28:29" (1/1) ... [2023-02-15 19:28:29,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:28:29" (1/1) ... [2023-02-15 19:28:29,842 INFO L138 Inliner]: procedures = 129, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 200 [2023-02-15 19:28:29,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 19:28:29,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 19:28:29,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 19:28:29,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 19:28:29,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:28:29" (1/1) ... [2023-02-15 19:28:29,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:28:29" (1/1) ... [2023-02-15 19:28:29,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:28:29" (1/1) ... [2023-02-15 19:28:29,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:28:29" (1/1) ... [2023-02-15 19:28:29,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:28:29" (1/1) ... [2023-02-15 19:28:29,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:28:29" (1/1) ... [2023-02-15 19:28:29,866 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:28:29" (1/1) ... [2023-02-15 19:28:29,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:28:29" (1/1) ... [2023-02-15 19:28:29,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 19:28:29,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 19:28:29,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 19:28:29,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 19:28:29,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:28:29" (1/1) ... [2023-02-15 19:28:29,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 19:28:29,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:28:29,908 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 19:28:29,917 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 19:28:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2023-02-15 19:28:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2023-02-15 19:28:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-15 19:28:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 19:28:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-15 19:28:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-02-15 19:28:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-02-15 19:28:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2023-02-15 19:28:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2023-02-15 19:28:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-15 19:28:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-15 19:28:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2023-02-15 19:28:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2023-02-15 19:28:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 19:28:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2023-02-15 19:28:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2023-02-15 19:28:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 19:28:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 19:28:30,026 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 19:28:30,027 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 19:28:30,267 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 19:28:30,272 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 19:28:30,272 INFO L300 CfgBuilder]: Removed 33 assume(true) statements. [2023-02-15 19:28:30,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:28:30 BoogieIcfgContainer [2023-02-15 19:28:30,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 19:28:30,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 19:28:30,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 19:28:30,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 19:28:30,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 07:28:29" (1/3) ... [2023-02-15 19:28:30,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9f3e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 07:28:30, skipping insertion in model container [2023-02-15 19:28:30,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:28:29" (2/3) ... [2023-02-15 19:28:30,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9f3e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 07:28:30, skipping insertion in model container [2023-02-15 19:28:30,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:28:30" (3/3) ... [2023-02-15 19:28:30,280 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_to_dll_rev-2.i [2023-02-15 19:28:30,292 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 19:28:30,292 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 19:28:30,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 19:28:30,328 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;@890bc75, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 19:28:30,328 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 19:28:30,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 76 states have (on average 1.6578947368421053) internal successors, (126), 82 states have internal predecessors, (126), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-02-15 19:28:30,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-15 19:28:30,337 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:28:30,337 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 19:28:30,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:28:30,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:28:30,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1660370747, now seen corresponding path program 1 times [2023-02-15 19:28:30,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:28:30,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635487359] [2023-02-15 19:28:30,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:28:30,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:28:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:28:30,508 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 19:28:30,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:28:30,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635487359] [2023-02-15 19:28:30,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635487359] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:28:30,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:28:30,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 19:28:30,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317972865] [2023-02-15 19:28:30,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:28:30,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-15 19:28:30,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:28:30,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-15 19:28:30,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 19:28:30,540 INFO L87 Difference]: Start difference. First operand has 96 states, 76 states have (on average 1.6578947368421053) internal successors, (126), 82 states have internal predecessors, (126), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:28:30,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:28:30,566 INFO L93 Difference]: Finished difference Result 188 states and 326 transitions. [2023-02-15 19:28:30,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-15 19:28:30,568 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-02-15 19:28:30,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:28:30,573 INFO L225 Difference]: With dead ends: 188 [2023-02-15 19:28:30,573 INFO L226 Difference]: Without dead ends: 88 [2023-02-15 19:28:30,576 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 19:28:30,578 INFO L413 NwaCegarLoop]: 115 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, 115 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 19:28:30,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 19:28:30,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-02-15 19:28:30,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-02-15 19:28:30,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 67 states have (on average 1.2388059701492538) internal successors, (83), 75 states have internal predecessors, (83), 17 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-02-15 19:28:30,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 108 transitions. [2023-02-15 19:28:30,606 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 108 transitions. Word has length 16 [2023-02-15 19:28:30,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:28:30,607 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 108 transitions. [2023-02-15 19:28:30,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:28:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 108 transitions. [2023-02-15 19:28:30,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-02-15 19:28:30,608 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:28:30,609 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-02-15 19:28:30,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 19:28:30,609 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:28:30,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:28:30,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1299807145, now seen corresponding path program 1 times [2023-02-15 19:28:30,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:28:30,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510641116] [2023-02-15 19:28:30,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:28:30,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:28:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:28:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-15 19:28:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:28:31,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-02-15 19:28:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:28:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-02-15 19:28:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:28:31,877 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-15 19:28:31,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:28:31,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510641116] [2023-02-15 19:28:31,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510641116] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 19:28:31,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789117445] [2023-02-15 19:28:31,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:28:31,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:28:31,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:28:31,891 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 19:28:31,923 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 19:28:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:28:32,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 70 conjunts are in the unsatisfiable core [2023-02-15 19:28:32,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:28:32,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 12 [2023-02-15 19:28:32,248 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-02-15 19:28:32,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2023-02-15 19:28:32,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-02-15 19:28:32,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-02-15 19:28:32,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:28:32,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 19 [2023-02-15 19:28:32,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 7 [2023-02-15 19:28:32,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2023-02-15 19:28:32,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2023-02-15 19:28:32,559 WARN L859 $PredicateComparison]: unable to prove that (exists ((|chain_node_~ppnode#1.offset| Int) (v_ArrVal_329 (Array Int Int)) (|chain_node_~node~0#1.base| Int) (|chain_node_~node~0#1.offset| Int) (v_ArrVal_334 (Array Int Int))) (and (= |c_#memory_$Pointer$.base| (store (store |c_old(#memory_$Pointer$.base)| |chain_node_~node~0#1.base| (store v_ArrVal_329 |chain_node_~node~0#1.offset| (select (select (store |c_old(#memory_$Pointer$.base)| |chain_node_~node~0#1.base| v_ArrVal_329) |c_chain_node_#in~ppnode#1.base|) |chain_node_~ppnode#1.offset|))) |c_chain_node_#in~ppnode#1.base| v_ArrVal_334)) (< |chain_node_~node~0#1.base| |c_#StackHeapBarrier|))) is different from true [2023-02-15 19:28:32,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:28:32,597 INFO L321 Elim1Store]: treesize reduction 20, result has 59.2 percent of original size [2023-02-15 19:28:32,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 101 [2023-02-15 19:28:32,608 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 19:28:32,608 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 24 treesize of output 28 [2023-02-15 19:28:32,622 INFO L321 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2023-02-15 19:28:32,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 42 [2023-02-15 19:28:32,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:28:32,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 45 [2023-02-15 19:28:32,760 INFO L321 Elim1Store]: treesize reduction 14, result has 56.3 percent of original size [2023-02-15 19:28:32,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 68 [2023-02-15 19:28:32,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 7 [2023-02-15 19:28:32,890 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 16 treesize of output 8 [2023-02-15 19:28:32,896 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 2 not checked. [2023-02-15 19:28:32,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 19:28:33,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789117445] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 19:28:33,028 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-15 19:28:33,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 24 [2023-02-15 19:28:33,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875218412] [2023-02-15 19:28:33,029 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-15 19:28:33,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-15 19:28:33,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:28:33,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-15 19:28:33,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=479, Unknown=11, NotChecked=44, Total=600 [2023-02-15 19:28:33,032 INFO L87 Difference]: Start difference. First operand 88 states and 108 transitions. Second operand has 24 states, 21 states have (on average 2.4761904761904763) internal successors, (52), 21 states have internal predecessors, (52), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2023-02-15 19:28:34,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:28:34,112 INFO L93 Difference]: Finished difference Result 132 states and 163 transitions. [2023-02-15 19:28:34,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-15 19:28:34,113 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 2.4761904761904763) internal successors, (52), 21 states have internal predecessors, (52), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 40 [2023-02-15 19:28:34,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:28:34,115 INFO L225 Difference]: With dead ends: 132 [2023-02-15 19:28:34,115 INFO L226 Difference]: Without dead ends: 129 [2023-02-15 19:28:34,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=142, Invalid=972, Unknown=12, NotChecked=64, Total=1190 [2023-02-15 19:28:34,117 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 219 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 1454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 158 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-02-15 19:28:34,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 549 Invalid, 1454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1217 Invalid, 0 Unknown, 158 Unchecked, 0.7s Time] [2023-02-15 19:28:34,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-02-15 19:28:34,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 100. [2023-02-15 19:28:34,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 86 states have internal predecessors, (97), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-02-15 19:28:34,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2023-02-15 19:28:34,139 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 40 [2023-02-15 19:28:34,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:28:34,139 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2023-02-15 19:28:34,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 2.4761904761904763) internal successors, (52), 21 states have internal predecessors, (52), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2023-02-15 19:28:34,139 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2023-02-15 19:28:34,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-02-15 19:28:34,140 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:28:34,140 INFO L195 NwaCegarLoop]: trace histogram [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 19:28:34,162 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 19:28:34,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:28:34,345 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:28:34,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:28:34,346 INFO L85 PathProgramCache]: Analyzing trace with hash -727961485, now seen corresponding path program 1 times [2023-02-15 19:28:34,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:28:34,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049119907] [2023-02-15 19:28:34,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:28:34,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:28:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:28:34,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-15 19:28:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:28:35,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-02-15 19:28:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:28:35,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-02-15 19:28:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:28:35,401 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-02-15 19:28:35,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:28:35,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049119907] [2023-02-15 19:28:35,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049119907] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 19:28:35,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066438855] [2023-02-15 19:28:35,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:28:35,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:28:35,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:28:35,403 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 19:28:35,405 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 19:28:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:28:35,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 100 conjunts are in the unsatisfiable core [2023-02-15 19:28:35,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:28:35,614 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-02-15 19:28:35,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2023-02-15 19:28:35,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-02-15 19:28:35,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-02-15 19:28:35,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 19 [2023-02-15 19:28:35,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 7 [2023-02-15 19:28:35,764 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-02-15 19:28:35,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2023-02-15 19:28:35,794 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-02-15 19:28:35,794 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 20 treesize of output 8 [2023-02-15 19:28:35,873 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_647 (Array Int Int)) (|chain_node_~node~0#1.base| Int) (|chain_node_~node~0#1.offset| Int)) (and (= |c_#memory_$Pointer$.base| (let ((.cse0 (store |c_old(#memory_$Pointer$.base)| |chain_node_~node~0#1.base| (store v_ArrVal_647 |chain_node_~node~0#1.offset| (select (select (store |c_old(#memory_$Pointer$.base)| |chain_node_~node~0#1.base| v_ArrVal_647) |c_chain_node_#in~ppnode#1.base|) |c_chain_node_#in~ppnode#1.offset|))))) (store .cse0 |c_chain_node_#in~ppnode#1.base| (store (select .cse0 |c_chain_node_#in~ppnode#1.base|) |c_chain_node_#in~ppnode#1.offset| |chain_node_~node~0#1.base|)))) (not (= 0 |chain_node_~node~0#1.base|)) (< |chain_node_~node~0#1.base| |c_#StackHeapBarrier|))) is different from true [2023-02-15 19:28:35,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:28:35,994 INFO L321 Elim1Store]: treesize reduction 151, result has 32.9 percent of original size [2023-02-15 19:28:35,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 138 treesize of output 309 [2023-02-15 19:28:36,062 INFO L321 Elim1Store]: treesize reduction 55, result has 38.2 percent of original size [2023-02-15 19:28:36,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 83 treesize of output 217 [2023-02-15 19:28:36,159 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:28:36,174 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:28:36,177 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:28:36,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 236 [2023-02-15 19:28:36,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:28:36,458 INFO L321 Elim1Store]: treesize reduction 73, result has 29.1 percent of original size [2023-02-15 19:28:36,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 137 treesize of output 151 [2023-02-15 19:28:36,525 INFO L321 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2023-02-15 19:28:36,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 335 treesize of output 264 [2023-02-15 19:28:36,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 708 treesize of output 658 [2023-02-15 19:28:36,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 7 [2023-02-15 19:28:37,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 7 [2023-02-15 19:28:42,981 INFO L321 Elim1Store]: treesize reduction 357, result has 29.0 percent of original size [2023-02-15 19:28:42,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 6045 treesize of output 5751 [2023-02-15 19:28:43,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2023-02-15 19:28:44,137 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,171 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,226 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,240 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,256 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,272 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,336 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,367 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,382 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,400 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,416 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,495 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,509 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,540 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,694 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,703 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,725 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,741 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,802 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,817 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,960 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:44,991 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,000 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,013 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,079 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,103 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,122 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,167 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,298 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,338 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,346 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,377 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,393 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,470 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,486 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,505 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,521 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,539 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,586 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,616 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,631 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,651 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,756 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,764 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,787 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,803 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,862 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:45,878 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 19:28:50,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 548 treesize of output 528 [2023-02-15 19:28:52,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3409 treesize of output 3385 [2023-02-15 19:28:53,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-02-15 19:28:54,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-02-15 19:28:54,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-02-15 19:28:55,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 49 [2023-02-15 19:28:55,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-02-15 19:28:57,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-02-15 19:28:57,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 5101 treesize of output 5033 [2023-02-15 19:29:06,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2023-02-15 19:29:07,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:29:07,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-02-15 19:29:07,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2023-02-15 19:29:07,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2023-02-15 19:29:08,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2023-02-15 19:29:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:29:09,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-02-15 19:29:09,655 INFO L321 Elim1Store]: treesize reduction 98, result has 35.9 percent of original size [2023-02-15 19:29:09,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 7549 treesize of output 7502 [2023-02-15 19:29:24,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 67 treesize of output 60 [2023-02-15 19:29:24,687 INFO L321 Elim1Store]: treesize reduction 48, result has 9.4 percent of original size [2023-02-15 19:29:24,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 133 treesize of output 137 [2023-02-15 19:29:24,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 56 [2023-02-15 19:29:25,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 61 treesize of output 56 [2023-02-15 19:29:26,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 61 treesize of output 56 [2023-02-15 19:29:31,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 61 treesize of output 56 [2023-02-15 19:29:32,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 61 treesize of output 56 [2023-02-15 19:29:33,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 85 [2023-02-15 19:29:34,322 INFO L321 Elim1Store]: treesize reduction 48, result has 9.4 percent of original size [2023-02-15 19:29:34,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 129 treesize of output 133 [2023-02-15 19:30:46,949 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 19:30:46,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 11182 treesize of output 11900