./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2c_append_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 574ddb4e 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/list-simple/dll2c_append_unequal.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 9aabbeff87ba819b44dc608a3105d0ba81b71cd88693ecf2e6bf3860a7863e64 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-18 14:32:28,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 14:32:28,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 14:32:28,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 14:32:28,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 14:32:28,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 14:32:28,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 14:32:28,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 14:32:28,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 14:32:28,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 14:32:28,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 14:32:28,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 14:32:28,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 14:32:28,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 14:32:28,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 14:32:28,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 14:32:28,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 14:32:28,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 14:32:28,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 14:32:28,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 14:32:28,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 14:32:28,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 14:32:28,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 14:32:28,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 14:32:28,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 14:32:28,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 14:32:28,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 14:32:28,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 14:32:28,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 14:32:28,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 14:32:28,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 14:32:28,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 14:32:28,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 14:32:28,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 14:32:28,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 14:32:28,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 14:32:28,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 14:32:28,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 14:32:28,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 14:32:28,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 14:32:28,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 14:32:28,378 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-18 14:32:28,399 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 14:32:28,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 14:32:28,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 14:32:28,400 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 14:32:28,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 14:32:28,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 14:32:28,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 14:32:28,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 14:32:28,401 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 14:32:28,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 14:32:28,402 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 14:32:28,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 14:32:28,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 14:32:28,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 14:32:28,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 14:32:28,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 14:32:28,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 14:32:28,403 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 14:32:28,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 14:32:28,403 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 14:32:28,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 14:32:28,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 14:32:28,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 14:32:28,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 14:32:28,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 14:32:28,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 14:32:28,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 14:32:28,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 14:32:28,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 14:32:28,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 14:32:28,405 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 14:32:28,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 14:32:28,406 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 14:32:28,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 14:32:28,406 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 14:32:28,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aabbeff87ba819b44dc608a3105d0ba81b71cd88693ecf2e6bf3860a7863e64 [2023-02-18 14:32:28,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 14:32:28,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 14:32:28,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 14:32:28,615 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 14:32:28,615 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 14:32:28,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2023-02-18 14:32:29,490 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 14:32:29,739 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 14:32:29,740 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2023-02-18 14:32:29,747 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81fce168e/d71287b3f5e94d1a86813023b494c134/FLAG4f616b3e3 [2023-02-18 14:32:29,759 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81fce168e/d71287b3f5e94d1a86813023b494c134 [2023-02-18 14:32:29,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 14:32:29,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 14:32:29,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 14:32:29,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 14:32:29,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 14:32:29,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 02:32:29" (1/1) ... [2023-02-18 14:32:29,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba04159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:32:29, skipping insertion in model container [2023-02-18 14:32:29,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 02:32:29" (1/1) ... [2023-02-18 14:32:29,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 14:32:29,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 14:32:30,038 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/list-simple/dll2c_append_unequal.i[24672,24685] [2023-02-18 14:32:30,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 14:32:30,052 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 14:32:30,081 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/list-simple/dll2c_append_unequal.i[24672,24685] [2023-02-18 14:32:30,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 14:32:30,100 INFO L208 MainTranslator]: Completed translation [2023-02-18 14:32:30,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:32:30 WrapperNode [2023-02-18 14:32:30,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 14:32:30,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 14:32:30,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 14:32:30,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 14:32:30,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:32:30" (1/1) ... [2023-02-18 14:32:30,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:32:30" (1/1) ... [2023-02-18 14:32:30,140 INFO L138 Inliner]: procedures = 127, calls = 49, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 146 [2023-02-18 14:32:30,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 14:32:30,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 14:32:30,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 14:32:30,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 14:32:30,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:32:30" (1/1) ... [2023-02-18 14:32:30,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:32:30" (1/1) ... [2023-02-18 14:32:30,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:32:30" (1/1) ... [2023-02-18 14:32:30,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:32:30" (1/1) ... [2023-02-18 14:32:30,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:32:30" (1/1) ... [2023-02-18 14:32:30,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:32:30" (1/1) ... [2023-02-18 14:32:30,177 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:32:30" (1/1) ... [2023-02-18 14:32:30,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:32:30" (1/1) ... [2023-02-18 14:32:30,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 14:32:30,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 14:32:30,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 14:32:30,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 14:32:30,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:32:30" (1/1) ... [2023-02-18 14:32:30,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 14:32:30,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 14:32:30,225 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) [2023-02-18 14:32:30,231 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 [2023-02-18 14:32:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-18 14:32:30,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-18 14:32:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2023-02-18 14:32:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2023-02-18 14:32:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-18 14:32:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 14:32:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-18 14:32:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-02-18 14:32:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-02-18 14:32:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-18 14:32:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-18 14:32:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 14:32:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 14:32:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 14:32:30,415 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 14:32:30,417 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 14:32:30,659 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 14:32:30,663 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 14:32:30,663 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-02-18 14:32:30,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 02:32:30 BoogieIcfgContainer [2023-02-18 14:32:30,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 14:32:30,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 14:32:30,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 14:32:30,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 14:32:30,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 02:32:29" (1/3) ... [2023-02-18 14:32:30,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccefaca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 02:32:30, skipping insertion in model container [2023-02-18 14:32:30,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:32:30" (2/3) ... [2023-02-18 14:32:30,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccefaca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 02:32:30, skipping insertion in model container [2023-02-18 14:32:30,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 02:32:30" (3/3) ... [2023-02-18 14:32:30,669 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_append_unequal.i [2023-02-18 14:32:30,683 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 14:32:30,683 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 14:32:30,721 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 14:32:30,725 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;@55c45193, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 14:32:30,726 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 14:32:30,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-18 14:32:30,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-18 14:32:30,735 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 14:32:30,736 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 14:32:30,736 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 14:32:30,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 14:32:30,741 INFO L85 PathProgramCache]: Analyzing trace with hash -140887327, now seen corresponding path program 1 times [2023-02-18 14:32:30,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 14:32:30,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624147290] [2023-02-18 14:32:30,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 14:32:30,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 14:32:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:30,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 14:32:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:31,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-02-18 14:32:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:31,042 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-02-18 14:32:31,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 14:32:31,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624147290] [2023-02-18 14:32:31,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624147290] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 14:32:31,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 14:32:31,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 14:32:31,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793836401] [2023-02-18 14:32:31,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 14:32:31,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 14:32:31,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 14:32:31,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 14:32:31,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 14:32:31,071 INFO L87 Difference]: Start difference. First operand has 37 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-18 14:32:31,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 14:32:31,133 INFO L93 Difference]: Finished difference Result 65 states and 88 transitions. [2023-02-18 14:32:31,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 14:32:31,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2023-02-18 14:32:31,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 14:32:31,141 INFO L225 Difference]: With dead ends: 65 [2023-02-18 14:32:31,141 INFO L226 Difference]: Without dead ends: 29 [2023-02-18 14:32:31,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 14:32:31,146 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 14:32:31,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 14:32:31,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-02-18 14:32:31,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-02-18 14:32:31,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.25) internal successors, (30), 24 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-18 14:32:31,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2023-02-18 14:32:31,170 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 24 [2023-02-18 14:32:31,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 14:32:31,171 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2023-02-18 14:32:31,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-18 14:32:31,171 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-02-18 14:32:31,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-18 14:32:31,172 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 14:32:31,172 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 14:32:31,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 14:32:31,173 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 14:32:31,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 14:32:31,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1735775636, now seen corresponding path program 1 times [2023-02-18 14:32:31,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 14:32:31,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649638104] [2023-02-18 14:32:31,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 14:32:31,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 14:32:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 14:32:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-02-18 14:32:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:31,368 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-02-18 14:32:31,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 14:32:31,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649638104] [2023-02-18 14:32:31,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649638104] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 14:32:31,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 14:32:31,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 14:32:31,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310082265] [2023-02-18 14:32:31,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 14:32:31,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 14:32:31,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 14:32:31,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 14:32:31,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 14:32:31,378 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-18 14:32:31,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 14:32:31,418 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2023-02-18 14:32:31,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 14:32:31,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2023-02-18 14:32:31,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 14:32:31,419 INFO L225 Difference]: With dead ends: 54 [2023-02-18 14:32:31,419 INFO L226 Difference]: Without dead ends: 34 [2023-02-18 14:32:31,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 14:32:31,421 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 4 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 14:32:31,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 79 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 14:32:31,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-02-18 14:32:31,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2023-02-18 14:32:31,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-18 14:32:31,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2023-02-18 14:32:31,426 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 24 [2023-02-18 14:32:31,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 14:32:31,426 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2023-02-18 14:32:31,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-18 14:32:31,426 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-02-18 14:32:31,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-18 14:32:31,427 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 14:32:31,427 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-02-18 14:32:31,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 14:32:31,428 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 14:32:31,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 14:32:31,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1055008088, now seen corresponding path program 1 times [2023-02-18 14:32:31,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 14:32:31,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049718126] [2023-02-18 14:32:31,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 14:32:31,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 14:32:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:31,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 14:32:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:31,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 14:32:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-02-18 14:32:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:31,843 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-18 14:32:31,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 14:32:31,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049718126] [2023-02-18 14:32:31,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049718126] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 14:32:31,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995566948] [2023-02-18 14:32:31,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 14:32:31,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 14:32:31,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 14:32:31,851 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) [2023-02-18 14:32:31,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 14:32:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:32,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 38 conjunts are in the unsatisfiable core [2023-02-18 14:32:32,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 14:32:32,178 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 8 treesize of output 4 [2023-02-18 14:32:32,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:32,245 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 15 treesize of output 17 [2023-02-18 14:32:32,270 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 [2023-02-18 14:32:32,284 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-18 14:32:32,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 14:32:32,318 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_dll_circular_append_#t~ret9#1.base_8| Int) (v_ArrVal_460 (Array Int Int))) (or (not (< |v_ULTIMATE.start_dll_circular_append_#t~ret9#1.base_8| |c_#StackHeapBarrier|)) (not (= 0 (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_dll_circular_append_#t~ret9#1.base_8| v_ArrVal_460) |c_ULTIMATE.start_dll_circular_append_~head#1.base|) |c_ULTIMATE.start_dll_circular_append_~head#1.offset|))))) is different from false [2023-02-18 14:32:32,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995566948] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 14:32:32,320 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 14:32:32,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2023-02-18 14:32:32,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056332955] [2023-02-18 14:32:32,321 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 14:32:32,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-02-18 14:32:32,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 14:32:32,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-02-18 14:32:32,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=572, Unknown=1, NotChecked=48, Total=702 [2023-02-18 14:32:32,325 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand has 25 states, 23 states have (on average 1.9130434782608696) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2023-02-18 14:32:32,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 14:32:32,664 INFO L93 Difference]: Finished difference Result 59 states and 74 transitions. [2023-02-18 14:32:32,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-02-18 14:32:32,664 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 1.9130434782608696) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 34 [2023-02-18 14:32:32,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 14:32:32,665 INFO L225 Difference]: With dead ends: 59 [2023-02-18 14:32:32,665 INFO L226 Difference]: Without dead ends: 34 [2023-02-18 14:32:32,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=949, Unknown=1, NotChecked=64, Total=1190 [2023-02-18 14:32:32,666 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 110 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 14:32:32,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 217 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 14:32:32,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-02-18 14:32:32,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2023-02-18 14:32:32,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-18 14:32:32,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2023-02-18 14:32:32,670 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 34 [2023-02-18 14:32:32,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 14:32:32,671 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2023-02-18 14:32:32,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 1.9130434782608696) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2023-02-18 14:32:32,671 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2023-02-18 14:32:32,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-18 14:32:32,671 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 14:32:32,672 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-02-18 14:32:32,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-18 14:32:32,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 14:32:32,883 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 14:32:32,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 14:32:32,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1053161046, now seen corresponding path program 1 times [2023-02-18 14:32:32,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 14:32:32,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924531337] [2023-02-18 14:32:32,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 14:32:32,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 14:32:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:38,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-18 14:32:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-02-18 14:32:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:38,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-02-18 14:32:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:38,694 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-02-18 14:32:38,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 14:32:38,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924531337] [2023-02-18 14:32:38,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924531337] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 14:32:38,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389656987] [2023-02-18 14:32:38,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 14:32:38,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 14:32:38,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 14:32:38,705 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) [2023-02-18 14:32:38,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-18 14:32:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 14:32:39,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 247 conjunts are in the unsatisfiable core [2023-02-18 14:32:39,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 14:32:39,536 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 6 treesize of output 5 [2023-02-18 14:32:39,634 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 5 treesize of output 3 [2023-02-18 14:32:39,686 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 13 treesize of output 9 [2023-02-18 14:32:39,721 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-18 14:32:39,721 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2023-02-18 14:32:39,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-02-18 14:32:39,802 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 16 treesize of output 18 [2023-02-18 14:32:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:39,889 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 26 treesize of output 23 [2023-02-18 14:32:39,891 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 18 treesize of output 22 [2023-02-18 14:32:39,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:39,897 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 16 treesize of output 16 [2023-02-18 14:32:39,901 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 10 treesize of output 9 [2023-02-18 14:32:39,995 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-18 14:32:39,996 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 133 treesize of output 52 [2023-02-18 14:32:39,999 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 7 treesize of output 3 [2023-02-18 14:32:40,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 25 treesize of output 19 [2023-02-18 14:32:40,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2023-02-18 14:32:40,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,133 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-18 14:32:40,133 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 142 treesize of output 130 [2023-02-18 14:32:40,140 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-18 14:32:40,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 62 [2023-02-18 14:32:40,146 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,150 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 20 treesize of output 22 [2023-02-18 14:32:40,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-02-18 14:32:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,334 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-18 14:32:40,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 1009 treesize of output 605 [2023-02-18 14:32:40,342 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-18 14:32:40,343 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 498 treesize of output 379 [2023-02-18 14:32:40,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,358 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-18 14:32:40,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 510 treesize of output 1608 [2023-02-18 14:32:40,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 1104 treesize of output 1028 [2023-02-18 14:32:40,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 376 treesize of output 349 [2023-02-18 14:32:40,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,438 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-18 14:32:40,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 1020 treesize of output 1126 [2023-02-18 14:32:40,464 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 16 treesize of output 15 [2023-02-18 14:32:40,501 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,507 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 88 [2023-02-18 14:32:40,540 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,561 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,583 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:32:40,624 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 99 treesize of output 90 [2023-02-18 14:32:40,667 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,688 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,703 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,724 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-18 14:32:40,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 426 treesize of output 585 [2023-02-18 14:32:40,755 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,794 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,809 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,816 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,818 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,822 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,823 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:32:40,827 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:33:10,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-18 14:33:10,485 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-18 14:33:10,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 259 treesize of output 415 [2023-02-18 14:33:10,522 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:33:10,533 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:33:10,537 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-18 14:33:10,556 WARN L207 Elim1Store]: Array PQE input equivalent to false