./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/max10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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/reducercommutativity/max10-1.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 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 09:24:46,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 09:24:46,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 09:24:46,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 09:24:46,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 09:24:46,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 09:24:46,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 09:24:46,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 09:24:46,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 09:24:46,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 09:24:46,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 09:24:46,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 09:24:46,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 09:24:46,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 09:24:46,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 09:24:46,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 09:24:46,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 09:24:46,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 09:24:46,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 09:24:46,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 09:24:46,539 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 09:24:46,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 09:24:46,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 09:24:46,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 09:24:46,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 09:24:46,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 09:24:46,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 09:24:46,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 09:24:46,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 09:24:46,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 09:24:46,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 09:24:46,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 09:24:46,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 09:24:46,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 09:24:46,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 09:24:46,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 09:24:46,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 09:24:46,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 09:24:46,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 09:24:46,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 09:24:46,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 09:24:46,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 09:24:46,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 09:24:46,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 09:24:46,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 09:24:46,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 09:24:46,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 09:24:46,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 09:24:46,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 09:24:46,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 09:24:46,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 09:24:46,603 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 09:24:46,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 09:24:46,604 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 09:24:46,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 09:24:46,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 09:24:46,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 09:24:46,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 09:24:46,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 09:24:46,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 09:24:46,606 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 09:24:46,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 09:24:46,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 09:24:46,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 09:24:46,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 09:24:46,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 09:24:46,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 09:24:46,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 09:24:46,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 09:24:46,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 09:24:46,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 09:24:46,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 09:24:46,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 09:24:46,609 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 09:24:46,609 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 09:24:46,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 09:24:46,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e [2022-07-19 09:24:46,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 09:24:46,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 09:24:46,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 09:24:46,894 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 09:24:46,895 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 09:24:46,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max10-1.i [2022-07-19 09:24:46,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2740b80f/d316e0ee0df54e0c8a99c7107f28b0a1/FLAG7a5ab0b58 [2022-07-19 09:24:47,359 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 09:24:47,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max10-1.i [2022-07-19 09:24:47,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2740b80f/d316e0ee0df54e0c8a99c7107f28b0a1/FLAG7a5ab0b58 [2022-07-19 09:24:47,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2740b80f/d316e0ee0df54e0c8a99c7107f28b0a1 [2022-07-19 09:24:47,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 09:24:47,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 09:24:47,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 09:24:47,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 09:24:47,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 09:24:47,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:24:47" (1/1) ... [2022-07-19 09:24:47,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d9b4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:47, skipping insertion in model container [2022-07-19 09:24:47,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:24:47" (1/1) ... [2022-07-19 09:24:47,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 09:24:47,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 09:24:48,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2022-07-19 09:24:48,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 09:24:48,011 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 09:24:48,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2022-07-19 09:24:48,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 09:24:48,041 INFO L208 MainTranslator]: Completed translation [2022-07-19 09:24:48,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:48 WrapperNode [2022-07-19 09:24:48,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 09:24:48,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 09:24:48,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 09:24:48,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 09:24:48,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:48" (1/1) ... [2022-07-19 09:24:48,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:48" (1/1) ... [2022-07-19 09:24:48,077 INFO L137 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2022-07-19 09:24:48,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 09:24:48,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 09:24:48,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 09:24:48,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 09:24:48,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:48" (1/1) ... [2022-07-19 09:24:48,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:48" (1/1) ... [2022-07-19 09:24:48,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:48" (1/1) ... [2022-07-19 09:24:48,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:48" (1/1) ... [2022-07-19 09:24:48,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:48" (1/1) ... [2022-07-19 09:24:48,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:48" (1/1) ... [2022-07-19 09:24:48,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:48" (1/1) ... [2022-07-19 09:24:48,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 09:24:48,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 09:24:48,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 09:24:48,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 09:24:48,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:48" (1/1) ... [2022-07-19 09:24:48,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 09:24:48,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:48,157 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) [2022-07-19 09:24:48,183 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 [2022-07-19 09:24:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 09:24:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure max [2022-07-19 09:24:48,201 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2022-07-19 09:24:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 09:24:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 09:24:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 09:24:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 09:24:48,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 09:24:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 09:24:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 09:24:48,279 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 09:24:48,281 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 09:24:48,467 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 09:24:48,488 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 09:24:48,489 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-19 09:24:48,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:24:48 BoogieIcfgContainer [2022-07-19 09:24:48,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 09:24:48,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 09:24:48,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 09:24:48,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 09:24:48,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:24:47" (1/3) ... [2022-07-19 09:24:48,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108dc820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:24:48, skipping insertion in model container [2022-07-19 09:24:48,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:48" (2/3) ... [2022-07-19 09:24:48,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108dc820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:24:48, skipping insertion in model container [2022-07-19 09:24:48,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:24:48" (3/3) ... [2022-07-19 09:24:48,511 INFO L111 eAbstractionObserver]: Analyzing ICFG max10-1.i [2022-07-19 09:24:48,525 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 09:24:48,528 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 09:24:48,581 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 09:24:48,598 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1b02b260, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4694f671 [2022-07-19 09:24:48,599 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 09:24:48,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 23 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) [2022-07-19 09:24:48,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-19 09:24:48,613 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:48,613 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] [2022-07-19 09:24:48,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:48,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:48,621 INFO L85 PathProgramCache]: Analyzing trace with hash -528134526, now seen corresponding path program 1 times [2022-07-19 09:24:48,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:48,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891088551] [2022-07-19 09:24:48,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:48,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:48,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 09:24:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:48,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 09:24:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 09:24:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:48,809 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 09:24:48,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:48,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891088551] [2022-07-19 09:24:48,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891088551] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 09:24:48,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 09:24:48,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 09:24:48,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693885872] [2022-07-19 09:24:48,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 09:24:48,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 09:24:48,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:48,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 09:24:48,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 09:24:48,855 INFO L87 Difference]: Start difference. First operand has 28 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 23 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) 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-19 09:24:48,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:48,879 INFO L93 Difference]: Finished difference Result 52 states and 71 transitions. [2022-07-19 09:24:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 09:24:48,882 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2022-07-19 09:24:48,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:48,888 INFO L225 Difference]: With dead ends: 52 [2022-07-19 09:24:48,888 INFO L226 Difference]: Without dead ends: 24 [2022-07-19 09:24:48,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 09:24:48,894 INFO L413 NwaCegarLoop]: 33 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, 33 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 [2022-07-19 09:24:48,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:48,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-07-19 09:24:48,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-07-19 09:24:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 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) [2022-07-19 09:24:48,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2022-07-19 09:24:48,931 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 28 [2022-07-19 09:24:48,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:48,931 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2022-07-19 09:24:48,932 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-19 09:24:48,933 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-07-19 09:24:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-19 09:24:48,936 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:48,936 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] [2022-07-19 09:24:48,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 09:24:48,938 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:48,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:48,939 INFO L85 PathProgramCache]: Analyzing trace with hash -321958693, now seen corresponding path program 1 times [2022-07-19 09:24:48,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:48,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504653809] [2022-07-19 09:24:48,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:48,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:49,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 09:24:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:49,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 09:24:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:49,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 09:24:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-19 09:24:49,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:49,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504653809] [2022-07-19 09:24:49,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504653809] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:49,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692827251] [2022-07-19 09:24:49,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:49,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:49,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:49,097 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) [2022-07-19 09:24:49,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 09:24:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:49,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 09:24:49,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:49,236 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 09:24:49,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 09:24:49,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692827251] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 09:24:49,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 09:24:49,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-19 09:24:49,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13099402] [2022-07-19 09:24:49,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 09:24:49,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 09:24:49,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:49,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 09:24:49,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 09:24:49,248 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-19 09:24:49,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:49,274 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2022-07-19 09:24:49,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 09:24:49,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2022-07-19 09:24:49,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:49,277 INFO L225 Difference]: With dead ends: 46 [2022-07-19 09:24:49,277 INFO L226 Difference]: Without dead ends: 26 [2022-07-19 09:24:49,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 09:24:49,279 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:49,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 52 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:49,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-07-19 09:24:49,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-07-19 09:24:49,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 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) [2022-07-19 09:24:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2022-07-19 09:24:49,292 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 28 [2022-07-19 09:24:49,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:49,292 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2022-07-19 09:24:49,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-19 09:24:49,293 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-07-19 09:24:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-19 09:24:49,294 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:49,294 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] [2022-07-19 09:24:49,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:49,511 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 [2022-07-19 09:24:49,511 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:49,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:49,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1777476163, now seen corresponding path program 1 times [2022-07-19 09:24:49,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:49,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289823318] [2022-07-19 09:24:49,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:49,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:49,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 09:24:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:49,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 09:24:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:49,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 09:24:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 09:24:49,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:49,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289823318] [2022-07-19 09:24:49,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289823318] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:49,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653367081] [2022-07-19 09:24:49,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:49,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:49,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:49,596 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) [2022-07-19 09:24:49,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 09:24:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:49,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 09:24:49,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:49,664 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 09:24:49,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 09:24:49,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653367081] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 09:24:49,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 09:24:49,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-19 09:24:49,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178489149] [2022-07-19 09:24:49,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 09:24:49,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 09:24:49,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:49,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 09:24:49,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 09:24:49,666 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 09:24:49,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:49,681 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2022-07-19 09:24:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 09:24:49,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2022-07-19 09:24:49,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:49,683 INFO L225 Difference]: With dead ends: 48 [2022-07-19 09:24:49,683 INFO L226 Difference]: Without dead ends: 29 [2022-07-19 09:24:49,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 09:24:49,684 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 4 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:49,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 50 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:49,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-07-19 09:24:49,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2022-07-19 09:24:49,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 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) [2022-07-19 09:24:49,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2022-07-19 09:24:49,689 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 30 [2022-07-19 09:24:49,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:49,690 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2022-07-19 09:24:49,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 09:24:49,690 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-07-19 09:24:49,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-07-19 09:24:49,691 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:49,691 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:49,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:49,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-07-19 09:24:49,908 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:49,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:49,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1540631384, now seen corresponding path program 1 times [2022-07-19 09:24:49,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:49,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854108955] [2022-07-19 09:24:49,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:49,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:49,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 09:24:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:49,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 09:24:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:50,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 09:24:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 09:24:50,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:50,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854108955] [2022-07-19 09:24:50,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854108955] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:50,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056052786] [2022-07-19 09:24:50,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:50,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:50,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:50,035 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 09:24:50,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 09:24:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:50,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 09:24:50,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:50,139 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 09:24:50,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 09:24:50,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056052786] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 09:24:50,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 09:24:50,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-07-19 09:24:50,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560047814] [2022-07-19 09:24:50,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 09:24:50,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 09:24:50,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:50,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 09:24:50,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-19 09:24:50,142 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 09:24:50,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:50,153 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2022-07-19 09:24:50,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 09:24:50,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2022-07-19 09:24:50,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:50,154 INFO L225 Difference]: With dead ends: 43 [2022-07-19 09:24:50,154 INFO L226 Difference]: Without dead ends: 28 [2022-07-19 09:24:50,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-19 09:24:50,172 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:50,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 51 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:50,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-07-19 09:24:50,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-07-19 09:24:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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) [2022-07-19 09:24:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2022-07-19 09:24:50,177 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 42 [2022-07-19 09:24:50,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:50,178 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2022-07-19 09:24:50,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 09:24:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-07-19 09:24:50,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-07-19 09:24:50,179 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:50,179 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:50,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:50,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:50,400 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:50,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:50,400 INFO L85 PathProgramCache]: Analyzing trace with hash -180199466, now seen corresponding path program 1 times [2022-07-19 09:24:50,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:50,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004214290] [2022-07-19 09:24:50,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:50,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:50,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 09:24:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:50,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 09:24:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:50,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 09:24:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-19 09:24:50,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:50,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004214290] [2022-07-19 09:24:50,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004214290] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:50,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683690532] [2022-07-19 09:24:50,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:50,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:50,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:50,499 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 09:24:50,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 09:24:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:50,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 09:24:50,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-19 09:24:50,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 09:24:50,666 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-19 09:24:50,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683690532] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 09:24:50,667 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 09:24:50,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2022-07-19 09:24:50,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123824600] [2022-07-19 09:24:50,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 09:24:50,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 09:24:50,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:50,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 09:24:50,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-07-19 09:24:50,669 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 09:24:50,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:50,704 INFO L93 Difference]: Finished difference Result 62 states and 80 transitions. [2022-07-19 09:24:50,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 09:24:50,705 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 44 [2022-07-19 09:24:50,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:50,706 INFO L225 Difference]: With dead ends: 62 [2022-07-19 09:24:50,706 INFO L226 Difference]: Without dead ends: 40 [2022-07-19 09:24:50,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-07-19 09:24:50,707 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 15 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:50,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 70 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:50,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-07-19 09:24:50,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2022-07-19 09:24:50,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 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) [2022-07-19 09:24:50,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2022-07-19 09:24:50,713 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 44 [2022-07-19 09:24:50,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:50,713 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2022-07-19 09:24:50,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 09:24:50,714 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-07-19 09:24:50,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-07-19 09:24:50,715 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:50,715 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:50,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:50,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:50,928 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:50,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:50,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1875433, now seen corresponding path program 2 times [2022-07-19 09:24:50,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:50,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467269238] [2022-07-19 09:24:50,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:50,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 09:24:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 09:24:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:51,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 09:24:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:51,037 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-07-19 09:24:51,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:51,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467269238] [2022-07-19 09:24:51,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467269238] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:51,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265448447] [2022-07-19 09:24:51,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 09:24:51,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:51,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:51,040 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 09:24:51,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-19 09:24:51,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-19 09:24:51,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 09:24:51,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-19 09:24:51,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-07-19 09:24:51,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 09:24:51,305 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-07-19 09:24:51,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265448447] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 09:24:51,307 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 09:24:51,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2022-07-19 09:24:51,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495229316] [2022-07-19 09:24:51,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 09:24:51,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-19 09:24:51,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:51,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-19 09:24:51,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-07-19 09:24:51,314 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-19 09:24:51,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:51,370 INFO L93 Difference]: Finished difference Result 78 states and 96 transitions. [2022-07-19 09:24:51,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-19 09:24:51,370 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2022-07-19 09:24:51,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:51,371 INFO L225 Difference]: With dead ends: 78 [2022-07-19 09:24:51,371 INFO L226 Difference]: Without dead ends: 52 [2022-07-19 09:24:51,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-07-19 09:24:51,373 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 17 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:51,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 93 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:51,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-07-19 09:24:51,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2022-07-19 09:24:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.108695652173913) internal successors, (51), 46 states have internal predecessors, (51), 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) [2022-07-19 09:24:51,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2022-07-19 09:24:51,381 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 62 [2022-07-19 09:24:51,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:51,381 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2022-07-19 09:24:51,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-19 09:24:51,382 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2022-07-19 09:24:51,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-07-19 09:24:51,383 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:51,384 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:51,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-07-19 09:24:51,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:51,603 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:51,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:51,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1341943393, now seen corresponding path program 3 times [2022-07-19 09:24:51,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:51,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961279453] [2022-07-19 09:24:51,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:51,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:51,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 09:24:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:51,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 09:24:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 09:24:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:51,773 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-07-19 09:24:51,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:51,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961279453] [2022-07-19 09:24:51,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961279453] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:51,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132734561] [2022-07-19 09:24:51,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-19 09:24:51,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:51,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:51,775 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 09:24:51,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-19 09:24:51,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-07-19 09:24:51,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 09:24:51,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 09:24:51,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:51,869 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-07-19 09:24:51,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 09:24:51,909 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-07-19 09:24:51,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132734561] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 09:24:51,910 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 09:24:51,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2022-07-19 09:24:51,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220339758] [2022-07-19 09:24:51,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 09:24:51,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 09:24:51,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:51,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 09:24:51,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-07-19 09:24:51,912 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-19 09:24:51,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:51,939 INFO L93 Difference]: Finished difference Result 94 states and 115 transitions. [2022-07-19 09:24:51,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 09:24:51,939 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 76 [2022-07-19 09:24:51,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:51,940 INFO L225 Difference]: With dead ends: 94 [2022-07-19 09:24:51,941 INFO L226 Difference]: Without dead ends: 67 [2022-07-19 09:24:51,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-07-19 09:24:51,942 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 40 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:51,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 58 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:51,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-07-19 09:24:51,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-07-19 09:24:51,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 62 states have internal predecessors, (71), 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) [2022-07-19 09:24:51,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 77 transitions. [2022-07-19 09:24:51,950 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 77 transitions. Word has length 76 [2022-07-19 09:24:51,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:51,950 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 77 transitions. [2022-07-19 09:24:51,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-19 09:24:51,951 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2022-07-19 09:24:51,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-19 09:24:51,952 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:51,952 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:51,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:52,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:52,176 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:52,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:52,177 INFO L85 PathProgramCache]: Analyzing trace with hash -28042803, now seen corresponding path program 4 times [2022-07-19 09:24:52,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:52,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117949713] [2022-07-19 09:24:52,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:52,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:52,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 09:24:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:52,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-19 09:24:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:52,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-19 09:24:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:52,352 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 0 proven. 386 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-07-19 09:24:52,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:52,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117949713] [2022-07-19 09:24:52,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117949713] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:52,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544639138] [2022-07-19 09:24:52,353 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-19 09:24:52,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:52,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:52,355 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 09:24:52,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-19 09:24:52,463 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-19 09:24:52,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 09:24:52,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-19 09:24:52,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 316 proven. 66 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2022-07-19 09:24:52,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 09:24:52,609 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 0 proven. 386 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-07-19 09:24:52,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544639138] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 09:24:52,610 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 09:24:52,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-07-19 09:24:52,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087895264] [2022-07-19 09:24:52,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 09:24:52,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 09:24:52,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:52,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 09:24:52,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-07-19 09:24:52,614 INFO L87 Difference]: Start difference. First operand 67 states and 77 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 09:24:52,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:52,659 INFO L93 Difference]: Finished difference Result 126 states and 155 transitions. [2022-07-19 09:24:52,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 09:24:52,659 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 124 [2022-07-19 09:24:52,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:52,660 INFO L225 Difference]: With dead ends: 126 [2022-07-19 09:24:52,661 INFO L226 Difference]: Without dead ends: 83 [2022-07-19 09:24:52,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-07-19 09:24:52,663 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 62 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:52,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 66 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:52,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-07-19 09:24:52,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-07-19 09:24:52,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 78 states have (on average 1.1666666666666667) internal successors, (91), 78 states have internal predecessors, (91), 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) [2022-07-19 09:24:52,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 97 transitions. [2022-07-19 09:24:52,681 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 97 transitions. Word has length 124 [2022-07-19 09:24:52,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:52,682 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 97 transitions. [2022-07-19 09:24:52,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 09:24:52,682 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 97 transitions. [2022-07-19 09:24:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-19 09:24:52,685 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:52,685 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:52,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:52,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:52,892 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:52,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:52,892 INFO L85 PathProgramCache]: Analyzing trace with hash -281100999, now seen corresponding path program 5 times [2022-07-19 09:24:52,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:52,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609944497] [2022-07-19 09:24:52,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:52,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:53,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 09:24:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:53,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 09:24:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 09:24:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:53,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1945 trivial. 0 not checked. [2022-07-19 09:24:53,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:53,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609944497] [2022-07-19 09:24:53,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609944497] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:53,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582548618] [2022-07-19 09:24:53,035 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-19 09:24:53,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:53,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:53,037 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 09:24:53,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-19 09:24:53,346 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2022-07-19 09:24:53,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 09:24:53,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 09:24:53,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:53,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 850 proven. 4 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-07-19 09:24:53,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 09:24:53,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1945 trivial. 0 not checked. [2022-07-19 09:24:53,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582548618] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 09:24:53,405 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 09:24:53,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-07-19 09:24:53,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837001631] [2022-07-19 09:24:53,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 09:24:53,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 09:24:53,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:53,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 09:24:53,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-07-19 09:24:53,407 INFO L87 Difference]: Start difference. First operand 83 states and 97 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 09:24:53,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:53,429 INFO L93 Difference]: Finished difference Result 142 states and 170 transitions. [2022-07-19 09:24:53,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 09:24:53,429 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 172 [2022-07-19 09:24:53,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:53,431 INFO L225 Difference]: With dead ends: 142 [2022-07-19 09:24:53,431 INFO L226 Difference]: Without dead ends: 91 [2022-07-19 09:24:53,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-07-19 09:24:53,432 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 9 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:53,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 51 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:53,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-19 09:24:53,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-07-19 09:24:53,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 86 states have (on average 1.1511627906976745) internal successors, (99), 86 states have internal predecessors, (99), 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) [2022-07-19 09:24:53,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2022-07-19 09:24:53,439 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 172 [2022-07-19 09:24:53,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:53,440 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2022-07-19 09:24:53,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 09:24:53,440 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2022-07-19 09:24:53,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-19 09:24:53,442 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:53,442 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 10, 10, 6, 6, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:53,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:53,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-07-19 09:24:53,656 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:53,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:53,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1450203185, now seen corresponding path program 6 times [2022-07-19 09:24:53,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:53,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409139940] [2022-07-19 09:24:53,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:53,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:53,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 09:24:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:53,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 09:24:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:53,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-19 09:24:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1945 trivial. 0 not checked. [2022-07-19 09:24:53,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:53,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409139940] [2022-07-19 09:24:53,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409139940] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:53,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262118661] [2022-07-19 09:24:53,809 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-19 09:24:53,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:53,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:53,811 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 09:24:53,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-19 09:24:54,199 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2022-07-19 09:24:54,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 09:24:54,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-19 09:24:54,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 850 proven. 36 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-07-19 09:24:54,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 09:24:54,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1945 trivial. 0 not checked. [2022-07-19 09:24:54,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262118661] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 09:24:54,293 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 09:24:54,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-07-19 09:24:54,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346484586] [2022-07-19 09:24:54,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 09:24:54,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 09:24:54,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:54,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 09:24:54,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-07-19 09:24:54,295 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 09:24:54,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:54,322 INFO L93 Difference]: Finished difference Result 148 states and 175 transitions. [2022-07-19 09:24:54,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 09:24:54,322 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 180 [2022-07-19 09:24:54,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:54,323 INFO L225 Difference]: With dead ends: 148 [2022-07-19 09:24:54,323 INFO L226 Difference]: Without dead ends: 97 [2022-07-19 09:24:54,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 362 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-07-19 09:24:54,325 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 9 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:54,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 99 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:54,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-07-19 09:24:54,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-07-19 09:24:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 92 states have (on average 1.141304347826087) internal successors, (105), 92 states have internal predecessors, (105), 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) [2022-07-19 09:24:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 111 transitions. [2022-07-19 09:24:54,332 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 111 transitions. Word has length 180 [2022-07-19 09:24:54,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:54,332 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 111 transitions. [2022-07-19 09:24:54,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 09:24:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 111 transitions. [2022-07-19 09:24:54,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-19 09:24:54,335 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:54,335 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 10, 10, 9, 9, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:54,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:54,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-19 09:24:54,551 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:54,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:54,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1435992661, now seen corresponding path program 7 times [2022-07-19 09:24:54,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:54,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001062849] [2022-07-19 09:24:54,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:54,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:54,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 09:24:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:55,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 09:24:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-19 09:24:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 38 proven. 1214 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2022-07-19 09:24:55,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:55,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001062849] [2022-07-19 09:24:55,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001062849] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:55,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510718042] [2022-07-19 09:24:55,337 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-07-19 09:24:55,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:55,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:55,340 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 09:24:55,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-19 09:24:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:55,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 167 conjunts are in the unsatisfiable core [2022-07-19 09:24:55,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:58,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:24:58,869 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-19 09:24:58,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 146 treesize of output 116 [2022-07-19 09:25:00,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 09:25:00,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,216 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-19 09:25:00,217 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 141 treesize of output 118 [2022-07-19 09:25:00,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,537 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-19 09:25:00,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 130 treesize of output 108 [2022-07-19 09:25:00,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 09:25:00,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,705 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-19 09:25:00,705 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 130 treesize of output 108 [2022-07-19 09:25:00,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 09:25:00,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:00,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,004 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-19 09:25:01,005 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 117 treesize of output 98 [2022-07-19 09:25:01,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 09:25:01,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,287 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-19 09:25:01,288 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 102 treesize of output 86 [2022-07-19 09:25:01,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 09:25:01,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,505 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-19 09:25:01,505 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 87 treesize of output 74 [2022-07-19 09:25:01,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 09:25:01,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,736 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-19 09:25:01,737 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 62 [2022-07-19 09:25:01,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 09:25:01,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:01,930 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-19 09:25:01,930 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3 case distinctions, treesize of input 57 treesize of output 50 [2022-07-19 09:25:02,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:02,109 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-19 09:25:02,109 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 49 treesize of output 30 [2022-07-19 09:25:02,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:02,226 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-19 09:25:02,226 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 40 treesize of output 27 [2022-07-19 09:25:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 8 proven. 1827 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-07-19 09:25:03,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 09:26:15,359 INFO L356 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2022-07-19 09:26:15,359 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 136 treesize of output 1 [2022-07-19 09:26:20,875 INFO L356 Elim1Store]: treesize reduction 698, result has 28.4 percent of original size [2022-07-19 09:26:20,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 183 treesize of output 304 [2022-07-19 09:26:24,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 588 proven. 1145 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2022-07-19 09:26:24,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510718042] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 09:26:24,428 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 09:26:24,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 83, 72] total 163 [2022-07-19 09:26:24,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329738178] [2022-07-19 09:26:24,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 09:26:24,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 163 states [2022-07-19 09:26:24,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:26:24,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2022-07-19 09:26:24,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1324, Invalid=25054, Unknown=28, NotChecked=0, Total=26406 [2022-07-19 09:26:24,439 INFO L87 Difference]: Start difference. First operand 97 states and 111 transitions. Second operand has 163 states, 160 states have (on average 1.81875) internal successors, (291), 159 states have internal predecessors, (291), 8 states have call successors, (8), 3 states have call predecessors, (8), 7 states have return successors, (9), 6 states have call predecessors, (9), 8 states have call successors, (9) [2022-07-19 09:27:36,330 WARN L833 $PredicateComparison]: unable to prove that (and (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (<= (select .cse0 |c_ULTIMATE.start_main_~#x~0#1.offset|) (select .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| 36)))) (forall ((v_ArrVal_477 Int) (v_ArrVal_487 Int) (v_ArrVal_475 Int) (v_ArrVal_485 Int) (v_ArrVal_473 Int) (v_ArrVal_472 Int) (v_ArrVal_483 Int) (v_ArrVal_482 Int) (v_ArrVal_479 Int)) (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|)) (.cse2 (* |c_ULTIMATE.start_main_~i~2#1| 4))) (or (<= |c_ULTIMATE.start_main_~temp~0#1| (select (store (store (store (store (store (store (store (store (store .cse1 (+ .cse2 |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_472) (+ .cse2 |c_ULTIMATE.start_main_~#x~0#1.offset| 4) v_ArrVal_473) (+ .cse2 |c_ULTIMATE.start_main_~#x~0#1.offset| 8) v_ArrVal_475) (+ .cse2 |c_ULTIMATE.start_main_~#x~0#1.offset| 12) v_ArrVal_477) (+ .cse2 16 |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_479) (+ .cse2 |c_ULTIMATE.start_main_~#x~0#1.offset| 20) v_ArrVal_482) (+ .cse2 |c_ULTIMATE.start_main_~#x~0#1.offset| 24) v_ArrVal_483) (+ .cse2 |c_ULTIMATE.start_main_~#x~0#1.offset| 28) v_ArrVal_485) (+ .cse2 32 |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_487) (+ 32 |c_ULTIMATE.start_main_~#x~0#1.offset|))) (not (<= (select .cse1 (+ .cse2 |c_ULTIMATE.start_main_~#x~0#1.offset| 36)) v_ArrVal_487)))))) is different from false [2022-07-19 09:28:30,580 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (let ((.cse0 (select .cse5 |c_ULTIMATE.start_main_~#x~0#1.offset|)) (.cse4 (select .cse5 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| 4))) (.cse1 (select .cse5 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| 36)))) (and (<= .cse0 .cse1) (forall ((v_ArrVal_477 Int) (v_ArrVal_487 Int) (v_ArrVal_475 Int) (v_ArrVal_485 Int) (v_ArrVal_473 Int) (v_ArrVal_472 Int) (v_ArrVal_483 Int) (v_ArrVal_482 Int) (v_ArrVal_479 Int)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|)) (.cse3 (* |c_ULTIMATE.start_main_~i~2#1| 4))) (or (<= |c_ULTIMATE.start_main_~temp~0#1| (select (store (store (store (store (store (store (store (store (store .cse2 (+ .cse3 |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_472) (+ .cse3 |c_ULTIMATE.start_main_~#x~0#1.offset| 4) v_ArrVal_473) (+ .cse3 |c_ULTIMATE.start_main_~#x~0#1.offset| 8) v_ArrVal_475) (+ .cse3 |c_ULTIMATE.start_main_~#x~0#1.offset| 12) v_ArrVal_477) (+ .cse3 16 |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_479) (+ .cse3 |c_ULTIMATE.start_main_~#x~0#1.offset| 20) v_ArrVal_482) (+ .cse3 |c_ULTIMATE.start_main_~#x~0#1.offset| 24) v_ArrVal_483) (+ .cse3 |c_ULTIMATE.start_main_~#x~0#1.offset| 28) v_ArrVal_485) (+ .cse3 32 |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_487) (+ 32 |c_ULTIMATE.start_main_~#x~0#1.offset|))) (not (<= (select .cse2 (+ .cse3 |c_ULTIMATE.start_main_~#x~0#1.offset| 36)) v_ArrVal_487))))) (<= (+ 1 .cse4) .cse0) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0) (<= .cse4 .cse1)))) is different from false [2022-07-19 09:28:33,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:28:33,048 INFO L93 Difference]: Finished difference Result 1020 states and 1297 transitions. [2022-07-19 09:28:33,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 631 states. [2022-07-19 09:28:33,049 INFO L78 Accepts]: Start accepts. Automaton has has 163 states, 160 states have (on average 1.81875) internal successors, (291), 159 states have internal predecessors, (291), 8 states have call successors, (8), 3 states have call predecessors, (8), 7 states have return successors, (9), 6 states have call predecessors, (9), 8 states have call successors, (9) Word has length 186 [2022-07-19 09:28:33,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:28:33,056 INFO L225 Difference]: With dead ends: 1020 [2022-07-19 09:28:33,056 INFO L226 Difference]: Without dead ends: 902 [2022-07-19 09:28:33,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 982 GetRequests, 281 SyntacticMatches, 3 SemanticMatches, 698 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 184581 ImplicationChecksByTransitivity, 203.4s TimeCoverageRelationStatistics Valid=17391, Invalid=469079, Unknown=44, NotChecked=2786, Total=489300 [2022-07-19 09:28:33,100 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 1370 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 6020 mSolverCounterSat, 609 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1376 SdHoareTripleChecker+Valid, 2510 SdHoareTripleChecker+Invalid, 28850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 609 IncrementalHoareTripleChecker+Valid, 6020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 22221 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-19 09:28:33,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1376 Valid, 2510 Invalid, 28850 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [609 Valid, 6020 Invalid, 0 Unknown, 22221 Unchecked, 4.6s Time] [2022-07-19 09:28:33,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2022-07-19 09:28:33,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 644. [2022-07-19 09:28:33,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 621 states have (on average 1.2254428341384862) internal successors, (761), 630 states have internal predecessors, (761), 10 states have call successors, (10), 3 states have call predecessors, (10), 12 states have return successors, (73), 10 states have call predecessors, (73), 10 states have call successors, (73) [2022-07-19 09:28:33,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 844 transitions. [2022-07-19 09:28:33,249 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 844 transitions. Word has length 186 [2022-07-19 09:28:33,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:28:33,250 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 844 transitions. [2022-07-19 09:28:33,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 163 states, 160 states have (on average 1.81875) internal successors, (291), 159 states have internal predecessors, (291), 8 states have call successors, (8), 3 states have call predecessors, (8), 7 states have return successors, (9), 6 states have call predecessors, (9), 8 states have call successors, (9) [2022-07-19 09:28:33,252 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 844 transitions. [2022-07-19 09:28:33,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-19 09:28:33,259 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:28:33,260 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 28, 10, 10, 9, 9, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:28:33,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-19 09:28:33,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-19 09:28:33,492 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:28:33,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:28:33,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1427363051, now seen corresponding path program 1 times [2022-07-19 09:28:33,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:28:33,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379694069] [2022-07-19 09:28:33,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:28:33,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:28:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:28:35,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 09:28:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:28:38,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 09:28:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:28:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-19 09:28:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:28:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 33 proven. 1946 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-07-19 09:28:41,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:28:41,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379694069] [2022-07-19 09:28:41,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379694069] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:28:41,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555960280] [2022-07-19 09:28:41,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:28:41,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:28:41,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:28:41,529 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 09:28:41,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-19 09:28:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:28:41,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 282 conjunts are in the unsatisfiable core [2022-07-19 09:28:41,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:28:41,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-07-19 09:28:50,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:28:50,850 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-19 09:28:50,850 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 186 treesize of output 130