./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-programs/partial_mod_count_limited_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 574ddb4e Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-programs/partial_mod_count_limited_4.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 66c26537aa176e76686ba25b67c86aedfbccc400319942d9855c43a2b470a76b --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-18 10:39:02,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 10:39:02,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 10:39:02,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 10:39:02,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 10:39:02,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 10:39:02,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 10:39:02,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 10:39:02,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 10:39:02,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 10:39:02,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 10:39:02,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 10:39:02,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 10:39:02,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 10:39:02,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 10:39:02,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 10:39:02,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 10:39:02,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 10:39:02,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 10:39:02,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 10:39:02,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 10:39:02,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 10:39:02,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 10:39:02,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 10:39:02,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 10:39:02,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 10:39:02,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 10:39:02,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 10:39:02,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 10:39:02,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 10:39:02,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 10:39:02,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 10:39:02,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 10:39:02,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 10:39:02,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 10:39:02,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 10:39:02,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 10:39:02,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 10:39:02,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 10:39:02,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 10:39:02,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 10:39:02,379 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-18 10:39:02,404 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 10:39:02,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 10:39:02,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 10:39:02,407 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 10:39:02,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 10:39:02,408 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 10:39:02,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 10:39:02,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 10:39:02,408 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 10:39:02,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 10:39:02,409 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 10:39:02,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 10:39:02,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 10:39:02,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 10:39:02,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 10:39:02,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 10:39:02,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 10:39:02,410 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 10:39:02,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 10:39:02,411 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 10:39:02,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 10:39:02,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 10:39:02,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 10:39:02,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 10:39:02,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 10:39:02,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 10:39:02,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 10:39:02,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 10:39:02,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 10:39:02,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 10:39:02,412 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 10:39:02,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 10:39:02,413 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 10:39:02,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 10:39:02,413 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 10:39:02,413 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66c26537aa176e76686ba25b67c86aedfbccc400319942d9855c43a2b470a76b [2023-02-18 10:39:02,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 10:39:02,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 10:39:02,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 10:39:02,626 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 10:39:02,627 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 10:39:02,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-programs/partial_mod_count_limited_4.c [2023-02-18 10:39:03,631 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 10:39:03,786 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 10:39:03,786 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-programs/partial_mod_count_limited_4.c [2023-02-18 10:39:03,790 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04d2f6503/21c98d9bc42049fe809bb761c9ae4ede/FLAG6083ee9fd [2023-02-18 10:39:03,798 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04d2f6503/21c98d9bc42049fe809bb761c9ae4ede [2023-02-18 10:39:03,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 10:39:03,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 10:39:03,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 10:39:03,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 10:39:03,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 10:39:03,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 10:39:03" (1/1) ... [2023-02-18 10:39:03,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b582c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:39:03, skipping insertion in model container [2023-02-18 10:39:03,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 10:39:03" (1/1) ... [2023-02-18 10:39:03,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 10:39:03,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 10:39:03,895 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-programs/partial_mod_count_limited_4.c[331,344] [2023-02-18 10:39:03,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 10:39:03,910 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 10:39:03,917 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-programs/partial_mod_count_limited_4.c[331,344] [2023-02-18 10:39:03,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 10:39:03,929 INFO L208 MainTranslator]: Completed translation [2023-02-18 10:39:03,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:39:03 WrapperNode [2023-02-18 10:39:03,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 10:39:03,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 10:39:03,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 10:39:03,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 10:39:03,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:39:03" (1/1) ... [2023-02-18 10:39:03,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:39:03" (1/1) ... [2023-02-18 10:39:03,949 INFO L138 Inliner]: procedures = 15, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2023-02-18 10:39:03,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 10:39:03,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 10:39:03,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 10:39:03,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 10:39:03,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:39:03" (1/1) ... [2023-02-18 10:39:03,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:39:03" (1/1) ... [2023-02-18 10:39:03,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:39:03" (1/1) ... [2023-02-18 10:39:03,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:39:03" (1/1) ... [2023-02-18 10:39:03,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:39:03" (1/1) ... [2023-02-18 10:39:03,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:39:03" (1/1) ... [2023-02-18 10:39:03,962 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:39:03" (1/1) ... [2023-02-18 10:39:03,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:39:03" (1/1) ... [2023-02-18 10:39:03,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 10:39:03,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 10:39:03,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 10:39:03,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 10:39:03,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:39:03" (1/1) ... [2023-02-18 10:39:03,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 10:39:03,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:39:03,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-18 10:39:04,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-18 10:39:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 10:39:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 10:39:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-18 10:39:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-18 10:39:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 10:39:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 10:39:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-18 10:39:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-18 10:39:04,066 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 10:39:04,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 10:39:04,214 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 10:39:04,217 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 10:39:04,217 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-18 10:39:04,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 10:39:04 BoogieIcfgContainer [2023-02-18 10:39:04,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 10:39:04,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 10:39:04,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 10:39:04,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 10:39:04,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 10:39:03" (1/3) ... [2023-02-18 10:39:04,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4792b580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 10:39:04, skipping insertion in model container [2023-02-18 10:39:04,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:39:03" (2/3) ... [2023-02-18 10:39:04,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4792b580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 10:39:04, skipping insertion in model container [2023-02-18 10:39:04,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 10:39:04" (3/3) ... [2023-02-18 10:39:04,224 INFO L112 eAbstractionObserver]: Analyzing ICFG partial_mod_count_limited_4.c [2023-02-18 10:39:04,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 10:39:04,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 10:39:04,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 10:39:04,288 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44e20e53, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 10:39:04,290 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 10:39:04,292 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:04,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 10:39:04,297 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 10:39:04,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 10:39:04,299 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 10:39:04,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 10:39:04,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1939796378, now seen corresponding path program 1 times [2023-02-18 10:39:04,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 10:39:04,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094965108] [2023-02-18 10:39:04,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:04,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 10:39:04,373 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 10:39:04,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1573412546] [2023-02-18 10:39:04,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:04,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:04,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:39:04,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 10:39:04,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 10:39:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 10:39:04,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-18 10:39:04,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 10:39:04,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 10:39:04,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 10:39:04,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 10:39:04,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094965108] [2023-02-18 10:39:04,464 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 10:39:04,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573412546] [2023-02-18 10:39:04,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573412546] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 10:39:04,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 10:39:04,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 10:39:04,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708806351] [2023-02-18 10:39:04,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 10:39:04,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-18 10:39:04,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 10:39:04,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-18 10:39:04,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-18 10:39:04,489 INFO L87 Difference]: Start difference. First operand has 22 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:04,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 10:39:04,499 INFO L93 Difference]: Finished difference Result 41 states and 56 transitions. [2023-02-18 10:39:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-18 10:39:04,501 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-18 10:39:04,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 10:39:04,505 INFO L225 Difference]: With dead ends: 41 [2023-02-18 10:39:04,505 INFO L226 Difference]: Without dead ends: 18 [2023-02-18 10:39:04,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-18 10:39:04,509 INFO L413 NwaCegarLoop]: 26 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, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 10:39:04,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 10:39:04,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-02-18 10:39:04,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-02-18 10:39:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:04,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2023-02-18 10:39:04,534 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2023-02-18 10:39:04,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 10:39:04,535 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-02-18 10:39:04,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-02-18 10:39:04,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 10:39:04,535 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 10:39:04,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 10:39:04,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-18 10:39:04,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-02-18 10:39:04,741 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 10:39:04,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 10:39:04,742 INFO L85 PathProgramCache]: Analyzing trace with hash -54935082, now seen corresponding path program 1 times [2023-02-18 10:39:04,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 10:39:04,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951331419] [2023-02-18 10:39:04,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:04,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 10:39:04,753 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 10:39:04,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1688713986] [2023-02-18 10:39:04,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:04,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:04,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:39:04,763 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 10:39:04,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-18 10:39:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 10:39:04,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-18 10:39:04,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 10:39:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 10:39:04,865 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 10:39:04,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 10:39:04,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951331419] [2023-02-18 10:39:04,880 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 10:39:04,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688713986] [2023-02-18 10:39:04,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688713986] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 10:39:04,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 10:39:04,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 10:39:04,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477405881] [2023-02-18 10:39:04,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 10:39:04,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 10:39:04,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 10:39:04,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 10:39:04,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-18 10:39:04,888 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:04,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 10:39:04,936 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2023-02-18 10:39:04,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 10:39:04,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-18 10:39:04,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 10:39:04,939 INFO L225 Difference]: With dead ends: 45 [2023-02-18 10:39:04,939 INFO L226 Difference]: Without dead ends: 31 [2023-02-18 10:39:04,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-18 10:39:04,940 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 32 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 10:39:04,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 21 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 10:39:04,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-02-18 10:39:04,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 20. [2023-02-18 10:39:04,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:04,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2023-02-18 10:39:04,950 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 11 [2023-02-18 10:39:04,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 10:39:04,950 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2023-02-18 10:39:04,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:04,950 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-02-18 10:39:04,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-18 10:39:04,951 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 10:39:04,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 10:39:04,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-02-18 10:39:05,156 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,SelfDestructingSolverStorable1 [2023-02-18 10:39:05,157 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 10:39:05,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 10:39:05,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1485448361, now seen corresponding path program 1 times [2023-02-18 10:39:05,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 10:39:05,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117276332] [2023-02-18 10:39:05,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:05,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 10:39:05,167 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 10:39:05,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [387277362] [2023-02-18 10:39:05,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:05,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:05,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:39:05,185 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 10:39:05,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-18 10:39:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 10:39:05,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-18 10:39:05,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 10:39:05,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 10:39:05,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 10:39:05,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 10:39:05,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 10:39:05,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117276332] [2023-02-18 10:39:05,324 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 10:39:05,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387277362] [2023-02-18 10:39:05,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387277362] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 10:39:05,325 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 10:39:05,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-02-18 10:39:05,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596741003] [2023-02-18 10:39:05,325 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 10:39:05,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-18 10:39:05,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 10:39:05,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-18 10:39:05,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-02-18 10:39:05,327 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:05,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 10:39:05,408 INFO L93 Difference]: Finished difference Result 73 states and 92 transitions. [2023-02-18 10:39:05,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-18 10:39:05,409 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-02-18 10:39:05,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 10:39:05,410 INFO L225 Difference]: With dead ends: 73 [2023-02-18 10:39:05,410 INFO L226 Difference]: Without dead ends: 59 [2023-02-18 10:39:05,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2023-02-18 10:39:05,411 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 163 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 10:39:05,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 38 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 10:39:05,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-02-18 10:39:05,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 34. [2023-02-18 10:39:05,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:05,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2023-02-18 10:39:05,415 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 16 [2023-02-18 10:39:05,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 10:39:05,415 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2023-02-18 10:39:05,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:05,416 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-02-18 10:39:05,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-02-18 10:39:05,416 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 10:39:05,416 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 10:39:05,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-18 10:39:05,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:05,622 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 10:39:05,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 10:39:05,623 INFO L85 PathProgramCache]: Analyzing trace with hash -35725226, now seen corresponding path program 1 times [2023-02-18 10:39:05,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 10:39:05,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077155625] [2023-02-18 10:39:05,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:05,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 10:39:05,634 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 10:39:05,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1986759515] [2023-02-18 10:39:05,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:05,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:05,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:39:05,662 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 10:39:05,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-18 10:39:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 10:39:05,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-18 10:39:05,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 10:39:05,812 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 10:39:05,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 10:39:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 10:39:05,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 10:39:05,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077155625] [2023-02-18 10:39:05,867 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 10:39:05,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986759515] [2023-02-18 10:39:05,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986759515] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 10:39:05,867 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 10:39:05,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2023-02-18 10:39:05,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683764099] [2023-02-18 10:39:05,868 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 10:39:05,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-18 10:39:05,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 10:39:05,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-18 10:39:05,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2023-02-18 10:39:05,871 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 14 states, 14 states have (on average 4.0) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:06,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 10:39:06,055 INFO L93 Difference]: Finished difference Result 155 states and 195 transitions. [2023-02-18 10:39:06,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-18 10:39:06,058 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.0) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2023-02-18 10:39:06,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 10:39:06,062 INFO L225 Difference]: With dead ends: 155 [2023-02-18 10:39:06,062 INFO L226 Difference]: Without dead ends: 137 [2023-02-18 10:39:06,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=191, Unknown=0, NotChecked=0, Total=342 [2023-02-18 10:39:06,067 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 310 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 10:39:06,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 87 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 10:39:06,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-02-18 10:39:06,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 64. [2023-02-18 10:39:06,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.2857142857142858) internal successors, (81), 63 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2023-02-18 10:39:06,076 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 31 [2023-02-18 10:39:06,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 10:39:06,077 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2023-02-18 10:39:06,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.0) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:06,078 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-02-18 10:39:06,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-02-18 10:39:06,080 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 10:39:06,080 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 10:39:06,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-02-18 10:39:06,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:06,285 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 10:39:06,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 10:39:06,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1147663820, now seen corresponding path program 2 times [2023-02-18 10:39:06,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 10:39:06,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156450940] [2023-02-18 10:39:06,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:06,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 10:39:06,316 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 10:39:06,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [171987904] [2023-02-18 10:39:06,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 10:39:06,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:06,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:39:06,326 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 10:39:06,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-18 10:39:06,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-02-18 10:39:06,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 10:39:06,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-18 10:39:06,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 10:39:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-02-18 10:39:06,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 10:39:06,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 10:39:06,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156450940] [2023-02-18 10:39:06,513 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 10:39:06,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171987904] [2023-02-18 10:39:06,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171987904] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 10:39:06,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 10:39:06,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 10:39:06,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740938400] [2023-02-18 10:39:06,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 10:39:06,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 10:39:06,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 10:39:06,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 10:39:06,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-18 10:39:06,515 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:06,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 10:39:06,559 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2023-02-18 10:39:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 10:39:06,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2023-02-18 10:39:06,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 10:39:06,561 INFO L225 Difference]: With dead ends: 76 [2023-02-18 10:39:06,562 INFO L226 Difference]: Without dead ends: 74 [2023-02-18 10:39:06,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-02-18 10:39:06,564 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 10:39:06,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 32 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 10:39:06,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-02-18 10:39:06,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2023-02-18 10:39:06,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.2753623188405796) internal successors, (88), 69 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:06,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 88 transitions. [2023-02-18 10:39:06,580 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 88 transitions. Word has length 61 [2023-02-18 10:39:06,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 10:39:06,581 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 88 transitions. [2023-02-18 10:39:06,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:06,581 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2023-02-18 10:39:06,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-02-18 10:39:06,582 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 10:39:06,582 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 10:39:06,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-18 10:39:06,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:06,788 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 10:39:06,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 10:39:06,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1147723402, now seen corresponding path program 1 times [2023-02-18 10:39:06,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 10:39:06,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18314078] [2023-02-18 10:39:06,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:06,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 10:39:06,803 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 10:39:06,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [939198299] [2023-02-18 10:39:06,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:06,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:06,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:39:06,820 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 10:39:06,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-18 10:39:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 10:39:06,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjunts are in the unsatisfiable core [2023-02-18 10:39:06,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 10:39:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 10:39:06,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 10:39:07,081 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 10:39:07,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 10:39:07,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18314078] [2023-02-18 10:39:07,082 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 10:39:07,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939198299] [2023-02-18 10:39:07,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939198299] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 10:39:07,082 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 10:39:07,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2023-02-18 10:39:07,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399715870] [2023-02-18 10:39:07,082 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 10:39:07,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-02-18 10:39:07,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 10:39:07,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-02-18 10:39:07,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=347, Unknown=0, NotChecked=0, Total=650 [2023-02-18 10:39:07,084 INFO L87 Difference]: Start difference. First operand 70 states and 88 transitions. Second operand has 26 states, 26 states have (on average 4.461538461538462) internal successors, (116), 25 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:07,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 10:39:07,463 INFO L93 Difference]: Finished difference Result 463 states and 570 transitions. [2023-02-18 10:39:07,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-02-18 10:39:07,464 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.461538461538462) internal successors, (116), 25 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2023-02-18 10:39:07,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 10:39:07,465 INFO L225 Difference]: With dead ends: 463 [2023-02-18 10:39:07,465 INFO L226 Difference]: Without dead ends: 424 [2023-02-18 10:39:07,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=589, Invalid=743, Unknown=0, NotChecked=0, Total=1332 [2023-02-18 10:39:07,466 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 724 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 10:39:07,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 184 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 10:39:07,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2023-02-18 10:39:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 130. [2023-02-18 10:39:07,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.2868217054263567) internal successors, (166), 129 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 166 transitions. [2023-02-18 10:39:07,474 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 166 transitions. Word has length 61 [2023-02-18 10:39:07,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 10:39:07,475 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 166 transitions. [2023-02-18 10:39:07,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.461538461538462) internal successors, (116), 25 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:07,475 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 166 transitions. [2023-02-18 10:39:07,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-02-18 10:39:07,476 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 10:39:07,476 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 10:39:07,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-18 10:39:07,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:07,682 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 10:39:07,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 10:39:07,683 INFO L85 PathProgramCache]: Analyzing trace with hash 4942966, now seen corresponding path program 2 times [2023-02-18 10:39:07,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 10:39:07,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685879694] [2023-02-18 10:39:07,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:07,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 10:39:07,705 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 10:39:07,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1669953860] [2023-02-18 10:39:07,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 10:39:07,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:07,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:39:07,710 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 10:39:07,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-18 10:39:07,800 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-02-18 10:39:07,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 10:39:07,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 14 conjunts are in the unsatisfiable core [2023-02-18 10:39:07,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 10:39:07,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2023-02-18 10:39:07,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 10:39:07,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 10:39:07,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685879694] [2023-02-18 10:39:07,885 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 10:39:07,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669953860] [2023-02-18 10:39:07,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669953860] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 10:39:07,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 10:39:07,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-18 10:39:07,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681809199] [2023-02-18 10:39:07,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 10:39:07,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-18 10:39:07,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 10:39:07,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-18 10:39:07,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-18 10:39:07,887 INFO L87 Difference]: Start difference. First operand 130 states and 166 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:07,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 10:39:07,994 INFO L93 Difference]: Finished difference Result 143 states and 181 transitions. [2023-02-18 10:39:07,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-18 10:39:07,995 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2023-02-18 10:39:07,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 10:39:07,996 INFO L225 Difference]: With dead ends: 143 [2023-02-18 10:39:07,996 INFO L226 Difference]: Without dead ends: 141 [2023-02-18 10:39:07,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-02-18 10:39:07,997 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 41 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 10:39:07,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 47 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 10:39:07,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-02-18 10:39:08,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 136. [2023-02-18 10:39:08,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.2814814814814814) internal successors, (173), 135 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:08,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 173 transitions. [2023-02-18 10:39:08,010 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 173 transitions. Word has length 121 [2023-02-18 10:39:08,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 10:39:08,011 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 173 transitions. [2023-02-18 10:39:08,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:08,011 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 173 transitions. [2023-02-18 10:39:08,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-02-18 10:39:08,018 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 10:39:08,019 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 11, 11, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 10:39:08,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-18 10:39:08,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:08,225 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 10:39:08,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 10:39:08,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1531894057, now seen corresponding path program 1 times [2023-02-18 10:39:08,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 10:39:08,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112890689] [2023-02-18 10:39:08,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:08,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 10:39:08,240 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 10:39:08,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1953546251] [2023-02-18 10:39:08,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:08,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:08,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:39:08,242 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) [2023-02-18 10:39:08,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-18 10:39:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 10:39:08,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 25 conjunts are in the unsatisfiable core [2023-02-18 10:39:08,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 10:39:08,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-18 10:39:08,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 10:39:08,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-18 10:39:08,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 10:39:08,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112890689] [2023-02-18 10:39:08,996 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 10:39:08,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953546251] [2023-02-18 10:39:08,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953546251] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 10:39:08,996 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 10:39:08,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 49 [2023-02-18 10:39:08,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441241621] [2023-02-18 10:39:08,996 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 10:39:08,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-02-18 10:39:08,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 10:39:08,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-02-18 10:39:08,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1179, Invalid=1271, Unknown=0, NotChecked=0, Total=2450 [2023-02-18 10:39:08,998 INFO L87 Difference]: Start difference. First operand 136 states and 173 transitions. Second operand has 50 states, 50 states have (on average 4.78) internal successors, (239), 49 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:10,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 10:39:10,189 INFO L93 Difference]: Finished difference Result 1222 states and 1488 transitions. [2023-02-18 10:39:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-02-18 10:39:10,192 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 4.78) internal successors, (239), 49 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2023-02-18 10:39:10,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 10:39:10,204 INFO L225 Difference]: With dead ends: 1222 [2023-02-18 10:39:10,204 INFO L226 Difference]: Without dead ends: 1147 [2023-02-18 10:39:10,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=2329, Invalid=2927, Unknown=0, NotChecked=0, Total=5256 [2023-02-18 10:39:10,212 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1938 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1938 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-18 10:39:10,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1938 Valid, 377 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-18 10:39:10,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2023-02-18 10:39:10,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 256. [2023-02-18 10:39:10,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.2901960784313726) internal successors, (329), 255 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:10,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 329 transitions. [2023-02-18 10:39:10,243 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 329 transitions. Word has length 127 [2023-02-18 10:39:10,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 10:39:10,244 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 329 transitions. [2023-02-18 10:39:10,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.78) internal successors, (239), 49 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:10,244 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 329 transitions. [2023-02-18 10:39:10,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-02-18 10:39:10,246 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 10:39:10,247 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 46, 23, 23, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 10:39:10,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-18 10:39:10,452 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,SelfDestructingSolverStorable7 [2023-02-18 10:39:10,453 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 10:39:10,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 10:39:10,454 INFO L85 PathProgramCache]: Analyzing trace with hash -456351959, now seen corresponding path program 2 times [2023-02-18 10:39:10,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 10:39:10,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415408304] [2023-02-18 10:39:10,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:10,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 10:39:10,493 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 10:39:10,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [900818604] [2023-02-18 10:39:10,493 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 10:39:10,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:10,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:39:10,509 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) [2023-02-18 10:39:10,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-18 10:39:10,754 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 10:39:10,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 10:39:10,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 845 conjuncts, 49 conjunts are in the unsatisfiable core [2023-02-18 10:39:10,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 10:39:11,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5225 backedges. 0 proven. 5221 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-18 10:39:11,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 10:39:13,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5225 backedges. 0 proven. 5221 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-18 10:39:13,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 10:39:13,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415408304] [2023-02-18 10:39:13,042 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 10:39:13,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900818604] [2023-02-18 10:39:13,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900818604] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 10:39:13,042 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 10:39:13,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 97 [2023-02-18 10:39:13,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125327644] [2023-02-18 10:39:13,042 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 10:39:13,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2023-02-18 10:39:13,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 10:39:13,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2023-02-18 10:39:13,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4659, Invalid=4847, Unknown=0, NotChecked=0, Total=9506 [2023-02-18 10:39:13,046 INFO L87 Difference]: Start difference. First operand 256 states and 329 transitions. Second operand has 98 states, 98 states have (on average 4.887755102040816) internal successors, (479), 97 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:17,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 10:39:17,644 INFO L93 Difference]: Finished difference Result 2482 states and 3024 transitions. [2023-02-18 10:39:17,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-02-18 10:39:17,645 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 98 states have (on average 4.887755102040816) internal successors, (479), 97 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2023-02-18 10:39:17,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 10:39:17,650 INFO L225 Difference]: With dead ends: 2482 [2023-02-18 10:39:17,651 INFO L226 Difference]: Without dead ends: 2347 [2023-02-18 10:39:17,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4465 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=9265, Invalid=11615, Unknown=0, NotChecked=0, Total=20880 [2023-02-18 10:39:17,655 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 5553 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 532 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5553 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 532 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-02-18 10:39:17,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5553 Valid, 759 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [532 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-02-18 10:39:17,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2347 states. [2023-02-18 10:39:17,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2347 to 496. [2023-02-18 10:39:17,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 495 states have (on average 1.2949494949494949) internal successors, (641), 495 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:17,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 641 transitions. [2023-02-18 10:39:17,674 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 641 transitions. Word has length 247 [2023-02-18 10:39:17,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 10:39:17,674 INFO L495 AbstractCegarLoop]: Abstraction has 496 states and 641 transitions. [2023-02-18 10:39:17,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 4.887755102040816) internal successors, (479), 97 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 641 transitions. [2023-02-18 10:39:17,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2023-02-18 10:39:17,679 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 10:39:17,679 INFO L195 NwaCegarLoop]: trace histogram [94, 94, 94, 94, 47, 47, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 10:39:17,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-18 10:39:17,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:17,886 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 10:39:17,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 10:39:17,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1703865129, now seen corresponding path program 3 times [2023-02-18 10:39:17,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 10:39:17,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836751867] [2023-02-18 10:39:17,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:17,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 10:39:17,942 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 10:39:17,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1724085908] [2023-02-18 10:39:17,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 10:39:17,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:17,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:39:17,957 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) [2023-02-18 10:39:17,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-18 10:39:18,215 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-02-18 10:39:18,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 10:39:18,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 16 conjunts are in the unsatisfiable core [2023-02-18 10:39:18,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 10:39:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 21953 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21949 trivial. 0 not checked. [2023-02-18 10:39:18,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 10:39:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 21953 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21949 trivial. 0 not checked. [2023-02-18 10:39:27,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 10:39:27,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836751867] [2023-02-18 10:39:27,199 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 10:39:27,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724085908] [2023-02-18 10:39:27,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724085908] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 10:39:27,199 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 10:39:27,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-02-18 10:39:27,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870889655] [2023-02-18 10:39:27,199 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 10:39:27,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-18 10:39:27,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 10:39:27,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-18 10:39:27,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-02-18 10:39:27,201 INFO L87 Difference]: Start difference. First operand 496 states and 641 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:27,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 10:39:27,821 INFO L93 Difference]: Finished difference Result 527 states and 680 transitions. [2023-02-18 10:39:27,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-18 10:39:27,821 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 487 [2023-02-18 10:39:27,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 10:39:27,823 INFO L225 Difference]: With dead ends: 527 [2023-02-18 10:39:27,823 INFO L226 Difference]: Without dead ends: 525 [2023-02-18 10:39:27,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 980 GetRequests, 961 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2023-02-18 10:39:27,825 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 182 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-18 10:39:27,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 94 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-18 10:39:27,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2023-02-18 10:39:27,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 520. [2023-02-18 10:39:27,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 519 states have (on average 1.2890173410404624) internal successors, (669), 519 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:27,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 669 transitions. [2023-02-18 10:39:27,847 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 669 transitions. Word has length 487 [2023-02-18 10:39:27,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 10:39:27,847 INFO L495 AbstractCegarLoop]: Abstraction has 520 states and 669 transitions. [2023-02-18 10:39:27,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:27,848 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 669 transitions. [2023-02-18 10:39:27,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2023-02-18 10:39:27,853 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 10:39:27,853 INFO L195 NwaCegarLoop]: trace histogram [94, 94, 94, 94, 47, 47, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 10:39:27,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-18 10:39:28,058 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,SelfDestructingSolverStorable9 [2023-02-18 10:39:28,059 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 10:39:28,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 10:39:28,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1887291253, now seen corresponding path program 4 times [2023-02-18 10:39:28,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 10:39:28,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299385868] [2023-02-18 10:39:28,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:28,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 10:39:28,123 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 10:39:28,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [731939092] [2023-02-18 10:39:28,124 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-18 10:39:28,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:28,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:39:28,125 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) [2023-02-18 10:39:28,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-18 10:39:28,417 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-18 10:39:28,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 10:39:28,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 1342 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-18 10:39:28,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 10:39:28,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-02-18 10:39:28,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2023-02-18 10:39:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 22029 backedges. 831 proven. 4 refuted. 0 times theorem prover too weak. 21194 trivial. 0 not checked. [2023-02-18 10:39:28,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 10:39:28,516 INFO L134 CoverageAnalysis]: Checked inductivity of 22029 backedges. 831 proven. 4 refuted. 0 times theorem prover too weak. 21194 trivial. 0 not checked. [2023-02-18 10:39:28,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 10:39:28,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299385868] [2023-02-18 10:39:28,516 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 10:39:28,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731939092] [2023-02-18 10:39:28,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731939092] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 10:39:28,517 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 10:39:28,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-02-18 10:39:28,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533210361] [2023-02-18 10:39:28,517 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 10:39:28,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-18 10:39:28,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 10:39:28,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-18 10:39:28,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-02-18 10:39:28,519 INFO L87 Difference]: Start difference. First operand 520 states and 669 transitions. Second operand has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:28,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 10:39:28,654 INFO L93 Difference]: Finished difference Result 1108 states and 1415 transitions. [2023-02-18 10:39:28,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-02-18 10:39:28,655 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 511 [2023-02-18 10:39:28,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 10:39:28,657 INFO L225 Difference]: With dead ends: 1108 [2023-02-18 10:39:28,657 INFO L226 Difference]: Without dead ends: 596 [2023-02-18 10:39:28,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1028 GetRequests, 1012 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2023-02-18 10:39:28,660 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 62 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 10:39:28,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 121 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 10:39:28,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2023-02-18 10:39:28,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 520. [2023-02-18 10:39:28,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 519 states have (on average 1.28131021194605) internal successors, (665), 519 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 665 transitions. [2023-02-18 10:39:28,684 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 665 transitions. Word has length 511 [2023-02-18 10:39:28,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 10:39:28,684 INFO L495 AbstractCegarLoop]: Abstraction has 520 states and 665 transitions. [2023-02-18 10:39:28,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:39:28,684 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 665 transitions. [2023-02-18 10:39:28,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2023-02-18 10:39:28,686 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 10:39:28,686 INFO L195 NwaCegarLoop]: trace histogram [94, 94, 94, 90, 47, 47, 6, 6, 6, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 10:39:28,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-18 10:39:28,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-02-18 10:39:28,894 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 10:39:28,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 10:39:28,894 INFO L85 PathProgramCache]: Analyzing trace with hash 593762805, now seen corresponding path program 1 times [2023-02-18 10:39:28,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 10:39:28,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894167587] [2023-02-18 10:39:28,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:28,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 10:39:28,938 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 10:39:28,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1829511162] [2023-02-18 10:39:28,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:39:28,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:39:28,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:39:28,954 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 10:39:28,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-18 10:39:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 10:39:29,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1685 conjuncts, 97 conjunts are in the unsatisfiable core [2023-02-18 10:39:29,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 10:39:31,986 INFO L134 CoverageAnalysis]: Checked inductivity of 22029 backedges. 0 proven. 21949 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-02-18 10:39:31,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 10:39:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 22029 backedges. 0 proven. 21949 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-02-18 10:39:36,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 10:39:36,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894167587] [2023-02-18 10:39:36,665 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 10:39:36,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829511162] [2023-02-18 10:39:36,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829511162] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 10:39:36,665 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 10:39:36,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 97] total 193 [2023-02-18 10:39:36,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420442605] [2023-02-18 10:39:36,666 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 10:39:36,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2023-02-18 10:39:36,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 10:39:36,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2023-02-18 10:39:36,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18531, Invalid=18911, Unknown=0, NotChecked=0, Total=37442 [2023-02-18 10:39:36,675 INFO L87 Difference]: Start difference. First operand 520 states and 665 transitions. Second operand has 194 states, 194 states have (on average 4.943298969072165) internal successors, (959), 193 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:40:17,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 10:40:17,794 INFO L93 Difference]: Finished difference Result 9490 states and 11326 transitions. [2023-02-18 10:40:17,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2023-02-18 10:40:17,794 INFO L78 Accepts]: Start accepts. Automaton has has 194 states, 194 states have (on average 4.943298969072165) internal successors, (959), 193 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 511 [2023-02-18 10:40:17,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 10:40:17,823 INFO L225 Difference]: With dead ends: 9490 [2023-02-18 10:40:17,823 INFO L226 Difference]: Without dead ends: 9211 [2023-02-18 10:40:17,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1115 GetRequests, 828 SyntacticMatches, 0 SemanticMatches, 287 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18145 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=36961, Invalid=46271, Unknown=0, NotChecked=0, Total=83232 [2023-02-18 10:40:17,830 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 9617 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 917 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9617 SdHoareTripleChecker+Valid, 1525 SdHoareTripleChecker+Invalid, 2375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 917 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-02-18 10:40:17,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9617 Valid, 1525 Invalid, 2375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [917 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-02-18 10:40:17,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9211 states. [2023-02-18 10:40:17,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9211 to 1000. [2023-02-18 10:40:17,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 999 states have (on average 1.2902902902902902) internal successors, (1289), 999 states have internal predecessors, (1289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:40:17,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1289 transitions. [2023-02-18 10:40:17,891 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1289 transitions. Word has length 511 [2023-02-18 10:40:17,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 10:40:17,891 INFO L495 AbstractCegarLoop]: Abstraction has 1000 states and 1289 transitions. [2023-02-18 10:40:17,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 194 states have (on average 4.943298969072165) internal successors, (959), 193 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:40:17,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1289 transitions. [2023-02-18 10:40:17,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 992 [2023-02-18 10:40:17,897 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 10:40:17,897 INFO L195 NwaCegarLoop]: trace histogram [190, 190, 190, 186, 95, 95, 6, 6, 6, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 10:40:17,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-02-18 10:40:18,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-02-18 10:40:18,107 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 10:40:18,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 10:40:18,107 INFO L85 PathProgramCache]: Analyzing trace with hash 847622645, now seen corresponding path program 2 times [2023-02-18 10:40:18,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 10:40:18,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747834187] [2023-02-18 10:40:18,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:40:18,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 10:40:18,181 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 10:40:18,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1216899130] [2023-02-18 10:40:18,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 10:40:18,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:40:18,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:40:18,197 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 10:40:18,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-18 10:40:18,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 10:40:18,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 10:40:18,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 3269 conjuncts, 193 conjunts are in the unsatisfiable core [2023-02-18 10:40:18,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 10:40:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 90045 backedges. 0 proven. 89965 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-02-18 10:40:28,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 10:40:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 90045 backedges. 0 proven. 89965 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-02-18 10:40:46,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 10:40:46,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747834187] [2023-02-18 10:40:46,616 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 10:40:46,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216899130] [2023-02-18 10:40:46,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216899130] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 10:40:46,616 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 10:40:46,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [193, 193] total 385 [2023-02-18 10:40:46,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756582151] [2023-02-18 10:40:46,617 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 10:40:46,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 386 states [2023-02-18 10:40:46,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 10:40:46,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 386 interpolants. [2023-02-18 10:40:46,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73923, Invalid=74687, Unknown=0, NotChecked=0, Total=148610 [2023-02-18 10:40:46,642 INFO L87 Difference]: Start difference. First operand 1000 states and 1289 transitions. Second operand has 386 states, 386 states have (on average 4.971502590673575) internal successors, (1919), 385 states have internal predecessors, (1919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:48:01,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 10:48:01,820 INFO L93 Difference]: Finished difference Result 19138 states and 22846 transitions. [2023-02-18 10:48:01,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 385 states. [2023-02-18 10:48:01,821 INFO L78 Accepts]: Start accepts. Automaton has has 386 states, 386 states have (on average 4.971502590673575) internal successors, (1919), 385 states have internal predecessors, (1919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 991 [2023-02-18 10:48:01,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 10:48:01,858 INFO L225 Difference]: With dead ends: 19138 [2023-02-18 10:48:01,858 INFO L226 Difference]: Without dead ends: 18619 [2023-02-18 10:48:01,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2171 GetRequests, 1596 SyntacticMatches, 0 SemanticMatches, 575 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73153 ImplicationChecksByTransitivity, 52.4s TimeCoverageRelationStatistics Valid=147649, Invalid=184703, Unknown=0, NotChecked=0, Total=332352 [2023-02-18 10:48:01,877 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 31494 mSDsluCounter, 3043 mSDsCounter, 0 mSdLazyCounter, 2888 mSolverCounterSat, 2881 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31494 SdHoareTripleChecker+Valid, 3055 SdHoareTripleChecker+Invalid, 5769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2881 IncrementalHoareTripleChecker+Valid, 2888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-02-18 10:48:01,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31494 Valid, 3055 Invalid, 5769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2881 Valid, 2888 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2023-02-18 10:48:01,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18619 states. [2023-02-18 10:48:02,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18619 to 1960. [2023-02-18 10:48:02,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1960 states, 1959 states have (on average 1.295048494129658) internal successors, (2537), 1959 states have internal predecessors, (2537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:48:02,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2537 transitions. [2023-02-18 10:48:02,024 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2537 transitions. Word has length 991 [2023-02-18 10:48:02,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 10:48:02,026 INFO L495 AbstractCegarLoop]: Abstraction has 1960 states and 2537 transitions. [2023-02-18 10:48:02,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 386 states, 386 states have (on average 4.971502590673575) internal successors, (1919), 385 states have internal predecessors, (1919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 10:48:02,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2537 transitions. [2023-02-18 10:48:02,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1952 [2023-02-18 10:48:02,044 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 10:48:02,044 INFO L195 NwaCegarLoop]: trace histogram [382, 382, 382, 378, 191, 191, 6, 6, 6, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 10:48:02,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-02-18 10:48:02,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-02-18 10:48:02,253 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 10:48:02,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 10:48:02,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1597301237, now seen corresponding path program 3 times [2023-02-18 10:48:02,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 10:48:02,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852388007] [2023-02-18 10:48:02,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 10:48:02,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 10:48:02,390 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 10:48:02,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1967181680] [2023-02-18 10:48:02,390 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 10:48:02,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 10:48:02,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 10:48:02,392 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 10:48:02,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-02-18 10:48:02,971 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-18 10:48:02,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 10:48:02,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 16 conjunts are in the unsatisfiable core [2023-02-18 10:48:02,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 10:48:03,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-02-18 10:48:03,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1046 treesize of output 782 [2023-02-18 10:48:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 364317 backedges. 381 proven. 1525 refuted. 0 times theorem prover too weak. 362411 trivial. 0 not checked. [2023-02-18 10:48:03,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 10:48:05,794 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse3 (mod |c_ULTIMATE.start_main_~R~0#1| 4294967296))) (let ((.cse17 (< .cse3 0))) (let ((.cse20 (forall ((|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| Int)) (let ((.cse100 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))) (let ((.cse99 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| 4294967296)) (.cse95 (+ .cse100 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|))) (let ((.cse102 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| 4294967296)) (.cse97 (+ .cse99 .cse95))) (let ((.cse98 (+ .cse102 .cse97))) (let ((.cse96 (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| 4294967296) .cse98))) (let ((.cse101 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296) .cse96))) (or (>= .cse95 4294967296) (> 0 .cse96) (> 0 .cse97) (not (= 0 (mod (mod |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse3) 4294967296))) (>= .cse98 4294967296) (not (<= (mod (mod (+ .cse99 .cse100 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) .cse3) 4294967296) 2147483647)) (>= .cse96 4294967296) (>= .cse97 4294967296) (not (< .cse101 c_~N~0)) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) (> 0 .cse98) (> 0 .cse95) (not (<= (mod (mod (+ .cse99 .cse100 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse102) .cse3) 4294967296) 2147483647)) (< (+ 1 .cse101) c_~N~0) (not (= 0 (mod .cse96 .cse3))) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296)))))))))) (.cse38 (forall ((|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| Int)) (let ((.cse92 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))) (let ((.cse91 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| 4294967296)) (.cse87 (+ .cse92 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|))) (let ((.cse94 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| 4294967296)) (.cse89 (+ .cse91 .cse87))) (let ((.cse90 (+ .cse94 .cse89))) (let ((.cse88 (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| 4294967296) .cse90))) (let ((.cse93 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296) .cse88))) (or (>= .cse87 4294967296) (> 0 .cse88) (not (= 0 (mod .cse87 .cse3))) (> 0 .cse89) (not (= 0 (mod (mod |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse3) 4294967296))) (>= .cse90 4294967296) (not (<= (mod (mod (+ .cse91 .cse92 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) .cse3) 4294967296) 2147483647)) (>= .cse88 4294967296) (>= .cse89 4294967296) (not (< .cse93 c_~N~0)) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) (> 0 .cse90) (> 0 .cse87) (not (<= (mod (mod (+ .cse91 .cse92 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse94) .cse3) 4294967296) 2147483647)) (< (+ 1 .cse93) c_~N~0) (not (= 0 (mod .cse88 .cse3))) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296)))))))))) (.cse18 (forall ((|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| Int)) (let ((.cse84 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))) (let ((.cse83 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| 4294967296)) (.cse79 (+ .cse84 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|))) (let ((.cse86 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| 4294967296)) (.cse81 (+ .cse83 .cse79))) (let ((.cse82 (+ .cse86 .cse81))) (let ((.cse80 (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| 4294967296) .cse82))) (let ((.cse85 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296) .cse80))) (or (>= .cse79 4294967296) (> 0 .cse80) (> 0 .cse81) (not (= 0 (mod (mod |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse3) 4294967296))) (>= .cse82 4294967296) (not (<= (mod (mod (+ .cse83 .cse84 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) .cse3) 4294967296) 2147483647)) (>= .cse80 4294967296) (>= .cse81 4294967296) (not (< .cse85 c_~N~0)) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) (> 0 .cse82) (> 0 .cse79) (not (<= (mod (mod (+ .cse83 .cse84 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse86) .cse3) 4294967296) 2147483647)) (< (+ 1 .cse85) c_~N~0) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296)))))))))) (.cse37 (forall ((|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| Int)) (let ((.cse76 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))) (let ((.cse75 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| 4294967296)) (.cse71 (+ .cse76 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|))) (let ((.cse78 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| 4294967296)) (.cse73 (+ .cse75 .cse71))) (let ((.cse74 (+ .cse78 .cse73))) (let ((.cse72 (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| 4294967296) .cse74))) (let ((.cse77 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296) .cse72))) (or (>= .cse71 4294967296) (> 0 .cse72) (not (= 0 (mod .cse71 .cse3))) (> 0 .cse73) (not (= 0 (mod (mod |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse3) 4294967296))) (>= .cse74 4294967296) (not (<= (mod (mod (+ .cse75 .cse76 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) .cse3) 4294967296) 2147483647)) (>= .cse72 4294967296) (>= .cse73 4294967296) (not (< .cse77 c_~N~0)) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) (> 0 .cse74) (> 0 .cse71) (not (<= (mod (mod (+ .cse75 .cse76 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse78) .cse3) 4294967296) 2147483647)) (< (+ 1 .cse77) c_~N~0) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296)))))))))) (.cse19 (not .cse17))) (and (or (and (forall ((|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| Int)) (let ((.cse6 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))) (let ((.cse5 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| 4294967296)) (.cse0 (+ .cse6 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|))) (let ((.cse8 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| 4294967296)) (.cse2 (+ .cse5 .cse0))) (let ((.cse4 (+ .cse8 .cse2))) (let ((.cse1 (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| 4294967296) .cse4))) (let ((.cse7 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296) .cse1))) (or (>= .cse0 4294967296) (> 0 .cse1) (> 0 .cse2) (not (= 0 (mod (mod .cse0 .cse3) 4294967296))) (>= .cse4 4294967296) (<= (mod (mod (+ .cse5 .cse6 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) .cse3) 4294967296) 2147483647) (>= .cse1 4294967296) (>= .cse2 4294967296) (not (< .cse7 c_~N~0)) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) (> 0 .cse4) (> 0 .cse0) (not (<= (mod (mod (+ .cse5 .cse6 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse8) .cse3) 4294967296) 2147483647)) (< (+ 1 .cse7) c_~N~0) (not (= 0 (mod .cse1 .cse3))) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))))))))) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| Int)) (let ((.cse14 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))) (let ((.cse13 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| 4294967296)) (.cse9 (+ .cse14 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|))) (let ((.cse16 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| 4294967296)) (.cse11 (+ .cse13 .cse9))) (let ((.cse12 (+ .cse16 .cse11))) (let ((.cse10 (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| 4294967296) .cse12))) (let ((.cse15 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296) .cse10))) (or (>= .cse9 4294967296) (> 0 .cse10) (> 0 .cse11) (not (= 0 (mod (mod .cse9 .cse3) 4294967296))) (>= .cse12 4294967296) (<= (mod (mod (+ .cse13 .cse14 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) .cse3) 4294967296) 2147483647) (>= .cse10 4294967296) (>= .cse11 4294967296) (not (< .cse15 c_~N~0)) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) (> 0 .cse12) (> 0 .cse9) (not (<= (mod (mod (+ .cse13 .cse14 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse16) .cse3) 4294967296) 2147483647)) (< (+ 1 .cse15) c_~N~0) (not (= 0 (mod .cse10 .cse3))) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296) (not (= 0 (mod |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse3)))))))))))) .cse17) (or .cse18 .cse17) (or .cse19 .cse20) (or .cse17 .cse20) (or .cse19 (and (forall ((|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| Int)) (let ((.cse26 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))) (let ((.cse25 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| 4294967296)) (.cse21 (+ .cse26 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|))) (let ((.cse27 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| 4294967296)) (.cse23 (+ .cse25 .cse21))) (let ((.cse24 (+ .cse27 .cse23))) (let ((.cse22 (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| 4294967296) .cse24))) (let ((.cse28 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296) .cse22))) (or (>= .cse21 4294967296) (> 0 .cse22) (> 0 .cse23) (not (= 0 (mod (mod .cse21 .cse3) 4294967296))) (>= .cse24 4294967296) (not (<= (mod (mod (+ .cse25 .cse26 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) .cse3) 4294967296) 2147483647)) (<= (mod (mod (+ .cse25 .cse26 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse27) .cse3) 4294967296) 2147483647) (>= .cse22 4294967296) (>= .cse23 4294967296) (not (< .cse28 c_~N~0)) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) (> 0 .cse24) (> 0 .cse21) (< (+ 1 .cse28) c_~N~0) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296) (not (= 0 (mod |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse3))))))))))) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| Int)) (let ((.cse34 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))) (let ((.cse33 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| 4294967296)) (.cse29 (+ .cse34 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|))) (let ((.cse35 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| 4294967296)) (.cse31 (+ .cse33 .cse29))) (let ((.cse32 (+ .cse35 .cse31))) (let ((.cse30 (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| 4294967296) .cse32))) (let ((.cse36 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296) .cse30))) (or (>= .cse29 4294967296) (> 0 .cse30) (> 0 .cse31) (not (= 0 (mod (mod .cse29 .cse3) 4294967296))) (>= .cse32 4294967296) (not (<= (mod (mod (+ .cse33 .cse34 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) .cse3) 4294967296) 2147483647)) (<= (mod (mod (+ .cse33 .cse34 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse35) .cse3) 4294967296) 2147483647) (>= .cse30 4294967296) (>= .cse31 4294967296) (not (< .cse36 c_~N~0)) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) (> 0 .cse32) (> 0 .cse29) (< (+ 1 .cse36) c_~N~0) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))))))))))) (or .cse37 .cse17) (or .cse17 .cse38) (or .cse19 (and (forall ((|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| Int)) (let ((.cse44 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))) (let ((.cse43 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| 4294967296)) (.cse39 (+ .cse44 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|))) (let ((.cse45 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| 4294967296)) (.cse41 (+ .cse43 .cse39))) (let ((.cse42 (+ .cse45 .cse41))) (let ((.cse40 (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| 4294967296) .cse42))) (let ((.cse46 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296) .cse40))) (or (>= .cse39 4294967296) (> 0 .cse40) (> 0 .cse41) (not (= 0 (mod (mod .cse39 .cse3) 4294967296))) (>= .cse42 4294967296) (not (<= (mod (mod (+ .cse43 .cse44 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) .cse3) 4294967296) 2147483647)) (<= (mod (mod (+ .cse43 .cse44 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse45) .cse3) 4294967296) 2147483647) (>= .cse40 4294967296) (>= .cse41 4294967296) (not (< .cse46 c_~N~0)) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) (> 0 .cse42) (> 0 .cse39) (< (+ 1 .cse46) c_~N~0) (not (= 0 (mod .cse40 .cse3))) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))))))))) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| Int)) (let ((.cse52 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))) (let ((.cse51 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| 4294967296)) (.cse47 (+ .cse52 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|))) (let ((.cse53 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| 4294967296)) (.cse49 (+ .cse51 .cse47))) (let ((.cse50 (+ .cse53 .cse49))) (let ((.cse48 (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| 4294967296) .cse50))) (let ((.cse54 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296) .cse48))) (or (>= .cse47 4294967296) (> 0 .cse48) (> 0 .cse49) (not (= 0 (mod (mod .cse47 .cse3) 4294967296))) (>= .cse50 4294967296) (not (<= (mod (mod (+ .cse51 .cse52 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) .cse3) 4294967296) 2147483647)) (<= (mod (mod (+ .cse51 .cse52 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse53) .cse3) 4294967296) 2147483647) (>= .cse48 4294967296) (>= .cse49 4294967296) (not (< .cse54 c_~N~0)) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) (> 0 .cse50) (> 0 .cse47) (< (+ 1 .cse54) c_~N~0) (not (= 0 (mod .cse48 .cse3))) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296) (not (= 0 (mod |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse3))))))))))))) (or .cse19 .cse38) (or .cse18 .cse19) (or .cse37 .cse19) (or (and (forall ((|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| Int)) (let ((.cse60 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))) (let ((.cse59 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| 4294967296)) (.cse55 (+ .cse60 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|))) (let ((.cse62 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| 4294967296)) (.cse57 (+ .cse59 .cse55))) (let ((.cse58 (+ .cse62 .cse57))) (let ((.cse56 (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| 4294967296) .cse58))) (let ((.cse61 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296) .cse56))) (or (>= .cse55 4294967296) (> 0 .cse56) (> 0 .cse57) (not (= 0 (mod (mod .cse55 .cse3) 4294967296))) (>= .cse58 4294967296) (<= (mod (mod (+ .cse59 .cse60 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) .cse3) 4294967296) 2147483647) (>= .cse56 4294967296) (>= .cse57 4294967296) (not (< .cse61 c_~N~0)) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) (> 0 .cse58) (> 0 .cse55) (not (<= (mod (mod (+ .cse59 .cse60 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse62) .cse3) 4294967296) 2147483647)) (< (+ 1 .cse61) c_~N~0) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296) (not (= 0 (mod |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse3))))))))))) (forall ((|aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| Int) (|aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| Int)) (let ((.cse68 (* |aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296))) (let ((.cse67 (* |aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78| 4294967296)) (.cse63 (+ .cse68 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|))) (let ((.cse70 (* |aux_div_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67| 4294967296)) (.cse65 (+ .cse67 .cse63))) (let ((.cse66 (+ .cse70 .cse65))) (let ((.cse64 (+ (* |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_45_56| 4294967296) .cse66))) (let ((.cse69 (+ (* |aux_div_ULTIMATE.start_main_~i~0#1_45| 4294967296) .cse64))) (or (>= .cse63 4294967296) (> 0 .cse64) (> 0 .cse65) (not (= 0 (mod (mod .cse63 .cse3) 4294967296))) (>= .cse66 4294967296) (<= (mod (mod (+ .cse67 .cse68 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) .cse3) 4294967296) 2147483647) (>= .cse64 4294967296) (>= .cse65 4294967296) (not (< .cse69 c_~N~0)) (> 0 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89|) (> 0 .cse66) (> 0 .cse63) (not (<= (mod (mod (+ .cse67 .cse68 |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| .cse70) .cse3) 4294967296) 2147483647)) (< (+ 1 .cse69) c_~N~0) (>= |aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_45_56_67_78_89| 4294967296)))))))))) .cse17))))) is different from true